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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1232 PM EST THU DEC 18 2014

VAZ054-182100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N  77.03W ELEV. 66 FT
1232 PM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
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                      43          32          46          31          43
TEMP                   41 42 38 36 35 34 34 40 44 44 39 37 35 34 33 38 42 42 39
DEWPT                  21 23 26 25 25 26 25 25 26 26 27 26 25 25 22 23 22 23 26
RH                     44 46 62 64 66 72 69 55 49 49 62 64 66 69 63 54 44 46 59
WIND DIR               NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD               12 11  5  6  6  6  6 11 11  9  6  5  4  3  3  3  3  2  1
CLOUDS                 B1 SC B1 B2 B2 SC SC FW SC SC SC SC SC SC SC B1 B2 B1 B1
POP 12HR                     10          10           0          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          34    44      34    44      37    51      44    56
TEMP          37 36 43 39   37 36 43 41   39 39 49 48   46 46 55 46
DEWPT         25 24 27 26   27 28 33 35   37 35 41 41   43 44 47 38
PWIND DIR        NW    NE       E    NE      NE    SE      SE    SW
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B2 B1 SC   B1 B1 B2 B2   B2 B2 B2 B2   B2 OV OV B2
POP 12HR         10     5      20    50      40    30      60    70
RAIN                         S  S  C  C    C  C  C  C    L  L  L  L
SNOW                         S  S

$$
MDZ014-182100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N  76.67W ELEV. 154 FT
1232 PM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
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                      41          28          43          27          41
TEMP                   41 40 35 33 32 31 30 36 41 41 35 33 32 30 29 35 39 39 35
DEWPT                  22 23 25 25 25 26 26 25 26 26 26 25 25 24 22 22 22 24 26
RH                     46 50 66 72 75 81 85 64 55 55 69 72 75 78 75 59 50 54 69
WIND DIR               NW NW  W NW  W  W  W NW NW NW NW NW NW NW NW NW NW NW  N
WIND SPD               13 12  6  8  8  8  8 11 11  9  5  5  4  3  4  3  3  2  1
CLOUDS                 B2 B1 SC B2 B2 B1 SC SC SC SC SC SC SC FW SC B1 B1 B1 B1
POP 12HR                     10          10           0          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          28    43      32    44      37    50      43    56
TEMP          32 30 41 38   35 34 43 41   39 39 49 47   45 45 54 46
DEWPT         25 24 27 26   27 28 34 35   37 36 41 42   43 43 47 39
PWIND DIR         N    NE       E     E       E     E      SE     S
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B1 B1 SC   B1 B1 B2 B2   B2 B2 B2 B2   OV OV OV OV
POP 12HR         10     5      20    50      40    30      60    70
RAIN                         S  S  C  C    C  C  C  C    L  L  L  L
SNOW                         S  S

$$
MDZ011-182100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N  76.61W ELEV. 20 FT
1232 PM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
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                      42          32          45          31          44
TEMP                   41 41 38 36 35 34 34 39 44 43 38 36 35 34 33 38 43 42 39
DEWPT                  22 23 26 25 25 26 26 26 26 26 26 25 25 24 22 22 22 24 26
RH                     46 48 62 64 66 72 72 59 49 51 62 64 66 66 63 52 43 48 59
WIND DIR               NW NW NW NW  W  W  W NW NW NW NW NW NW NW NW  N  N  N  N
WIND SPD               13 12  6  8  8  8  6 11 12  9  5  5  4  4  4  4  3  1  1
CLOUDS                 B2 B1 SC B1 B2 B1 SC SC SC SC SC SC SC FW SC B1 B1 B1 B1
POP 12HR                     10          10           0           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          34    43      33    44      37    50      43    56
TEMP          37 35 42 38   36 35 43 41   39 39 49 47   45 45 54 46
DEWPT         25 24 27 26   27 28 34 35   37 36 41 42   43 43 48 40
PWIND DIR         N    NE      NE     E       E     E      SE     S
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B1 B1 SC   B1 B1 B2 B2   B2 B2 B2 B2   OV OV OV OV
POP 12HR         10     5      20    50      50    30      60    80
RAIN                         S  S  C  C    C  C  C  C    L  L  D  D
SNOW                         S  S

