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Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
1033 AM EDT Tue Aug 22 2017

VAZ054-222100-
Reagan National Airport-Arlington VA
38.86N  77.03W Elev. 66 ft
1033 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      95          76          84          66          80
Temp                84 92 93 87 82 80 78 78 82 83 82 77 72 70 68 69 76 79 78 73
Dewpt               74 72 70 70 72 71 71 71 68 66 62 63 63 60 60 59 60 56 57 60
RH                  72 52 47 57 72 74 79 79 63 57 51 62 73 71 76 70 58 45 48 64
Wind dir             S  S  S  S SW SW  W  W  N NW NW  N  N  N  N  N  N  N NW  N
Wind spd             9 12 13 12 10  6  5  6  8  8  8  6  5  3  5  4  5  3  5  3
Clouds              FW SC B1 B1 B1 B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     10          40          50          40           5
QPF 12hr                      0        0.01        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C  C  C  C  C  C  C  C  C  S
Tstms                         C  C  C  C        C  C  C  C
Heat index          91100 99 92 87 83       85 85 83
Max heat              100   101    90          86    85


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          64    79      61    78      61    78      63    78
Temp          67 68 78 72   65 65 77 71   65 65 77 72   66 67 77 73
Dewpt         59 58 55 59   56 57 54 58   57 58 56 58   59 59 57 61
PWind dir         N     N       N    NE      NE    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW SC FW   FW FW FW SC   FW FW SC SC   SC SC SC SC
PoP 12hr          5     5       5     5       5     5      10    10

$$
MDZ013-222100-
Baltimore/Washington Airport-Anne Arundel MD
39.19N  76.67W Elev. 154 ft
1033 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      93          74          83          63          80
Temp                83 90 91 85 80 78 76 76 80 82 81 75 70 67 65 67 75 79 78 72
Dewpt               74 73 70 71 71 71 71 70 67 64 62 62 63 59 59 58 59 56 59 59
RH                  74 58 50 63 74 79 85 82 65 55 53 64 78 75 81 73 58 45 52 64
Wind dir            SW SW  S  S SW SW  W  W NW NW NW  N  N  N  N  N  N NW NW  N
Wind spd             6 11 11  9  9  6  4  6  9  8  8  5  4  4  5  4  6  4  6  4
Clouds              FW SC B1 B1 B1 B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC FW
PoP 12hr                     20          40          40          30           5
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  C  C  C  S  S  C  C  C  S
Tstms                      S  C  C  C  C        C  C  C  S
Heat index          90 98 97 90 83          82 83 82
Max heat               98   100    88          84    83


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          61    78      59    77      59    78      61    78
Temp          65 65 77 70   63 63 76 70   63 64 76 71   65 65 77 72
Dewpt         58 57 54 58   55 54 52 56   55 56 55 58   57 58 57 59
PWind dir         N     N       N     N      NE    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW FW   FW FW FW FW   FW FW SC SC   SC SC SC SC
PoP 12hr          5     5       5     5       5     5      10    10

$$
MDZ011-222100-
Baltimore Inner Harbor-Baltimore City MD
39.28N  76.61W Elev. 20 ft
1033 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      94          75          83          66          80
Temp                84 91 92 86 81 79 77 77 81 82 81 76 72 70 68 69 76 79 78 73
Dewpt               74 72 70 71 71 71 71 70 66 63 61 61 63 60 60 58 58 56 59 59
RH                  72 54 49 61 72 77 82 79 60 53 51 60 73 71 76 68 54 45 52 62
Wind dir            SW  S  S  S SW SW  W NW NW NW NW NW NW  N  N  N  N NW NW  N
Wind spd             6 11 12 10  9  6  4  6  9  8  8  5  4  4  5  4  6  4  6  4
Clouds              FW SC B1 B1 B2 B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC FW
PoP 12hr                     20          50          30          30           5
QPF 12hr                      0        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  C  C  C  S  S  C  C  C  S
Tstms                      S  C  C  C  C        C  C  C  S
Heat index          91 99 98 91 85          83 83 82
Max heat               99   100    89          83    83


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          64    78      61    78      61    78      63    78
Temp          67 67 77 71   65 65 77 71   65 65 77 72   66 67 77 73
Dewpt         58 57 54 57   55 54 51 55   55 56 55 57   57 58 57 59
PWind dir         N     N       N     N      NE    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW FW   FW FW FW FW   FW FW SC SC   SC SC SC SC
PoP 12hr          5     5       5     5       5     5      10    10

$$
WVZ052-222100-
Martinsburg Airport-Berkeley WV
39.41N  77.98W Elev. 558 ft
1033 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      93          70          82          58          79
Temp                81 89 91 84 78 75 73 73 78 81 80 72 66 63 61 63 73 77 77 70
Dewpt               70 69 69 69 70 69 68 67 64 61 59 59 58 55 55 55 59 56 59 58
RH                  69 52 49 61 76 82 84 81 62 51 49 64 75 75 81 75 62 48 54 66
Wind dir            SW SW SW SW  W SW  W NW NW NW NW NW NW NW NW NW  N NW NW  N
Wind spd             6 11 10  9  6  5  5  6  8  8  8  5  4  2  3  2  4  3  5  3
Clouds              FW SC B1 B2 B2 B2 B2 B2 B1 SC SC SC SC FW FW SC FW SC SC SC
PoP 12hr                     20          60          20          20           5
QPF 12hr                      0        0.07           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  L  L  C  S        S  S  S
Tstms                      S  L  L  C           S  S  S
Heat index          85 94 96 88                82 81
Max heat               94    96    84          82    81


