Point Forecast Matrices
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Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
933 AM EST Tue Nov 21 2017

VAZ054-212100-
Reagan National Airport-Arlington VA
38.86N  77.03W Elev. 66 ft
933 AM EST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      60          46          52          32          46
Temp                48 59 58 53 51 50 49 47 50 50 49 42 39 37 36 34 41 45 44 39
Dewpt               32 34 38 42 45 46 45 42 38 32 29 29 28 27 26 25 26 25 27 28
RH                  54 39 47 66 80 86 86 83 63 50 46 60 64 67 67 69 55 45 51 64
Wind dir            SW SW SW  S  S SW  W NW NW NW NW  N  N  N NW NW NW  W SW  S
Wind spd            11 13 12 10  9  9  5  6 14 14 12  9  6  4  4  3  2  4  4  3
Clouds              SC SC SC SC B2 B2 B2 SC FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                      5          30           5           0           0
QPF 12hr                      0        0.05           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C


Date          Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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          32    53      38    55      38    46      31    42
Temp          36 35 52 46   42 40 54 47   42 39 45 39   35 33 41 37
Dewpt         29 28 30 33   34 35 40 41   37 33 27 26   24 22 21 23
PWind dir        SW    SW       S    SW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW FW CL   FW FW B1 B1   SC SC SC SC   SC FW FW FW
PoP 12hr          0     0       5    20      20    20       5     5
Rain shwrs                         S  S    S     S  S

$$
MDZ013-212100-
Baltimore/Washington Airport-Anne Arundel MD
39.19N  76.67W Elev. 154 ft
933 AM EST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      60          45          51          29          45
Temp                49 59 57 53 50 49 48 46 49 49 47 40 36 35 33 31 39 44 43 39
Dewpt               30 33 37 40 44 45 44 40 37 32 29 28 27 24 24 23 25 24 25 26
RH                  48 37 47 61 80 86 86 79 63 52 49 62 69 64 69 72 57 45 49 59
Wind dir            SW  S SW SW SW SW  W NW NW NW NW  N  N  N NW NW NW  W  W SW
Wind spd            11 13 13 11 10  9  6  9 16 16 13 11  9  6  5  4  3  4  5  5
Clouds              SC SC SC SC B1 B2 B2 SC FW FW FW FW CL FW FW FW FW FW FW FW
PoP 12hr                      5          40           5           0           0
QPF 12hr                      0        0.07           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C


Date          Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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          32    51      37    54      37    45      29    41
Temp          35 34 50 44   41 39 53 46   41 38 44 37   33 31 40 36
Dewpt         28 27 29 31   33 34 39 40   36 31 26 24   22 20 20 23
PWind dir         W     W       S    SW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW FW CL   FW FW B1 B1   SC SC SC SC   SC FW FW FW
PoP 12hr          0     0       5    20      20    20       5     5
Rain shwrs                         S  S    S     S  S

$$
MDZ011-212100-
Baltimore Inner Harbor-Baltimore City MD
39.28N  76.61W Elev. 20 ft
933 AM EST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      59          45          51          31          44
Temp                49 58 57 52 50 49 48 46 49 49 48 41 38 36 35 33 39 43 42 39
Dewpt               30 32 36 40 44 45 44 40 36 31 28 27 27 25 25 24 25 24 26 26
RH                  48 37 45 63 80 86 86 79 61 50 46 57 64 64 66 69 57 47 53 59
Wind dir            SW  S SW  S  S SW  W NW NW NW NW  N  N  N NW NW NW  W  W SW
Wind spd            12 13 12 10 10  9  5  9 16 16 13 11  9  6  5  4  3  4  4  5
Clouds              SC SC SC SC B1 B2 B2 SC FW FW FW FW CL FW CL FW FW FW FW FW
PoP 12hr                      5          40           5           0           0
QPF 12hr                      0        0.06           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C


Date          Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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    51      39    54      38    45      30    41
Temp          36 36 50 45   42 41 53 46   42 39 44 38   34 32 40 36
Dewpt         28 27 28 31   34 34 39 41   37 32 26 25   23 21 20 23
PWind dir         W     W       S    SW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC FW FW CL   FW FW B1 B1   SC SC SC SC   SC FW FW FW
PoP 12hr          0     0       5    20      20    20       5     5
Rain shwrs                         S  S    S     S  S

