Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
824 FOUS51 KLWX 220838 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 437 AM EDT Sun Sep 22 2024 VAZ054-222000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 437 AM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 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 75 64 74 64 72 Temp 69 67 69 72 75 71 69 66 65 65 71 73 73 69 68 65 65 64 67 70 72 67 Dewpt 66 64 63 63 63 62 62 60 59 60 60 59 58 60 60 60 60 60 61 61 62 62 RH 90 90 81 73 66 73 78 81 81 84 68 62 59 73 76 84 84 87 81 73 71 84 Wind dir NE E E E E SE SE SE SE E SE SE SE E SE SE E E E E E E Wind spd 9 8 6 5 4 4 4 5 4 5 6 6 8 6 8 8 6 8 8 9 9 8 Clouds B2 OV OV B2 B1 SC B1 B2 B2 OV B2 B2 OV B2 B2 OV OV OV OV OV OV OV PoP 12hr 20 5 20 40 50 QPF 12hr 0 0 0.01 0.05 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S S C C C C C C C Obvis PF PF Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 65 75 66 79 63 77 62 76 Temp 67 65 74 72 68 66 76 73 67 63 76 72 66 63 74 70 Dewpt 63 63 64 66 65 65 64 63 60 60 61 61 59 58 59 60 PWind dir SE SE S NW NE NE NE NE Wind char GN GN LT GN GN GN GN GN Avg clouds OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 70 60 30 20 20 20 20 Rain shwrs C L L L L C C C S S S S S S S S Tstms S S S S S $$ MDZ013-222000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 437 AM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 62 72 61 70 Temp 64 65 69 73 76 71 66 63 65 63 68 71 72 67 64 61 61 61 66 69 70 66 Dewpt 64 62 62 61 61 61 60 59 59 59 58 57 58 59 59 58 58 59 60 60 60 60 RH 100 90 78 66 60 71 81 87 81 87 70 61 61 75 84 90 90 93 81 73 71 81 Wind dir E E E E NE SE SE SE E E E E E E E E E E E E E E Wind spd 8 6 6 5 3 3 5 5 5 5 6 6 6 6 9 6 6 6 8 8 9 9 Clouds B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV B2 B2 OV OV PoP 12hr 10 5 20 40 50 QPF 12hr 0 0 0.02 0.07 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C C C C C C L Obvis PF PF Coast Flood W W W W W W W W Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 73 63 77 61 76 59 75 Temp 62 65 73 68 65 65 76 70 64 63 74 68 61 60 74 69 Dewpt 60 62 64 65 63 63 64 62 60 60 60 60 58 57 58 59 PWind dir SE SE S N N NE NE NE Wind char LT LT LT GN LT GN GN GN Avg clouds OV OV OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 70 70 40 20 20 20 20 Rain shwrs L L L L L C C S S S S S Tstms S S S S $$ MDZ011-222000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 437 AM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 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 77 64 73 62 72 Temp 66 66 71 75 76 72 69 68 66 64 70 73 73 69 66 65 65 62 68 71 72 69 Dewpt 63 62 62 61 61 60 60 59 58 58 57 56 57 59 58 57 58 58 59 58 59 59 RH 90 87 73 62 60 66 73 73 75 81 63 55 57 70 75 75 78 87 73 63 64 70 Wind dir E E E E E SE SE SE E E E SE E SE SE E E E E E E E Wind spd 10 6 6 4 3 3 6 5 5 5 6 6 6 6 8 6 6 6 8 9 9 8 Clouds B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV B2 B2 OV B2 PoP 12hr 10 5 20 40 50 QPF 12hr 0 0 0.02 0.05 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C C C C C C L Obvis PF Coast Flood Y Y Y Y Y Y Y Y Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 64 75 65 79 63 78 61 77 Temp 68 65 74 74 69 65 78 74 69 63 77 71 66 62 76 71 Dewpt 60 61 63 64 63 62 63 62 60 59 59 59 59 57 58 59 PWind dir SE SE S N N NE NE NE Wind char LT LT LT GN LT GN GN GN Avg clouds OV OV OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 70 70 40 20 20 10 20 Rain shwrs L L L L L C C S S S S Tstms S S S S $$ WVZ052-222000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 437 AM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 60 68 59 68 Temp 64 65 65 69 71 67 63 62 61 62 64 67 67 63 61 61 59 61 63 66 68 61 Dewpt 64 63 63 63 63 62 61 61 61 60 60 61 62 60 60 60 59 59 60 61 62 61 RH 100 93 93 81 76 84 93 97100 93 87 81 84 90 97 97100 93 90 84 81100 Wind dir N E E E E SE SE SE SE SE SE SE SE E SE SE SE SE SE SE SE SE Wind spd 0 4 6 5 4 3 3 4 6 8 9 9 8 5 5 5 6 6 8 8 8 8 Wind gust 16 Clouds OV OV OV OV B2 B2 B2 OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 20 10 40 70 80 QPF 12hr 0 0 0.12 0.10 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C L L L L L D D D Tstms S S S S S Obvis PF PF PF PF PF Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 72 60 75 57 74 54 73 Temp 59 60 69 66 62 61 74 66 61 59 73 64 57 57 71 63 Dewpt 59 60 63 64 62 61 