014
FOUS51 KLWX 130544
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
144 AM EDT TUE APR 13 2021
VAZ054-132100-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
144 AM EDT TUE APR 13 2021
DATE TUE 04/13/21 WED 04/14/21 THU 04/15/21
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 66 52 65 53 65
TEMP 50 52 57 62 65 61 57 55 54 55 60 61 62 59 57 56 54 55 60 62 62 57
DEWPT 44 45 45 45 45 46 46 46 46 48 49 49 50 49 50 50 49 49 45 40 36 33
RH 80 77 64 54 48 58 67 72 74 77 67 65 65 69 77 80 83 80 58 44 38 40
WIND DIR NE N N N N E S S S S S S S S S SE NW NW NW NW NW NW
WIND SPD 4 4 5 5 4 4 4 4 4 4 5 5 5 6 5 2 3 5 10 11 13 11
WIND GUST 21 24
CLOUDS OV OV B1 B1 SC SC FW FW B1 B2 OV OV OV B2 OV OV OV B2 B1 B1 SC SC
POP 12HR 5 10 60 50 40
QPF 12HR 0 0 0.09 0.11 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN C C C C S
RAIN SHWRS S C C L L C C C C
DATE FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21
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 62 46 66 49 67 49 67
TEMP 49 48 59 57 50 49 62 60 52 51 65 61 54 53 64 61
DEWPT 34 37 36 35 38 38 36 37 40 41 39 41 42 42 39 38
PWIND DIR NW NW NW NW W W SW NW
WIND CHAR GN GN LT LT LT LT LT GN
AVG CLOUDS SC SC B1 B1 SC FW SC B1 B1 SC SC B1 B1 B1 SC SC
POP 12HR 20 10 0 10 20 30 20 20
RAIN S S
RAIN SHWRS S S C C S S S S
MDZ013-132100-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
144 AM EDT TUE APR 13 2021
DATE TUE 04/13/21 WED 04/14/21 THU 04/15/21
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 66 49 64 51 64
TEMP 47 50 56 61 64 60 54 52 51 53 60 61 62 59 56 54 53 54 59 62 61 56
DEWPT 42 43 43 44 44 44 44 44 44 46 47 48 47 46 47 47 48 48 45 41 36 33
RH 83 77 62 53 48 55 69 74 77 77 62 62 58 62 72 77 83 80 60 46 39 42
WIND DIR N N N N N SE S SW SW SW S S S S S SE N NW NW NW NW NW
WIND SPD 4 4 5 5 5 3 3 3 3 3 5 6 6 5 5 2 3 3 9 11 13 10
WIND GUST 21 25
CLOUDS B2 B2 B1 B2 B1 SC FW SC B1 B2 OV OV B2 B2 B2 B2 OV OV B2 B1 B1 SC
POP 12HR 5 10 60 50 50
QPF 12HR 0 0 0.07 0.10 0.09
SNOW 12HR 00-00 00-00 00-00
RAIN C C C C C
RAIN SHWRS S C C L L C C C C
COAST FLOOD Y Y
DATE FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21
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 61 42 65 45 67 47 67
TEMP 47 46 58 55 47 47 62 58 51 50 64 60 51 51 64 59
DEWPT 33 36 35 34 35 36 35 35 37 39 38 38 40 41 39 36
PWIND DIR NW NW NW NW W SW SW NW
WIND CHAR GN GN LT LT LT LT LT GN
AVG CLOUDS SC B1 B1 B1 SC FW SC B1 B1 SC SC B1 SC B1 B1 SC
POP 12HR 30 20 5 10 10 30 20 20
RAIN C C S S
RAIN SHWRS C C S S S S
MDZ011-132100-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
144 AM EDT TUE APR 13 2021
DATE TUE 04/13/21 WED 04/14/21 THU 04/15/21
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 64 50 64 51 63
TEMP 48 50 55 60 63 59 55 53 51 53 59 61 61 59 56 54 53 53 58 60 60 55
DEWPT 45 45 45 46 46 47 47 47 47 48 49 50 50 49 50 50 50 49 48 43 38 35
RH 89 83 69 60 54 64 74 80 86 83 69 67 67 69 80 86 89 86 69 53 44 47
WIND DIR N N N N N SE S SW SW SW S S S S S SE N NW NW NW NW NW
WIND SPD 3 3 4 4 4 3 3 3 2 3 4 5 6 5 5 2 3 2 6 10 12 9
