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Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
1239 PM EST Sun Feb 18 2018

VAZ054-182100-
Reagan National Airport-Arlington VA
38.86N  77.03W Elev. 66 ft
1239 PM EST Sun Feb 18 2018

Date             Sun 02/18/18            Mon 02/19/18            Tue 02/20/18
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                      51          36          52          50          73
Temp                   48 49 45 42 40 39 38 45 50 52 51 51 51 50 53 63 70 72 68
Dewpt                  35 33 32 33 32 32 33 37 42 46 47 48 50 50 52 56 61 61 61
RH                     60 54 60 70 73 76 82 73 74 80 86 89 96100 96 78 73 68 78
Wind dir               NW  W SE SE  S  S  S  S  S  S  S  S SW SW SW SW SW  S  S
Wind spd                5  4  4  5  5  6  5  6  8  8  8  8  6  8  8 10 11 11  9
Clouds                 FW FW FW FW SC SC B2 B2 B2 OV B2 B2 B2 B1 B2 SC B1 SC B1
PoP 12hr                      0           5          40          10           5
QPF 12hr                      0           0        0.07           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  C  C


Date          Wed 02/21/18  Thu 02/22/18  Fri 02/23/18  Sat 02/24/18
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          60    76      53    55      42    52      47    65
Temp          64 62 75 67   60 53 54 52   46 42 51 50   48 50 63 61
Dewpt         60 59 64 63   58 50 46 43   41 39 42 45   46 46 54 54
PWind dir        SW    SW      NW    NE      NE     E       S    SW
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC B1 B1   B1 B2 OV OV   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr          5    20      50    60      40    40      30    30
Rain shwrs              S    C  C  L  L    C  C  C  C    C  C  C  C

$$
MDZ013-182100-
Baltimore/Washington Airport-Anne Arundel MD
39.19N  76.67W Elev. 154 ft
1239 PM EST Sun Feb 18 2018

Date             Sun 02/18/18            Mon 02/19/18            Tue 02/20/18
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                      49          32          51          48          71
Temp                   44 47 42 39 37 35 35 42 49 51 50 49 49 49 51 61 68 70 65
Dewpt                  34 32 31 31 31 31 32 36 40 44 45 47 48 48 49 54 59 60 59
RH                     68 56 65 73 79 85 89 79 71 77 83 93 96 96 93 78 73 71 81
Wind dir                W  W SE SE  S  S  S  S  S  S  S  S  S SW SW SW SW  S  S
Wind spd                6  4  3  4  4  5  4  6  8  6  6  6  6  8  6 10 11 11  9
Clouds                 FW FW FW FW SC SC B1 B2 OV OV OV B2 B2 B1 B2 SC B1 SC B1
PoP 12hr                      0           5          40          10           5
QPF 12hr                      0           0        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  C  C


Date          Wed 02/21/18  Thu 02/22/18  Fri 02/23/18  Sat 02/24/18
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          57    74      50    51      40    50      44    63
Temp          61 60 73 65   57 50 51 49   44 40 49 48   46 47 61 59
Dewpt         57 57 63 61   55 47 43 41   39 37 40 42   44 45 52 52
PWind dir        SW    SW      NW    NE      NE     E       S    SW
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B1 B2 OV OV   B2 B2 B2 B2   OV OV B2 B2
PoP 12hr          5    20      50    60      40    40      40    30
Rain shwrs           S  S    C  C  L  L    C  C  C  C    C  C  C  C

$$
MDZ011-182100-
Baltimore Inner Harbor-Baltimore City MD
39.28N  76.61W Elev. 20 ft
1239 PM EST Sun Feb 18 2018

Date             Sun 02/18/18            Mon 02/19/18            Tue 02/20/18
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                      48          36          50          48          70
Temp                   45 46 43 41 39 38 38 44 48 50 49 49 49 48 51 60 67 69 65
Dewpt                  34 33 32 32 31 32 32 36 40 44 45 47 48 47 49 54 59 60 59
RH                     65 60 65 70 73 79 79 73 74 80 86 93 96 96 93 81 75 73 81
Wind dir                W  W SE SE  S  S  S  S  S  S  S  S  S SW SW SW SW  S  S
Wind spd                5  5  3  4  4  5  4  6  6  6  5  6  6  6  6  9 10 10  8
Clouds                 FW FW FW FW SC SC B1 B2 OV OV OV B2 B2 B1 B2 SC B1 SC B1
PoP 12hr                      0           5          40          10           5
QPF 12hr                      0           0        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  C  C


