Area Forecast Matrices
Issued by NWS Buffalo, NY

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13

000
FOUS51 KBUF 121732
AFMBUF

Area Forecast Matrices
National Weather Service Buffalo NY
1232 PM EST Tue Dec 12 2017

NYZ001-122100-
Niagara-
Including the city of Niagara Falls
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      31          17          21          12          21
Temp                   28 22 22 21 19 17 17 18 21 21 17 15 13 12 12 15 20 20 17
Dewpt                  25 18 15 14 13 12 11 13 14 14 13 14 11  9  7  9  9 11 11
RH                     88 84 74 74 77 80 77 80 74 74 84 96 91 87 80 77 62 67 77
Wind dir                W  W  W  W NW NW NW NW  W  W  W NW  N NW NW NW  W  W  W
Wind spd               18 21 20 21 23 23 24 21 17 14  5  6  9 11 16 14 14 13 13
Wind gust              28 36 34 35 35 37 37          21 18 19 24 28 28 25 25 26
Clouds                 OV OV OV OV OV OV OV B2 B2 B1 B2 OV OV B2 B1 B1 B1 B1 SC
PoP 12hr                     80         100          20          60          30
QPF 12hr                   0.04   0.05-0.12           0        0.06        0.03
Snow 12hr                     1           2       00-00
Snow                    L     L  O  L
Snowshwrs              SC SC SC    SC SC IS IS        C  C  L  C  C  C  C  C
Obvis                  BS    BS BS BS
Wind chill             15  7  6  4  2  0 -2  1  6  8  8  5  1 -2 -5  0  7  7  4
Min chill              12     3     1    -3    -3     3    -1    -7    -7     2
Winter Weath            Y  Y  Y  Y  Y  Y  Y  Y


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          14    27      21    31      22    35      26    34
Temp          15 14 26 24   22 21 29 27   23 23 31 30   30 26 29 29
Dewpt         12 13 19 19   18 18 20 21   21 21 27 26   26 23 24 24
PWind dir         W    SW      SW     W      SW     W       W     W
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B2 OV   OV B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         10    70      70    30      20    50      40    30
Flurries                                   C  C
Snowshwrs            L  L    L  L  C  C          C  C    C  C  C  C

$$
NYZ010-122100-
Northern Erie-
Including the city of Buffalo
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      30          15          20          12          20
Temp                   26 20 19 18 17 16 15 16 19 19 15 14 13 12 12 15 19 19 16
Dewpt                  24 17 13 13 12 11 11 12 14 14 12 13 13 11  7  9  9 10 10
RH                     92 88 77 80 80 80 84 84 80 80 88 96100 96 80 77 64 67 77
Wind dir                W  W  W  W NW  W NW  W  W  W NW  N  N NW NW NW  W  W  W
Wind spd               19 20 19 19 18 18 19 19 14 12  3  3  5  8 10 11 13 11  9
Wind gust              35 37 35 35 32 31
Clouds                 OV OV B2 OV OV OV OV B2 B1 SC B2 OV OV OV B1 B1 B1 B1 SC
PoP 12hr                     90         100          30          70          30
QPF 12hr                   0.03   0.05-0.17        0.01        0.08        0.02
Snow 12hr                     1           2           T
Snow                             O  O  L
Snowshwrs              SC SC SC       SC SC IS        C  L  L  C  S  S  C  C
Obvis                           BS BS BS
Wind chill             12  4  4  1  1 -1 -3 -1  5  7     8  3  0 -2  1  6  7  5
Min chill               9     1    -2    -5    -5     0     2    -4    -4     3
Winter Weath            Y  Y  Y  Y  Y  Y  Y  Y


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          13    26      21    31      22    35      26    34
Temp          14 13 25 23   22 21 28 26   23 24 31 30   30 26 30 28
Dewpt         11 13 19 18   18 18 20 21   21 21 27 27   27 24 25 24
PWind dir         W    SW      SW     W      SW    SW       W     W
Wind char        LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B1 B2 OV   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         50    70      70    40      20    60      40    30
Flurries                                   C  C
Snowshwrs         C  L  L    L  L  C  C          L  L    C  C  C  C