$$
WVZ052-182100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N  77.98W ELEV. 558 FT
1232 PM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
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                      40          27          41          25          42
TEMP                   39 39 34 32 31 30 29 35 39 39 33 31 30 28 28 34 40 40 34
DEWPT                  21 22 23 22 23 23 23 23 23 23 23 23 23 22 20 21 22 21 21
RH                     48 50 64 66 72 75 78 61 52 52 66 72 75 78 71 58 48 46 58
WIND DIR               NW NW NW NW  W  W NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD               16 12  6  5  6  8  8 12 12 10  6  4  4  4  3  5  2  2  2
CLOUDS                 B2 B2 B1 B2 B2 B1 SC SC SC SC SC SC SC SC SC B1 B1 B1 B1
POP 12HR                     10          10           0          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          26    43      30    42      34    47      41    51
TEMP          31 29 41 37   34 32 41 38   36 36 46 44   43 43 50 43
DEWPT         21 23 27 26   26 25 31 31   32 30 39 38   39 39 43 35
PWIND DIR        NW     E      SE    SE      NE    SE      SE    SW
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B2 B1 SC   B1 B2 B2 B2   B2 B2 B2 B2   OV OV OV B2
POP 12HR         10    10      20    40      40    30      60    60
RAIN                               C  C    C  C  C  C    L  L  L  L
SNOW                         S  S  C  C

$$
VAZ042-182100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N  77.45W ELEV. 321 FT
1232 PM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
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                      41          28          43          26          41
TEMP                   41 40 35 33 32 31 30 36 41 40 35 32 31 30 28 34 39 39 34
DEWPT                  22 23 24 24 24 25 24 24 25 25 25 25 24 23 21 22 22 22 24
RH                     46 50 64 69 72 78 78 61 52 55 66 75 75 75 75 61 50 50 66
WIND DIR               NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD               14 11  6  6  5  6  6 11 12  9  5  5  4  4  3  4  2  1  1
CLOUDS                 B2 B1 B1 B2 B2 SC SC SC SC SC SC SC SC SC SC B1 B2 B1 B1
POP 12HR                     10          10           0          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          26    43      32    43      35    49      42    54
TEMP          30 29 41 38   35 34 42 39   37 37 47 46   44 44 53 45
DEWPT         23 24 27 26   26 27 32 33   34 33 40 40   41 42 45 36
PWIND DIR        NW    NE       E    NE      NE    SE      SE    SW
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B2 B1 SC   B1 B2 B2 B2   B2 B2 B2 B2   OV OV OV B2
POP 12HR         10    10      20    50      40    30      60    60
RAIN                         S  S  C  C    C  C  C  C    L  L  L  L
SNOW                         S  S

$$
VAZ037-182100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N  78.45W ELEV. 640 FT
1232 PM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
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                      45          27          46          26          43
TEMP                   44 44 36 34 32 31 30 38 44 43 37 34 32 30 29 35 41 41 35
DEWPT                  22 22 23 23 23 23 23 23 25 25 24 24 23 23 21 23 23 24 25
RH                     41 41 59 64 69 72 75 54 47 49 59 66 69 75 72 61 48 50 66
WIND DIR                W NW  N  N NW  W  W NW NW NW  N  N  N  N NW  N  S SE SE
WIND SPD                9  4  1  1  1  1  1  4  4  3  2  2  1  1  1  2  2  1  1
CLOUDS                 FW SC B1 B1 B1 SC SC FW FW SC SC SC SC B1 B1 B2 B2 B2 B2
POP 12HR                     10          10           0          20          30
QPF 12HR                      0           0           0           0        0.03
SNOW 12HR                 00-00       00-00       00-00
RAIN                                                                    C  C
SNOW                                                              S  S  C  C  S


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          27    47      31    43      34    51      41    53
TEMP          32 30 45 39   36 33 42 39   37 37 49 46   44 43 52 44
DEWPT         22 25 29 28   28 28 33 33   34 32 40 39   41 41 43 34
PWIND DIR         N     E       E    NE      NE    SE       S    SW
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B1 SC   B1 B2 B2 B2   B2 B2 B2 B2   OV OV B2 B2
POP 12HR         20    10      30    50      30    30      70    60
RAIN                               C  C    C  C  C  C    L  L  L  L
SNOW           S             C  C

$$
MDZ003-182100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N  77.73W ELEV. 705 FT
1232 PM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
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                      39          27          40          25          39
TEMP                   37 38 34 32 31 30 29 34 39 38 33 31 29 28 27 33 37 37 33
DEWPT                  21 21 22 22 23 23 23 23 23 23 23 22 22 21 19 20 20 20 20
RH                     52 50 61 66 72 75 78 64 52 54 66 69 75 75 71 58 50 50 58
WIND DIR               NW NW NW  W  W  W  W NW NW NW NW NW NW NW NW NW NW NW  N
WIND SPD               16 13  6  6  8  8  6 13 12 10  6  4  3  4  4  5  3  2  2
CLOUDS                 B2 B2 B1 B2 B2 B1 SC SC SC SC SC SC SC FW SC B1 B1 B1 B1
POP 12HR                     10          10           5          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          26    41      30    41      34    46      41    50
TEMP          30 28 39 36   33 32 40 38   36 36 45 44   42 42 49 42
DEWPT         20 22 25 25   25 24 30 31   32 31 38 37   38 39 43 35
PWIND DIR        NW     E      SE    SE       E    SE      SE    SW
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 B1 B1 SC   B1 B2 B2 B2   B2 B2 B2 B2   OV OV OV OV
POP 12HR         10    10      20    40      40    30      60    70
RAIN                               C  C    C  C  C  C    L  L  L  L
SNOW                         S  S  C  C

