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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
431 AM EDT FRI APR 18 2014

VAZ054-182100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N  77.03W ELEV. 66 FT
431 AM EDT FRI APR 18 2014

DATE             FRI 04/18/14            SAT 04/19/14            SUN 04/20/14
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                      57          45          66          47          66
TEMP          40 43 47 55 56 53 50 48 46 50 59 64 64 59 54 51 49 52 60 64 64 58
DEWPT         32 32 34 32 35 36 37 39 40 40 41 39 37 37 38 36 38 37 36 35 36 38
RH            73 65 60 41 45 52 61 71 79 68 51 40 37 44 54 56 66 56 41 34 35 47
WIND DIR       E NE NE  E SE  S  S  W  S NW NE NE  E  E  N  N NE NE  E  E  E  E
WIND SPD       4  6  5  6  8  4  3  2  4  4 13  8  8  8  5  3  4  5  5  4  6  4
CLOUDS        OV OV B2 B2 B2 B2 OV B2 B1 SC SC SC SC FW FW FW FW FW FW FW FW SC
POP 12HR                      5          10          10           5           5
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          MON 04/21/14  TUE 04/22/14  WED 04/23/14  THU 04/24/14
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          43    72      51    76      52    69      46    69
TEMP          48 50 69 64   56 57 74 67   57 56 68 61   51 52 67 62
DEWPT         37 36 41 48   47 50 53 54   49 46 41 42   41 41 43 47
PWIND DIR         E    SE      SW     W      NW    NW      NW     W
WIND CHAR        LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    SC SC B1 B1   B1 B1 B2 B2   SC SC SC FW   FW FW FW FW
POP 12HR         10    10       5    40      10     5      10    10
RAIN SHWRS                         C  C

$$
MDZ014-182100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N  76.67W ELEV. 154 FT
431 AM EDT FRI APR 18 2014

DATE             FRI 04/18/14            SAT 04/19/14            SUN 04/20/14
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                      56          41          65          41          65
TEMP          37 42 45 54 55 50 47 44 43 47 57 63 63 56 50 46 44 47 57 63 63 57
DEWPT         31 32 33 31 33 35 35 38 38 39 39 37 37 37 36 33 36 34 33 33 33 33
RH            79 67 62 41 43 56 63 79 82 74 51 38 38 49 58 60 73 60 40 32 32 40
WIND DIR       E NE NE  E  S  S SW  W  S  N NE NE NE NE  N NE NE NE  E  E SE SE
WIND SPD       6  4  3  4  3  4  3  3  1  2  8  5  5  8  3  3  3  5  5  4  5  3
CLOUDS        OV OV B2 B2 B2 B2 B2 B2 SC SC SC SC SC FW FW FW FW FW FW FW FW SC
POP 12HR                      5           5           5           5           0
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          MON 04/21/14  TUE 04/22/14  WED 04/23/14  THU 04/24/14
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    71      50    75      51    65      41    68
TEMP          47 49 68 63   55 56 73 66   56 54 64 56   46 48 66 61
DEWPT         33 35 40 47   47 49 52 53   48 45 41 41   39 40 42 46
PWIND DIR        SE     S       S    SW      NW    NW      NW     W
WIND CHAR        LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    SC SC B1 B1   B1 B1 B2 B2   SC SC SC SC   FW FW FW FW
POP 12HR         10    10       5    40      10    10      10    10
RAIN SHWRS                         C  C

$$
MDZ011-182100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N  76.61W ELEV. 20 FT
431 AM EDT FRI APR 18 2014

DATE             FRI 04/18/14            SAT 04/19/14            SUN 04/20/14
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                      57          46          66          49          65
TEMP          38 43 46 55 56 53 50 49 47 51 60 64 65 60 56 53 51 53 60 64 63 57
DEWPT         31 32 33 32 33 35 36 37 38 39 39 37 37 36 36 32 36 33 34 34 35 35
RH            76 65 60 41 42 50 58 63 71 63 46 37 35 41 47 44 56 46 37 32 35 43
WIND DIR       E NE  E SE  S  S SW  W  E  N NE NE  N  N  N NE NE NE  E  E SE SE
WIND SPD       6  6  4  6  5  5  4  3  3  3 12  8  9 10  4  2  3  5  5  4  5  3
CLOUDS        OV OV B2 B1 B2 B2 B2 B2 SC SC SC SC SC FW FW FW FW FW FW FW FW SC
POP 12HR                      5           5           5           0           0
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
FROST          Y