$$
NYZ002-122100-
Orleans-
Including the city of Medina
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      31          16          21          11          20
Temp                   30 24 22 21 20 17 16 17 20 21 16 14 13 12 11 14 20 20 17
Dewpt                  27 21 16 16 14 13 11 13 14 14 12 13 11  9  7  9  9 11 11
RH                     88 88 77 81 77 84 80 84 77 74 84 96 91 87 83 80 62 67 77
Wind dir                W  W  W  W NW NW NW  W  W  W  W NW NW NW NW NW  W  W  W
Wind spd               17 21 19 20 23 23 24 23 20 17  8  6  8 11 17 16 14 13 12
Wind gust              27 36 33 34 33 35 37    31 27 23 18 19 24 28 29 25 25 26
Clouds                 OV OV OV OV OV OV OV OV B1 B2 B2 OV OV B2 B2 B2 B1 B1 B1
PoP 12hr                    100         100          20          60          40
QPF 12hr                   0.05        0.10           0        0.06        0.03
Snow 12hr                     1           2       00-00
Snow                    L  L  L  O  O
Snowshwrs                 SC SC       SC IS IS        C  C  L  C  C  C  C  C  C
Obvis                  BS BS BS BS BS
Wind chill             18  8  7  5  3  0 -2  0  4  7  5  4  1 -2 -6 -2  6  6  3
Min chill              15     5     1    -4    -4     2    -1    -7    -7     2
Winter Weath            Y  Y  Y  Y  Y  Y  Y  Y


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          13    26      21    31      21    34      26    33
Temp          14 13 25 24   22 21 28 26   22 23 31 30   30 26 29 27
Dewpt         12 13 18 18   18 18 20 21   20 21 26 27   27 24 24 24
PWind dir         W    SW      SW     W      SW     W      NW     W
Wind char        GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B1 B2 OV   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         20    60      60    40      20    50      40    30
Flurries                                   C  C
Snowshwrs      S     C  L    L  L  C  C          C  C    C  C  C  C

$$
NYZ011-122100-
Genesee-
Including the city of Batavia
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      30          14          19          10          18
Temp                   28 21 19 17 16 15 14 16 18 18 14 12 11 10 10 13 18 18 15
Dewpt                  25 19 14 13 12 12 11 12 13 13 11 12 11 10  7  8  8  9  9
RH                     88 92 80 84 84 88 88 84 80 80 88100100100 87 80 64 67 77
Wind dir                W  W  W  W NW NW  W  W  W  W  W  W NW NW NW NW  W  W  W
Wind spd               16 17 16 17 17 18 20 20 18 14  5  4  4  9 11 13 14 11  9
Wind gust              27 28 26 28 31 31 34 33 28    16                      19
Clouds                 OV B2 B2 OV OV OV OV OV B2 B1 B2 OV OV OV B2 B2 B1 B1 SC
PoP 12hr                    100         100          30          70          30
QPF 12hr                   0.03   0.10-0.16        0.01        0.07        0.02
Snow 12hr                     1           3           T
Snow                             O  O  L
Snowshwrs              SC SC SC       SC SC IS        C  L  L  C  C  C  C  C
Obvis                           BS BS BS
Wind chill             15  6  4  2  1 -1 -4 -2  2  4  6  5  3 -2 -4 -2  3  5  3
Min chill               9     1    -4    -9    -9    -3     1    -6    -6    -2
Winter Weath            Y  Y  Y  Y  Y  Y  Y  Y


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          12    25      19    29      21    34      25    32
Temp          13 12 24 22   20 20 27 25   22 23 30 29   30 26 28 26
Dewpt         10 12 17 17   17 18 20 20   20 20 26 26   27 24 24 23
PWind dir         W    SW      SW     W      SW    SW       W     W
Wind char        GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B1 B2 OV   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         10    60      70    40      20    50      40    30
Flurries                                   C  C
Snowshwrs         C  C  L    L  L  C  C          C  C    C  C  C  C

