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Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
1234 AM EST Fri Dec 15 2017

VAZ054-152100-
Reagan National Airport-Arlington VA
38.86N  77.03W Elev. 66 ft
1234 AM EST Fri Dec 15 2017

Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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          28          45          31          48
Temp          30 28 32 35 35 32 31 30 29 31 38 43 43 38 36 35 34 34 41 46 47 44
Dewpt         15 17 17 19 23 22 21 20 20 20 21 23 25 26 27 27 26 27 30 31 32 34
RH            53 63 53 52 61 66 66 66 69 63 50 45 49 62 69 72 72 75 65 55 56 68
Wind dir      NE  E  E  S SW  W  W  W  W SW SW  W  W SW  W NW SW  E  S  S  S  S
Wind spd       3  5  5  5  8  8  8 10  9  9 12 14 10  8  4  3  4  4  5  4  5  4
Clouds        B1 B2 OV OV B2 SC FW FW SC SC B1 SC SC FW FW FW FW SC SC B1 B2 B2
PoP 12hr                     50           5           5           0          20
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                     T       00-00       00-00
Rain                                                                    S  S  C
Snow                 S  C


Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          39    55      42    57      38    49      33    49
Temp          42 42 53 49   46 44 55 48   44 40 48 41   38 36 47 44
Dewpt         37 36 40 41   42 39 41 40   35 29 25 26   26 27 29 33
PWind dir        SW     W      SW    SW       W    NW      NW    SW
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B1 B1 B1   B1 B1 B1 B1   SC FW FW FW   FW SC SC SC
PoP 12hr         40    20      20    30      10     5      10    10
Rain           C  S
Rain shwrs           S  S    S  S  C  C

$$
MDZ013-152100-
Baltimore/Washington Airport-Anne Arundel MD
39.19N  76.67W Elev. 154 ft
1234 AM EST Fri Dec 15 2017

Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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          26          43          29          46
Temp          25 23 28 33 33 29 28 28 27 29 36 41 41 36 34 33 32 32 39 44 44 41
Dewpt         13 14 15 17 20 21 20 19 19 19 20 21 23 24 25 25 25 25 28 29 30 32
RH            60 68 58 51 58 72 71 68 71 66 52 44 48 61 69 72 75 75 64 55 57 70
Wind dir      NE  E  E SE  W  W  W  W  W  W  W  W  W  W  W  N  N  E  S  S  S  S
Wind spd       3  3  3  4  4  4  6  8  8  8 10 11 10  4  3  1  3  2  3  3  4  2
Clouds        B1 OV OV OV B2 SC FW FW SC SC B1 B1 SC FW FW FW FW SC SC B1 B2 B2
PoP 12hr                     60           5           5           0          20
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                     T       00-00       00-00
Rain                                                                    S  S  C
Snow                 S  L  S


Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          36    53      39    55      36    46      31    47
Temp          39 39 51 46   43 42 53 46   42 38 45 39   35 34 45 43
Dewpt         35 34 38 39   39 37 39 38   33 27 24 25   24 24 27 31
PWind dir         S    SW      SW    SW       W    NW      NW    SW
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B2 B1 B1   B1 B1 B1 B1   SC SC FW FW   FW SC SC SC
PoP 12hr         40    20      20    30      20     5      10    10
Rain           C  S
Rain shwrs           S  S    S  S  C  C    S  S

$$
MDZ011-152100-
Baltimore Inner Harbor-Baltimore City MD
39.28N  76.61W Elev. 20 ft
1234 AM EST Fri Dec 15 2017

Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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          27          43          31          46
Temp          30 28 30 32 32 30 29 28 28 30 36 41 41 37 36 34 34 33 39 44 45 42
Dewpt         13 14 14 17 20 20 20 19 18 18 20 22 23 25 26 26 25 25 27 28 30 32
RH            49 55 51 53 61 66 69 68 66 60 52 46 48 61 67 72 69 72 62 53 55 67
Wind dir      NE  E  E  S SW  W  W  W  W  W  W  W  W  W NW  N NW  E  S  S  S  S
Wind spd       2  2  3  3  4  4  6  8  8  8 10 11 10  4  3  1  3  2  3  2  3  2
Clouds        B1 OV OV OV B2 SC FW FW SC SC B1 B1 SC FW SC FW FW SC SC B1 B2 B2
PoP 12hr                     60           5           5           0          10
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                     T       00-00       00-00
Rain                                                                          C
Snow                 S  L  S


Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          37    52      41    55      37    46      32    46
Temp          40 39 50 47   44 43 53 46   42 38 45 39   36 34 44 42
Dewpt         36 35 38 39   39 37 38 39   33 28 25 25   24 24 27 31
PWind dir         S     W      SW    SW       W    NW      NW    SW
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B2 B1 B1   B1 B1 B1 B1   SC SC FW FW   FW SC SC SC
PoP 12hr         40    20      20    30      20     5      10    10
Rain           C  S
Rain shwrs           S  S    S  S  C  C    S  S

$$
WVZ052-152100-
Martinsburg Airport-Berkeley WV
39.41N  77.98W Elev. 558 ft
1234 AM EST Fri Dec 15 2017

Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      35          24          44          26          46
Temp          23 22 28 33 33 29 27 27 26 27 35 42 41 35 33 31 30 29 37 44 44 40
Dewpt         13 14 14 15 18 18 18 17 16 17 21 23 24 24 24 23 23 22 26 29 31 31
RH            65 71 55 47 53 63 68 65 65 65 56 46 50 64 69 72 75 75 64 55 60 70
Wind dir       S  S  S  S SW  W  W  W  W  W  W  W  W  W  W SW SW  S  S  S  S  S
Wind spd       2  3  4  5  4  6  8  9  8  8  9 11  9  4  2  1  2  1  3  4  4  2
Clouds        B2 OV OV OV B2 SC SC SC SC SC B1 SC SC FW FW FW FW SC SC B2 B2 OV
PoP 12hr                     30           5           5           0          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    C  C  C
Snow                    C


Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          33    52      36    53      33    45      27    47
Temp          37 37 50 44   41 39 51 43   39 35 44 36   32 30 45 41
Dewpt         32 31 39 37   35 34 39 35   30 25 22 23   22 21 27 29
PWind dir        SW    SW      SW    SW       W    NW      NW    SW
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B2 B2 B1   B1 B1 B1 B1   SC FW FW FW   FW SC SC SC
PoP 12hr         40    30      20    30      20    10      10    10
Rain           C  S
Rain shwrs           C  C    S  S  C  C    S  S
Snowshwrs                                  S  S

$$
VAZ506-152100-
Washington Dulles Airport-Loudoun VA
38.96N  77.45W Elev. 321 ft
1234 AM EST Fri Dec 15 2017

Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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          25          45          28          48
Temp          22 20 26 31 32 29 28 27 27 28 36 43 42 37 34 33 32 31 39 46 46 42
Dewpt         13 15 15 17 18 19 18 18 17 18 19 22 24 24 25 25 23 25 28 29 31 32
RH            68 81 62 56 56 66 66 68 65 66 50 43 48 59 69 72 69 78 64 51 55 67
Wind dir       E SE SE  S SW  W  W  W  W SW SW  W  W SW  W SW SW SE  S  S  S  S
Wind spd       2  2  3  5  5  5  5  6  6  6  8 10  9  4  3  1  2  2  3  3  4  2
Clouds        B1 B2 OV OV B1 SC FW FW SC SC B1 SC SC FW FW FW FW SC SC B1 B2 B2
PoP 12hr                     40           5           5           0          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    S  S  C
Snow                 S  C


Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          35    54      39    56      35    47      30    48
Temp          39 38 52 47   43 42 54 46   41 37 46 39   35 33 46 43
Dewpt         35 34 39 39   40 37 39 38   33 26 24 24   24 24 28 31
PWind dir        SW    SW      SW    SW       W    NW      NW    SW
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B1 B1 B1   B1 B1 B1 B1   SC FW FW FW   FW SC SC SC
PoP 12hr         40    20      20    30      20     5      10    10
Rain           C  S
Rain shwrs           S  S    S  S  C  C    S  S

$$
VAZ037-152100-
Charlottesville Airport-Albemarle VA
38.14N  78.45W Elev. 640 ft
1234 AM EST Fri Dec 15 2017

Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      41          25          48          28          50
Temp          27 25 33 39 38 31 29 28 27 29 38 45 45 38 36 34 32 32 40 48 48 43
Dewpt         16 17 18 18 20 19 18 18 18 18 21 23 24 24 23 25 22 23 27 29 30 32
RH            63 71 53 42 48 61 63 66 68 63 50 41 43 57 59 69 66 69 59 47 49 65
Wind dir      NE NE  E  S SW  W SW SW SW SW SW  W SW SW SW SW  W NW SW  S  S SW
Wind spd       3  2  2  4  6  5  6  5  5  5  6  9  6  5  3  1  2  2  2  4  4  3
Clouds        B2 B2 OV OV SC FW FW FW SC FW FW FW FW CL FW FW FW SC B1 B2 B2 B2
PoP 12hr                     10           5           5           0          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    C  C  C


Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          35    57      39    58      34    50      29    51
Temp          39 39 55 48   44 42 56 46   41 37 48 40   35 33 49 43
Dewpt         33 33 42 42   41 37 41 38   33 26 23 24   24 23 28 31
PWind dir        SW    SW      SW     W       W     W       W     S
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B2 B1 B1 B1   B1 B1 B1 B1   SC FW FW FW   FW SC SC SC
PoP 12hr         40    30      20    30      20     5      10    10
Rain           C  S
Rain shwrs           C  C    S  S  C  C    S  S

$$
MDZ003-152100-
Hagerstown Airport-Washington MD
39.71N  77.73W Elev. 705 ft
1234 AM EST Fri Dec 15 2017

Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      35          25          42          27          44
Temp          22 21 28 33 33 28 27 27 26 28 35 40 40 35 33 31 30 30 37 42 42 39
Dewpt         12 13 14 15 17 18 17 17 16 17 20 22 23 24 25 23 23 23 25 28 31 30
RH            65 71 55 47 51 66 65 65 65 63 54 48 50 64 72 72 75 75 61 57 65 70
Wind dir      SE  S  S  S SW  W  W  W  W  W  W  W  W  W  W SW  S SE  S  S  S  S
Wind spd       2  3  5  8  5  6  8 10  9  9 10 11 10  4  3  1  3  2  3  3  4  3
Clouds        B2 OV OV OV B2 SC SC SC SC SC B1 B1 B1 SC SC FW FW SC SC B2 B2 OV
PoP 12hr                     40           5           5           0          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    C  C  C
Snow                    C


Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          34    49      37    51      33    43      28    45
Temp          37 36 47 43   40 39 49 42   38 35 42 36   32 31 43 40
Dewpt         32 32 38 37   36 34 38 34   29 25 22 22   21 21 25 28
PWind dir        SW    SW      SW    SW       W    NW       W    SW
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B2 B2 B1   B1 B1 B1 B1   SC SC FW SC   SC SC B1 SC
PoP 12hr         40    30      20    30      20    10      10    10
Rain           C  S
Rain shwrs           C  C    S  S  C  C    S  S
Snow              S
Snowshwrs                                  S  S

$$
MDZ017-152100-
Patuxent River NAS MD
38.29N  76.41W Elev. 39 ft
1234 AM EST Fri Dec 15 2017

Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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          29          45          32          48
Temp          28 25 30 35 35 33 32 31 30 32 38 43 43 39 37 36 35 35 41 46 47 44
Dewpt         18 18 20 23 25 26 26 24 23 22 21 23 25 27 29 29 29 29 31 33 35 36
RH            66 74 66 61 66 75 78 75 75 66 50 45 49 62 72 75 78 78 67 60 63 73
Wind dir      NE NE  E NE NW  W  W  W  W  W  W  W  W SW  W  W  W  E  S  S  S  S
Wind spd       8  5  5  4  6  5 10 10  9  9 11 11 11  6  6  3  4  2  5  4  6  5
Clouds        B1 B2 OV OV B2 SC FW FW SC SC SC SC SC FW FW FW FW SC SC B1 B2 B2
PoP 12hr                     60           5           5           0          10
QPF 12hr                   0.06           0           0           0           0
Snow 12hr                     1       00-00       00-00
Rain                                                                          C
Snow                 S  L  C


Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          39    54      42    56      39    49      34    48
Temp          42 41 52 48   45 44 54 48   44 41 48 42   38 36 46 44
Dewpt         38 38 41 42   43 42 44 43   38 32 28 28   28 28 30 34
PWind dir        SW    SW      SW    SW       W    NW       N    SW
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B1 B1 B1   B1 B1 B1 B1   SC SC FW FW   FW SC SC SC
PoP 12hr         50    30      20    30      10     5      10    10
Rain           C  S
Rain shwrs           C  C    S  S  C  C

$$
WVZ502-152100-
Petersburg WV
38.99N  79.15W Elev. 963 ft
1234 AM EST Fri Dec 15 2017

Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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          27          44          30          50
Temp          24 23 29 34 35 32 30 30 29 30 37 42 42 37 35 34 33 33 41 48 48 44
Dewpt         17 16 18 21 18 18 18 18 18 19 22 24 24 24 24 24 23 23 27 30 30 31
RH            74 74 63 58 49 56 60 60 63 63 54 48 48 59 64 66 66 66 57 49 49 60
Wind dir      SE SE  S  W  W  W  W  W  W  W  W  W  W SW SW SW SW SW SW  S SW SW
Wind spd       2  2  3  6  9  8 10  9  8  8  9  9  8  3  3  2  3  2  3  3  3  2
Clouds        B2 B2 OV OV SC SC SC SC SC SC SC SC SC FW FW FW FW B1 B1 B2 OV OV
PoP 12hr                     40          10           5           0          40
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    C  C  C
Snow                    C


Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          38    54      42    54      35    44      30    51
Temp          41 41 52 48   45 44 53 45   41 36 43 37   34 33 49 44
Dewpt         34 36 41 40   39 37 40 35   29 24 23 23   22 22 28 30
PWind dir        SW    SW      SW     W       W     W      SW     S
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B2 B2 B2   B1 B1 B1 B1   SC SC SC SC   SC SC SC SC
PoP 12hr         50    40      30    30      30    10      10    10
Rain           C  S
Rain shwrs           C  C    C  C  C  C    C  C
Snowshwrs                                  C  C

$$
MDZ014-152100-
Annapolis MD
38.99N  76.49W Elev. 7 ft
1234 AM EST Fri Dec 15 2017

Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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          28          44          31          46
Temp          28 26 31 35 35 31 30 30 29 31 37 42 42 38 36 35 34 33 39 44 45 42
Dewpt         14 15 17 19 23 23 22 21 20 20 20 22 24 25 27 27 27 27 30 31 32 35
RH            55 62 56 52 61 72 72 69 69 63 50 44 48 59 69 72 75 78 70 60 60 76
Wind dir      NE  E  E SE NW  W  W  W  W  W  W  W  W  W  W  N SE  E  S  S  S  S
Wind spd       4  3  4  4  4  4  6  8  8  8 10 12 11  6  5  2  4  2  4  3  5  3
Clouds        B1 B2 OV OV B2 SC FW FW SC SC SC SC SC FW FW FW FW SC SC B1 B2 B2
PoP 12hr                     60           5           5           0          10
QPF 12hr                   0.05           0           0           0           0
Snow 12hr                     1       00-00       00-00
Rain                                                                          C
Snow                 S  L  C


Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          38    52      41    55      38    47      33    47
Temp          40 40 50 47   44 43 53 47   43 39 46 40   37 35 45 43
Dewpt         37 36 39 41   42 39 41 40   35 29 26 26   26 26 29 33
PWind dir        SW    SW      SW    SW       W    NW      NW    SW
Wind char        LT    LT      LT    LT      GN    BZ      LT    LT
Avg clouds    B2 B1 B1 B1   B1 B1 B1 B1   SC SC FW FW   FW SC SC SC
PoP 12hr         40    20      20    30      10     5      10    10
Rain           C  S
Rain shwrs           S  S    S  S  C  C

$$



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