Point Forecast Matrices Issued by NWS Sterling, VA
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FOUS51 KLWX 191220
PFMLWX
Point Forecast Matrices
National Weather Service Baltimore MD/Washington DC
820 AM EDT Fri Apr 19 2024
VAZ054-192000-
Reagan National Airport-Arlington VA
38.86N 77.03W Elev. 66 ft
820 AM EDT Fri Apr 19 2024
Date Fri 04/19/24 Sat 04/20/24 Sun 04/21/24
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 53 71 46 63
Temp 56 62 64 60 58 56 54 54 62 68 69 63 56 50 46 48 55 60 61 58
Dewpt 47 49 51 51 51 51 48 41 35 34 34 33 32 31 29 30 29 30 31 32
RH 72 62 63 72 77 83 80 61 36 28 27 32 40 48 51 49 37 32 32 37
Wind dir SE SE SE SE SE W N N NW NW NW NW N N N N NW W W NW
Wind spd 8 9 12 10 6 4 9 12 12 12 14 13 13 11 6 5 8 9 9 6
Clouds OV OV B2 B2 B2 B2 B2 B2 SC SC SC FW SC SC SC B1 B2 B2 B2 B2
PoP 12hr 30 40 5 0 5
QPF 12hr 0.01 0.02 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C S
Date Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
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 68 47 71 54 70 42 63
Temp 49 49 66 62 50 50 70 65 57 56 69 62 46 44 60 57
Dewpt 33 34 31 33 35 39 37 39 43 46 43 37 29 28 27 29
PWind dir NW N S S S W NW NW
Wind char LT LT LT GN GN GN GN GN
Avg clouds B1 SC FW FW CL CL FW SC B1 B2 SC SC FW FW FW FW
PoP 12hr 0 0 0 0 30 30 10 5
Rain shwrs S C C C
$$
MDZ013-192000-
Baltimore/Washington Airport-Anne Arundel MD
39.19N 76.67W Elev. 154 ft
820 AM EDT Fri Apr 19 2024
Date Fri 04/19/24 Sat 04/20/24 Sun 04/21/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 62 51 69 42 62
Temp 53 60 62 59 56 54 52 53 60 67 67 60 54 47 43 45 54 59 60 56
Dewpt 45 48 49 50 51 51 48 42 36 36 35 34 33 31 29 30 29 31 31 33
RH 74 64 62 72 83 90 86 66 41 32 30 37 45 53 57 55 38 34 33 42
Wind dir SE SE SE SE SE W NW NW NW W NW NW NW NW NW NW W W W W
Wind spd 8 6 9 6 5 4 6 9 11 13 14 11 11 8 5 4 8 10 10 5
Clouds OV OV B2 B2 B2 OV B2 B2 SC SC SC FW FW SC SC SC B1 B2 B1 B1
PoP 12hr 20 40 5 0 5
QPF 12hr 0 0.03 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C S
Obvis PF
Coast Flood Y Y Y Y Y Y Y
Date Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 43 67 44 69 52 69 40 62
Temp 46 47 65 59 46 48 67 62 53 54 68 61 44 42 59 56
Dewpt 33 34 32 35 36 39 39 40 44 46 45 40 31 29 29 31
PWind dir NW NW S S S W NW NW
Wind char LT LT LT GN GN GN BZ GN
Avg clouds B1 FW FW FW CL FW FW SC B1 B2 B1 SC FW FW FW FW
PoP 12hr 0 0 0 0 40 40 10 5
Rain shwrs S C C C
$$
MDZ011-192000-
Baltimore Inner Harbor-Baltimore City MD
39.28N 76.61W Elev. 20 ft
820 AM EDT Fri Apr 19 2024
Date Fri 04/19/24 Sat 04/20/24 Sun 04/21/24
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 53 74 49 67
Temp 56 60 61 59 57 56 54 54 63 70 72 63 59 53 50 49 59 63 65 61
Dewpt 45 47 49 50 51 51 48 41 35 35 34 33 31 29 29 29 28 30 30 32
