Point Forecast Matrices
Issued by NWS Sterling, VA

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
000
FOUS51 KLWX 232334
PFMLWX

Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
634 PM EST Tue Jan 23 2018

VAZ054-240900-
Reagan National Airport-Arlington VA
38.86N  77.03W Elev. 66 ft
634 PM EST Tue Jan 23 2018

Date           01/23/18      Wed 01/24/18            Thu 01/25/18            Fri
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      37          47          30          43          29
Temp             53 49 46 43 39 42 46 45 39 37 35 34 32 37 41 41 37 34 33 32 32
Dewpt            32 33 32 30 28 28 27 26 25 23 23 23 21 21 21 21 23 23 23 23 22
RH               44 54 58 60 64 57 47 47 57 56 61 64 63 52 44 44 56 64 66 69 66
Wind dir          W  W  W  W  W NW NW NW NW NW NW NW NW NW NW NW NW NW NW SE  E
Wind spd         12  9  9  9 10 13 12 13 11  9  4  8  5 11  9  9  3  2  1  2  2
Wind gust        23
Clouds           FW FW FW SC SC SC SC SC SC B1 SC SC FW FW FW FW CL CL FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/26  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          50      35    56      46    57      37    46      28    42
Temp          47 43   40 38 53 52   49 48 56 48   43 38 45 38   33 30 40 35
Dewpt         27 29   30 31 40 44   46 45 48 45   37 31 27 24   22 18 19 21
PWind dir        SE       S     S       S    SW       W    NW      NW    NW
Wind char        LT      LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW CL   FW SC SC B1   B2 OV OV B2   B1 B1 SC SC   SC FW FW FW
PoP 12hr          0      10    20      40    60      40    20       5     5
Rain                         S  S    C  C  L  L
Rain shwrs                                         C  C  S  S
Snowshwrs                                          C  C

$$
MDZ013-240900-
Baltimore/Washington Airport-Anne Arundel MD
39.19N  76.67W Elev. 154 ft
634 PM EST Tue Jan 23 2018

Date           01/23/18      Wed 01/24/18            Thu 01/25/18            Fri
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      35          44          28          41          26
Temp             52 47 44 42 36 40 43 42 37 34 33 31 30 35 39 39 34 32 31 29 29
Dewpt            32 32 30 29 27 26 25 24 22 21 21 20 20 19 19 19 20 21 21 21 20
RH               46 56 57 60 69 57 49 48 54 58 61 63 66 52 44 44 56 63 66 72 69
Wind dir          W  W  W  W  W  W NW NW NW NW NW NW NW NW NW NW NW NW NW  N  E
Wind spd         12  9  9  9 11 13 13 13 11  9  5  8  6 11 11 10  4  3  1  2  2
Clouds           FW FW FW SC SC SC SC SC SC B1 SC SC SC SC FW FW CL FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/26  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          47      33    54      45    55      35    45      26    40
Temp          44 41   37 36 51 50   48 47 54 46   41 37 44 36   32 28 38 34
Dewpt         24 27   28 30 38 41   44 43 47 43   35 30 26 22   20 16 17 19
PWind dir        SE       S     S       S    SW       W    NW      NW    NW
Wind char        LT      LT    GN      GN    GN      LT    GN      GN    GN
Avg clouds    FW CL   FW SC SC B1   B2 OV OV B2   B1 B1 SC SC   SC FW FW FW
PoP 12hr          0       5    20      40    70      40    20       5     5
Rain                         S  S    C  C  L  L
Rain shwrs                                         C  C  S  S
Snowshwrs                                          C  C

$$
MDZ011-240900-
Baltimore Inner Harbor-Baltimore City MD
39.28N  76.61W Elev. 20 ft
634 PM EST Tue Jan 23 2018