Date          Wed 02/21/18  Thu 02/22/18  Fri 02/23/18  Sat 02/24/18
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          57    73      49    49      39    50      44    62
Temp          61 60 72 64   56 49 48 47   43 39 49 48   46 47 60 58
Dewpt         57 57 62 62   54 46 43 41   38 36 40 42   43 44 51 52
PWind dir        SW    SW      NW    NE      NE     E       S    SW
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B1 B2 OV OV   B2 B2 B2 B2   OV OV B2 B2
PoP 12hr          5    30      50    60      40    40      40    40
Rain shwrs           S  S    C  C  L  L    C  C  C  C    C  C  C  C

$$
WVZ052-182100-
Martinsburg Airport-Berkeley WV
39.41N  77.98W Elev. 558 ft
1239 PM EST Sun Feb 18 2018

Date             Sun 02/18/18            Mon 02/19/18            Tue 02/20/18
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                      49          32          52          45          74
Temp                   45 47 42 39 37 35 35 43 49 51 49 48 47 46 49 61 70 72 66
Dewpt                  29 30 28 29 30 29 29 34 40 45 44 44 45 44 45 53 58 59 56
RH                     53 51 57 67 75 78 78 70 71 80 83 86 93 93 86 75 66 64 70
Wind dir                W SW SE SE  S  S  S  S  S  S  S  S  S  S  S SW  S  S  S
Wind spd                5  4  4  4  6  6  6  8  9  8  6  6  5  6  5  9  9 11  6
Clouds                 SC CL FW FW SC B1 B2 B2 B2 OV B2 B1 B2 B1 B2 SC B1 SC B1
PoP 12hr                      0           5          50           5           5
QPF 12hr                      0           0        0.10           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  C  C


Date          Wed 02/21/18  Thu 02/22/18  Fri 02/23/18  Sat 02/24/18
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          54    75      47    49      38    50      42    64
Temp          60 57 73 64   55 47 48 46   42 38 48 47   44 45 61 58
Dewpt         54 52 62 58   51 45 42 39   38 35 40 41   42 42 52 49
PWind dir         S    SW      NW     N      NE    SE       S    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B2 B2 OV OV   B2 B2 B2 B2   OV OV B2 B2
PoP 12hr          5    40      50    60      40    50      40    50
Rain shwrs           C  C    C  C  L  L    C  C  C  C    C  C  C  C

$$
VAZ506-182100-
Washington Dulles Airport-Loudoun VA
38.96N  77.45W Elev. 321 ft
1239 PM EST Sun Feb 18 2018

Date             Sun 02/18/18            Mon 02/19/18            Tue 02/20/18
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                      50          34          52          48          74
Temp                   45 48 44 41 38 37 37 44 50 52 50 50 49 49 52 62 71 73 68
Dewpt                  34 32 31 32 31 31 31 35 41 46 46 47 49 48 49 55 61 61 59
RH                     65 54 60 70 76 79 79 70 71 80 86 89100 96 89 78 71 66 73
Wind dir                W SW SE SE  S  S  S  S  S  S  S  S  S  S SW SW  S  S  S
Wind spd                6  4  5  6  6  6  6  9 11 10  9  9  6  9  6 11 10 12  9
Clouds                 SC FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 SC B1
PoP 12hr                      0           5          40           5           5
QPF 12hr                      0           0        0.07           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  C  C


Date          Wed 02/21/18  Thu 02/22/18  Fri 02/23/18  Sat 02/24/18
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          58    75      51    53      40    51      45    65
Temp          62 61 75 67   58 51 53 50   44 40 50 49   47 48 62 60
Dewpt         58 57 64 63   56 49 45 42   40 38 41 44   45 45 54 52
PWind dir        SW    SW      NW    NE      NE    SE       S    SW
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B2 B2 OV OV   B2 B2 B2 B2   OV B2 B2 B2
PoP 12hr          5    30      50    60      40    40      30    30
Rain shwrs           S  C    C  C  L  L    C  C  C  C    C  C  C  C

$$
VAZ037-182100-
Charlottesville Airport-Albemarle VA
38.14N  78.45W Elev. 640 ft
1239 PM EST Sun Feb 18 2018

