565
FOUS51 KLWX 192345
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
745 PM EDT MON APR 19 2021
VAZ054-200900-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
745 PM EDT MON APR 19 2021
DATE 04/19/21 TUE 04/20/21 WED 04/21/21 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 49 75 56 67 38
TEMP 60 56 53 51 54 67 73 73 68 63 60 58 59 66 63 60 52 46 42 40 42
DEWPT 43 44 44 44 44 43 41 41 42 44 44 44 47 49 45 35 27 23 22 22 23
RH 53 64 71 77 69 42 31 31 39 50 55 59 64 54 52 39 38 40 44 48 46
WIND DIR S S S S SW SW SW S S S S S S SW W NW NW NW NW W W
WIND SPD 4 4 5 4 5 6 9 9 8 9 11 11 12 17 19 23 19 17 13 13 13
WIND GUST 24 31 34 40 34 27
CLOUDS FW FW FW FW SC FW FW FW FW FW FW SC SC B1 B2 SC FW FW FW FW FW
POP 12HR 0 0 20 80 0
QPF 12HR 0 0 0 0.12 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C D L C
TSTMS C C
DATE 04/22 FRI 04/23/21 SAT 04/24/21 SUN 04/25/21 MON 04/26/21
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 58 41 67 48 69 53 67 49 68
TEMP 54 53 45 46 63 60 51 52 66 62 57 56 65 60 53 52 65 61
DEWPT 20 22 26 29 30 31 36 39 41 46 48 47 44 39 38 38 38 36
PWIND DIR W W W SW S SE NW NW NW
WIND CHAR BZ GN GN LT GN GN GN GN GN
AVG CLOUDS SC SC CL CL FW FW SC SC B1 B2 B2 B2 B1 SC FW FW FW FW
POP 12HR 10 0 0 10 60 60 30 5 5
RAIN SHWRS L L L L C C
MDZ013-200900-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
745 PM EDT MON APR 19 2021
DATE 04/19/21 TUE 04/20/21 WED 04/21/21 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 47 74 55 67 36
TEMP 59 53 51 49 53 68 72 73 65 59 58 57 58 66 62 58 50 44 40 38 41
DEWPT 42 42 42 42 43 42 41 41 42 43 43 43 46 48 45 35 26 22 21 21 23
RH 53 66 71 77 69 39 33 31 43 55 57 59 64 52 54 42 39 41 46 50 48
WIND DIR S SW SW SW SW W SW S S S S S S SW W NW NW NW W W W
WIND SPD 3 3 3 4 5 9 9 10 8 6 9 10 12 17 21 23 20 17 14 13 12
WIND GUST 24 33 39 43 36 33 27 25
CLOUDS FW FW FW FW SC FW FW FW SC SC SC SC SC B1 B2 SC FW FW FW FW FW
POP 12HR 5 5 20 80 0
QPF 12HR 0 0 0 0.13 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C D L C
TSTMS C C
DATE 04/22 FRI 04/23/21 SAT 04/24/21 SUN 04/25/21 MON 04/26/21
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 57 39 65 44 69 51 67 46 68
TEMP 53 51 43 45 63 59 49 51 66 61 55 55 64 60 51 51 64 60
DEWPT 19 20 25 28 30 30 34 38 41 43 46 46 43 38 37 37 36 34
PWIND DIR W W W SW S E NW NW NW
WIND CHAR BZ LT GN LT GN GN GN GN GN
AVG CLOUDS SC SC FW CL FW FW FW SC B1 B2 B2 B2 B2 SC FW FW FW FW
POP 12HR 5 0 0 5 60 70 30 10 5
RAIN SHWRS L L L L C C
MDZ011-200900-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
745 PM EDT MON APR 19 2021
DATE 04/19/21 TUE 04/20/21 WED 04/21/21 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 47 73 54 65 36
TEMP 59 53 51 49 53 66 71 72 65 60 58 56 57 64 61 57 50 44 41 38 40
DEWPT 44 45 44 44 45 44 43 43 45 46 46 46 47 49 47 37 29 25 23 23 24
RH 57 74 77 83 74 45 36 35 48 60 64 69 69 58 60 47 44 47 48 54 52
WIND DIR S SW SW SW SW W SW S S S S S S SW W NW NW NW W W W
WIND SPD 2 2 2 2 3 8 9 8 6 5 6 8 10 16 18 21 18 14 12 11 11
WIND GUST 21 31 35 41 35 29 25 23 23
