Point Forecast Matrices
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Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
1035 AM EDT Sat Apr 21 2018

VAZ054-212100-
Reagan National Airport-Arlington VA
38.86N  77.03W Elev. 66 ft
1035 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      63          45          64          47          66
Temp                53 60 63 57 50 47 45 48 58 61 64 59 52 49 47 50 59 64 66 61
Dewpt               28 27 27 31 32 33 34 35 33 33 34 35 35 37 35 39 37 36 34 35
RH                  38 28 25 37 50 58 65 60 39 35 32 40 52 63 63 66 44 35 30 38
Wind dir            NW NW NW NW SW SW NE  E  E SE SE SE SE SE SE  E SE SE SE SE
Wind spd             8  8  8  6  5  4  5  6  8  6  8  8  6  3  5  4  9  9 13  9
Clouds              FW SC SC B1 B2 B2 OV B2 OV B2 B2 SC SC SC SC SC SC SC B1 B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          48    61      54    64      53    65      51    70
Temp          49 50 60 58   56 56 63 60   56 56 64 60   54 55 68 63
Dewpt         38 44 49 50   52 53 54 54   52 51 51 50   48 49 47 49
PWind dir        SE     E       E    NE      NW    NW      NW    SW
Wind char        LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B1 B2 OV OV   OV OV OV B2   B2 B2 B2 B1   B1 B1 SC B1
PoP 12hr         30    70      90    80      50    50      30    30
Rain              C  L  L    D  D
Rain shwrs                         D  D    C  C  C  C    C  C  C  C

$$
MDZ013-212100-
Baltimore/Washington Airport-Anne Arundel MD
39.19N  76.67W Elev. 154 ft
1035 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      62          41          63          42          65
Temp                51 58 62 55 47 44 41 44 56 59 63 57 48 44 42 47 58 64 65 59
Dewpt               27 27 27 30 32 33 32 32 30 29 30 32 33 35 34 37 35 35 33 34
RH                  39 30 26 38 56 65 70 62 37 32 29 38 56 70 73 68 42 34 30 39
Wind dir            NW NW NW  W SW NW NE NE  E SE SE SE  S  S SE  E SE SE SE SE
Wind spd             4  5  6  3  2  2  3  3  5  4  5  3  3  1  2  1  5  6 10  6
Clouds              FW SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          44    62      52    63      51    65      49    69
Temp          45 49 60 58   54 55 62 59   54 54 64 59   53 54 67 62
Dewpt         36 42 47 49   51 52 54 53   50 50 50 49   47 48 46 47
PWind dir        SE     E       E    NE       N    NW       W    SW
Wind char        LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B1 B2 B2 OV   OV OV OV B2   B2 B2 B2 B2   B1 B1 SC B1
PoP 12hr         20    60      90    80      50    50      30    40
Rain              S  L  L    D  D
Rain shwrs                         D  D    C  C  C  C    C  C  C  C

$$
MDZ011-212100-
Baltimore Inner Harbor-Baltimore City MD
39.28N  76.61W Elev. 20 ft
1035 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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          46          63          48          66
Temp                51 58 61 56 51 48 46 48 57 60 63 59 53 50 48 52 61 65 66 61
Dewpt               27 27 27 30 32 32 31 32 30 30 30 32 33 35 34 37 34 35 33 35
RH                  39 30 27 37 48 54 55 54 35 32 29 36 46 56 58 56 36 33 29 38
Wind dir            NW NW  W NW  W  N NE NE  E SE  S SE  S  S  E  E SE SE SE SE
Wind spd             5  6  6  3  2  2  3  3  5  3  4  3  3  1  2  1  5  5 10  5
Clouds              FW SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC FW SC SC SC SC SC SC SC
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          48    62      52    64      52    65      50    69
Temp          49 49 60 58   54 55 63 60   55 55 64 59   53 54 67 62
Dewpt         36 42 46 49   51 52 54 53   51 50 50 50   48 48 47 47
PWind dir        SE     E       E    NE       N    NW       W    SW
Wind char        LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B1 B2 B2 OV   OV OV OV B2   B2 B2 B2 B2   B1 B1 SC B1
PoP 12hr         20    60      90    80      50    50      30    40
Rain              S  L  L    D  D
Rain shwrs                         D  D    C  C  C  C    C  C  C  C

$$
WVZ052-212100-
Martinsburg Airport-Berkeley WV
39.41N  77.98W Elev. 558 ft
1035 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      62          38          63          40          66
Temp                50 58 62 53 44 41 38 41 53 59 63 56 47 43 40 43 56 63 66 59
Dewpt               28 28 28 31 30 31 30 32 34 35 37 37 36 35 33 36 38 38 38 36
RH                  42 32 27 43 57 67 73 70 48 40 38 49 65 73 76 76 51 39 36 42
Wind dir            NW NW  N  E NE NE NE NE  E SE SE  E SE SE  E  E SE SE SE SE
Wind spd             4  4  4  3  3  2  3  3  6  5  5  4  3  1  3  1  8  6 11  5
Clouds              FW SC B1 B1 B2 OV OV B2 B2 B1 B1 SC SC SC SC SC SC B1 B1 B1
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          S