Date             Sun 02/18/18            Mon 02/19/18            Tue 02/20/18
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          35          54          49          72
Temp                   47 51 45 42 40 38 38 45 52 54 52 51 50 50 52 62 69 71 66
Dewpt                  34 31 32 31 32 32 33 36 43 47 47 47 49 49 49 55 59 59 58
RH                     60 46 60 65 73 79 82 70 71 77 83 86 96 96 89 78 70 66 75
Wind dir               SW  S SE  S  S  S  S  S  S  S  S  S SW SW SW SW SW  S  S
Wind spd                3  4  4  4  4  4  5  5  8  9  8  6  4  6  5  9  9 10  8
Clouds                 FW CL FW FW B1 B2 OV OV B2 B2 B2 B1 B2 B2 B2 SC B1 SC B1
PoP 12hr                      0          10          50          10           5
QPF 12hr                      0           0        0.05           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  C  C


Date          Wed 02/21/18  Thu 02/22/18  Fri 02/23/18  Sat 02/24/18
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          57    74      53    54      42    54      46    66
Temp          61 59 72 66   59 53 54 52   47 42 52 51   48 49 63 61
Dewpt         57 56 64 63   58 52 49 46   43 40 44 46   46 45 53 53
PWind dir        SW    SW       W     N      NE    SE       S    SW
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1 B1 B1   B1 B2 OV OV   OV B2 B2 B2   B2 B2 B2 B2
PoP 12hr          5    30      50    60      40    40      30    30
Rain shwrs           S  C    C  C  L  L    C  C  C  C    C  C  C  C

$$
MDZ003-182100-
Hagerstown Airport-Washington MD
39.71N  77.73W Elev. 705 ft
1239 PM EST Sun Feb 18 2018

Date             Sun 02/18/18            Mon 02/19/18            Tue 02/20/18
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                      46          34          50          46          72
Temp                   43 45 41 39 37 36 36 43 48 50 48 48 47 47 50 60 69 70 65
Dewpt                  28 29 27 28 29 29 29 33 38 43 43 44 45 45 46 52 58 59 56
RH                     55 53 57 64 72 75 75 67 68 77 83 86 93 93 86 75 68 68 73
Wind dir                W SW SE SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd                5  5  5  6  9 10  9 10 10  9  8  8  5  8  5  9  9 12  8
Clouds                 SC CL FW FW SC B1 B2 OV B2 OV B2 B1 B2 B1 B2 SC B1 SC B1
PoP 12hr                      0           5          50          10           5
QPF 12hr                      0           0        0.12           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  C  C


Date          Wed 02/21/18  Thu 02/22/18  Fri 02/23/18  Sat 02/24/18
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          54    73      46    47      37    48      42    61
Temp          59 57 71 63   54 46 47 45   41 37 47 46   44 45 59 56
Dewpt         54 52 61 57   49 43 40 38   37 34 38 40   42 42 51 49
PWind dir         S    SW      NW    NE      NE    SE       S    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B2 B2 OV OV   B2 B2 B2 B2   OV OV OV OV
PoP 12hr          5    40      50    60      40    50      50    50
Rain shwrs           C  C    C  C  L  L    C  C  C  C    C  C  C  C

$$
MDZ017-182100-
Patuxent River NAS MD
38.29N  76.41W Elev. 39 ft
1239 PM EST Sun Feb 18 2018

Date             Sun 02/18/18            Mon 02/19/18            Tue 02/20/18
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                      49          36          52          49          67
Temp                   47 46 44 41 40 39 38 45 50 52 51 50 50 50 52 59 65 66 63
Dewpt                  34 33 32 32 34 35 36 40 43 45 46 47 49 50 51 55 58 58 55
RH                     60 60 62 70 79 85 92 82 77 77 83 89 96100 96 87 78 75 75
Wind dir                N NE  E SE SE SE  S  S  S  S  S  S  S  S SW SW SW  S  S
Wind spd                6  4  4  5  6  8  6  6  6  8  8  9  9  9  9 11 12 11  9
Clouds                 FW FW FW FW FW FW B1 B2 OV OV OV B2 B2 B2 B2 B1 B1 SC B1
PoP 12hr                      0           5          40          20           5
QPF 12hr                      0           0        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  C  C  S  S  S  S


