Point Forecast Matrices


257 
FOUS51 KLWX 151800
PFMLWX
Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
100 PM EST Fri Dec 15 2017
VAZ054-152100-
Reagan National Airport-Arlington VA
38.86N  77.03W Elev. 66 ft
100 PM EST Fri Dec 15 2017
Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      34          28          45          31          48
Temp                   30 32 31 30 30 29 31 38 43 43 38 36 35 34 34 41 46 46 43
Dewpt                  17 23 23 22 20 20 21 22 24 26 27 27 27 26 27 30 31 32 34
RH                     58 69 72 72 66 69 66 52 47 51 64 69 72 72 75 65 55 58 70
Wind dir                S SW  W  W  W  W SW SW  W SW SW  W SW  S  S  S  S SE  S
Wind spd                5  8  4  5  6  5  6 11 12  9  5  3  2  2  2  2  4  3  2
Clouds                 OV OV FW FW FW SC B1 B1 B1 SC FW FW FW FW SC SC B1 B2 OV
PoP 12hr                    100           5           5           0          10
QPF 12hr                   0.06           0           0           0           0
Snow 12hr                     1       00-00       00-00                        
Rain                                                                          S
Snow                    D  C                                                   
Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          38    55      42    59      39    49      33    50
Temp          41 42 53 49   46 45 57 49   45 41 48 41   38 36 48 45
Dewpt         36 35 40 41   42 41 44 41   35 29 24 25   25 26 29 33
PWind dir        SW    SW      SW    SW       W    NW       N     S
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    B2 B1 B1 B1   B1 B1 B1 B1   SC SC FW FW   FW SC SC SC
PoP 12hr         20    10      20    20      10     5       5    10
Rain           S             S  S  S  S                            
$$
MDZ013-152100-
Baltimore/Washington Airport-Anne Arundel MD
39.19N  76.67W Elev. 154 ft
100 PM EST Fri Dec 15 2017
Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      32          26          43          29          46
Temp                   29 31 29 28 28 27 29 36 41 41 36 34 33 32 32 39 44 44 41
Dewpt                  17 20 23 21 19 19 19 21 23 24 25 26 25 25 25 29 30 31 33
RH                     60 63 78 75 68 71 66 54 48 50 64 72 72 75 75 67 57 60 73
Wind dir               SE  W  W  W  W  W SW SW  W SW  W  W  W  S  S  S SE SE SE
Wind spd                4  4  5  9 11 10  9 12 12 11  6  4  3  2  3  3  4  4  3
Clouds                 OV OV SC FW FW SC B1 B1 B1 SC FW FW FW FW SC SC B1 B2 OV
PoP 12hr                    100          10           5           0          10
QPF 12hr                   0.12           0           0           0           0
Snow 12hr                     2       00-00       00-00                        
Rain                                                                          S
Snow                    D  D                                                   
Winter Weath            Y  Y                                                   
Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          35    52      39    57      37    47      31    48
Temp          38 39 50 46   43 42 55 47   43 39 46 39   36 34 46 43
Dewpt         34 33 39 39   39 38 43 39   33 27 24 23   23 24 27 31
PWind dir        NW    SW      SW    SW       W    NW      NW    SE
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B2 B1 B1   B1 B1 B1 B1   SC SC FW FW   FW SC SC SC
PoP 12hr         20    10      20    20      10     5       5    10
Rain           S             S  S  S  S                            
$$
MDZ011-152100-
Baltimore Inner Harbor-Baltimore City MD
39.28N  76.61W Elev. 20 ft
100 PM EST Fri Dec 15 2017
Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      32          27          43          31          46
Temp                   29 31 30 29 28 28 30 36 41 41 37 36 34 34 33 39 44 45 42
Dewpt                  17 20 22 21 19 19 19 21 23 25 26 27 26 25 25 29 29 31 33
RH                     60 63 72 72 68 68 63 54 48 52 64 69 72 69 72 67 55 58 70
Wind dir                S SW  W  W  W  W SW SW  W SW  W  W NW  S  S  S SE SE SE
Wind spd                3  4  5  9 10  9  9 12 13 11  6  4  3  2  3  3  4  4  3
Clouds                 OV OV SC FW FW SC B1 B1 B1 SC FW FW FW SC SC SC B1 B2 OV
