Point Forecast Matrices
Issued by NWS Sterling, VA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13
000
FOUS51 KLWX 180233
PFMLWX

Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
933 PM EST Wed Jan 17 2018

VAZ054-180900-
Reagan National Airport-Arlington VA
38.86N  77.03W Elev. 66 ft
933 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            Sat
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                      20          41          25          47          30
Temp                24 22 21 23 31 38 39 34 31 30 28 29 37 44 45 39 37 35 34 33
Dewpt               10 10 11  9 12 14 18 17 17 16 17 15 20 19 24 22 24 23 23 22
RH                  54 59 65 54 45 37 42 49 56 55 63 55 50 36 43 50 59 61 64 63
Wind dir            NW NW NW  W  W  W  W  W  W  W  W  W  W  W SW  S SW SW SW SW
Wind spd            13 12 13 13 12 11  9  5  4  2  3  2  4  4  5  3  3  2  3  2
Clouds              SC SC FW FW FW FW CL CL CL FW FW FW FW FW CL FW CL FW CL FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      34    53      38    55      43    53      33    48
Temp          51 45   40 37 51 46   43 41 53 50   47 45 52 44   39 35 46 40
Dewpt         29 33   33 31 40 40   38 37 43 45   45 41 38 32   29 27 29 29
PWind dir        SW       W    SW       S     S       S     W       W     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW   FW FW SC SC   B1 B1 B1 B1   B2 B2 B1 SC   SC SC SC SC
PoP 12hr          0       0     5       5    20      70    40       5    10
Rain shwrs                                 S  S    L  L  C  C

$$
MDZ013-180900-
Baltimore/Washington Airport-Anne Arundel MD
39.19N  76.67W Elev. 154 ft
933 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            Sat
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                      17          38          20          45          29
Temp                21 20 19 20 28 35 36 31 29 28 26 27 35 42 43 38 35 34 32 32
Dewpt                9  9  9  8 11 13 17 15 15 15 16 15 18 18 22 20 22 22 22 21
RH                  59 62 64 59 48 40 45 51 55 58 65 60 49 37 43 48 59 61 66 63
Wind dir            NW NW NW  W  W  W  W  W  W  W  W  W  W  W SW SW SW SW SW SW
Wind spd            11  9 10  9 10 12 10  6  4  2  4  2  6  5  5  3  4  2  3  2
Clouds              SC SC FW FW FW FW CL CL CL FW FW FW FW FW CL FW CL FW CL FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      33    51      37    53      41    51      32    45
Temp          49 43   39 36 49 45   41 40 51 48   45 43 50 42   38 34 43 38
Dewpt         28 31   31 30 38 38   37 36 41 43   43 40 36 31   27 26 27 27
PWind dir        SW       W    SW       S     S       S     W       W     W
Wind char        LT      LT    LT      LT    LT      GN    GN      LT    GN
Avg clouds    FW FW   FW SC SC SC   B1 B1 B1 B1   B2 B2 B1 SC   SC SC SC SC
PoP 12hr          0       0     5      10    20      70    40      10    10
Rain shwrs                                 S  S    L  L  C  C

$$
MDZ011-180900-
Baltimore Inner Harbor-Baltimore City MD
39.28N  76.61W Elev. 20 ft
933 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            Sat
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                      20          38          26          44          31
Temp                23 22 21 23 30 36 36 32 30 29 28 28 35 42 42 38 36 35 34 34
Dewpt               10  9 10  9 11 12 16 15 16 15 16 15 18 18 22 20 22 22 22 21
RH                  57 57 62 54 44 36 43 49 55 55 60 58 49 37 44 48 56 59 61 58
Wind dir            NW NW NW  W  W  W  W  W  W  W  W  W  W  W SW SW SW SW SW SW
Wind spd            11  9 10  9 11 12 10  6  4  2  4  2  6  5  5  3  4  2  3  2
Clouds              SC FW FW FW FW CL CL CL CL FW FW FW FW FW CL FW FW FW CL FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      35    50      38    52      42    51      32    45
Temp          49 44   40 37 48 45   42 40 50 48   45 43 50 42   38 34 43 38
Dewpt         28 30   32 31 37 37   38 37 42 43   43 39 36 31   27 26 27 27
PWind dir        SW       W    SW       S     S       S     W       W     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW   FW SC SC SC   B1 B1 B1 B1   B2 B2 B1 SC   SC SC SC SC
PoP 12hr          0       0     5      10    20      70    40      10    10
Rain shwrs                                 S  S    L  L  C  C