$$
NYZ085-122100-
Southern Erie-
Including the cities of Orchard Park and Springville
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                27 30 35    11 14 19    17 20 24     9 11 15          19
Temp                   25 20 19 18 16 15 14 16 19 20 16 14 13 12 11 14 19 18 16
Dewpt                  22 16 13 12 11 11 10 11 13 13 13 14 12 11  8  9  8 10 10
RH                     88 84 77 77 80 84 84 80 77 74 88100 96 96 87 80 61 70 77
Wind dir                W  W  W  W  W  W NW  W  W  W NW NE NE  N NW NW  W  W  W
Wind spd               20 21 21 21 21 20 20 19 16 13  3  4  6  9  8 11 13 11 12
Wind gust              36 40 39 37 34 35 33          13                      23
Clouds                 OV OV OV OV OV OV OV B2 B1 B2 OV OV OV OV B2 B2 B2 B2 B1
PoP 12hr                     90         100          40          80          40
QPF 12hr              0.04-0.13   0.05-0.32   0.00-0.09   0.08-0.15        0.04
Snow 12hr                     2         1-8           1
Snow                    O  O  C  D  D  O  L              D  D  D
Snowshwrs                    SC       SC SC IS IS  C  C  L     L  C  C  C  C  C
Obvis                  BS BS    BS BS BS BS
Wind chill             10  4  3  1 -1 -2 -4 -2  4  7 10  7  3 -1 -1  1  5  6  2
Min chill               5    -2    -7    -9    -9    -2    -1    -7    -7    -2
Lk Eff Snow             W  W  W  W  W  W  W  W  W  W


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          12    25      20    30      21    35      26    33
Temp          13 12 24 22   21 20 27 24   22 24 31 30   30 26 30 27
Dewpt         11 12 17 17   18 17 20 20   20 21 26 27   27 24 25 24
PWind dir         W    SW       W     W      SW    SW       W     W
Wind char        GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B2 B2 OV   OV OV B2 B2   B2 B2 B2 B2   OV B2 B2 B2
PoP 12hr         60    70      70    50      20    50      50    30
Flurries                                   C  C
Snowshwrs      C  L  C  L    L  L  C  C          C  C    C  C  C  C

$$
NYZ012-122100-
Wyoming-
Including the city of Warsaw
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      29          12          17           9          17
Temp                   24 19 18 15 14 13 12 13 16 17 13 11 10  9  9 12 16 16 13
Dewpt                  22 16 12 10 10 10  9  9 11 11 10 11 10  9  7  7  6  8  8
RH                     92 88 77 80 84 87 87 84 80 77 87100100100 91 80 64 70 80
Wind dir                W  W  W  W NW NW  W  W  W  W  W NW  N NW NW NW  W  W  W
Wind spd               18 18 17 18 18 19 21 21 19 14  4  3  4  9 10 12 13 11 10
Wind gust              29 31 29 31 33 35 35 35 31    16          23 23       20
Clouds                 OV OV B2 OV OV OV OV B2 B1 SC B2 OV OV OV B2 B2 B2 B1 B1
PoP 12hr                    100         100          30          80          30
QPF 12hr                   0.04   0.07-0.20        0.02        0.09        0.02
Snow 12hr                     1         2-5           T
Snow                    L  O     D  D  O                    D  D
Snowshwrs              SC SC SC          SC IS     S  C  L  L  L  C  C  C  C  C
Obvis                  BS BS    BS BS BS
Wind chill             11  4  2 -1 -3 -5 -7 -5 -1  2  5     2 -4 -5 -3  2  3  1
Min chill               4    -3    -9   -12   -12    -6    -1   -10   -10    -4
Lk Eff Snow             W  W  W  W  W  W  W  W  W  W


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          10    23      18    28      20    33      24    32
Temp          11 10 22 20   19 18 25 23   21 22 29 29   29 25 27 25
Dewpt          9 10 15 15   16 16 19 19   19 20 25 26   26 23 24 23
PWind dir         W    SW      SW     W      SW    SW       W     W
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B2 OV   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         30    60      70    40      20    50      50    40
Flurries                                   C  C
Snowshwrs      C  C  C  L    L  L  C  C          C  C    C  C  C  C

$$
NYZ019-122100-
Chautauqua-
Including the city of Jamestown
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                27 29 34    12 16 21    17 21 25    10 13 17    17 20 23
Temp                   22 18 17 17 16 16 16 18 20 20 17 15 14 14 13 16 19 19 16
Dewpt                  19 15 12 11 11 11 11 13 13 14 14 15 14 13 10 10  9 11 11
RH                     88 88 80 77 80 80 80 80 74 77 88100100 96 87 77 64 70 80
Wind dir                W  W  W  W NW NW NW NW  W  W SW SE NE  N  N NW NW  W  W
Wind spd               19 20 20 20 20 19 19 19 16 12  4  4  4  9 10 12 12 11 11
Wind gust              40 42 42 41 39 35 32          14    16 23 20 23    25 24
Clouds                 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                    100         100          80          80          70
QPF 12hr              0.10-0.15   0.14-0.48   0.01-0.18        0.16   0.04-0.10
Snow 12hr                     3        3-11         0-4
Snow                    O  O  D  D  D  O  D  L        D  D  D  D
Snowshwrs                             SC    SC SC  C           L  L  L  L  L  L
Obvis                  BS BS BS BS BS BS BS BS
Wind chill              7  2  0 -1 -1 -1 -1  1  6  8 10  8  8  1  1  2  7  7  3
Min chill               2    -6    -7    -8    -8    -2     2    -5    -5    -2
Lk Eff Snow             W  W  W  W  W  W  W  W  W  W


