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Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
334 AM EST Sat Jan 20 2018

VAZ054-202100-
Reagan National Airport-Arlington VA
38.86N  77.03W Elev. 66 ft
334 AM EST Sat Jan 20 2018

Date             Sat 01/20/18            Sun 01/21/18            Mon 01/22/18
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          37          53          42          58
Temp          30 31 44 55 58 49 43 41 39 37 44 50 53 48 45 44 42 42 47 56 58 53
Dewpt         24 21 26 32 36 35 34 34 33 33 37 39 42 41 42 42 42 41 43 46 46 46
RH            78 66 49 41 44 58 70 76 79 85 76 66 66 77 89 93100 96 86 69 64 77
Wind dir       S SW SW SW SW  W NW NW  W  W  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd       6  5  6  8  6  4  4  3  3  3  3  4  5  4  4  2  4  2  5  4  8  5
Clouds        FW FW FW FW FW SC SC SC SC B1 B2 B1 B2 B2 OV B2 OV OV B2 B2 B1 B2
PoP 12hr                      0           0           5          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C


Date          Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
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          49    58      35    47      29    43      27    46
Temp          50 50 58 51   42 37 45 39   34 31 41 36   32 30 44 39
Dewpt         46 48 45 35   30 27 28 26   24 22 23 23   23 21 26 28
PWind dir         S     W       W     W      NW    NW       N     S
Wind char        LT    GN      LT    GN      LT    LT      LT    LT
Avg clouds    OV OV B2 B1   SC FW FW FW   FW SC SC FW   FW FW FW FW
PoP 12hr         80    90       5     5       5     5       5     5
Rain shwrs     C  D  D  S

$$
MDZ013-202100-
Baltimore/Washington Airport-Anne Arundel MD
39.19N  76.67W Elev. 154 ft
334 AM EST Sat Jan 20 2018

Date             Sat 01/20/18            Sun 01/21/18            Mon 01/22/18
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                      56          34          49          39          55
Temp          27 28 42 52 56 46 41 37 36 34 41 47 49 44 41 39 39 39 45 52 55 49
Dewpt         19 20 25 30 34 32 32 32 32 32 35 38 39 38 40 39 39 39 41 44 43 43
RH            71 71 50 43 43 58 70 82 85 92 79 71 68 79 96100100100 86 74 64 80
Wind dir      SW SW SW  W  W  W  W  W  W  W SW SW  S  S  S  S  S  S  S  S SE SE
Wind spd       4  4  6  8  8  5  4  4  4  3  3  4  4  3  4  2  3  2  4  4  8  5
Clouds        FW FW FW FW FW SC SC SC SC B1 B2 B1 B2 B2 OV OV OV OV B2 B2 B1 B2
PoP 12hr                      0           0           5          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                        S  S
Rain shwrs                                                                    C


Date          Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
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          46    56      34    45      28    41      26    44
Temp          46 46 56 49   41 36 44 37   33 30 39 34   31 29 42 38
Dewpt         44 46 44 34   29 26 25 24   23 20 21 21   21 20 24 26
PWind dir         S    SW       W     W      NW    NW      NW    SW
Wind char        GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    OV OV B2 B1   SC FW FW FW   FW SC SC SC   FW FW FW FW
PoP 12hr         80    90       5     5       5     5       5     5
Rain shwrs     C  D  D  C

$$
MDZ011-202100-
Baltimore Inner Harbor-Baltimore City MD
39.28N  76.61W Elev. 20 ft
334 AM EST Sat Jan 20 2018

Date             Sat 01/20/18            Sun 01/21/18            Mon 01/22/18
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                      55          38          49          42          54
Temp          37 33 44 52 55 47 44 40 39 38 43 48 49 45 44 43 42 43 47 52 54 50
Dewpt         23 21 26 31 34 33 33 32 33 32 35 38 39 39 40 40 39 40 41 44 43 43
RH            56 61 49 44 45 58 65 73 79 79 73 68 68 79 86 89 89 89 79 74 66 77
Wind dir      SW SW  W  W  W  W  W  W  W  W SW SW  S  S  S  S  S  S  S  S SE SE
Wind spd       3  4  6  9  8  5  5  4  4  3  3  3  4  3  3  2  2  1  4  4  8  5
Clouds        FW FW FW FW FW SC SC SC B1 B1 B2 B1 B2 B2 OV OV OV OV B2 B2 B2 B2
PoP 12hr                      0           0           5          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                        S  S
Rain shwrs                                                                    L