Date           01/23/18      Wed 01/24/18            Thu 01/25/18            Fri
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      37          45          28          41          27
Temp             52 48 45 43 38 41 44 43 37 35 33 32 30 35 39 39 35 32 31 30 30
Dewpt            33 32 30 29 27 26 24 23 22 21 21 20 19 18 18 18 19 21 20 21 19
RH               48 54 55 57 64 55 45 45 54 56 61 61 63 49 42 42 52 63 63 69 63
Wind dir          W  W  W  W  W  W NW NW NW NW NW NW NW NW NW NW NW NW  N  N  E
Wind spd         12  9  9  9 11 14 13 13 11  9  5  8  5 11 10 10  4  3  1  2  2
Clouds           FW FW FW SC SC SC SC SC SC B1 SC SC SC FW FW FW CL FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/26  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          46      33    53      45    55      36    45      26    40
Temp          44 40   37 36 50 49   47 47 54 46   42 37 44 36   32 28 38 34
Dewpt         23 26   28 30 37 41   44 43 46 43   35 30 25 22   20 17 17 19
PWind dir        SE       S     S       S    SW       W    NW      NW    NW
Wind char        LT      LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    FW CL   FW SC SC B1   B2 OV OV B2   B1 B1 SC SC   SC FW FW FW
PoP 12hr          0       5    20      40    70      40    20       5     5
Rain                         S  S    C  C  L  L
Rain shwrs                                         C  C  S  S
Snowshwrs                                          C  C

$$
WVZ052-240900-
Martinsburg Airport-Berkeley WV
39.41N  77.98W Elev. 558 ft
634 PM EST Tue Jan 23 2018

Date           01/23/18      Wed 01/24/18            Thu 01/25/18            Fri
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      33          42          27          41          24
Temp             48 45 42 39 34 38 41 40 35 33 32 30 29 34 39 39 33 31 29 28 28
Dewpt            29 30 29 26 24 24 23 22 21 20 21 19 18 18 19 19 20 20 20 20 19
RH               47 55 60 59 66 57 48 48 56 58 63 63 63 51 44 44 58 63 69 71 68
Wind dir          W  W  W  W  W NW NW NW NW NW NW NW NW NW NW NW NW  W SW SE SE
Wind spd         12 11 11 11 11 16 13 14 11  9  5  9  6 12  9 10  4  2  1  2  2
Clouds           FW FW SC SC SC SC SC SC SC B1 B1 B1 SC FW FW FW FW FW FW FW FW
PoP 12hr                      0           0           5           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/26  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          49      30    54      42    55      33    44      24    41
Temp          46 40   36 34 51 49   46 44 53 45   40 35 43 35   30 27 39 33
Dewpt         25 26   26 27 34 39   41 41 44 40   31 26 24 21   19 15 17 18
PWind dir         S       S     S       S    SW       W    NW      NW    NW
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    CL FW   FW SC SC B1   B2 OV OV B2   B1 B1 SC SC   SC FW FW FW
PoP 12hr          0      10    20      50    60      30    20       5     5
Rain                         S  S    C  C  L  L
Rain shwrs                                               S  S
Snowshwrs                                          C  C

$$
VAZ506-240900-
Washington Dulles Airport-Loudoun VA
38.96N  77.45W Elev. 321 ft
634 PM EST Tue Jan 23 2018

Date           01/23/18      Wed 01/24/18            Thu 01/25/18            Fri
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      34          45          27          42          24
Temp             51 46 44 41 36 40 44 43 37 34 32 31 29 35 40 40 34 31 29 28 29
Dewpt            31 31 29 28 27 26 25 24 23 22 23 21 20 20 20 21 21 23 22 22 20
RH               46 55 55 59 69 57 47 47 56 61 69 66 69 54 44 46 58 72 75 78 69
Wind dir          W  W  W  W  W NW NW NW NW NW NW NW NW NW NW NW NW NW  W  S  E
Wind spd         12  9  9  9 11 14 13 14 11  8  4  8  5 12  9  9  3  3  1  2  2
Clouds           FW FW FW SC SC SC SC SC SC B1 B1 SC SC FW FW FW CL FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/26  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          50      32    56      44    56      34    45      25    42
Temp          47 42   37 36 53 51   48 46 54 46   41 36 44 36   31 28 40 34
Dewpt         26 28   29 29 37 42   45 43 46 43   35 29 26 22   21 17 18 19
PWind dir        SE       S     S       S    SW       W    NW      NW    NW
Wind char        LT      LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   FW SC SC B1   B2 OV OV B2   B1 B1 SC SC   SC FW FW FW
PoP 12hr          0      10    20      40    60      30    20       5     5
Rain                         S  S    C  C  L  L
Rain shwrs                                               S  S
Snowshwrs                                          C  C

$$
VAZ037-240900-
Charlottesville Airport-Albemarle VA
38.14N  78.45W Elev. 640 ft
634 PM EST Tue Jan 23 2018