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          12    24      19    29      21    35      26    33
Temp          13 12 23 22   20 19 26 23   22 24 32 32   31 26 30 27
Dewpt         11 11 15 16   17 16 19 18   19 21 26 28   27 24 25 23
PWind dir         W    SW       W     W      SW    SW       W     W
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    OV B2 B2 OV   OV OV B2 B2   B2 B2 B2 B2   OV OV B2 B2
PoP 12hr         70    60      70    50      20    50      50    40
Flurries                                   C  C
Snowshwrs      L  L  C  L    L  L  C  C          C  C    C  C  C  C

$$
NYZ020-122100-
Cattaraugus-
Including the city of Olean
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      29    10 13 17    16 19 22          11          18
Temp                   23 19 16 15 14 13 13 14 18 19 15 13 12 11 11 13 18 17 14
Dewpt                  19 14 12 10  9  9  8 10 11 12 12 13 12 11  8  8  7  8  9
RH                     84 80 84 80 80 84 80 84 73 74 88100100100 87 80 61 67 80
Wind dir                W  W  W  W NW NW NW NW  W  W SW  S NE  N NW NW  W  W  W
Wind spd               17 17 17 17 17 17 18 18 14 12  4  3  3  6  8 10 12  9 10
Wind gust              31 33 33 32 33 33 36 34 29 25             18    23 19 23
Clouds                 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV B2
PoP 12hr                    100         100          40          80          60
QPF 12hr              0.03-0.13   0.10-0.36   0.01-0.10   0.11-0.16   0.03-0.09
Snow 12hr                     2         2-9           1
Snow                    O  O  D  D  D  O  L  L        D  D  D  D
Snowshwrs                             SC SC SC SC  C  L           C  C  C  C  L
Obvis                  BS BS BS BS BS BS BS
Wind chill             10  4  0 -1 -2 -4 -5 -2  3  5  8  7     1 -1  1  4  6  1
Min chill               4    -5    -8   -11   -11    -4     0    -8    -8    -4
Lk Eff Snow             W  W  W  W  W  W  W  W  W  W


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max           9    23      17    28      19    34      25    32
Temp          11  9 22 20   18 17 25 22   20 22 31 30   30 25 29 25
Dewpt         10  9 13 15   16 16 18 18   18 19 25 27   27 23 24 22
PWind dir         W    SW      SW     W      SW    SW       W     W
Wind char        LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B2 B2 OV   OV OV B2 B2   B2 B2 B2 B2   OV OV B2 B2
PoP 12hr         60    60      70    50      20    50      50    40
Flurries                                   C  C
Snowshwrs      L  C  C  L    L  L  C  C          C  C    C  C  C  C

$$
NYZ021-122100-
Allegany-
Including the city of Wellsville
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                27 30 33          12          18          11          18
Temp                   25 20 17 15 14 13 12 14 17 18 14 13 12 11 11 13 17 17 13
Dewpt                  21 14 11  8  8  7  6  8  9  9 10 12 12 11  8  6  5  6  7
RH                     84 77 77 73 76 76 76 76 70 67 84 96100100 87 73 58 61 76
Wind dir                W  W  W  W NW NW NW  W  W  W  W SW  N  N NW NW  W  W  W
Wind spd               17 17 16 17 17 18 20 20 18 13  5  5  2  5  9 12 13 11  8
Wind gust              28 29 29 29 33 34 39 37 33 25 16          19
Clouds                 OV OV OV OV OV B2 B1 OV B1 B2 OV OV OV OV B2 B2 B2 B2 B1
PoP 12hr                    100          80          20          80          40
QPF 12hr                   0.03   0.04-0.16           0   0.10-0.15        0.03
Snow 12hr                     1         1-4       00-00
Snow                    O  O  L  O  L                    D  D  D
Snowshwrs              SC    SC SC SC IS IS    IS  S  C  L        C  C  C  C  C
Obvis                  BS BS BS BS BS
Wind chill             12  6  2 -1 -3 -5 -7 -5  1  4  6  4     2 -2 -1  3  4  2
Min chill               5    -5    -9   -11   -11    -4    -1    -8    -8    -2
Winter Weath            Y  Y  Y  Y  Y  Y  Y  Y