Date          Wed 02/21/18  Thu 02/22/18  Fri 02/23/18  Sat 02/24/18
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          56    71      52    53      42    52      46    62
Temp          59 59 69 63   57 52 53 51   46 42 51 50   48 48 60 58
Dewpt         56 56 60 58   56 50 47 44   41 40 43 44   46 47 53 51
PWind dir         S    SW       W     N      NE     E       S    SW
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC B1 B1   B1 B2 OV OV   OV B2 B2 B2   B2 B2 B2 B2
PoP 12hr          5    20      50    60      40    40      30    30
Rain shwrs              S    C  C  L  L    C  C  C  C    C  C  C  C

$$
WVZ502-182100-
Petersburg WV
38.99N  79.15W Elev. 963 ft
1239 PM EST Sun Feb 18 2018

Date             Sun 02/18/18            Mon 02/19/18            Tue 02/20/18
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                      48          36          61          52          77
Temp                   44 48 43 41 39 38 40 50 58 60 57 56 55 54 56 66 74 75 69
Dewpt                  29 31 29 30 31 33 36 42 50 53 51 51 50 49 50 55 58 59 56
RH                     55 51 57 65 73 82 85 74 75 78 80 83 83 83 80 68 57 58 63
Wind dir               SW  S SE  S  S  S  S  S  S  S  S  S SW SW SW SW SW  S  S
Wind spd                3  4  4  5  6  6  6  6  8  6  6  6  6  8  6  8  9  9  6
Clouds                 FW FW FW FW B1 B2 B2 B2 B2 B2 B2 SC B1 B1 B2 SC B1 SC B1
PoP 12hr                      5          30          50           5           5
QPF 12hr                      0           0        0.08           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                   C  C  C  C  C


Date          Wed 02/21/18  Thu 02/22/18  Fri 02/23/18  Sat 02/24/18
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          56    76      50    52      42    58      48    67
Temp          62 60 74 66   58 50 51 50   46 42 56 54   51 51 65 61
Dewpt         54 53 61 59   53 48 48 44   42 39 46 46   48 47 54 51
PWind dir         S    SW      NW    NE       E    SE       S    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC B1 B2   B2 OV OV OV   OV B2 B2 B2   B2 B2 B2 B2
PoP 12hr          5    50      60    70      50    50      40    40
Rain shwrs           C  C    L  L  L  L    C  C  C  C    C  C  C  C

$$
MDZ014-182100-
Annapolis MD
38.99N  76.49W Elev. 7 ft
1239 PM EST Sun Feb 18 2018

Date             Sun 02/18/18            Mon 02/19/18            Tue 02/20/18
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                      47          35          49          47          67
Temp                   44 45 42 40 38 37 37 43 47 49 48 48 48 47 50 58 64 66 63
Dewpt                  35 33 32 32 32 33 34 37 41 44 44 45 48 47 50 53 59 57 57
RH                     70 62 67 73 79 85 89 79 79 83 86 89100100100 83 84 73 81
Wind dir               NW SW SE SE  S  S  S  S  S  S  S  S  S  S SW SW SW  S  S
Wind spd                6  4  4  5  5  8  5  8  8  8  8  9  9  9  8 11 12 11 10
Clouds                 CL FW FW FW SC SC B1 B2 B2 OV OV B2 B2 B2 B2 SC B1 SC B1
PoP 12hr                      0           5          40          10           5
QPF 12hr                      0           0        0.05           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  C  C


Date          Wed 02/21/18  Thu 02/22/18  Fri 02/23/18  Sat 02/24/18
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          56    71      50    51      40    50      44    61
Temp          59 59 70 63   56 50 50 49   44 40 49 48   46 46 59 57
Dewpt         56 57 62 60   56 48 45 42   40 38 41 43   44 45 52 51
PWind dir        SW    SW      NW    NE      NE     E       S    SW
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC B1   B1 B2 OV OV   B2 B2 B2 B2   B2 B2 B2 B2
PoP 12hr          5    20      50    60      40    40      40    30
Rain shwrs              S    C  C  L  L    C  C  C  C    C  C  C  C

$$



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