RH 66 62 65 72 80 83 80 61 35 27 25 32 34 39 44 46 30 29 27 33
Wind dir SE SE SE SE S W NW NW NW W NW NW NW NW NW NW W W W W
Wind spd 8 8 10 5 5 3 8 11 12 12 14 12 12 10 5 4 8 10 10 6
Clouds OV OV B2 B2 OV OV OV B2 SC SC SC FW FW FW SC SC B1 B1 B1 B1
PoP 12hr 20 50 5 0 5
QPF 12hr 0 0.03 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S S C C
Date Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
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 49 71 51 74 56 74 46 67
Temp 54 50 70 66 55 52 72 67 61 56 73 67 53 46 64 62
Dewpt 32 32 30 33 35 37 37 39 44 45 43 37 29 27 27 29
PWind dir NW NW S S S W NW NW
Wind char GN LT LT GN GN GN BZ GN
Avg clouds B1 FW FW FW FW FW FW SC B2 B2 B1 SC FW FW FW FW
PoP 12hr 0 0 0 5 40 40 10 5
Rain shwrs S C C C
$$
WVZ052-192000-
Martinsburg Airport-Berkeley WV
39.41N 77.98W Elev. 558 ft
820 AM EDT Fri Apr 19 2024
Date Fri 04/19/24 Sat 04/20/24 Sun 04/21/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 62 46 65 37 59
Temp 54 58 61 61 57 52 47 49 57 63 63 56 48 42 38 41 49 56 57 53
Dewpt 49 49 51 51 51 49 41 38 35 34 33 31 29 28 27 29 29 29 30 31
RH 83 72 70 70 80 89 79 66 43 34 32 38 47 57 64 62 46 35 35 43
Wind dir SE SE S SE NW NW NW NW NW W NW NW NW NW W W W W W NW
Wind spd 9 10 9 5 4 6 8 8 12 17 17 10 9 4 4 4 9 11 11 8
Wind gust 28
Clouds OV OV OV OV B2 B1 B1 SC FW SC SC FW FW SC SC B1 B1 B1 B1 B1
PoP 12hr 40 60 0 0 5
QPF 12hr 0.04 0.05 0 0 0
Snow 12hr 00-00 00-00 00-00
Drizzle O
Rain shwrs C C L C
Date Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 37 64 39 69 50 65 34 59
Temp 41 43 61 56 42 44 67 62 52 53 64 55 38 37 56 53
Dewpt 28 31 30 32 31 35 37 38 41 44 40 32 27 26 26 28
PWind dir NW NW SW S S W NW NW
Wind char LT LT LT GN GN GN GN GN
Avg clouds SC FW FW FW CL FW FW SC B1 B2 SC FW FW FW FW FW
PoP 12hr 0 0 0 10 50 40 5 5
Rain shwrs C C C C
$$
VAZ506-192000-
Washington Dulles Airport-Loudoun VA
38.96N 77.45W Elev. 321 ft
820 AM EDT Fri Apr 19 2024
Date Fri 04/19/24 Sat 04/20/24 Sun 04/21/24
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 69 42 62
Temp 58 61 64 61 56 55 51 52 60 67 68 60 53 46 43 45 53 59 60 56
Dewpt 47 49 50 51 52 52 47 41 36 35 35 34 33 31 30 30 30 31 32 34
RH 67 65 60 70 86 90 86 66 41 30 29 37 46 55 60 55 41 34 35 43
Wind dir SE S SE SE S NW N N NW NW NW NW N N NW NW NW W W NW
Wind spd 8 8 9 6 5 4 9 9 12 13 13 10 9 6 3 3 6 9 8 5
Wind gust 24
Clouds OV OV B2 B2 B2 B2 B1 B1 SC FW SC FW SC SC SC SC B2 B2 B1 B2
PoP 12hr 30 40 0 0 5
QPF 12hr 0.03 0.02 0 0 0
Snow 12hr 00-00 00-00 00-00
Drizzle O
Rain shwrs S C S C S
Obvis PF
Date Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
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 66 42 71 52 70 39 62
Temp 46 46 64 58 46 46 70 65 54 53 69 62 44 42 59 55
Dewpt 33 34 32 35 35 37 39 40 43 46 45 38 32 29 29 32