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max           9    23      17    28      19    34      25    33
Temp          10  9 22 20   18 17 26 23   20 21 30 30   30 25 29 26
Dewpt          8  8 12 14   14 14 17 17   17 18 24 26   26 23 22 22
PWind dir         W    SW      SW     W      SW    SW       W     W
Wind char        LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B2 B2 OV   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         40    40      60    40      20    50      40    30
Flurries                                   C  C
Snowshwrs      C  C     C    L  L  C  C          C  C    C  C  C  C

$$
NYZ013-122100-
Livingston-
Including the city of Geneseo
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      32     9 13 15    13 18 20          11    15 18 21
Temp                   27 22 20 17 15 14 13 15 18 18 15 13 12 11 11 14 18 17 15
Dewpt                  25 18 13 11 11 10  9 10 11 12 10 12 12 11  8  8  7  8  7
RH                     92 84 74 77 84 84 84 80 73 77 80 96100100 87 76 61 67 70
Wind dir                W  W  W  W NW NW  W  W  W  W  W  W NW NW NW NW  W  W  W
Wind spd               14 14 13 12 13 16 20 20 19 14  4  4  3  8 10 13 12 11  6
Wind gust              26 27 25 25 28 32 36 36 32 27 18          20 25 23 23 19
Clouds                 OV OV B1 OV OV OV B2 B2 B1 SC B2 OV OV OV B2 B2 B2 B1 SC
PoP 12hr                    100         100          30          70          30
QPF 12hr                   0.03   0.05-0.18        0.01        0.08        0.02
Snow 12hr                     T           2           T
Snow                       L     L  D  L                    D  D
Snowshwrs              SC SC IS SC    SC SC IS        C  L  L  L  C  C  C  C
Wind chill             16  9  6  3  0 -2 -5 -3  2  3  7  7  5  0 -2 -1  4  5  5
Min chill               8    -1    -8   -14   -14    -8    -3   -10   -10    -5
Winter Weath            Y  Y  Y  Y  Y  Y  Y  Y


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          11    25      19    30      21    35      26    34
Temp          12 11 24 22   20 19 27 25   22 22 31 30   31 26 29 27
Dewpt          9 10 15 15   15 16 19 19   19 19 25 26   27 24 23 23
PWind dir         W    SW      SW     W      SW    SW       W     W
Wind char        LT    LT      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B1 B2 OV   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         10    40      40    40      20    50      40    30
Flurries                                   C  C
Snowshwrs               C    C  C  C  C          C  C    C  C  C  C

$$
NYZ014-122100-
Ontario-
Including the city of Canandaigua
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      33     8 14 16    13 18 20     8 12 14    14 18 20
Temp                   30 24 21 18 16 15 14 16 18 18 15 14 13 12 12 14 18 18 15
Dewpt                  28 21 14 11 12 12 10 11 12 12 10 11 12 12  9  8  7  8  8
RH                     92 88 74 73 84 88 84 80 77 77 80 88 96100 87 76 61 64 73
Wind dir                W  W  W  W  W NW  W  W  W  W  W  W  W NW NW  W  W  W  W
Wind spd               13 16 16 14 14 16 21 21 21 18  9  8  4  8 11 14 16 13  9
Wind gust                 27 27 26 28 31 36 39 33 28 23          24 25 26    23
Clouds                 OV B2 SC OV OV OV OV OV B2 B1 B2 OV OV OV B2 B2 B2 B1 SC
PoP 12hr                    100         100          40          70          40
QPF 12hr                   0.03   0.07-0.25        0.02        0.07        0.03
Snow 12hr                     T         2-5           T
Snow                    L        D  D  O  L                    D
Snowshwrs              SC SC IS SC    SC SC IS           C  L  L  C  C  C  C
Obvis                                 BS BS
Wind chill             20 11  6  3  1  0 -4 -2  1  2  3  3  5  1 -2 -1  3  4  3
Min chill               7    -3    -9   -15   -15   -10    -5   -11   -11    -6
Winter Weath            Y  Y  Y  Y  Y  Y  Y  Y