DATE          MON 04/21/14  TUE 04/22/14  WED 04/23/14  THU 04/24/14
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    71      50    75      51    67      47    68
TEMP          47 49 68 63   55 56 73 66   56 55 66 60   52 52 66 61
DEWPT         35 36 41 47   47 49 52 53   48 45 41 42   40 40 42 46
PWIND DIR        SE     S       S    SW      NW    NW      NW     W
WIND CHAR        LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    SC SC B1 B1   B1 B1 B2 B2   SC SC SC SC   FW FW FW FW
POP 12HR         10    10       5    40      10    10      10    10
RAIN SHWRS                         C  C

$$
WVZ052-182100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N  77.98W ELEV. 558 FT
431 AM EDT FRI APR 18 2014

DATE             FRI 04/18/14            SAT 04/19/14            SUN 04/20/14
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                      57          40          66          39          66
TEMP          35 40 47 55 55 51 47 44 42 46 58 64 64 56 49 45 42 46 57 64 64 57
DEWPT         29 30 34 33 34 37 38 37 36 37 37 35 32 31 35 33 35 33 32 31 32 34
RH            78 67 60 43 45 59 71 76 79 71 45 34 30 38 58 62 76 60 38 29 30 42
WIND DIR       E  E SE SE  S  S  S  S  N  N  N NE NE NE  N NE NE  N  E SE SE SE
WIND SPD       2  2  5  9 11  6  5  3  3 10 12  9  8  6  3  2  2  2  3  4  4  5
CLOUDS        FW B1 B1 B1 B1 B1 B2 B1 FW FW FW FW FW FW FW FW FW FW FW FW FW B1
POP 12HR                      0          10           5           0           0
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          MON 04/21/14  TUE 04/22/14  WED 04/23/14  THU 04/24/14
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    72      50    75      49    64      40    70
TEMP          47 49 69 64   55 56 73 66   55 53 63 55   45 48 67 62
DEWPT         35 36 41 49   47 49 52 51   46 43 40 42   40 40 43 49
PWIND DIR        SE     S      SW     W      NW    NW      NW    SW
WIND CHAR        LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    B1 B1 B1 B1   B2 B2 B2 B2   SC SC SC SC   SC FW FW FW
POP 12HR         10    10      20    40      10    10      10    10
RAIN SHWRS                      S  C  C

$$
VAZ042-182100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N  77.45W ELEV. 321 FT
431 AM EDT FRI APR 18 2014

DATE             FRI 04/18/14            SAT 04/19/14            SUN 04/20/14
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                      57          41          66          42          64
TEMP          36 41 46 55 56 51 47 45 43 47 58 64 64 57 51 47 45 47 57 62 62 56
DEWPT         30 31 31 33 33 35 38 39 38 39 38 38 37 35 36 35 36 34 33 33 33 34
RH            79 67 55 43 42 54 71 79 82 74 47 38 37 43 56 63 70 60 40 33 33 43
WIND DIR       E  E  E SE  S  S  S  S  S  N NE NE NE NE  N  N  N NE  E  E SE SE
WIND SPD       3  4  2  6  8  4  4  2  2  3 12  8  6  8  3  3  3  3  4  4  5  4
CLOUDS        B1 B1 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC FW FW FW FW FW FW FW FW SC
POP 12HR                      5          10           5           5           0
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
FROST          Y


DATE          MON 04/21/14  TUE 04/22/14  WED 04/23/14  THU 04/24/14
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    71      50    75      51    65      41    69
TEMP          47 49 68 63   55 56 73 66   56 54 64 56   46 48 67 62
DEWPT         34 35 40 48   47 49 52 53   48 45 41 42   40 41 43 47
PWIND DIR        SE     S      SW     W      NW    NW      NW     W
WIND CHAR        LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    SC SC B1 B1   B1 B1 B2 B2   SC SC SC FW   FW FW FW FW
POP 12HR         10    10       5    40      10    10      10    10
RAIN SHWRS                         C  C

$$
VAZ037-182100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N  78.45W ELEV. 640 FT
431 AM EDT FRI APR 18 2014