PWind dir NW N SE S S W NW NW
Wind char LT LT LT GN GN GN GN GN
Avg clouds B1 FW FW FW CL FW FW SC B1 B2 SC FW FW FW FW FW
PoP 12hr 0 0 0 5 40 30 10 5
Rain shwrs S C C C
$$
VAZ037-192000-
Charlottesville Airport-Albemarle VA
38.14N 78.45W Elev. 640 ft
820 AM EDT Fri Apr 19 2024
Date Fri 04/19/24 Sat 04/20/24 Sun 04/21/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 69 55 74 46 65
Temp 60 64 68 66 63 60 57 57 65 71 73 65 58 53 48 47 56 62 64 59
Dewpt 51 52 54 54 55 54 50 45 41 37 34 33 31 31 30 30 31 32 33 35
RH 72 65 61 65 75 81 77 64 41 29 24 30 36 43 49 51 38 32 31 40
Wind dir SE S S S W N N N NW W W NW NW N N NE S SW SW NE
Wind spd 5 5 5 4 3 3 4 5 6 9 10 6 5 5 3 3 5 6 5 5
Clouds OV OV B2 B2 OV B2 B2 B1 SC FW FW SC B1 B1 SC SC B2 B2 B2 B2
PoP 12hr 40 30 10 5 10
QPF 12hr 0.02 0.06 0 0 0
Snow 12hr 00-00 00-00 00-00
Drizzle O
Rain shwrs C C S C S
Tstms S
Date Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 43 70 44 73 53 73 41 67
Temp 49 47 68 62 47 46 70 67 56 54 72 66 48 42 63 60
Dewpt 31 31 30 32 33 34 36 38 40 42 41 36 29 26 27 31
PWind dir NW NE S S S W N N
Wind char LT LT LT GN GN GN GN LT
Avg clouds B1 SC FW FW FW FW FW SC B1 B1 SC FW FW FW FW FW
PoP 12hr 5 0 0 0 20 30 5 10
Rain shwrs S S C C
$$
MDZ003-192000-
Hagerstown Airport-Washington MD
39.71N 77.73W Elev. 705 ft
820 AM EDT Fri Apr 19 2024
Date Fri 04/19/24 Sat 04/20/24 Sun 04/21/24
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 61 46 64 37 59
Temp 55 58 61 59 57 52 47 49 58 62 62 54 46 40 38 41 50 57 57 52
Dewpt 48 49 51 51 52 49 41 39 36 35 34 32 30 28 28 29 31 31 32 32
RH 77 72 70 75 83 89 79 68 44 36 35 43 53 62 67 62 48 37 38 46
Wind dir SE SE S S W NW NW NW W W NW NW NW NW W W W W W NW
Wind spd 10 11 11 8 5 5 6 8 12 18 18 10 9 5 4 4 10 11 12 8
Wind gust 29
Clouds OV OV B2 OV B2 B1 B2 SC SC SC B1 FW FW SC SC B1 B1 B1 SC B1
PoP 12hr 50 50 0 0 5
QPF 12hr 0.03 0.03 0 0 0
Snow 12hr 00-00 00-00 00-00
Drizzle O
Rain shwrs C C C C
Date Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
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 38 64 40 69 50 65 35 59
Temp 42 43 62 56 42 45 67 62 53 52 65 54 39 38 56 53
Dewpt 30 33 32 33 32 36 40 40 43 46 43 35 29 27 28 30
PWind dir NW NW S S S W NW NW
Wind char LT LT LT GN GN BZ GN GN
Avg clouds SC FW FW FW CL FW FW B1 B2 B2 B1 FW FW FW FW FW
PoP 12hr 0 0 0 10 60 40 10 5
Rain shwrs C L C C
$$
MDZ017-192000-
Patuxent River NAS MD
38.29N 76.41W Elev. 39 ft
820 AM EDT Fri Apr 19 2024
Date Fri 04/19/24 Sat 04/20/24 Sun 04/21/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 63 54 69 47 62
Temp 57 61 62 58 55 55 55 56 62 67 67 61 56 51 48 49 56 60 60 55
Dewpt 49 50 51 51 52 52 52 49 43 41 42 43 40 36 33 33 32 33 35 37
RH 75 67 67 77 90 90 90 77 50 39 40 51 55 56 56 54 40 36 39 51
Wind dir E SE SE SE SE S NW N N N W NW N N N N N NW W S