$$
WVZ052-180900-
Martinsburg Airport-Berkeley WV
39.41N  77.98W Elev. 558 ft
933 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            Sat
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                      14          38          20          46          27
Temp                18 17 16 18 27 35 36 31 28 27 25 26 35 43 44 37 34 33 31 31
Dewpt                7  7  7  6  9 11 14 12 13 12 14 12 17 19 23 19 21 19 20 19
RH                  61 64 67 59 46 36 40 45 53 53 62 55 47 38 43 48 58 56 63 61
Wind dir             W  W  W  W  W  W  W  W  W  W  W  W  W  W  W SW SW SW SW SW
Wind spd            10  9 11 10 13 13 10  6  6  4  5  4  6  5  5  3  4  3  4  3
Clouds              FW FW FW FW FW CL CL CL CL FW FW SC FW FW FW FW 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           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      32    52      36    53      38    50      30    45
Temp          50 44   39 35 49 45   41 39 51 46   43 40 48 41   36 32 43 36
Dewpt         31 30   30 30 40 39   37 35 42 42   40 35 31 27   24 23 26 25
PWind dir         W       W    SW       S     S      SW     W       W     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW   SC SC B1 B1   B1 B1 B1 B2   B2 B2 B1 SC   SC SC SC SC
PoP 12hr          0       5     5      20    30      70    40      10    10
Rain shwrs                           S  S  C  C    L  L  C  C

$$
VAZ506-180900-
Washington Dulles Airport-Loudoun VA
38.96N  77.45W Elev. 321 ft
933 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            Sat
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                      15          40          19          47          27
Temp                20 19 16 19 28 37 38 32 29 27 26 26 35 44 45 38 35 33 31 31
Dewpt                9  8  9  8 10 12 16 14 14 13 14 12 18 18 23 20 22 20 20 19
RH                  62 61 73 61 46 35 40 47 53 55 60 55 49 35 41 48 59 58 63 61
Wind dir            NW NW NW  W  W  W  W NW  W SW  W  W  W  W SW  S SW SW SW SW
Wind spd            11  9 10 10 11 12  9  6  4  2  4  2  5  4  5  3  3  2  3  2
Clouds              SC FW FW FW FW CL CL CL CL FW FW FW FW FW CL FW CL FW CL FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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          55      32    53      36    55      40    52      31    46
Temp          51 45   39 35 50 45   41 39 53 48   45 42 50 43   37 33 44 38
Dewpt         29 31   31 30 40 40   38 36 43 44   43 39 35 30   27 26 28 27
PWind dir        SW       W    SW       S     S       S     W       W     W
Wind char        LT      LT    LT      LT    LT      GN    GN      LT    GN
Avg clouds    FW FW   FW SC SC SC   B1 B1 B1 B2   B2 B2 B1 SC   SC SC SC SC
PoP 12hr          0       5     5      10    20      70    40       5    10
Rain shwrs                                 S  S    L  L  C  C

$$
VAZ037-180900-
Charlottesville Airport-Albemarle VA
38.14N  78.45W Elev. 640 ft
933 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            Sat
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                      16          45          22          51          27
Temp                24 21 19 21 31 41 42 35 32 30 28 27 38 47 48 40 36 34 32 32
Dewpt                8  6  5  6  9 10 14 10  9 10  9 10 16 17 21 20 19 18 17 17
RH                  50 52 54 52 39 27 31 35 37 42 44 48 40 30 34 44 50 51 53 53
Wind dir            NW  W  W  W  W  W SW  W SW SW SW  W SW SW SW SW SW SW  W SW
Wind spd             5  5  6  6  6  9  9  6  4  4  4  4  4  5  5  4  4  4  4  5
Clouds              SC FW FW FW FW CL CL CL CL CL FW FW CL FW CL FW CL FW CL FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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          56      32    56      36    56      38    54      29    49
Temp          52 45   39 36 53 47   42 39 53 48   43 41 52 43   37 32 46 39
Dewpt         30 31   29 28 41 40   36 34 41 43   41 36 31 27   25 23 27 27
PWind dir        SW       W    SW      SW     S       S     W       W     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW   FW FW SC SC   SC B1 B1 B2   B2 B2 SC FW   FW SC SC SC
PoP 12hr          0       0     5       5    30      70    30       5    10
Rain shwrs                                 C  C    L  L  C  C

$$
MDZ003-180900-
Hagerstown Airport-Washington MD
39.71N  77.73W Elev. 705 ft
933 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            Sat
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                      14          36          20          44          28
Temp                16 16 16 18 26 33 34 30 27 26 25 26 34 41 42 37 34 33 31 32
Dewpt                7  7  7  5  9 12 15 13 13 12 14 13 17 19 23 20 20 19 20 20
RH                  67 67 67 56 48 41 45 49 55 55 62 57 49 41 46 50 56 56 63 61
Wind dir             W  W  W  W  W  W  W  W  W  W  W  W  W  W  W SW SW SW SW SW
Wind spd            10  9 10 10 13 14 12  8  6  4  6  4  8  6  6  4  4  3  5  4
Clouds              CL FW FW FW FW CL CL CL CL FW FW SC FW FW FW FW FW FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      33    50      37    51      38    47      30    42
Temp          49 43   39 36 48 44   41 39 49 45   42 39 46 39   35 32 40 35
Dewpt         30 31   30 31 40 39   37 36 42 41   40 35 31 27   24 23 25 24
PWind dir         W       W    SW       S     S       S     W       W     W
Wind char        LT      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    FW FW   SC SC B1 B1   B2 B2 B2 B2   B2 B2 B1 SC   SC SC SC SC
PoP 12hr          0       5    10      20    30      70    40      10    10
Rain shwrs                           S  S  C  C    L  L  C  C