Date           01/23/18      Wed 01/24/18            Thu 01/25/18            Fri
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      34          48          28          46          26
Temp             53 47 44 41 36 41 46 46 39 36 34 32 31 38 44 44 37 34 32 30 30
Dewpt            28 28 27 27 26 25 24 23 22 21 22 21 20 20 20 19 21 20 21 21 21
RH               38 47 51 57 67 52 42 40 50 54 61 63 63 48 38 36 52 56 63 69 69
Wind dir          W  W  W  W  W  W  W NW NW NW  W  W  W NW NW NW NW NW  W SW SE
Wind spd         11  6  6  5  8  9  8  9  9  5  3  4  3  6  5  6  2  2  1  1  1
Clouds           FW FW FW SC SC SC SC SC SC B1 SC SC FW FW FW CL CL CL CL CL CL
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/26  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          52      31    56      43    57      33    48      25    46
Temp          49 43   37 35 53 50   47 45 55 46   40 35 46 38   32 28 43 37
Dewpt         26 28   27 28 37 41   44 43 46 41   33 27 24 22   20 17 18 19
PWind dir         S       S    SW       S    SW       W    NW      NW    NW
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    CL FW   FW SC SC B1   B2 OV OV B2   B1 SC SC SC   SC FW FW FW
PoP 12hr          0      10    20      40    60      30    20       5     5
Rain                         S  S    C  C  L  L
Snowshwrs                                          C  C

$$
MDZ003-240900-
Hagerstown Airport-Washington MD
39.71N  77.73W Elev. 705 ft
634 PM EST Tue Jan 23 2018

Date           01/23/18      Wed 01/24/18            Thu 01/25/18            Fri
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      32          40          26          39          25
Temp             48 43 41 38 33 36 39 38 34 31 30 29 28 33 37 37 33 30 29 28 28
Dewpt            29 30 29 27 25 23 22 21 20 19 19 18 17 17 18 18 19 19 19 20 18
RH               47 60 62 64 72 59 50 50 56 61 63 63 63 51 46 46 56 63 66 71 66
Wind dir          W  W  W  W  W NW NW NW NW NW NW NW NW NW NW NW NW  W  W  S SE
Wind spd         13 11 12 12 12 16 13 14 12  9  5 10  6 12  9 10  4  3  1  2  2
Clouds           FW SC SC SC SC SC SC SC SC B1 B1 B1 SC FW FW FW FW FW FW SC FW
PoP 12hr                      0           0           5           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/26  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          47      30    52      42    53      32    41      23    39
Temp          44 39   35 34 49 48   45 44 52 44   38 33 40 33   28 26 37 33
Dewpt         24 26   26 27 32 39   41 41 44 40   31 27 24 21   19 14 16 17
PWind dir         S       S     S       S    SW       W    NW      NW    NW
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW   FW SC B1 B1   B2 OV B2 B2   B1 B1 SC SC   SC FW FW FW
PoP 12hr          0      10    20      50    70      30    20       5     5
Rain                         S  S    C  C  L  L
Rain shwrs                                               S  S
Snowshwrs                                          C  C

$$
MDZ017-240900-
Patuxent River NAS MD
38.29N  76.41W Elev. 39 ft
634 PM EST Tue Jan 23 2018