PoP 12hr                    100          10           5           0          10
QPF 12hr                   0.13           0           0           0           0
Snow 12hr                     2       00-00       00-00                        
Rain                                                                          S
Snow                    D  D                                                   
Winter Weath            Y  Y                                                   
Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          37    52      41    56      38    46      32    48
Temp          40 39 50 47   44 43 54 47   43 39 45 39   36 35 46 44
Dewpt         35 34 38 39   40 39 42 40   34 27 24 24   23 23 27 31
PWind dir         N    SW      SW    SW       W    NW      NW    SW
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B2 B1 B1   B1 B1 B1 B1   SC SC FW FW   FW SC SC SC
PoP 12hr         20    10      20    20      10     5       5    10
Rain           S             S  S  S  S                            
$$
WVZ052-152100-
Martinsburg Airport-Berkeley WV
39.41N  77.98W Elev. 558 ft
100 PM EST Fri Dec 15 2017
Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      32          24          44          27          46
Temp                   28 30 28 27 26 26 27 35 42 41 36 33 32 31 30 38 44 44 40
Dewpt                  18 18 19 18 17 17 18 22 24 25 25 24 23 23 22 27 29 31 31
RH                     66 60 68 68 68 68 68 59 48 52 64 69 69 72 72 64 55 60 70
Wind dir                S SW  W  W  W SW SW SW  W  W  W SW SW SW  S  S  S SE  S
Wind spd                5  4  5  8  8  5  8 11 13  9  4  3  3  3  3  2  3  4  2
Clouds                 OV B2 SC SC SC SC B1 B1 B1 SC FW FW FW FW SC SC B2 OV OV
PoP 12hr                     60           5           5           0          20
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                     T       00-00       00-00                        
Rain                                                                    S  S  S
Snow                    L                                                      
Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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    52      37    56      33    46      27    48
Temp          37 36 50 45   41 40 54 45   40 35 45 37   33 30 46 42
Dewpt         32 32 40 38   37 36 41 36   31 24 22 22   22 21 27 29
PWind dir        SW    SW      SW     W       W    NW       W     S
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B2 B2 B1   B1 B1 B1 B1   SC FW FW FW   FW SC SC SC
PoP 12hr         20    10      20    20      10     5       5    10
Rain           S             S  S  S  S                            
$$
VAZ506-152100-
Washington Dulles Airport-Loudoun VA
38.96N  77.45W Elev. 321 ft
100 PM EST Fri Dec 15 2017
Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      32          25          45          28          48
Temp                   29 31 29 28 27 26 28 36 43 42 37 34 33 32 31 39 46 46 42
Dewpt                  17 18 21 19 18 18 18 21 23 25 25 25 25 24 24 28 30 31 32
RH                     60 58 72 68 68 71 66 54 45 50 61 69 72 72 75 64 53 55 67
Wind dir                S SW  W  W  W  W SW SW SW  W  W  W  W SW  S SE  S SE  S
Wind spd                5  5  4  6  6  5  8 11 12  9  4  2  2  2  2  2  5  4  3
Clouds                 OV B2 SC FW FW SC B1 B1 B1 SC FW FW FW FW SC SC B2 B2 OV
PoP 12hr                    100           5           5           0          10
QPF 12hr                   0.04           0           0           0           0
Snow 12hr                     1       00-00       00-00                        
Rain                                                                          S
Snow                    D  S                                                   
Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          35    54      39    58      36    48      30    49
Temp          39 38 52 47   43 42 56 47   42 38 47 39   35 33 47 44
Dewpt         34 33 39 40   39 38 43 39   33 26 24 23   23 23 28 31
PWind dir        SW    SW      SW    SW       W    NW      NW     S
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B1 B1 B1   B1 B1 B1 B1   SC SC FW FW   FW SC SC SC
PoP 12hr         20    10      20    20      10     5       5     5