$$
MDZ017-180900-
Patuxent River NAS MD
38.29N  76.41W Elev. 39 ft
933 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            Sat
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                      19          38          23          44          29
Temp                24 23 20 22 29 36 36 32 30 29 28 28 35 42 42 37 35 34 32 32
Dewpt               12 11 10 10 12 15 18 19 19 18 18 17 20 21 23 24 24 24 25 24
RH                  60 59 64 59 48 42 47 58 63 63 66 63 54 43 46 59 64 66 75 72
Wind dir            NW NW NW NW NW  W  W  W  W SW SW  W  W SW  S  S SW SW SW SW
Wind spd            14 13 13 11 13 12  9  6  5  3  4  2  4  4  5  4  6  6  5  5
Clouds              B2 SC FW FW FW FW CL CL CL CL CL FW CL FW CL FW CL FW CL FW
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      32    48      36    51      41    51      33    45
Temp          46 41   37 35 46 43   40 38 49 47   44 43 50 43   38 35 43 39
Dewpt         29 32   30 29 35 36   36 35 40 42   43 41 37 33   29 27 29 29
PWind dir        SW       W    SW       S     S       S    SW       W     W
Wind char        LT      LT    LT      LT    GN      GN    GN      GN    LT
Avg clouds    FW FW   FW FW FW FW   SC SC B1 B1   B2 B2 B1 SC   FW SC SC SC
PoP 12hr          0       0     5       5    10      70    40       5    10
Rain shwrs                                         L  L  C  C

$$
WVZ502-180900-
Petersburg WV
38.99N  79.15W Elev. 963 ft
933 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            Sat
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                      12          38          19          47          29
Temp                16 16 14 16 26 35 36 31 28 27 25 26 35 44 45 39 36 34 33 33
Dewpt                6  6  6  5  7 11 13 12 13 12 12 11 16 21 24 21 20 18 19 21
RH                  64 64 70 61 44 36 38 45 53 53 57 52 45 39 43 48 52 51 56 61
Wind dir             W  W  W  W  W  W  W  W  W  W  W SW  W  W  W SW  W SW  W SW
Wind spd             8  8  9 10 11 11 10  6  9  5  8  4  6  5  6  3  5  4  6  5
Clouds              SC SC SC SC FW CL CL FW CL FW FW SC FW FW FW FW FW FW FW FW
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      35    54      38    57      37    48      31    45
Temp          51 45   41 38 52 47   43 41 55 48   43 39 47 40   36 33 43 37
Dewpt         33 32   34 34 44 41   38 34 44 41   38 33 30 27   25 24 26 25
PWind dir        SW      SW    SW       S     S      SW     W       W     W
Wind char        LT      LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    FW FW   SC SC B1 B1   B1 B1 B1 B2   B2 B1 SC SC   SC SC SC SC
PoP 12hr          0      10    10      20    30      70    30      10    10
Rain shwrs                           S  S  C  C    L  L  C  C

$$
MDZ014-180900-
Annapolis MD
38.99N  76.49W Elev. 7 ft
933 PM EST Wed Jan 17 2018

Date           01/17/18      Thu 01/18/18            Fri 01/19/18            Sat
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                      18          38          24          44          29
Temp                23 21 19 21 29 35 36 32 30 29 28 28 35 42 42 37 35 34 32 31
Dewpt               11 10 10  9 11 13 18 17 18 17 17 17 19 19 23 22 23 23 23 23
RH                  59 62 67 59 46 40 47 53 60 60 63 63 52 39 46 54 61 64 69 72
Wind dir            NW NW NW NW  W  W  W  W  W  W  W  W  W SW SW  S SW SW SW SW
Wind spd            12 11 11 10 11 12 10  6  4  3  4  3  6  5  5  4  5  3  4  3
Clouds              SC SC FW FW FW CL CL CL CL CL FW FW FW FW CL FW CL FW CL FW
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/20  Sun 01/21/18  Mon 01/22/18  Tue 01/23/18  Wed 01/24/18
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      33    49      37    52      41    51      33    45
Temp          46 42   38 36 47 44   41 39 50 47   44 43 50 43   38 35 43 38
Dewpt         29 31   32 31 37 38   37 37 42 43   42 40 38 33   28 27 28 28
PWind dir        SW       W    SW       S     S       S     W       W     W
Wind char        LT      LT    LT      LT    LT      GN    GN      LT    GN
Avg clouds    FW FW   FW FW SC SC   B1 B1 B1 B1   B2 B2 B1 SC   SC SC SC SC
PoP 12hr          0       0     5      10    20      70    40       5    10
Rain shwrs                                 S  S    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.