$$
MDZ017-182100-
PATUXENT RIVER NAS MD
38.29N  76.41W ELEV. 39 FT
1232 PM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
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                      43          29          43          30          42
TEMP                   42 42 36 34 33 32 31 37 41 41 37 35 34 33 32 37 41 41 38
DEWPT                  23 24 26 26 26 27 27 27 28 28 28 28 27 27 24 24 24 25 26
RH                     46 48 67 72 75 81 85 67 59 59 70 75 75 78 72 59 50 52 62
WIND DIR               NW NW NW NW NW NW NW NW NW NW NW NW NW NW  N  N NW  N  N
WIND SPD               14 12  8  9  9 10 10 12 12  9  8  9  9  6  8  6  4  3  4
CLOUDS                 FW FW SC B1 B1 SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B1
POP 12HR                     10          10           0          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          33    44      35    47      41    51      46    56
TEMP          36 35 43 40   38 37 46 44   43 43 50 49   47 48 55 48
DEWPT         27 28 29 29   31 33 38 39   41 39 43 44   46 46 49 41
PWIND DIR         N     N      NE    NE      NE    SE      SE     S
WIND CHAR        LT    LT      LT    LT      LT    LT      GN    GN
AVG CLOUDS    B2 B2 B1 SC   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2
POP 12HR         10     5      20    50      40    20      60    60
RAIN                         S  S  C  C    C  C  S  S    L  L  L  L
SNOW                         S  S

$$
WVZ502-182100-
PETERSBURG WV
38.99N  79.15W ELEV. 963 FT
1232 PM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
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                      40          27          42          23          41
TEMP                   39 39 34 32 31 30 29 35 40 39 33 30 29 27 26 33 39 38 33
DEWPT                  20 20 21 21 20 21 20 21 22 22 22 22 22 21 19 21 20 19 21
RH                     46 46 58 63 63 69 69 56 48 50 63 72 75 78 74 61 46 46 61
WIND DIR                N NW  W  W  W  W  W NW NW NW NW  W  W  N NW NW NW  N  N
WIND SPD                9  8  2  2  3  3  3  4  5  5  2  1  1  1  3  2  1  1  1
CLOUDS                 SC B1 B2 B2 B2 B1 SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2
POP 12HR                     10          10           5          10          30
QPF 12HR                      0           0           0           0        0.01
SNOW 12HR                 00-00       00-00       00-00
RAIN                                                                    C  C
SNOW                                                                    C  C  S


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          24    46      31    44      34    51      39    48
TEMP          29 28 43 39   35 33 43 39   37 37 49 45   43 40 47 40
DEWPT         21 26 31 28   29 28 35 32   33 32 41 37   38 38 41 32
PWIND DIR        NW    NE      SE    SE       S     S       S    SW
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B1 SC   B2 B2 B2 B2   B2 B2 B2 B2   OV OV OV B2
POP 12HR         20    10      30    30      20    10      40    40
RAIN                               C  C    S  S          C  C  C  C
SNOW           S             C  C

$$
MDZ014-182100-
ANNAPOLIS MD
38.99N  76.49W ELEV. 7 FT
1232 PM EST THU DEC 18 2014

DATE             THU 12/18/14            FRI 12/19/14            SAT 12/20/14
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                      42          31          43          29          42
TEMP                   39 41 37 35 34 33 33 38 42 41 36 34 33 32 31 36 41 40 36
DEWPT                  24 24 25 25 25 26 26 26 27 26 27 26 25 25 22 23 22 23 25
RH                     54 50 61 66 69 75 75 62 55 55 69 72 72 75 69 59 46 50 64
WIND DIR               NW NW NW NW  W  W NW NW NW NW NW NW NW NW NW  N NW NW  N
WIND SPD               13 13  8  9  9  9  9 11 11 10  6  6  6  6  5  4  3  2  2
CLOUDS                 SC SC SC B2 B2 B1 SC SC SC SC SC SC SC FW SC B1 B1 B1 B1
POP 12HR                     10          10           0          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE          SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          30    43      33    45      40    50      46    56
TEMP          34 32 42 38   36 35 44 43   41 42 49 48   47 48 55 48
DEWPT         26 25 28 27   28 29 35 37   39 38 42 43   44 46 48 41
PWIND DIR         N    NE       E     E      NE     E      SE     S
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    GN
AVG CLOUDS    B1 B2 B1 SC   B1 B1 B2 B2   B2 B2 B2 B2   B2 B2 OV OV
POP 12HR         10     5      20    50      40    30      60    70
RAIN                         S  S  C  C    C  C  C  C    L  L  L  L
SNOW                         S  S

$$


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