Rain           S             S  S  S  S                            
$$
VAZ037-152100-
Charlottesville Airport-Albemarle VA
38.14N  78.45W Elev. 640 ft
100 PM EST Fri Dec 15 2017
Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      35          25          48          28          50
Temp                   30 34 30 29 28 27 29 38 45 45 38 36 34 32 32 40 48 48 43
Dewpt                  19 20 20 18 18 18 19 22 23 24 24 23 24 22 23 27 29 30 32
RH                     63 56 66 63 66 68 66 52 41 43 57 59 66 66 69 59 47 49 65
Wind dir                S SW  W  W  W SW SW SW SW SW SW  W  W NW NW SW  S  S SW
Wind spd                4  6  4  4  4  3  5  8  9  8  4  4  2  2  2  1  3  3  3
Clouds                 OV B1 FW FW FW SC SC SC SC FW CL CL FW FW SC B1 B2 OV B2
PoP 12hr                     20           5           5           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00                        
Rain                                                                          S
Snow                    S                                                      
Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          35    58      39    60      35    52      29    52
Temp          39 39 55 49   45 42 58 48   42 38 50 41   36 33 49 44
Dewpt         33 32 42 43   41 39 44 40   34 26 22 24   23 23 29 31
PWind dir         W    SW      SW     W       W     W       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B1 B1 B1   B1 B1 B1 B1   SC SC FW FW   FW SC SC SC
PoP 12hr         20    10      20    20      10     5       5    10
Rain           S             S  S  S  S                            
$$
MDZ003-152100-
Hagerstown Airport-Washington MD
39.71N  77.73W Elev. 705 ft
100 PM EST Fri Dec 15 2017
Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      33          25          42          28          44
Temp                   29 31 29 28 27 27 28 35 40 40 35 33 32 31 31 37 42 42 39
Dewpt                  16 17 19 18 17 17 18 21 23 25 25 25 23 24 23 26 28 30 30
RH                     58 56 66 66 65 65 66 56 50 55 66 72 69 75 72 64 57 62 70
Wind dir                S SW  W  W  W SW SW SW  W  W  W SW SW SW  S  S  S SE  S
Wind spd                8  5  6  6  9  5  9 11 14 10  4  3  3  2  3  3  5  4  3
Clouds                 OV B2 SC SC SC SC B1 B1 B1 SC SC SC FW SC SC SC B2 OV OV
PoP 12hr                     60           5           5           0          30
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                     T       00-00       00-00                        
Rain                                                                    C  C  S
Snow                    L                                                      
Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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    49      38    53      33    43      29    45
Temp          37 36 47 44   41 40 51 43   39 35 42 36   33 32 43 40
Dewpt         32 32 39 38   37 36 41 35   30 24 21 21   21 21 25 28
PWind dir         S    SW      SW     W       W    NW       W     S
Wind char        LT    LT      LT    GN      GN    GN      LT    LT
Avg clouds    OV B2 B2 B1   B1 B1 B1 B1   SC FW FW FW   FW SC SC SC
PoP 12hr         20    10      30    30      10     5       5    10
Rain           S             S  S  S  S                            
$$
MDZ017-152100-
Patuxent River NAS MD
38.29N  76.41W Elev. 39 ft
100 PM EST Fri Dec 15 2017
Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      38          29          45          32          48
Temp                   34 36 33 32 31 31 32 38 43 43 39 37 36 35 35 41 46 47 44
Dewpt                  23 25 26 26 23 22 22 23 24 26 28 29 29 29 29 32 33 35 36
RH                     64 64 75 78 72 69 66 54 47 51 64 72 75 78 78 70 60 63 73
Wind dir               NE NW NW  W  W  W  W  W  W  W SW  W  W SW  S  S  S  S  S
Wind spd                4  6  8 11 11 12 10 12 13 13 11 10  5  3  3  5  6  6  8
Clouds                 OV OV SC FW FW SC B1 B1 B1 SC FW FW FW FW SC SC B1 B2 B2
PoP 12hr                     90          10           0           0           5
QPF 12hr                   0.04           0           0           0           0
Snow 12hr                     T       00-00       00-00                        