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          12    25      19    29      21    35      26    33
Temp          13 12 24 22   20 19 27 25   23 23 31 31   31 27 29 26
Dewpt          9 10 15 15   15 16 19 19   20 20 25 26   27 24 23 22
PWind dir         W    SW      SW     W      SW    SW      SW     W
Wind char        GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B1 B1 B2 OV   OV OV B2 B2   B2 B2 B2 B2   OV B2 B2 B2
PoP 12hr         10    40      40    40      20    50      40    30
Flurries                                   C  C
Snowshwrs               C    C  C  C  C    C  C  C  C    C  C  C  C

$$
NYZ003-122100-
Monroe-
Including the city of Rochester
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      32          16          20          12          20
Temp                   31 24 22 20 19 18 16 17 19 20 16 15 13 12 12 15 19 19 16
Dewpt                  29 22 16 15 15 14 12 13 14 14 12 13 12 11  9  9  9 10 10
RH                     92 92 77 81 84 84 84 84 80 77 84 92 96 96 87 77 64 67 77
Wind dir                W  W  W  W NW NW NW  W  W  W  W  W NW NW NW  W  W  W  W
Wind spd               14 19 18 17 18 20 23 23 21 17  9  8  6 10 13 16 16 13 11
Wind gust              25 36 35 33 32 35 35 33 32 28 24 18 18 23 28 29 31 25 24
Clouds                 OV OV B2 OV OV OV OV OV B2 B2 B2 OV OV OV B2 B2 B1 B1 B1
PoP 12hr                    100         100          30          60          40
QPF 12hr                   0.04   0.09-0.41        0.02        0.06        0.03
Snow 12hr                     1         2-9           T
Snow                    L  L     D  D  L
Snowshwrs              SC SC SC       SC SC IS        C  C  L  C  C  C  C  C  C
Obvis                     BS    BS BS BS
Wind chill             20 10  7  5  4  1 -2  0  3  5  5  3  4 -1 -3 -1  5  6  3
Min chill              18     5     1    -4    -4     1     0    -6    -6     2
Winter Storm            W  W  W  W  W  W  W  W  W  W


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          13    26      20    31      22    35      26    34
Temp          14 13 25 23   21 20 28 26   23 23 31 31   31 27 29 27
Dewpt         11 12 17 17   17 18 20 21   20 21 26 27   27 25 24 24
PWind dir         W    SW      SW     W      SW    SW       W     W
Wind char        GN    GN      GN    GN      LT    LT      GN    GN
Avg clouds    B1 B1 B2 OV   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         10    40      60    40      20    50      40    30
Flurries                                   C  C
Snowshwrs      C        C    L  L  C  C          C  C    C  C  C  C

$$
NYZ004-122100-
Wayne-
Including the city of Newark
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      34          17          21          14          21
Temp                   34 28 23 20 20 19 17 18 20 21 17 16 15 14 14 16 20 20 17
Dewpt                  30 25 19 16 15 16 14 15 14 15 12 13 13 13 10 11  9 12 11
RH                     85 88 84 84 81 88 88 88 77 77 80 88 92 96 84 80 62 71 77
Wind dir                W  W  W  W NW NW NW NW  W  W  W  W  W NW NW NW  W  W  W
Wind spd               14 18 20 18 17 19 24 23 21 19 12 10  6  9 12 14 18 13 11
Wind gust                 33 36 34 31 33 35 34 33 32 29 24 18 19 25 26 31 26 23
Clouds                 OV OV OV OV OV OV OV OV OV B2 B2 OV OV OV B2 B2 B2 B2 B1
PoP 12hr                    100         100          90          60          60
QPF 12hr              0.03-0.10   0.21-0.49   0.04-0.11   0.06-0.15   0.03-0.10
Snow 12hr                     1        5-11           2
Snow                    O  L  L  D  D  D  O  O
Snowshwrs                 SC SC             SC    IS  C  C  L  L  L  L  L  L  C
Obvis                     BS BS BS BS BS BS BS
Wind chill             24 15  8  5  5  4 -1  1  3  6  4  4  5  2  0  1  5  7  4
Min chill              20     6     3    -2    -2     2     1    -3    -3     3
Winter Storm            W  W  W  W  W  W  W  W  W  W