Date          Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
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          47    56      35    45      29    41      27    44
Temp          47 47 56 49   41 37 44 38   34 31 39 35   31 30 42 38
Dewpt         44 46 44 33   29 26 25 24   23 20 20 20   21 20 22 25
PWind dir         S    SW       W     W      NW    NW      NW    SW
Wind char        GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    OV OV B2 B1   SC FW FW FW   FW SC SC SC   FW FW SC FW
PoP 12hr         80    90       5     5       5     5       5     5
Rain shwrs     L  D  D  C

$$
WVZ052-202100-
Martinsburg Airport-Berkeley WV
39.41N  77.98W Elev. 558 ft
334 AM EST Sat Jan 20 2018

Date             Sat 01/20/18            Sun 01/21/18            Mon 01/22/18
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                      55          33          53          38          57
Temp          26 28 41 52 55 46 40 37 35 33 41 48 53 48 42 42 39 39 45 54 57 53
Dewpt         19 21 30 32 33 31 31 31 32 32 36 41 43 40 40 39 39 38 41 46 46 44
RH            74 75 65 46 43 55 70 79 89 96 82 77 69 74 93 89100 96 86 74 67 71
Wind dir       S SW  W  W  W  W  W  W  W SW  S  S  S  S  S SW  S  S SE  S  S  S
Wind spd       5  6  9 10  8  6  5  3  3  3  3  4  3  3  3  2  3  1  4  4 10  8
Clouds        FW SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 OV OV OV OV OV B2 B2 B1 OV
PoP 12hr                      0           0          10          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                        S  S
Rain shwrs                                                                    D


Date          Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
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          45    53      33    43      26    42      24    46
Temp          48 45 53 44   39 35 42 35   31 29 40 34   29 28 43 37
Dewpt         44 43 37 30   26 24 24 22   21 19 20 20   20 18 23 25
PWind dir         S     W       W     W      NW    NW       W     S
Wind char        GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    OV OV B2 SC   SC SC SC SC   SC SC SC SC   FW FW SC FW
PoP 12hr         80    60      10     5      10    10       5     5
Rain shwrs     D  D  L  S

$$
VAZ506-202100-
Washington Dulles Airport-Loudoun VA
38.96N  77.45W Elev. 321 ft
334 AM EST Sat Jan 20 2018

Date             Sat 01/20/18            Sun 01/21/18            Mon 01/22/18
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          33          53          40          58
Temp          24 26 42 55 57 47 40 37 35 33 41 50 53 47 43 42 40 40 46 55 58 53
Dewpt         17 19 25 32 35 33 32 32 32 32 36 40 41 40 43 41 40 40 42 46 45 45
RH            74 74 50 41 43 58 73 82 89 96 82 68 64 76100 96100100 86 72 62 74
Wind dir      SW SW SW  W SW NW NW  W  W SW  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd       1  5  6  8  6  5  4  3  4  2  3  4  5  4  4  2  3  2  5  6 10  8
Clouds        FW FW FW FW FW SC SC SC B1 B1 B2 B1 B2 B2 OV OV OV OV B2 B2 B1 B2
PoP 12hr                      0           0           5          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    L


Date          Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
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          46    56      33    45      27    43      25    46
Temp          48 46 55 49   40 35 43 37   32 30 41 35   30 28 43 38
Dewpt         45 46 43 33   28 26 26 24   23 21 22 21   22 20 25 26
PWind dir         S     W       W     W      NW    NW      NW     S
Wind char        GN    GN      LT    GN      LT    LT      LT    LT
Avg clouds    OV OV B2 SC   SC FW FW FW   FW SC SC FW   FW FW FW FW
PoP 12hr         80    80       5     5       5     5       5     5
Rain shwrs     L  D  D  S

$$
VAZ037-202100-
Charlottesville Airport-Albemarle VA
38.14N  78.45W Elev. 640 ft
334 AM EST Sat Jan 20 2018