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          56    78      55    78      55    77      57    77
Temp          61 62 76 69   60 61 76 69   60 60 75 69   61 62 75 69
Dewpt         54 54 53 56   53 52 53 55   53 53 54 55   54 54 56 57
PWind dir        NW     N       N    NE      NE     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW FW   FW FW FW FW   FW FW SC SC   SC SC SC B1
PoP 12hr          5     5       5     5      10    10      10    10

$$
VAZ506-222100-
Washington Dulles Airport-Loudoun VA
38.96N  77.45W Elev. 321 ft
1033 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      95          73          83          62          79
Temp                82 90 93 86 80 78 76 75 80 82 81 74 69 66 65 66 74 78 77 71
Dewpt               72 71 70 70 71 71 71 70 67 65 62 62 61 59 58 57 59 56 58 59
RH                  72 54 47 59 74 79 85 84 65 56 53 66 76 78 78 73 59 47 52 66
Wind dir            SW SW SW  S SW SW  W NW  N NW NW  N  N  N  N  N  N NW NW  N
Wind spd             8 11 12 10  9  5  4  6  9  8  8  5  5  3  4  4  5  3  6  3
Clouds              FW SC B1 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     10          40          30          30           5
QPF 12hr                      0        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C  C  C  C  C  C  C  C  S
Tstms                         C  C  C  C        C  C  C  S
Heat index          87 96 99 91 83          82 84 82
Max heat               96   100    88          84    83


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          60    78      57    78      58    78      59    78
Temp          64 64 77 69   61 62 76 70   62 63 76 70   63 64 76 71
Dewpt         57 56 55 58   55 54 54 57   56 55 55 57   58 57 57 59
PWind dir         N     N       N     N      NE    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC FW   FW FW FW FW   FW FW SC SC   SC SC SC B1
PoP 12hr          5     5       5     5       5    10      10    10

$$
VAZ037-222100-
Charlottesville Airport-Albemarle VA
38.14N  78.45W Elev. 640 ft
1033 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      94          72          83          62          81
Temp                83 90 92 85 79 77 75 75 80 82 81 74 69 66 65 67 75 79 79 72
Dewpt               71 70 69 69 71 71 70 70 69 67 67 66 64 61 60 58 59 56 58 59
RH                  67 52 47 59 77 82 84 84 69 61 63 76 84 84 84 73 58 45 49 64
Wind dir             S SW SW  S SW SW SW  W  N NW  N NE  N  N  N  N  N  N NE NE
Wind spd             6 11 12  9  6  5  3  4  4  4  4  3  4  2  3  3  5  3  3  3
Clouds              CL FW B1 SC B1 SC B1 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC
PoP 12hr                      5          30          70          50           5
QPF 12hr                      0           0        0.09           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S  C  C  C  C  C  L  C  C  S
Tstms                         S  S  C  C        C  L  C  C
Heat index          88 96 97 89             83 85 83
Max heat               96    97    87          85    85                      80


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          60    80      58    79      58    78      58    79
Temp          64 65 78 71   63 63 77 70   62 63 76 70   62 63 77 71
Dewpt         58 57 56 58   56 56 57 59   57 57 56 58   57 57 56 58
PWind dir         N    NE      NE    NE       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC B1   SC SC SC B1
PoP 12hr          5     5      10    10      20    20      10    10
Rain shwrs                                 S  S  S  S
Tstms                                            S  S

$$
MDZ003-222100-
Hagerstown Airport-Washington MD
39.71N  77.73W Elev. 705 ft
1033 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      91          69          81          58          78
Temp                81 87 89 82 76 74 72 72 77 80 79 72 66 63 61 63 72 76 76 69
Dewpt               70 69 69 69 70 69 68 67 63 59 58 58 58 55 54 55 58 55 59 57
RH                  69 55 52 65 82 84 87 84 62 49 49 61 75 75 78 75 61 48 56 66
Wind dir            SW SW SW SW SW SW  W NW NW NW NW NW NW NW  N  N  N NW NW  N
Wind spd             8 11 11  9  8  6  5  8  8  8  9  5  4  3  4  3  4  3  6  3
Clouds              FW SC B1 B2 B2 B2 B2 B2 B1 SC FW SC SC FW FW FW FW SC SC SC
PoP 12hr                     30          60          20          10          10
QPF 12hr                      0        0.07           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  L  L  C  S           S
Tstms                      C  L  L  C              S
Heat index          85 91 94 85                81
Max heat               91    94    83          81