WIND GUST 20 24
CLOUDS B2 B2 B2 B2 B1 SC FW SC B1 B2 OV OV B2 B2 B2 B2 OV OV B2 B1 B1 SC
POP 12HR 5 10 60 50 50
QPF 12HR 0 0 0.06 0.09 0.10
SNOW 12HR 00-00 00-00 00-00
RAIN C C C C C
RAIN SHWRS S C C L L C C C C
DATE FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21
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 44 60 43 64 47 66 48 66
TEMP 47 46 57 55 47 47 60 58 51 50 63 60 52 51 62 59
DEWPT 36 38 37 37 38 38 38 39 40 41 40 41 42 43 41 39
PWIND DIR NW NW NW NW W SW SW NW
WIND CHAR LT GN LT LT LT LT LT GN
AVG CLOUDS SC B1 B1 B1 SC FW SC B1 B1 SC SC B1 SC B1 B1 SC
POP 12HR 30 20 5 10 10 30 20 20
RAIN C C S S
RAIN SHWRS C C S S S S
WVZ052-132100-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
144 AM EDT TUE APR 13 2021
DATE TUE 04/13/21 WED 04/14/21 THU 04/15/21
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 67 46 64 46 59
TEMP 46 49 58 63 66 61 55 50 49 51 57 59 61 58 54 51 49 49 56 57 56 52
DEWPT 43 44 45 45 43 44 43 43 42 43 45 45 44 45 45 45 43 41 37 33 30 29
RH 89 83 62 52 43 53 64 77 77 74 64 60 53 62 71 80 80 74 49 40 37 41
WIND DIR N N N N N E S SW SW SW W S S S S SW NW NW NW NW NW NW
WIND SPD 3 2 4 5 5 4 3 3 2 2 3 4 5 5 4 1 3 5 12 12 14 10
WIND GUST 23 25
CLOUDS B2 B2 B1 B1 B1 SC FW SC B1 B2 OV B2 B2 B1 B1 B2 B2 B1 SC B1 B1 B1
POP 12HR 5 10 50 40 40
QPF 12HR 0 0 0.04 0.06 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN C C C C C
RAIN SHWRS S C C C C C C C C
DATE FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21
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 40 60 39 64 42 65 43 65
TEMP 44 44 56 54 44 44 60 57 46 46 62 58 47 47 62 57
DEWPT 31 34 34 33 35 35 34 35 35 37 36 38 38 38 34 34
PWIND DIR NW NW NW NW W W W NW
WIND CHAR GN GN LT LT LT LT LT GN
AVG CLOUDS B1 B1 B1 B1 SC SC SC B1 SC SC SC B1 B1 B1 SC SC
POP 12HR 30 20 5 10 20 30 20 20
RAIN C C S S
RAIN SHWRS S S C C S S S S
VAZ506-132100-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
144 AM EDT TUE APR 13 2021
DATE TUE 04/13/21 WED 04/14/21 THU 04/15/21
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 67 48 64 50 63
TEMP 47 50 57 62 66 61 55 51 50 52 59 61 61 58 56 53 52 53 58 60 60 54
DEWPT 44 45 46 46 46 47 46 46 45 47 48 48 48 48 49 49 48 47 42 37 33 32
RH 89 83 67 56 48 60 72 83 83 83 67 62 62 69 77 86 86 80 55 42 36 43
WIND DIR NE N N N N E S S S S SW S S S S S NW NW NW NW NW NW
WIND SPD 3 3 5 6 5 4 4 3 3 4 4 5 5 5 5 2 4 5 11 12 13 11
WIND GUST 24 24
CLOUDS OV OV B2 B1 B1 SC FW SC B1 B2 OV OV B2 B2 B2 B2 OV B2 SC B1 SC SC
POP 12HR 5 10 60 50 40
QPF 12HR 0 0 0.08 0.09 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN C C C C S
RAIN SHWRS S C C L L C C C C
DATE FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21
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 41 61 41 65 44 67 45 67
TEMP 45 46 57 54 47 46 61 58 49 49 63 59 50 50 64 59
DEWPT 33 36 36 36 37 38 35 37 38 40 38 40 40 41 37 36
PWIND DIR NW NW NW NW W W SW NW
WIND CHAR GN GN LT LT LT LT LT GN
AVG CLOUDS SC SC B1 B1 SC FW SC B1 SC SC SC B1 B1 B1 SC SC