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          13    26      20    31      22    35      27    34
Temp          15 13 25 23   21 20 29 26   25 24 32 31   31 27 30 27
Dewpt         12 12 16 17   17 18 20 21   21 21 26 27   27 25 23 24
PWind dir         W    SW      SW     W      SW    SW       W     W
Wind char        GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B1 B2 OV   OV OV B2 B2   B2 B2 B2 OV   OV B2 B2 B2
PoP 12hr         40    40      60    40      30    50      50    40
Snowshwrs      C        C    L  L  C  C    C  C  C  C    C  C  C  C

$$
NYZ005-122100-
Northern Cayuga-
Including the city of Fair Haven
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      36          17          21          13          20
Temp                   35 29 24 21 19 20 17 18 20 21 17 16 15 14 14 16 20 19 16
Dewpt                  31 26 21 16 15 15 14 15 14 14 12 13 12 13 10 11  8 11 11
RH                     85 88 88 81 84 81 88 88 77 74 80 88 88 96 84 80 59 70 80
Wind dir                W  W  W  W  W NW NW NW  W  W  W  W  W NW NW NW  W  W  W
Wind spd               12 16 18 16 16 18 23 21 19 19 13 10  6  6 10 13 16 12 11
Wind gust                 28 32 31 27 29    32 31 29 29 23       20 29 26 25 23
Clouds                 OV OV OV OV OV OV OV OV OV B2 OV B2 OV OV B2 OV OV OV B2
PoP 12hr                    100         100         100          70          70
QPF 12hr              0.06-0.12   0.26-0.48   0.06-0.12   0.07-0.16        0.09
Snow 12hr                     1        6-11           2
Snow                    O  O  L  D  D  D  O  O        D
Snowshwrs                    SC SC             IS IS  C  L  L  L  L  L  L  L  L
Obvis                     BS BS BS    BS BS BS
Wind chill             27 18 10  6  5  5  0  1  4  6  4  3  5  4  1  2  5  7  3
Min chill              25     9     3    -1    -1     1     0    -3    -4     2
Winter Storm            W  W  W  W  W  W  W  W  W  W


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          13    26      20    30      22    35      26    33
Temp          14 13 25 23   21 20 29 25   25 24 31 31   31 27 29 27
Dewpt         12 12 15 16   16 17 19 20   21 21 25 27   27 24 23 23
PWind dir         W    SW       S     W      SW    SW      SW     W
Wind char        GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B1 B2 OV   OV OV B2 B2   B2 B2 B2 OV   OV B2 B2 B2
PoP 12hr         70    30      60    40      30    50      50    40
Snowshwrs      L  C     C    L  L  C  C    C  C  C  C    C  C  C  C

$$
NYZ006-122100-
Oswego-
Including the city of Oswego
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                30 34 36     9 15 18    12 19 23    -2  8 13    12 19 22
Temp                   34 31 26 21 19 19 16 16 18 19 14 12 10  9  9 12 18 18 14
Dewpt                  30 26 22 18 15 12 11 11 12 12 10  9  8  8  6  8  7  8  8
RH                     85 81 85 88 84 74 80 80 77 74 84 87 91 96 87 84 61 64 76
Wind dir                W  W  W  W NW NW NW NW  W  W  W  W  W NW NW NW  W  W  W
Wind spd                8 12 12 12 12 14 20 19 17 17 12  9  5  5  8 11 13 13 10
Wind gust              19 28 32 31 27 31 31 34 36 34 32 26 18 16 24 29 25 28 29
Clouds                 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 OV B2 B2 B2 B2 B2
PoP 12hr                    100         100         100          70          60
QPF 12hr              0.08-0.20   0.19-0.50   0.06-0.18   0.00-0.15   0.03-0.10
Snow 12hr                     2        4-11         1-5
Snow                    O  O  D  D  D  D  D  O  O     D
Snowshwrs                          SC          SC IS  C  L  C  C  L  L  L  L  C
Obvis                                 BS BS BS
Wind chill             27 21 15  9  6  5 -2 -1  3  4  0  0  0 -1 -4 -2  4  4  1
Min chill              21    10     0    -9   -10   -11   -14   -15   -15    -8
Winter Storm            W  W  W  W  W  W  W  W  W  W