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          42    58      49    61      48    64      46    67
Temp          45 46 57 55   51 52 60 56   51 52 63 57   50 51 65 59
Dewpt         34 40 47 48   48 48 51 51   47 47 48 48   43 45 45 45
PWind dir        SE     E       E     N      NW    NW       W     W
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2 OV OV   OV OV OV B2   B2 B2 B2 B1   B1 B1 B1 B1
PoP 12hr         50    70      90    80      50    50      30    40
Rain           S  C  L  L    D  D
Rain shwrs                         D  D    C  C  C  C    C  C  C  C

$$
VAZ506-212100-
Washington Dulles Airport-Loudoun VA
38.96N  77.45W Elev. 321 ft
1035 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      62          40          63          42          66
Temp                52 59 62 54 45 42 40 44 55 59 63 57 48 44 42 47 58 64 66 59
Dewpt               28 27 27 30 32 32 33 35 34 34 35 36 36 36 34 38 37 36 35 35
RH                  39 29 26 40 60 67 76 70 45 39 35 45 63 73 73 71 45 35 32 40
Wind dir            NW NW NW NE  E SE NE  E  E SE SE SE SE SE SE  E SE SE SE SE
Wind spd             4  5  5  3  2  2  3  4  5  5  5  5  4  1  3  2  6  8 11  6
Clouds              FW SC SC B1 B2 OV OV OV OV B2 B2 B1 SC B1 SC SC SC B1 B1 B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          45    60      52    64      51    65      49    69
Temp          46 48 59 57   54 55 63 59   54 54 64 59   53 54 67 62
Dewpt         36 43 48 50   51 52 53 53   50 50 49 50   46 47 46 47
PWind dir        SE     E       E     N      NW     W       W    SW
Wind char        LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2 OV OV   OV OV OV B2   B2 B2 B2 B1   B1 B1 B1 B1
PoP 12hr         40    70      90    80      50    50      30    40
Rain              C  L  L    D  D
Rain shwrs                         D  D    C  C  C  C    C  C  C  C

$$
VAZ037-212100-
Charlottesville Airport-Albemarle VA
38.14N  78.45W Elev. 640 ft
1035 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      65          40          66          42          66
Temp                54 62 65 55 48 44 40 44 57 63 66 58 51 47 42 46 58 64 65 57
Dewpt               28 29 30 32 33 33 34 36 38 38 40 40 39 37 34 37 38 37 38 36
RH                  36 28 27 41 56 65 79 73 49 39 38 51 63 68 73 71 47 37 37 45
Wind dir            SE  S  S SE NE  E  E SE  E SE SE  E  E  E  E  E SE SE SE SE
Wind spd             2  3  3  4  3  2  2  2  4  5  6  6  4  2  2  2  8  9 10  8
Clouds              FW FW SC B1 B2 OV OV OV B2 OV OV B2 B1 B1 SC B1 B1 B2 B2 OV
PoP 12hr                      0           0           5          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    S  S  C


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          44    58      50    66      49    67      47    70
Temp          47 47 57 55   52 54 65 60   53 53 65 60   52 52 68 61
Dewpt         37 44 49 50   49 50 52 52   48 49 48 49   44 46 45 47
PWind dir         E     E      NE     N      NW     W       W    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV OV OV OV   OV OV OV B2   B2 B2 B2 B1   B1 SC SC B1
PoP 12hr         70    90      90    70      40    50      30    40
Rain           C  L  D  D    D  D
Rain shwrs                         L  L    C  C  C  C    C  C  C  C

$$
MDZ003-212100-
Hagerstown Airport-Washington MD
39.71N  77.73W Elev. 705 ft
1035 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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          61          40          64
Temp                48 56 60 51 45 41 39 42 52 59 61 55 47 44 40 43 55 61 64 58
Dewpt               27 28 27 29 29 29 28 31 31 33 35 35 34 34 32 35 37 37 37 36
RH                  44 34 28 42 53 62 64 65 44 37 38 47 60 68 73 73 51 41 37 44
Wind dir            NW NW NW  N NE NE NE NE  E SE SE SE SE SE  E  E SE SE SE SE
Wind spd             4  5  5  4  4  3  4  4  6  5  5  4  3  2  3  2  8  8 11  6
Clouds              FW SC B1 B2 B2 B2 OV B2 B1 B1 SC SC SC SC SC SC SC SC B1 B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                          S