Date           01/23/18      Wed 01/24/18            Thu 01/25/18            Fri
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      35          46          30          41          28
Temp             51 47 44 41 37 41 45 44 39 36 35 33 32 36 40 39 35 33 32 31 31
Dewpt            39 32 32 30 29 29 28 26 26 24 24 22 22 21 22 21 23 23 24 24 23
RH               63 56 62 65 72 62 51 49 59 61 64 63 66 54 48 48 61 66 72 75 72
Wind dir          W  W  W  W  W  W NW NW NW NW NW NW NW NW NW NW  N  W  W SE  E
Wind spd         12 10  9  9 10 12 11 11 10 11  6 10  8 12 10  8  3  3  2  3  2
Clouds           FW CL FW FW FW SC SC SC SC B1 SC SC FW FW FW FW FW CL CL FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/26  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          44      34    53      44    54      37    46      28    41
Temp          42 40   37 37 51 49   47 46 53 46   42 38 45 38   33 30 39 35
Dewpt         27 28   30 31 38 41   44 43 46 43   37 32 28 25   23 19 21 20
PWind dir        SE       S     S       S     S      SW    NW      NW    NW
Wind char        LT      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    CL CL   FW FW SC B1   B2 OV OV B2   B2 B1 SC SC   SC FW FW FW
PoP 12hr          0       5    20      30    60      50    20       5     5
Rain                         S  S    C  C  L  L
Rain shwrs                                         C  C  S  S
Snowshwrs                                          C  C

$$
WVZ502-240900-
Petersburg WV
38.99N  79.15W Elev. 963 ft
634 PM EST Tue Jan 23 2018

Date           01/23/18      Wed 01/24/18            Thu 01/25/18            Fri
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      33          39          28          40          25
Temp             46 42 40 38 34 36 38 38 34 32 31 30 30 34 38 38 33 31 30 28 30
Dewpt            29 29 28 26 24 23 23 22 22 22 22 19 19 18 21 20 21 21 21 20 19
RH               51 60 62 62 66 59 54 52 61 66 69 63 63 51 50 48 61 66 69 71 63
Wind dir          W  W  W  W  W  W  W  W  W NW NW NW NW NW  W  W  W  W  S SW  S
Wind spd         11 11 10 10 10 10  9 10  8  8  4  9  4 10  8  8  2  3  2  3  2
Clouds           SC SC SC B1 SC SC SC SC B1 B2 B1 SC SC FW FW FW FW FW FW CL CL
PoP 12hr                     10          10          20           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snowshwrs                                 S  S  S  S


Date           01/26  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          54      33    57      44    53      33    42      25    41
Temp          50 45   39 37 54 51   48 45 52 44   39 34 41 34   30 28 39 34
Dewpt         27 27   27 26 35 39   41 40 43 37   31 25 24 22   21 17 20 21
PWind dir         S       S     S       S    SW       W    NW      NW     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    CL FW   FW SC B1 B1   B2 OV B2 B2   B1 B1 B1 B1   SC SC FW SC
PoP 12hr          0      10    30      50    70      40    30      20     5
Rain                         C  C    C  C  L  L
Rain shwrs                                               C  C
Snowshwrs                                          C  C          S  S

$$
MDZ014-240900-
Annapolis MD
38.99N  76.49W Elev. 7 ft
634 PM EST Tue Jan 23 2018

Date           01/23/18      Wed 01/24/18            Thu 01/25/18            Fri
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      35          44          28          40          27
Temp             50 46 43 41 36 40 43 42 37 34 33 31 30 34 38 38 34 32 31 30 30
Dewpt            34 32 30 29 28 27 26 25 23 22 22 21 21 19 20 20 21 21 22 22 21
RH               54 58 60 62 72 59 51 50 56 61 63 66 69 54 48 48 58 63 69 72 69
Wind dir          W  W  W  W  W NW NW NW NW NW NW NW NW NW NW NW NW NW NW  S  E
Wind spd         12  9  9  8 10 12 12 12 10  9  5  9  6 12 11  9  4  3  2  3  2
Clouds           FW FW FW SC SC SC SC SC SC B1 SC SC SC FW FW FW CL CL CL FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/26  Sat 01/27/18  Sun 01/28/18  Mon 01/29/18  Tue 01/30/18
EST 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          44      33    52      44    54      36    44      26    40
Temp          42 39   36 36 50 48   46 46 53 46   41 37 43 36   31 28 38 34
Dewpt         25 27   28 30 38 42   43 43 47 43   36 31 27 23   21 17 18 20
PWind dir        SE       S     S       S    SW       W    NW      NW    NW
Wind char        LT      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW CL   FW FW SC B1   B2 OV OV B2   B1 B1 SC SC   SC FW FW FW
PoP 12hr          0       5    20      30    70      40    20       5     5
Rain                         S  S    C  C  L  L
Rain shwrs                                         C  C  S  S
Snowshwrs                                          C  C

$$



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