$$
WVZ052-212100-
Martinsburg Airport-Berkeley WV
39.41N  77.98W Elev. 558 ft
933 AM EST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      58          40          46          26          44
Temp                45 56 55 49 46 45 43 41 44 44 43 36 33 31 30 29 37 43 41 36
Dewpt               27 32 35 38 40 40 39 35 32 28 26 26 26 23 23 21 25 24 26 25
RH                  49 40 47 66 79 82 86 79 62 53 51 67 75 72 75 72 61 47 55 64
Wind dir             S  S  S  S  S SW  W NW NW NW NW NW NW  W  W NW  W SW  S  S
Wind spd             8 11 10  9  8  5  4 10 16 16 12  8  5  4  3  2  2  4  3  3
Clouds              SC SC SC FW B1 B1 B1 SC FW FW CL FW CL FW CL FW FW SC FW FW
PoP 12hr                      5          10           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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          28    51      33    55      34    41      27    40
Temp          32 31 50 42   38 36 53 45   39 35 40 34   31 29 39 34
Dewpt         25 23 28 30   29 29 40 37   33 28 24 24   22 19 21 22
PWind dir         W    SW       S    SW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC FW FW CL   FW SC B1 B1   B1 B1 B1 SC   SC FW FW FW
PoP 12hr          0     0       5    30      20    20      10     5
Rain shwrs                         C  C    S  S  S  S
Snowshwrs                                     S  S  S

$$
VAZ506-212100-
Washington Dulles Airport-Loudoun VA
38.96N  77.45W Elev. 321 ft
933 AM EST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      58          44          49          28          45
Temp                46 57 56 51 49 48 47 45 47 47 46 39 35 33 32 30 39 44 43 38
Dewpt               31 33 37 41 43 44 43 39 36 31 28 27 27 26 25 24 25 25 26 27
RH                  55 40 49 68 80 86 86 79 65 53 49 62 72 75 75 78 57 47 51 64
Wind dir             S  S  S  S  S SW  W NW NW NW NW NW  N NW NW NW NW SW SW  S
Wind spd            11 14 12 11 11  9  5  9 17 16 12 10  8  4  3  2  2  3  3  4
Clouds              SC SC SC SC B1 B1 B1 SC FW FW FW FW CL FW FW FW FW FW FW FW
PoP 12hr                      5          20           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  S


Date          Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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          30    51      35    55      36    44      29    41
Temp          34 33 50 43   39 38 53 46   41 37 43 37   33 31 40 35
Dewpt         27 26 29 31   32 33 40 39   36 31 25 23   23 20 21 23
PWind dir        SW    SW       S    SW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW FW CL   FW SC B1 B1   SC SC SC SC   SC FW FW FW
PoP 12hr          0     0       5    20      20    20      10     5
Rain shwrs                         S  S    S     S  S

$$
VAZ037-212100-
Charlottesville Airport-Albemarle VA
38.14N  78.45W Elev. 640 ft
933 AM EST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      59          41          53          27          47
Temp                46 57 56 50 47 46 44 43 48 51 49 40 36 34 32 30 39 46 44 38
Dewpt               31 35 40 43 44 43 42 38 38 32 28 28 27 26 25 24 27 26 27 27
RH                  55 43 55 77 89 89 93 82 68 48 44 62 69 72 75 78 62 45 51 64
Wind dir            SW SW  S  S SW SW  W NW NW  N  N  N  N NW NW  W  S  S  S  S
Wind spd             8 11 10  6  5  4  4  5 11 10  6  5  3  2  2  2  3  4  4  3
Clouds              SC SC SC SC B2 B1 SC SC CL FW FW FW CL FW FW FW FW FW FW FW
PoP 12hr                      5          10           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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          29    54      35    57      34    45      27    44
Temp          34 33 52 45   40 38 55 46   40 36 44 36   32 29 43 36
Dewpt         26 24 29 31   31 31 41 39   34 29 25 24   22 19 21 23
PWind dir         W    SW      SW    SW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW CL CL   FW FW B1 SC   SC SC SC SC   FW FW FW FW
PoP 12hr          0     0       5    10      10    10       5     5

$$
MDZ003-212100-
Hagerstown Airport-Washington MD
39.71N  77.73W Elev. 705 ft
933 AM EST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      58          39          46          26          43
Temp                45 56 55 49 45 44 42 40 43 44 43 36 33 31 30 28 37 42 41 36
Dewpt               28 32 34 36 39 40 38 35 32 28 26 25 25 23 23 22 24 24 25 24
RH                  51 40 45 61 79 86 86 82 65 53 51 64 72 72 75 78 59 48 52 61
Wind dir             S  S  S  S  S SW  W NW NW NW NW NW NW NW NW NW  W SW SW  S
Wind spd             8 11 10 10  9  6  5 11 17 17 12  9  5  3  3  2  3  5  4  4
Clouds              SC SC SC FW B1 B1 B1 SC FW FW FW FW FW FW FW FW FW SC FW FW
PoP 12hr                      5          10           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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          29    49      34    53      34    40      27    38
Temp          33 32 48 42   38 37 51 44   39 35 39 34   30 29 37 33
Dewpt         24 24 27 29   29 29 38 36   32 29 24 22   21 19 20 21
PWind dir         W    SW       S    SW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC FW FW CL   FW SC B1 B1   B1 B1 B1 B1   SC FW FW SC
PoP 12hr          0     0       5    30      20    30      10     5
Rain shwrs                         C  C    S  S  C  C
Snowshwrs                                     S  C  C