Date             Sat 01/20/18            Sun 01/21/18            Mon 01/22/18
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          33          57          39          58
Temp          35 30 45 57 59 49 41 36 35 34 45 54 57 49 44 42 41 39 47 55 58 53
Dewpt         12 19 29 33 35 32 30 30 30 31 37 42 44 43 42 40 39 39 41 44 45 46
RH            38 63 53 40 40 52 65 79 82 89 73 64 62 80 93 93 92100 79 66 62 77
Wind dir       S SW SW SW SW  W  W  W  W SW  S  S  S SW SW SW SW SW  S  S  S  S
Wind spd       9  8  8  9  8  6  4  3  2  2  3  4  6  4  3  3  3  3  5  6  9  6
Clouds        FW FW FW FW FW FW SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B2 B2 OV
PoP 12hr                      0           0           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    L


Date          Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
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          45    55      32    48      27    46      26    49
Temp          46 45 54 48   39 35 46 39   33 30 44 37   32 30 46 40
Dewpt         44 44 38 29   26 24 25 23   23 20 22 21   21 20 25 27
PWind dir         S     W       W     W       W     W       W     S
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    OV OV B1 SC   FW FW FW FW   FW SC SC FW   FW FW FW FW
PoP 12hr         80    60       5     5      10    10       5     5
Rain shwrs     L  D  L  S

$$
MDZ003-202100-
Hagerstown Airport-Washington MD
39.71N  77.73W Elev. 705 ft
334 AM EST Sat Jan 20 2018

Date             Sat 01/20/18            Sun 01/21/18            Mon 01/22/18
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                      52          34          50          38          54
Temp          38 29 41 49 52 45 39 36 36 34 38 47 50 45 44 40 39 39 45 51 54 48
Dewpt         21 21 29 32 33 31 31 31 32 32 35 40 40 40 40 39 39 38 41 45 45 44
RH            50 72 62 52 48 58 73 82 85 92 89 76 68 82 86 96100 96 86 80 71 86
Wind dir      SW SW  W  W  W  W  W  W  W SW  S SW  S  S  S  S  S  S SE SE  S  S
Wind spd       5  8  9 11  9  6  6  3  4  3  4  4  4  4  4  2  3  1  4  4 10  8
Clouds        SC SC SC SC SC SC B1 B1 B1 B2 B2 B2 OV OV OV OV OV OV OV OV B2 OV
PoP 12hr                      0           0          10          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                  S  S  S  S
Rain shwrs                                                                    L


Date          Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
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          44    51      32    41      25    39      24    44
Temp          44 44 51 43   38 33 40 34   30 27 37 32   29 27 41 37
Dewpt         43 43 38 31   27 24 23 22   20 18 19 19   19 17 22 24
PWind dir         S     W       W     W      NW    NW      NW    SW
Wind char        GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    OV OV B2 SC   SC SC SC SC   SC SC SC SC   FW FW SC SC
PoP 12hr         80    70       5     5      10    10       5     5
Rain shwrs     L  D  L  S

$$
MDZ017-202100-
Patuxent River NAS MD
38.29N  76.41W Elev. 39 ft
334 AM EST Sat Jan 20 2018

Date             Sat 01/20/18            Sun 01/21/18            Mon 01/22/18
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                      53          32          47          38          52
Temp          32 28 41 49 53 43 40 36 34 32 39 46 46 41 40 40 39 39 44 51 51 45
Dewpt         18 22 25 30 32 33 32 32 30 30 33 36 36 36 37 38 38 38 38 42 40 41
RH            56 78 52 48 44 67 73 85 85 92 79 68 68 82 89 92 96 96 79 71 66 86
Wind dir      SW SW SW SW SW SW  W NW NW  W SW  S  S  S  S  S  S  S  S  S  S  S
Wind spd       4  8  9  8  8  6  4  4  4  3  4  4  6  6  6  5  6  4  8  8 10  9
Clouds        FW FW FW FW FW FW FW SC SC SC B1 SC B1 B1 B2 B2 B2 B2 B2 B2 B1 B2
PoP 12hr                      0           0           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C