DATE             FRI 04/18/14            SAT 04/19/14            SUN 04/20/14
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          66          44          66
TEMP          37 42 48 56 57 52 48 46 44 48 58 64 64 58 53 49 47 49 59 64 64 57
DEWPT         31 32 32 32 34 37 37 37 37 39 40 39 39 37 38 38 38 36 35 34 35 36
RH            79 67 54 40 42 56 65 71 76 71 51 40 40 45 57 66 71 61 40 32 34 45
WIND DIR       N NE  E SE SE SE SE  N  S  N NE NE  E  E NE  N  N  N NE  E  E SE
WIND SPD       3  2  3  4  1  3  2  2  3  3 10 10  8  4  2  1  1  2  4  4  4  4
CLOUDS        B1 B1 B1 B1 B2 OV OV OV B2 B1 B1 SC SC SC SC FW FW FW FW FW FW B1
POP 12HR                      5          10          10           5           0
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          MON 04/21/14  TUE 04/22/14  WED 04/23/14  THU 04/24/14
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    72      50    77      49    67      42    72
TEMP          47 49 69 64   55 57 75 67   55 53 65 58   48 50 69 64
DEWPT         36 37 41 47   47 49 52 52   48 45 41 44   41 42 44 50
PWIND DIR         S    SE      SW     W      NW    NW      NW    SW
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 SC B1 B1   B1 B1 B2 B2   SC SC SC FW   FW FW FW FW
POP 12HR         10    10      10    40      10     5      10    10
RAIN SHWRS                         C  C

$$
MDZ003-182100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N  77.73W ELEV. 705 FT
431 AM EDT FRI APR 18 2014

DATE             FRI 04/18/14            SAT 04/19/14            SUN 04/20/14
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                      57          41          64          40          68
TEMP          36 41 46 55 56 51 47 45 43 47 57 62 62 55 49 45 43 47 59 66 66 58
DEWPT         30 30 32 32 34 36 36 35 35 35 37 35 32 32 34 30 34 31 30 30 31 33
RH            79 65 58 41 43 56 65 68 73 63 47 36 32 41 56 55 70 53 33 26 27 39
WIND DIR       E  E  S  S  S  S  S  S  N  N  N  N  N  E  N NE NE NE  E SE SE SE
WIND SPD       2  2  4  6 11  9  6  5  2 11 10  9  9  9  3  3  2  2  3  4  5  6
CLOUDS        FW B1 B1 B1 B1 B1 B1 B1 FW FW FW FW FW FW FW FW FW FW FW FW FW B1
POP 12HR                      0          10           5           0           0
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          MON 04/21/14  TUE 04/22/14  WED 04/23/14  THU 04/24/14
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    71      50    73      48    63      39    68
TEMP          48 49 68 63   55 56 71 64   54 52 62 54   44 46 65 60
DEWPT         34 35 40 48   46 48 51 50   45 42 39 41   38 39 41 47
PWIND DIR        SE     S      SW     W      NW    NW      NW     W
WIND CHAR        LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    B1 B1 B1 B1   B2 B2 B2 B2   SC SC SC SC   SC FW FW FW
POP 12HR         10    10      20    40       5     5      10    10
RAIN SHWRS                      S  C  C