CLOUDS FW FW FW SC SC SC FW SC SC SC SC SC B1 B1 B2 SC FW FW FW FW FW
POP 12HR 0 10 20 80 0
QPF 12HR 0 0 0 0.13 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C D L C
TSTMS C C
DATE 04/22 FRI 04/23/21 SAT 04/24/21 SUN 04/25/21 MON 04/26/21
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 56 40 65 46 67 52 66 47 66
TEMP 52 51 43 45 62 60 50 50 65 60 55 54 62 60 51 50 62 59
DEWPT 22 23 26 30 32 33 37 40 43 46 48 47 45 41 39 39 38 38
PWIND DIR W W W W S E NW NW NW
WIND CHAR BZ LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC CL CL FW FW SC SC B1 B2 B2 B2 B2 SC FW FW SC FW
POP 12HR 5 0 0 5 60 70 30 10 5
RAIN SHWRS L L L L C C
WVZ052-200900-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
745 PM EDT MON APR 19 2021
DATE 04/19/21 TUE 04/20/21 WED 04/21/21 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 43 70 49 60 33
TEMP 59 52 47 45 49 63 68 68 63 56 53 51 54 59 55 51 46 41 37 35 38
DEWPT 35 36 35 34 38 40 40 39 42 43 43 42 44 43 34 26 20 18 18 19 21
RH 40 54 63 65 66 43 36 34 46 62 69 71 69 55 45 37 35 39 46 52 50
WIND DIR W SW SW SW SW W SW SW S S S S S W W NW NW NW W W W
WIND SPD 3 4 4 5 4 6 6 6 4 4 6 6 11 17 23 21 21 16 13 12 13
WIND GUST 29 39 37
CLOUDS FW FW FW FW SC SC B1 B1 B1 B1 SC SC B1 B2 B1 SC SC FW FW SC FW
POP 12HR 0 40 40 70 5
QPF 12HR 0 0 0.01 0.04 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C S S C L S
TSTMS C
DATE 04/22 FRI 04/23/21 SAT 04/24/21 SUN 04/25/21 MON 04/26/21
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 53 34 63 39 65 48 64 42 65
TEMP 50 48 39 41 59 55 44 45 62 58 52 50 61 57 47 47 61 57
DEWPT 18 19 23 26 27 29 31 34 38 42 43 42 40 36 34 34 34 34
PWIND DIR W W W SW S NE NW NW NW
WIND CHAR BZ LT GN LT LT LT GN GN GN
AVG CLOUDS SC SC FW CL FW FW SC SC B1 B2 B2 B2 B1 SC FW FW FW FW
POP 12HR 5 0 0 10 70 60 30 10 5
RAIN SHWRS L L L L C C
VAZ506-200900-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
745 PM EDT MON APR 19 2021
DATE 04/19/21 TUE 04/20/21 WED 04/21/21 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 45 74 53 65 35
TEMP 59 53 49 47 52 66 71 72 65 61 57 55 57 64 60 56 48 43 38 37 40
DEWPT 42 42 42 40 41 42 41 41 42 43 43 43 46 47 42 33 25 22 21 21 23
RH 53 66 77 76 66 42 34 33 43 51 59 64 67 54 51 42 40 43 50 52 50
WIND DIR S S S S SW SW SW S S S S S S SW W NW NW NW W W W
WIND SPD 4 5 4 3 4 8 9 11 8 8 9 11 13 19 21 24 23 16 11 10 13
WIND GUST 19 23 27 34 40 43 36 27 23
CLOUDS FW FW FW FW SC FW FW SC SC SC SC SC SC B1 B1 SC FW FW FW FW FW
POP 12HR 5 10 20 90 0
QPF 12HR 0 0 0 0.08 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C D C S
TSTMS C
DATE 04/22 FRI 04/23/21 SAT 04/24/21 SUN 04/25/21 MON 04/26/21
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 56 36 65 42 68 50 67 45 68
TEMP 53 50 40 43 62 57 47 48 65 60 55 54 63 58 50 49 63 59
DEWPT 20 22 25 28 29 32 34 38 41 46 47 46 43 40 37 37 37 36
PWIND DIR W W W SW S SE NW NW NW
WIND CHAR BZ LT GN LT GN GN GN GN GN
AVG CLOUDS SC SC CL CL FW FW SC SC B1 B2 B2 B2 B1 SC FW FW FW FW
POP 12HR 10 0 0 10 70 60 20 10 5
RAIN SHWRS L L L L S S