Rain                                                                          S
Snow                    D  L                                                   
Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          39    54      43    58      39    49      34    49
Temp          42 41 52 49   46 45 56 49   45 41 48 42   38 36 47 45
Dewpt         37 37 40 42   43 43 47 44   38 31 27 27   28 28 31 35
PWind dir        SW    SW      SW    SW       W    NW       N    SE
Wind char        LT    LT      LT    GN      GN    GN      LT    LT
Avg clouds    B2 B1 B1 B1   B1 B1 B1 SC   SC SC FW FW   FW SC SC SC
PoP 12hr         20    10      30    30      10     5       5     5
Rain           S             C  C  S  S                            
$$
WVZ502-152100-
Petersburg WV
38.99N  79.15W Elev. 963 ft
100 PM EST Fri Dec 15 2017
Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      34          27          44          30          49
Temp                   29 33 31 30 29 29 30 37 42 42 37 35 34 33 33 41 47 47 43
Dewpt                  19 18 18 18 19 19 20 23 25 25 24 24 24 24 24 27 30 31 31
RH                     66 53 58 60 66 66 66 56 50 50 59 64 66 69 69 57 51 53 62
Wind dir                W  W  W  W  W  W  W  W  W  W SW SW  W  W SW SW SW SE  W
Wind spd                6  9 10 14 11  8  8 10 12  9  4  4  4  4  3  2  2  1  2
Clouds                 OV B1 B1 SC SC SC B1 SC SC SC FW FW FW FW B1 B1 B2 OV OV
PoP 12hr                     30          10           5           0          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00                        
Rain                                                                    S  S  C
Snow                    C  S                                                   
Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          37    54      42    55      35    46      30    52
Temp          40 41 52 48   45 44 54 45   41 37 45 38   35 34 50 45
Dewpt         34 36 42 42   40 40 42 36   30 24 22 23   22 21 29 30
PWind dir         W    SW      SW     W       W     W      SW     S
Wind char        LT    LT      LT    GN      GN    GN      LT    LT
Avg clouds    B2 B2 B2 B2   B2 B2 B1 B1   SC SC FW FW   SC SC SC SC
PoP 12hr         30    10      30    40      10     5       5    10
Rain           C             C  C  C  C                            
$$
MDZ014-152100-
Annapolis MD
38.99N  76.49W Elev. 7 ft
100 PM EST Fri Dec 15 2017
Date             Fri 12/15/17            Sat 12/16/17            Sun 12/17/17
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                      36          28          44          31          46
Temp                   32 34 32 31 30 30 31 37 42 42 38 36 35 34 33 39 44 45 42
Dewpt                  20 23 25 23 21 20 20 22 23 25 26 27 27 27 27 31 32 33 35
RH                     61 64 75 72 69 66 63 54 46 50 62 69 72 75 78 73 62 62 76
Wind dir               SE NW  W  W  W  W  W SW  W SW SW  W NW  S  S  S  S SE  S
Wind spd                4  4  5 11 13 13 10 13 13 13 10  5  4  4  4  4  4  4  4
Clouds                 OV OV SC FW FW SC B1 B1 B1 SC FW FW FW FW SC SC B1 B2 B2
PoP 12hr                    100          10           5           0          10
QPF 12hr                   0.12           0           0           0           0
Snow 12hr                     2       00-00       00-00                        
Rain                                                                          S
Snow                    D  D                                                   
Winter Weath            Y  Y                                                   
Date          Mon 12/18/17  Tue 12/19/17  Wed 12/20/17  Thu 12/21/17
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          37    52      41    56      39    47      33    48
Temp          40 40 50 47   44 43 54 48   44 40 46 40   37 35 46 44
Dewpt         36 35 40 41   42 41 45 41   35 28 25 25   25 25 29 33
PWind dir        SW    SW      SW    SW       W    NW      NW    SE
Wind char        LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B2 B1 B1 B1   B1 B1 B1 SC   SC SC FW FW   FW SC SC SC
PoP 12hr         20    10      20    20      10     5       5     5
Rain           S             S  S  S  S                            
$$