POP 12HR 20 10 0 10 20 30 20 20
RAIN S S
RAIN SHWRS S S C C S S S S
VAZ037-132100-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
144 AM EDT TUE APR 13 2021
DATE TUE 04/13/21 WED 04/14/21 THU 04/15/21
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 72 51 66 51 65
TEMP 50 53 63 68 71 66 60 56 54 54 60 62 63 61 59 56 54 54 61 63 63 57
DEWPT 44 45 46 44 43 45 46 45 45 46 48 49 50 50 50 49 47 46 40 34 31 30
RH 80 74 54 42 36 47 60 66 71 74 64 62 62 67 72 77 77 74 46 34 30 35
WIND DIR N N N N NE E NE W SW S SW S S SE S W W W NW NW NW NW
WIND SPD 2 2 4 4 4 4 2 2 2 2 2 4 4 4 3 2 4 4 9 10 11 8
WIND GUST 19
CLOUDS SC B1 B1 SC SC SC FW SC SC B2 OV OV OV OV OV B2 B2 B1 FW SC FW FW
POP 12HR 5 5 70 40 20
QPF 12HR 0 0 0.19 0.11 0
SNOW 12HR 00-00 00-00 00-00
RAIN S S S S
RAIN SHWRS C C L L C C C C
DATE FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21
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 65 42 66 45 67 46 68
TEMP 48 48 61 59 49 47 63 61 51 50 65 62 52 51 65 61
DEWPT 31 34 33 33 35 37 34 37 38 40 38 40 40 41 37 36
PWIND DIR NW NW NW W NW SW W W
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC FW SC B1 B1 SC SC B1 B1 B1 SC FW
POP 12HR 10 5 0 10 20 30 20 20
RAIN SHWRS S S C C S S S S
MDZ003-132100-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
144 AM EDT TUE APR 13 2021
DATE TUE 04/13/21 WED 04/14/21 THU 04/15/21
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 66 49 64 49 59
TEMP 49 50 57 62 65 62 57 54 51 52 57 60 62 59 56 54 52 51 56 57 57 52
DEWPT 43 45 46 47 45 45 44 44 43 45 46 45 45 46 46 46 45 44 40 36 32 32
RH 80 83 67 58 48 54 62 69 74 77 67 58 54 62 69 74 77 77 55 45 38 46
WIND DIR NE N N N N SE S S S S W SW S S S S W NW NW NW NW NW
WIND SPD 3 2 3 5 5 4 4 3 3 3 4 5 6 6 5 2 3 5 11 12 14 10
WIND GUST 24 25
CLOUDS OV OV B2 B1 SC SC FW SC B1 B2 OV B2 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1
POP 12HR 5 10 40 50 40
QPF 12HR 0 0 0.03 0.07 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN C C C C C
RAIN SHWRS S C C C C C C C C
DATE FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21
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 59 42 63 44 65 46 65
TEMP 45 45 55 54 46 45 60 58 50 48 61 58 51 49 61 58
DEWPT 32 35 35 35 35 35 35 36 37 38 38 39 38 39 36 35
PWIND DIR NW NW NW NW W W W NW
WIND CHAR GN GN LT LT LT LT LT GN
AVG CLOUDS B1 B1 B1 B1 SC FW SC B1 SC SC SC B1 B1 B1 SC SC
POP 12HR 30 20 0 10 20 30 20 20
RAIN C C S S
RAIN SHWRS S S C C S S S S
MDZ017-132100-
PATUXENT RIVER NAS MD
38.29N 76.41W ELEV. 39 FT
144 AM EDT TUE APR 13 2021
DATE TUE 04/13/21 WED 04/14/21 THU 04/15/21
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 63 49 64 51 66
TEMP 48 50 55 59 61 56 54 51 52 54 60 61 61 57 56 54 54 55 60 63 63 57
DEWPT 45 45 45 46 45 47 47 48 48 49 50 51 51 51 51 52 52 51 50 46 42 40
RH 89 83 69 62 56 72 77 89 86 83 69 70 70 80 83 93 93 86 69 54 46 53
WIND DIR N N N N N E S S S S S SE SE S SE E N NW NW NW NW NW
WIND SPD 9 8 9 9 6 3 4 5 5 5 8 8 9 9 9 3 5 4 9 11 13 12
CLOUDS OV B2 B1 SC SC SC FW FW SC B2 B2 OV OV OV OV OV OV B2 B2 B1 SC SC