VAZ037-200900-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
745 PM EDT MON APR 19 2021
DATE 04/19/21 TUE 04/20/21 WED 04/21/21 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 47 75 53 66 37
TEMP 62 56 51 49 52 67 72 74 68 62 59 56 57 65 63 59 52 46 42 39 41
DEWPT 41 40 38 38 40 41 40 40 41 42 43 43 47 45 38 29 23 21 19 20 23
RH 46 55 61 66 63 39 31 29 37 48 55 62 69 48 39 32 32 37 39 46 48
WIND DIR S W SW SW SW SW SW S S S S S S W W NW NW NW W W W
WIND SPD 4 2 2 3 2 5 9 9 8 5 6 8 9 11 17 17 14 9 8 5 8
WIND GUST 26 32 34 25
CLOUDS FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC FW FW FW FW FW FW
POP 12HR 0 20 20 60 0
QPF 12HR 0 0 0 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C L S
TSTMS C
DATE 04/22 FRI 04/23/21 SAT 04/24/21 SUN 04/25/21 MON 04/26/21
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 59 36 67 44 68 51 69 45 71
TEMP 55 53 43 43 64 60 50 50 65 62 57 55 66 62 52 51 67 63
DEWPT 19 21 25 28 28 32 33 37 40 45 46 45 40 38 38 39 37 38
PWIND DIR W W SW SW S W NW NW NW
WIND CHAR GN LT LT LT LT LT GN LT LT
AVG CLOUDS SC SC FW CL FW FW SC SC B1 B2 B2 B1 SC SC FW FW FW FW
POP 12HR 20 0 0 10 80 50 20 5 5
RAIN SHWRS S D D C C S S
MDZ003-200900-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
745 PM EDT MON APR 19 2021
DATE 04/19/21 TUE 04/20/21 WED 04/21/21 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 45 69 51 60 34
TEMP 60 54 51 48 50 61 67 68 63 59 56 54 55 59 54 51 45 41 38 36 38
DEWPT 37 37 38 36 38 42 41 41 44 43 44 43 45 45 37 29 23 20 20 21 22
RH 42 52 61 63 63 49 39 37 50 55 64 66 69 60 52 42 41 42 48 54 52
WIND DIR W S S S SW W W SW SE S S S S W W NW NW NW W W W
WIND SPD 4 5 4 5 4 8 8 8 5 5 8 9 12 17 21 24 23 16 12 12 13
WIND GUST 29 41 40 33
CLOUDS FW SC FW FW SC SC B1 B1 B1 B1 B1 SC B1 B2 B1 SC SC FW SC SC SC
POP 12HR 0 40 50 80 10
QPF 12HR 0 0 0.01 0.08 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C S S C D S
TSTMS C
DATE 04/22 FRI 04/23/21 SAT 04/24/21 SUN 04/25/21 MON 04/26/21
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 52 37 63 43 65 50 63 45 65
TEMP 49 48 41 42 59 57 48 47 62 59 54 52 60 57 49 49 61 58
DEWPT 19 21 23 27 29 30 32 36 40 43 45 45 41 38 35 35 35 35
PWIND DIR W W W SW S E NW NW NW
WIND CHAR BZ LT GN LT LT GN GN GN GN
AVG CLOUDS SC SC FW CL FW FW SC SC B1 B2 B2 B2 B1 SC FW SC FW FW
POP 12HR 10 0 0 10 60 60 30 10 5
RAIN SHWRS L L L L C C
MDZ017-200900-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
745 PM EDT MON APR 19 2021
DATE 04/19/21 TUE 04/20/21 WED 04/21/21 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 48 71 55 69 40
TEMP 55 52 51 50 54 65 70 69 63 60 58 57 59 66 68 63 54 48 43 42 43
DEWPT 48 48 47 47 48 49 48 48 49 48 47 49 51 52 51 43 35 30 27 26 26
RH 77 86 86 89 80 56 45 47 60 64 67 75 75 61 54 48 48 49 53 53 51
WIND DIR S SW SW SW SW SW S S S S S S S SW SW NW NW NW NW NW W
WIND SPD 4 4 5 5 6 9 10 12 12 12 13 12 13 18 20 24 23 21 20 18 18
WIND GUST 25 29 31 36 39 34 32 28
CLOUDS FW FW FW SC SC FW FW FW FW FW FW SC SC SC B1 B1 SC FW FW FW FW
POP 12HR 5 5 20 100 5