Wind spd 8 9 10 10 9 5 5 11 12 8 8 8 10 11 8 8 8 6 5 6
Clouds OV OV B2 B2 B2 B2 OV OV B2 SC SC SC B1 SC SC SC B2 B2 B2 B2
PoP 12hr 20 50 10 0 10
QPF 12hr 0 0.05 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C C C
Obvis PF
Coast Flood Y Y Y Y Y Y
Date Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 47 65 47 68 53 71 43 62
Temp 50 51 64 58 48 51 68 60 53 55 71 62 48 45 60 55
Dewpt 38 38 34 37 40 41 39 43 46 47 48 44 34 33 31 34
PWind dir W N S S S W NW NW
Wind char LT GN LT GN BZ GN BZ GN
Avg clouds B2 SC FW FW CL CL FW FW SC B1 B1 SC FW FW FW FW
PoP 12hr 10 0 0 0 20 30 10 5
Rain shwrs S C C
$$
WVZ502-192000-
Petersburg WV
38.99N 79.15W Elev. 963 ft
820 AM EDT Fri Apr 19 2024
Date Fri 04/19/24 Sat 04/20/24 Sun 04/21/24
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 71 48 64 38 59
Temp 64 67 69 66 59 54 49 49 56 63 63 55 49 43 39 41 49 56 58 52
Dewpt 52 55 58 58 54 48 43 38 33 32 32 32 31 31 30 29 28 29 29 30
RH 65 65 68 75 83 80 80 66 42 31 31 41 50 62 70 62 44 35 33 43
Wind dir S S S SW N N N NW W W W NW NW NW W W W W NW NW
Wind spd 4 5 4 3 3 4 4 4 11 13 13 8 4 3 2 3 6 8 9 8
Wind gust 24
Clouds OV OV B2 B2 B2 B1 B2 FW FW FW FW FW B1 B1 SC B1 B1 B1 SC SC
PoP 12hr 80 40 5 0 5
QPF 12hr 0.19 0.03 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C L C
Tstms S C S
Date Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
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 36 65 40 72 50 65 35 62
Temp 41 41 62 56 42 44 69 63 52 50 62 56 39 37 58 52
Dewpt 30 31 33 35 33 36 39 42 43 46 43 37 31 28 30 33
PWind dir W NW W S SW W NW NW
Wind char LT LT LT GN GN GN GN GN
Avg clouds SC FW CL FW FW FW FW SC B1 B1 SC SC FW FW FW FW
PoP 12hr 0 0 0 10 50 40 5 5
Rain shwrs C C C C
$$
MDZ014-192000-
Annapolis MD
38.99N 76.49W Elev. 7 ft
820 AM EDT Fri Apr 19 2024
Date Fri 04/19/24 Sat 04/20/24 Sun 04/21/24
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 61 53 69 46 61
Temp 54 58 60 58 56 55 54 55 61 66 67 62 56 50 47 48 54 58 59 57
Dewpt 46 49 51 51 52 51 50 44 37 38 38 37 37 34 32 31 30 32 33 35
RH 74 72 72 77 86 86 86 66 41 36 34 39 49 54 56 51 40 37 37 43
Wind dir SE SE S S S SW NW NW NW NW NW NW NW N N NW NW W W W
Wind spd 8 8 9 8 6 5 5 10 11 11 13 12 11 10 8 5 8 9 9 5
Clouds OV OV B2 B2 B2 OV B2 B2 SC SC SC FW SC SC SC SC B2 B1 B2 B2
PoP 12hr 20 40 5 0 5
QPF 12hr 0 0.02 0 0 0
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C S
Coast Flood Y Y Y Y Y Y Y
Date Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 47 65 47 67 54 68 43 60
Temp 50 49 62 60 51 48 67 64 56 55 68 63 49 43 58 56
Dewpt 35 36 35 37 40 40 41 42 46 47 46 40 34 31 30 32
PWind dir NW N S S S W NW NW
Wind char LT LT LT GN GN BZ BZ GN
Avg clouds B1 SC FW FW CL CL FW SC B1 B1 B1 SC FW FW FW FW
PoP 12hr 0 0 0 0 30 30 10 5
Rain shwrs C C C
$$