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          56    77      55    76      55    76      57    76
Temp          61 62 75 68   60 60 74 67   59 60 74 68   61 62 74 69
Dewpt         54 53 52 55   53 51 51 53   52 53 53 54   54 55 55 56
PWind dir         N     N       N    NE      NE     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW FW   FW FW FW FW   FW FW SC SC   SC SC SC SC
PoP 12hr          5     5       5     5       5    10      10    10

$$
MDZ017-222100-
Patuxent River NAS MD
38.29N  76.41W Elev. 39 ft
1033 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      91          76          84          68          80
Temp                83 88 90 85 81 79 78 78 82 83 82 77 73 71 70 71 76 79 79 75
Dewpt               73 75 74 72 73 74 73 72 72 71 68 68 66 64 64 63 63 61 60 62
RH                  72 66 60 65 77 85 85 82 72 67 63 74 79 79 81 76 64 54 52 64
Wind dir             S  S  S  S  S SW SW  W NW  N  N  N  N  N  N  N  N  N  N NE
Wind spd            10 13 14 12 12 12  9  8  9  8  8  5  6  5  9  9 10  6  5  5
Clouds              FW FW SC SC SC SC B1 B1 B2 B2 B2 B1 B1 B1 SC B1 SC SC SC SC
PoP 12hr                     10          20          70          50          10
QPF 12hr                      0           0        0.14        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S  S  S  S  S  C  L  C  C  C
Tstms                         S  S  S  S        C  L  C  C
Heat index          89 98 99 91 86          87 88 85
Max heat               98   101    88          88    87


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          67    79      64    78      64    78      65    78
Temp          70 69 78 73   67 67 77 72   67 67 77 73   68 68 77 73
Dewpt         62 62 59 59   58 60 56 59   59 60 58 59   60 61 60 62
PWind dir         N     N       N    NE      NE    NE      NE    NE
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC FW SC FW   FW FW FW FW   FW FW SC SC   SC SC SC SC
PoP 12hr          5     5       5     5       5     5      10    10

$$
WVZ502-222100-
Petersburg WV
38.99N  79.15W Elev. 963 ft
1033 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      89          68          79          56          76
Temp                77 85 87 80 75 72 71 71 76 78 77 70 64 61 59 61 70 74 74 67
Dewpt               67 67 67 68 68 67 67 66 65 60 58 59 57 56 54 55 57 54 58 58
RH                  71 55 52 67 79 84 87 84 69 54 52 68 78 84 83 81 63 50 57 73
Wind dir            SW SW SW SW SW SW  W NW NW NW NW NW NW  W  W  W NW NW NW  N
Wind spd             8 10 10  6  5  5  3  3  4  6  8  4  3  1  3  1  3  3  5  3
Clouds              FW SC B1 B2 OV B2 B2 B2 B1 B1 SC SC SC FW FW FW SC SC SC SC
PoP 12hr                     20          60          20          20           5
QPF 12hr                      0        0.19        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  L  L  C  S  S  S  S  S  S  S
Tstms                      S  L  L  C           S  S  S  S
Heat index             88 90 83
Max heat               88    91


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          55    76      53    75      56    75      56    76
Temp          59 60 74 67   58 58 73 67   60 61 73 67   60 61 74 68
Dewpt         54 53 52 55   53 52 56 57   54 55 56 57   54 54 56 57
PWind dir        NW     N       E     N      SE     E      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   FW SC SC SC   SC SC SC B1   SC SC B1 B1
PoP 12hr          5     5       5    20      10    20      20    20
Rain shwrs                         S  S          S  S          S  S
Tstms                                            S  S          S  S

$$
MDZ014-222100-
Annapolis MD
38.99N  76.49W Elev. 7 ft
1033 AM EDT Tue Aug 22 2017

Date             Tue 08/22/17            Wed 08/23/17            Thu 08/24/17
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                      92          76          83          67          79
Temp                83 89 90 85 81 79 78 78 81 82 81 76 72 70 69 70 75 78 78 73
Dewpt               74 75 74 72 72 72 71 71 69 67 64 64 64 62 62 60 61 59 60 61
RH                  74 64 60 65 74 79 79 79 67 61 56 66 76 76 78 71 62 52 54 66
Wind dir             S  S  S  S SW SW  W  W  N NW  N  N  N  N  N  N  N  N  N  N
Wind spd             9 13 14 13 11  8  5  8  9  8  8  5  4  4  8  6  8  5  5  4
Clouds              FW SC B1 SC B1 B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC FW
PoP 12hr                     10          40          50          40           5
QPF 12hr                      0        0.01        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C  C  C  S  S  C  C  C  C  S
Tstms                         C  C  C  C        C  C  C  C
Heat index          90 99 99 91 85          84 85 83
Max heat               99   102    90          85    84


Date          Fri 08/25/17  Sat 08/26/17  Sun 08/27/17  Mon 08/28/17
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          65    77      63    77      63    77      64    77
Temp          68 67 76 71   66 66 76 71   66 66 76 72   67 67 76 72
Dewpt         59 59 56 59   57 56 54 57   57 58 57 59   59 60 59 61
PWind dir         N     N       N    NE      NE    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW FW   FW FW FW FW   FW FW SC SC   SC SC SC SC
PoP 12hr          5     5       5     5      10    10      10    10

$$



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