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          10    24      18    29      19    33      23    31
Temp          11 10 23 21   19 18 28 24   22 21 29 29   29 24 27 25
Dewpt          9 10 14 15   14 16 19 19   18 19 23 25   25 22 21 21
PWind dir        NW     S       S     W      SW     S       W     W
Wind char        GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B2 B2 B2 B2   OV OV B2 B2   B2 B2 B2 OV   OV B2 B2 B2
PoP 12hr         70    30      70    40      30    50      60    40
Snowshwrs      L  L  C  C    L  L  C  C    C  C  C  C    L  L  C  C

$$
NYZ007-122100-
Jefferson-
Including the city of Watertown
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                27 33 36     8 12 18    12 15 22    -2  1  9    12 15 22
Temp                   33 28 25 22 18 15 12 12 14 15  8  5  3  1  1  6 14 14  9
Dewpt                  28 23 19 16 13  9  7  6  7  8  5  3  2  0 -1  0  2  3  3
RH                     82 81 78 77 80 77 80 76 73 73 87 91 95 95 91 76 58 61 76
Wind dir                W  W  W NW NW NW NW  W  W  W  W  W  W NW NW  W  W  W  W
Wind spd                6  9  8  8 10 11 14 14 16 14 11  8  4  3  4  8 11 11 10
Wind gust                 20    18 24 25 28 25 27 27 28 23 16 14 16 19 23 26 29
Clouds                 OV OV OV OV OV OV OV OV B2 B1 FW SC SC SC SC SC SC SC FW
PoP 12hr                    100         100          60          10          30
QPF 12hr              0.08-0.18   0.03-0.24   0.00-0.17           0        0.01
Snow 12hr                     2         1-5         0-5
Snow                    O  O  D     O  O  D  L  L
Snowshwrs                    SC IS       SC SC SC                    S  C  C
Obvis                                    BS
Wind chill             27 20 16 13  7  2 -4 -4 -2  0 -7 -8 -7    -9 -7  0  0 -4
Min chill              20    11     0   -10   -10   -12   -14   -14   -15    -9
Winter Storm            W  W  W  W  W  W  W  W  W  W


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max           4    23      16    27      15    30      19    29
Temp           6  4 21 20   17 17 26 23   20 18 27 26   26 20 24 22
Dewpt          4  4 14 14   14 15 18 17   16 15 21 22   22 18 19 19
PWind dir         W     S       S     W      SW     S      SW     W
Wind char        LT    LT      GN    LT      LT    GN      GN    LT
Avg clouds    SC B1 B2 OV   OV OV B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr         50    50      70    30      30    50      60    40
Flurries                                   C  C
Snowshwrs      C  C  C  C    L  L  C  C    C  C  C  C    C  C  C  C

$$
NYZ008-122100-
Lewis-
Including the city of Lowville
1232 PM EST Tue Dec 12 2017

Date             Tue 12/12/17            Wed 12/13/17            Thu 12/14/17
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                28 32 34     6  9 12     9 12 15          -1     9 12 15
Temp                   32 30 24 20 16 13 10 10 11 12  6  3  2  0  0  4 11 11  7
Dewpt                  29 25 20 15 11  7  4  4  6  6  4  2  1  0 -2 -1  1  2  1
RH                     88 81 84 81 80 76 76 76 80 76 91 95 95100 91 79 63 66 76
Wind dir               SW  W  W NW NW NW NW  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd                6  8  9  8  9 10 13 13 14 14 11  8  5  4  5  8 11 11  9
Wind gust                                24 27 31 31 24
Clouds                 OV OV OV OV OV OV OV OV OV OV SC SC B1 B1 SC B1 B1 B1 SC
PoP 12hr                    100         100          90          20          30
QPF 12hr              0.08-0.18   0.09-0.22   0.08-0.20        0.01        0.02
Snow 12hr                     2         2-5         2-5
Snow                    O  O  D  L  O  O  D  O  O
Snowshwrs                    SC SC SC SC    SC SC SC  C     C     C  S  C  C  C
Wind chill             25 23 15 10  4  0 -7 -7 -5 -4-10-11-10 -9-12-10 -3 -3 -7
Min chill              17     9    -2   -13   -13   -14   -15   -16   -16   -12
Winter Storm            W  W  W  W  W  W  W  W  W  W


Date          Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max           2    20      13    25      13    29      18    28
Temp           3  2 19 16   14 13 24 20   17 17 26 24   25 20 23 20
Dewpt          2  2 11 11   12 12 16 16   14 14 20 21   21 18 19 18
PWind dir         W    SW       S     W      SW     S      SW     W
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1 B2 B2   OV OV B2 B2   B2 B2 B2 OV   OV B2 B2 B2
PoP 12hr         40    40      70    40      30    50      60    40
Snowshwrs      C  C  C  C    L  L  C  C    C  C  C  C    L  L  C  C

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.