POP 12HR 0 5 70 60 40
QPF 12HR 0 0 0.15 0.25 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN C C C C S
RAIN SHWRS S C C L L L L C C
COAST FLOOD Y
DATE FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21
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 62 45 63 47 66 49 66
TEMP 48 48 59 55 49 49 60 57 51 52 63 58 52 54 63 59
DEWPT 37 38 38 40 40 40 39 41 42 44 43 45 45 46 44 43
PWIND DIR NW NW NW NW SW SW SW W
WIND CHAR GN BZ GN GN LT GN LT GN
AVG CLOUDS SC SC SC SC SC FW SC B1 SC SC SC SC SC B1 B1 SC
POP 12HR 20 20 0 5 20 30 20 20
RAIN S S S S
RAIN SHWRS S S C C S S S S
WVZ502-132100-
PETERSBURG WV
38.99N 79.15W ELEV. 963 FT
144 AM EDT TUE APR 13 2021
DATE TUE 04/13/21 WED 04/14/21 THU 04/15/21
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 69 46 64 44 56
TEMP 47 48 58 66 68 62 54 50 49 49 53 58 61 59 53 50 48 46 49 53 53 49
DEWPT 44 45 48 45 42 44 43 42 42 43 48 49 48 48 47 45 43 41 38 34 32 33
RH 89 89 69 47 39 52 66 74 77 80 83 72 62 67 80 83 83 83 66 48 44 54
WIND DIR NW W NW NW NW NW SW SW SW SW NW SW SW SW W W W W W NW NW NW
WIND SPD 2 2 5 6 6 4 3 3 2 2 2 4 4 3 3 3 4 5 9 12 13 9
CLOUDS SC B1 B1 SC SC SC SC SC B2 OV OV B2 B2 B1 B2 B2 B2 B1 B1 B1 SC B1
POP 12HR 5 10 50 40 30
QPF 12HR 0 0 0.07 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN C C C C C
RAIN SHWRS C C C C C C C C
DATE FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21
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 39 58 37 63 41 64 41 64
TEMP 42 41 55 53 43 42 60 56 46 44 60 55 46 45 59 55
DEWPT 34 35 37 37 36 36 37 40 39 39 41 42 40 38 37 36
PWIND DIR NW NW NW NW W W W W
WIND CHAR GN GN LT LT LT LT LT GN
AVG CLOUDS B1 B1 B1 SC SC SC SC B1 B1 SC SC B1 B1 SC SC SC
POP 12HR 30 20 5 20 20 40 20 20
RAIN C C S S
RAIN SHWRS S S S S C C S S S S
MDZ014-132100-
ANNAPOLIS MD
38.99N 76.49W ELEV. 7 FT
144 AM EDT TUE APR 13 2021
DATE TUE 04/13/21 WED 04/14/21 THU 04/15/21
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 62 50 61 52 62
TEMP 48 51 54 57 60 57 54 53 52 54 58 58 59 57 56 55 54 54 58 60 60 56
DEWPT 45 45 45 46 47 47 48 47 47 48 49 50 50 50 51 51 50 50 48 44 40 37
RH 89 80 71 67 62 69 80 80 83 80 72 75 72 77 83 86 86 86 69 55 47 49
WIND DIR N N N N NE SE S S SW S S S S S S SE N NW NW NW NW NW
WIND SPD 5 5 6 5 4 3 4 4 4 4 6 6 8 6 6 3 3 3 8 10 13 10
WIND GUST 20 20
CLOUDS B2 B2 B1 B1 SC SC FW FW SC B2 B2 OV OV B2 OV OV OV OV B2 B1 SC SC
POP 12HR 5 5 60 50 50
QPF 12HR 0 0 0.08 0.12 0.10
SNOW 12HR 00-00 00-00 00-00
RAIN C C C C C
RAIN SHWRS S C C L L C C C C
COAST FLOOD Y Y
DATE FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21
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 59 45 61 48 64 48 64
TEMP 48 48 55 54 49 48 58 57 52 51 61 58 52 52 61 59
DEWPT 37 38 38 38 39 39 39 40 41 42 42 43 43 43 43 41
PWIND DIR NW NW NW NW SW SW SW W
WIND CHAR GN GN LT LT LT LT LT GN
AVG CLOUDS SC B1 B1 B1 SC FW SC B1 B1 SC SC B1 SC B1 B1 SC
POP 12HR 30 20 0 10 10 30 20 20
RAIN C C S S
RAIN SHWRS C C S S S S
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