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          42    58      49    60      49    61      46    66
Temp          45 46 57 55   51 52 59 56   52 52 60 55   49 51 64 59
Dewpt         33 39 45 47   48 48 51 51   47 47 48 48   43 45 44 45
PWind dir        SE    SE       E    NE      NW    NW       W    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B2 OV OV   OV OV OV OV   B2 B2 B2 B1   B1 B1 B1 B1
PoP 12hr         40    60      90    80      50    60      40    40
Rain           S  C  L  L    D  D
Rain shwrs                         D  D    C  C  L  L    C  C  C  C

$$
MDZ017-212100-
Patuxent River NAS MD
38.29N  76.41W Elev. 39 ft
1035 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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          42          61          44          63
Temp                52 56 58 50 45 44 42 47 57 60 60 54 48 45 44 49 57 62 62 56
Dewpt               30 31 32 35 35 37 36 38 37 38 36 38 38 39 38 40 39 38 36 38
RH                  43 38 37 56 68 76 79 71 47 44 41 54 68 79 79 71 51 41 38 51
Wind dir             N NE SE  S  S SW NW NE  E SE SE SE SE SE SE  E SE SE SE  E
Wind spd             5  5  5  4  5  4  4  4  4  4  6  5  5  3  4  3  6 10 12  8
Wind gust                                                                 24
Clouds              FW FW FW SC B1 B2 B2 B2 OV B2 OV B1 SC SC SC SC SC SC B1 B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          48    62      54    65      53    66      52    68
Temp          48 51 61 59   56 57 64 61   56 56 65 61   55 56 67 62
Dewpt         42 46 50 51   53 54 56 54   52 52 51 51   49 49 49 50
PWind dir         E     E       E    NE      NW     W      SW    SW
Wind char        GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B2 B2 OV OV   OV OV OV B2   B2 B2 B2 B1   B1 B1 SC SC
PoP 12hr         30    60      90    70      40    40      30    30
Rain              C  L  L    D  D
Rain shwrs                         L  L    C  C  C  C    C  C  C  C

$$
WVZ502-212100-
Petersburg WV
38.99N  79.15W Elev. 963 ft
1035 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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                      64          37          64          43          65
Temp                46 60 64 55 45 39 37 40 53 62 64 59 51 46 43 45 57 63 65 59
Dewpt               27 28 27 30 31 30 31 34 37 40 41 42 41 39 36 39 38 39 42 39
RH                  47 29 24 38 58 70 79 79 54 44 43 53 68 76 76 79 49 41 43 47
Wind dir            NE NE NE NE  N  N  N  N  E  E SE  E SE SE SE SE SE SE SE SE
Wind spd             2  3  4  3  2  2  2  2  3  4  4  4  3  2  3  1  8  9 10  5
Clouds              FW SC B1 B2 B2 OV OV B2 B2 B2 OV B2 B1 B1 SC B1 B1 B1 B2 OV
PoP 12hr                      0           0           5           5          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    C  C  C


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          44    56      49    62      48    63      46    66
Temp          46 47 55 53   51 52 61 57   51 51 62 57   50 51 64 58
Dewpt         35 42 46 48   47 47 51 50   46 46 47 47   42 44 45 45
PWind dir        SE     E      NE     N      NW     W       W    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV OV OV OV   OV OV OV B2   B2 B2 B2 B1   B1 B1 B1 B1
PoP 12hr         70    80      90    80      50    60      40    40
Rain           C  L  D  D    D  D
Rain shwrs                         D  D    C  C  L  L    C  C  C  C

$$
MDZ014-212100-
Annapolis MD
38.99N  76.49W Elev. 7 ft
1035 AM EDT Sat Apr 21 2018

Date             Sat 04/21/18            Sun 04/22/18            Mon 04/23/18
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
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          43          61          44          64
Temp                51 56 59 52 48 45 43 46 56 59 61 55 49 45 44 47 58 63 64 58
Dewpt               28 30 31 33 35 35 34 34 33 33 32 35 35 37 36 37 37 37 35 37
RH                  41 37 34 48 60 68 70 63 42 37 33 47 58 73 73 68 45 38 34 45
Wind dir            NW  N  E SW SW  W NE NE  E SE SE  S  S  S SE  E SE SE SE SE
Wind spd             5  6  5  4  3  3  4  5  5  4  5  4  4  2  2  2  5  8 10  8
Clouds              FW SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Tue 04/24/18  Wed 04/25/18  Thu 04/26/18  Fri 04/27/18
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          45    61      52    63      52    64      51    68
Temp          45 49 60 58   54 55 62 59   55 55 63 59   54 55 66 62
Dewpt         38 43 48 50   52 52 55 54   51 51 51 50   48 48 47 49
PWind dir        SE     E       E    NE      NW     W       W    SW
Wind char        LT    GN      GN    LT      LT    LT      LT    GN
Avg clouds    B1 B2 B2 OV   OV OV OV B2   B2 B2 B2 B2   B1 B1 SC B1
PoP 12hr         20    60      90    80      50    50      30    30
Rain              S  L  L    D  D
Rain shwrs                         D  D    C  C  C  C    C  C  C  C

$$



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