$$
MDZ017-212100-
Patuxent River NAS MD
38.29N  76.41W Elev. 39 ft
933 AM EST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      61          50          55          33          44
Temp                52 60 59 56 54 53 52 51 53 53 51 44 40 39 37 35 40 43 43 40
Dewpt               34 35 40 45 48 50 50 47 43 38 33 32 30 28 28 27 27 27 27 28
RH                  50 39 49 66 80 89 93 86 69 57 50 62 67 64 70 72 59 53 53 62
Wind dir            SW  S  S  S  S  S SW NW NW  N  N  N  N  N  N  N  N NW  S SW
Wind spd            16 16 16 14 12 10  8 11 19 19 17 16 14 12 11  9  5  4  3  5
Clouds              FW SC B1 B1 B2 OV OV B1 FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                      5          60          10           0           0
QPF 12hr                      0        0.18           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                         S
Rain shwrs                       C  L  C


Date          Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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    51      40    56      40    47      32    42
Temp          37 37 50 46   43 42 55 48   44 41 46 40   36 33 41 38
Dewpt         30 30 31 34   37 37 42 43   39 35 31 28   26 24 24 26
PWind dir         W     W       S    SW       W    NW      NW    NW
Wind char        LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    FW FW CL CL   FW FW SC B1   SC SC SC SC   SC FW FW FW
PoP 12hr          0     0       5    10      20    10       5     5
Rain shwrs                                 S

$$
WVZ502-212100-
Petersburg WV
38.99N  79.15W Elev. 963 ft
933 AM EST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      60          39          43          25          45
Temp                40 58 56 50 46 44 43 40 41 42 40 34 31 30 28 28 37 44 42 37
Dewpt               26 31 36 38 40 41 37 35 31 26 25 25 24 23 22 21 25 23 24 23
RH                  57 36 47 63 79 89 79 82 67 53 55 69 75 75 78 75 61 43 48 56
Wind dir            SW SW SW SW SW SW  W NW NW NW NW NW NW  W  W  W  S SW NW  W
Wind spd             5  9  8  6  5  4  6  9 11 10  8  4  2  2  2  1  2  2  1  3
Clouds              FW SC SC SC B1 B1 B1 SC FW FW FW FW FW FW FW FW FW SC SC FW
PoP 12hr                      5          30          10           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  S  S
Snowshwrs                              S


Date          Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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          29    53      37    53      34    38      27    39
Temp          33 32 52 45   41 39 51 44   39 35 37 33   30 29 38 33
Dewpt         22 21 31 30   29 32 40 36   33 27 24 23   21 20 21 22
PWind dir         W    SW       S     W       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW FW CL   FW SC B1 B1   B1 B1 B1 B1   SC SC SC FW
PoP 12hr          0     0      10    30      30    30      20    10
Rain shwrs                         C  C    C  S  C  C
Snowshwrs                                     S  C  C    S  S

$$
MDZ014-212100-
Annapolis MD
38.99N  76.49W Elev. 7 ft
933 AM EST Tue Nov 21 2017

Date             Tue 11/21/17            Wed 11/22/17            Thu 11/23/17
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                      60          47          52          32          44
Temp                52 59 58 54 51 50 49 48 50 50 49 42 39 37 36 34 39 43 42 39
Dewpt               33 35 38 43 46 47 46 43 39 33 30 29 29 25 26 25 26 26 25 28
RH                  48 40 47 66 83 89 89 83 66 52 48 60 67 61 67 69 59 51 50 64
Wind dir            SW  S SW  S SW SW SW NW NW NW  N  N  N  N  N  N  N  W SW SW
Wind spd            16 16 16 13 13 12  8  9 17 17 16 14 13 11  9  8  4  4  4  6
Clouds              FW SC SC SC B2 B2 B2 SC FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                      5          40          10           0           0
QPF 12hr                      0        0.13           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C  S


Date          Fri 11/24/17  Sat 11/25/17  Sun 11/26/17  Mon 11/27/17
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    51      40    54      39    45      31    41
Temp          37 36 50 46   43 42 53 47   43 40 44 38   35 32 40 37
Dewpt         30 29 30 34   35 36 40 42   38 33 29 26   23 22 22 25
PWind dir         W     W       S    SW       W    NW      NW    NW
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW FW CL   FW FW SC B1   SC SC SC SC   SC FW FW FW
PoP 12hr          0     0       5    20      20    20       5     5
Rain shwrs                         S  S    S     S  S

$$



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