QPF 12HR 0 0 0 0.17 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C D L
TSTMS C C
OBVIS PF PF
DATE 04/22 FRI 04/23/21 SAT 04/24/21 SUN 04/25/21 MON 04/26/21
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 59 41 65 48 68 53 67 48 66
TEMP 55 53 46 48 62 58 51 54 65 60 57 57 65 60 52 53 64 59
DEWPT 26 29 31 33 33 38 42 44 45 50 52 50 47 45 42 42 41 42
PWIND DIR W W W SW S S NW NW NW
WIND CHAR BZ GN GN LT GN GN BZ GN GN
AVG CLOUDS SC SC FW FW FW FW FW SC B1 B2 B2 B2 B1 SC FW FW FW FW
POP 12HR 5 0 0 5 70 70 30 10 5
RAIN SHWRS L L L L C C
WVZ502-200900-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
745 PM EDT MON APR 19 2021
DATE 04/19/21 TUE 04/20/21 WED 04/21/21 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 44 70 50 54 30
TEMP 58 51 47 46 49 61 68 68 62 55 53 52 53 52 48 47 42 37 34 33 33
DEWPT 37 37 37 37 39 42 42 43 46 46 45 44 45 41 35 29 26 22 21 21 22
RH 45 59 68 71 68 49 39 40 56 72 74 74 74 66 60 49 53 54 58 61 63
WIND DIR W SW S S S W W W S SW S S SW W W NW NW NW W W W
WIND SPD 5 4 4 5 4 5 9 8 5 4 6 6 10 12 18 19 13 12 10 10 11
WIND GUST 17 23 27 35 37 29 25 23 24 25
CLOUDS FW FW FW SC SC SC SC B1 B1 SC SC SC B1 B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 40 40 60 40
QPF 12HR 0 0 0 0.01 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C S C C L C C C C
SNOWSHWRS C S S C
DATE 04/22 FRI 04/23/21 SAT 04/24/21 SUN 04/25/21 MON 04/26/21
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 50 33 62 39 65 46 62 40 67
TEMP 47 46 38 38 58 55 44 44 61 57 50 47 59 55 45 44 62 57
DEWPT 22 25 26 27 31 33 33 35 42 46 45 43 42 40 36 35 37 38
PWIND DIR W W W SW S W NW NW NW
WIND CHAR BZ LT LT LT LT LT GN LT GN
AVG CLOUDS SC SC FW CL FW FW SC SC B1 B2 B2 B2 B1 SC SC SC FW FW
POP 12HR 30 0 0 10 80 60 30 10 5
RAIN SHWRS C S D D L L C C
SNOWSHWRS C
MDZ014-200900-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
745 PM EDT MON APR 19 2021
DATE 04/19/21 TUE 04/20/21 WED 04/21/21 THU
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 49 69 55 64 38
TEMP 56 53 51 51 53 65 68 67 63 59 58 57 58 63 62 58 52 46 42 40 42
DEWPT 46 47 46 45 46 46 46 46 47 48 47 46 49 50 48 39 31 27 25 25 26
RH 69 80 83 80 77 50 45 47 56 67 67 67 72 62 60 49 44 47 50 55 53
WIND DIR S SW SW SW SW SW S S S S S S S SW W NW NW NW NW W W
WIND SPD 3 2 4 3 4 8 9 11 10 9 11 10 12 17 18 21 20 18 16 12 12
WIND GUST 20 19 23 21 26 32 36 41 40 35 33 27 26
CLOUDS FW FW FW FW SC FW FW FW FW FW FW SC SC B1 B1 SC FW FW FW FW FW
POP 12HR 5 5 20 80 0
QPF 12HR 0 0 0 0.15 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C L D C
TSTMS C C
DATE 04/22 FRI 04/23/21 SAT 04/24/21 SUN 04/25/21 MON 04/26/21
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 55 41 63 47 66 53 65 48 65
TEMP 53 52 45 46 60 58 51 52 63 60 56 55 62 59 52 51 61 59
DEWPT 24 25 29 31 34 36 39 41 44 48 49 49 45 43 40 39 39 39
PWIND DIR W W W SW S SE NW NW NW
WIND CHAR BZ LT GN LT GN GN GN GN GN
AVG CLOUDS SC SC CL CL FW FW FW SC B1 B2 B2 B2 B2 SC FW FW FW FW
POP 12HR 0 0 0 5 60 70 30 10 5
RAIN SHWRS L L L L C C
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