$$
MDZ017-182100-
PATUXENT RIVER NAS MD
38.29N  76.41W ELEV. 39 FT
431 AM EDT FRI APR 18 2014

DATE             FRI 04/18/14            SAT 04/19/14            SUN 04/20/14
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                      53          43          64          46          64
TEMP          40 43 46 52 52 49 47 45 44 48 57 62 63 57 53 50 48 50 58 62 63 57
DEWPT         34 35 34 35 34 37 38 40 40 42 42 40 38 38 40 39 40 38 37 37 37 38
RH            79 73 63 52 50 63 71 82 86 80 57 44 39 49 61 66 74 63 45 39 38 49
WIND DIR      NE NE  N  N NW SE  S  W  S  N  N  N NE SE NE NE NE NE  E  E  E  E
WIND SPD      10 10  8  4  3  3  3  2  2  4 10  6  3  6  6  4  6  9 10  9  9  6
CLOUDS        OV OV OV B2 OV OV OV OV B2 B2 B1 B1 B1 SC SC SC SC FW FW FW FW SC
POP 12HR                      5          10          10           5           5
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          MON 04/21/14  TUE 04/22/14  WED 04/23/14  THU 04/24/14
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          46    67      51    71      53    63      44    64
TEMP          50 51 65 61   55 56 69 64   57 55 62 56   48 49 62 59
DEWPT         38 39 43 49   49 50 54 54   51 47 44 45   42 42 44 48
PWIND DIR        NE    NE       S    SW       W    NW      NW     W
WIND CHAR        LT    LT      LT    LT      GN    GN      LT    LT
AVG CLOUDS    SC SC B1 B1   B1 B1 B2 B2   SC SC SC FW   FW FW FW FW
POP 12HR         10    10       5    30      20     5      10    10
RAIN SHWRS                         C  C    S  S

$$
WVZ502-182100-
PETERSBURG WV
38.99N  79.15W ELEV. 963 FT
431 AM EDT FRI APR 18 2014

DATE             FRI 04/18/14            SAT 04/19/14            SUN 04/20/14
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          41          66          39          69
TEMP          37 44 53 63 63 56 50 46 44 47 58 64 64 56 49 45 42 46 59 66 67 60
DEWPT         30 33 35 34 36 36 41 41 39 39 39 38 36 38 38 36 38 36 34 33 36 40
RH            75 65 50 34 36 47 71 83 82 74 49 38 35 51 66 70 86 68 39 29 32 47
WIND DIR       S SE NE SE SE SE  S  S  S NE NE NE NE  E NE  N  S SE SE SE SE SE
WIND SPD       5  2  2  1  6  6  6  3  4  8  6  4  4  6  2  1  0  1  2  3  3  5
CLOUDS        SC B1 B1 B2 B2 B2 B1 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW B1
POP 12HR                      5          10           5           0           0
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          MON 04/21/14  TUE 04/22/14  WED 04/23/14  THU 04/24/14
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    78      53    76      49    67      41    75
TEMP          50 53 75 69   59 59 74 66   55 53 65 58   47 50 72 66
DEWPT         40 38 43 51   50 51 53 52   48 45 42 44   42 43 47 52
PWIND DIR         S     S      SW     W      NW    NW       W     W
WIND CHAR        LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    B1 B1 B1 B2   B2 B2 OV B2   SC SC SC SC   SC FW SC SC
POP 12HR         10    10      20    40      10     5      10    10
RAIN SHWRS                      S  C  C

$$
MDZ014-182100-
ANNAPOLIS MD
38.99N  76.49W ELEV. 7 FT
431 AM EDT FRI APR 18 2014

DATE             FRI 04/18/14            SAT 04/19/14            SUN 04/20/14
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                      54          45          64          47          64
TEMP          41 43 45 53 53 51 48 47 46 50 58 62 63 58 54 51 49 51 59 62 62 56
DEWPT         32 34 34 33 34 36 39 41 41 41 40 38 38 39 39 37 39 38 37 36 36 37
RH            70 70 65 46 48 56 71 79 83 71 51 41 39 49 57 59 68 61 44 38 38 49
WIND DIR       E NE NE  E SW  S SW  W  S NW  N NE  E NE NE NE NE NE  E  E  E  E
WIND SPD       8  8  6  4  4  5  5  4  4  5 12  8  8 11  6  4  5  8  8  5  8  5
CLOUDS        OV OV OV B2 B2 B2 OV B2 B1 SC SC SC SC FW FW FW FW FW FW FW FW SC
POP 12HR                      5          10          10           5           0
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          MON 04/21/14  TUE 04/22/14  WED 04/23/14  THU 04/24/14
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    67      50    72      52    62      41    65
TEMP          47 48 65 61   54 55 70 65   57 54 61 54   46 47 63 59
DEWPT         37 38 42 48   47 49 53 54   49 45 42 43   40 40 42 46
PWIND DIR         E    SE      SW     W      NW    NW      NW     W
WIND CHAR        LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    SC SC SC B1   B1 B1 B2 B2   SC SC SC SC   FW FW FW FW
POP 12HR         10    10       5    30      10    10      10    10
RAIN SHWRS                         C  C

$$



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