Date          Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
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          45    56      34    45      29    41      28    43
Temp          45 46 55 48   41 36 44 38   34 31 39 35   32 30 41 38
Dewpt         42 45 44 35   30 27 27 26   25 23 24 23   23 22 25 27
PWind dir         S    SW       W     W      NW    NW       N     S
Wind char        GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B2 OV B2 B1   SC FW FW FW   FW SC SC FW   FW FW FW FW
PoP 12hr         70    90       5     5       5     5       5     5
Rain shwrs     C  L  D  C

$$
WVZ502-202100-
Petersburg WV
38.99N  79.15W Elev. 963 ft
334 AM EST Sat Jan 20 2018

Date             Sat 01/20/18            Sun 01/21/18            Mon 01/22/18
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                      56          36          55          40          61
Temp          36 30 39 54 54 43 37 36 36 37 42 53 54 48 44 43 42 40 46 58 60 51
Dewpt         21 26 31 33 34 32 32 34 34 36 40 44 45 43 41 42 39 39 43 48 47 44
RH            54 85 73 45 46 65 82 92 92 96 93 71 71 83 89 96 89 96 89 69 62 77
Wind dir       E SW  W  W  W SW  W SW SW SW SW SW SW  S SW  S SW  S  S  S  S  S
Wind spd       4  9 11  9  8  6  6  4  4  3  4  4  4  4  4  3  4  3  5  5 10  6
Clouds        SC SC B1 B1 B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B1 B2 B1 OV
PoP 12hr                      0          10          20          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      S  S  S     S  S  S  S
Rain shwrs                                                                    D


Date          Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
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          44    48      32    41      27    41      25    51
Temp          45 44 48 41   37 33 40 35   31 29 39 34   30 29 48 42
Dewpt         42 39 34 29   26 23 24 23   22 19 22 21   21 19 26 27
PWind dir         S     W       W     W       W     W      SW     S
Wind char        LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    OV OV B1 SC   SC SC SC SC   SC B1 B1 SC   FW FW SC SC
PoP 12hr         90    60      10    10      20    20       5     5
Rain shwrs     D  D  L  S
Snowshwrs                                     S  S

$$
MDZ014-202100-
Annapolis MD
38.99N  76.49W Elev. 7 ft
334 AM EST Sat Jan 20 2018

Date             Sat 01/20/18            Sun 01/21/18            Mon 01/22/18
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                      53          34          47          38          53
Temp          30 31 41 50 53 45 40 37 36 34 40 45 47 42 40 38 38 38 44 51 53 49
Dewpt         21 22 26 30 33 33 32 32 33 33 35 38 38 38 38 38 38 38 40 44 42 43
RH            69 69 55 46 46 62 73 82 89 96 82 76 71 86 92100100100 86 77 66 80
Wind dir      SW SW SW SW SW  W  W NW NW  W  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd       1  4  6  8  8  5  4  4  4  3  3  4  5  5  5  3  4  3  6  5  9  8
Clouds        FW FW FW FW FW SC SC SC SC B1 B2 B1 B2 B2 OV B2 OV OV B2 B2 B1 B2
PoP 12hr                      0           0           5          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C


Date          Tue 01/23/18  Wed 01/24/18  Thu 01/25/18  Fri 01/26/18
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          46    56      35    45      29    40      27    43
Temp          47 47 56 48   41 37 44 38   34 31 39 34   31 30 41 37
Dewpt         43 46 46 34   30 27 26 25   23 21 21 22   22 21 24 27
PWind dir         S    SW       W     W      NW    NW      NW    SW
Wind char        GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    OV OV B2 B1   SC FW FW FW   FW SC SC FW   FW FW FW FW
PoP 12hr         80    90       5     5       5     5       5     5
Rain shwrs     C  D  D  C

$$


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