62 60 57 58 59 58 56 55 57 57 PWind dir SE SE S NW N NE NE NE Wind char LT LT LT LT LT LT LT GN Avg clouds OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 80 80 60 40 20 30 20 20 Rain shwrs D D D D L C C C S S C C S S S S Tstms S S S S S $$ VAZ506-222000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 437 AM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 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 73 62 71 61 70 Temp 67 66 68 71 73 70 65 64 64 63 67 71 71 67 64 62 61 62 66 69 70 66 Dewpt 65 64 64 64 63 62 62 61 59 59 60 60 60 60 60 61 60 60 61 62 63 62 RH 93 93 87 79 71 76 90 90 84 87 78 68 68 78 87 97 97 93 84 78 78 87 Wind dir E E E E E SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 12 8 6 4 4 2 3 5 5 5 6 8 8 8 6 8 6 6 8 8 8 6 Clouds OV OV OV OV B1 B1 B2 B2 OV B2 B2 B2 B2 OV B2 OV OV OV OV OV OV OV PoP 12hr 20 10 20 50 50 QPF 12hr 0 0 0.04 0.05 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C C C C C C C L Obvis PF PF Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 62 73 63 77 60 75 57 75 Temp 62 64 72 70 65 64 76 71 62 61 73 67 60 59 73 69 Dewpt 62 63 65 66 65 64 64 63 60 61 61 60 58 57 59 59 PWind dir SE SE S W NW NE NE NE Wind char LT LT LT LT LT LT GN GN Avg clouds OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 70 70 30 20 20 20 20 Rain shwrs L L L L L C C C S S S S S S S S Tstms S S S S S $$ VAZ037-222000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 437 AM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 63 73 61 70 Temp 64 65 68 73 73 69 67 66 65 63 69 72 73 69 66 65 63 61 67 70 70 66 Dewpt 64 64 66 67 66 64 63 63 62 60 62 62 62 62 61 61 60 60 61 62 64 63 RH 100 97 93 81 79 84 87 90 90 90 78 71 68 78 84 87 90 97 81 76 81 90 Wind dir NE N NE NE E E E SE SE SE S S SE SE SE SE SE E SE SE E E Wind spd 4 4 4 5 6 4 3 2 3 3 4 5 5 3 4 4 4 4 4 5 5 5 Clouds OV B2 B2 B1 SC B2 B2 OV OV OV B2 B2 B2 B2 OV OV OV OV OV OV OV OV PoP 12hr 20 20 20 40 70 QPF 12hr 0 0.01 0 0.06 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C C C L L L Tstms S S Obvis PF PF PF PF PF PF Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 74 63 77 59 75 56 74 Temp 65 63 72 70 67 63 76 70 64 60 74 68 61 57 73 66 Dewpt 63 62 65 65 63 62 62 61 58 58 60 59 57 55 58 58 PWind dir SE SE NW NW NW N NE NE Wind char LT LT LT LT LT LT GN GN Avg clouds OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 70 50 40 30 20 20 40 30 Rain shwrs L L C C C C C C S S S S C C C C Tstms S S S S S S $$ MDZ003-222000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 437 AM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 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 61 68 59 68 Temp 65 64 67 70 71 67 63 63 62 61 64 67 67 64 62 61 59 59 64 67 68 64 Dewpt 61 62 62 62 62 61 60 60 59 58 59 60 61 59 58 58 58 58 60 60 60 60 RH 87 93 84 76 73 81 90 90 90 90 84 78 81 84 87 90 96 96 87 78 76 87 Wind dir N E SE SE E SE SE SE SE SE SE SE SE E E SE SE E SE SE SE SE Wind spd 0 5 5 4 4 4 3 5 6 8 10 9 8 5 6 6 6 6 8 9 8 8 Clouds B2 B2 OV OV B2 B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 OV OV PoP 12hr 20 10 50 60 70 QPF 12hr 0 0 0.13 0.09 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C C C C L L L L L L D Obvis PF PF Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 59 72 61 76 58 75 55 74 Temp 59 61 69 68 63 62 74 68 60 59 73 66 59 56 73 67 Dewpt 59 60 63 64 62 62 62 60 58 58 59 57 56 54 57 56 PWind dir SE SE S NW NE NE NE NE Wind char GN LT LT LT LT GN LT GN Avg clouds OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 80 80 70 40 20 20 20 20 Rain shwrs D D D L L C C S S S S S S S Tstms S S S S $$ MDZ017-222000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 437 AM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 63 74 63 74 Temp 71 68 70 73 74 70 65 64 63 65 69 73 74 68 64 63 63 66 70 73 73 69 Dewpt 66 64 64 63 63 62 60 60 60 60 59 59 60 60 59 60 61 61 61 61 61 61 RH 84 87 81 71 69 76 84 87 90 84 70 62 62 76 84 90 93 84 73 66 66 76 Wind dir SE E E E NE E E E E E E E SE E E E E E E E SE E Wind spd 9 11 10 6 4 8 10 6 6 8 6 5 6 10 9 8 8 8 9 8 9 10 Clouds OV B2 B2 B1 B1 B1 SC B1 B2 B1 B1 B1 B1 B2 B2 B2 OV B2 B2 B2 B2 B2 PoP 12hr 10 10 5 20 40 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C C C Coast Flood Y Y Y Y Y Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 77 67 78 65 77 63 76 Temp 66 68 76 71 68 69 77 72 67 67 76 70 64 66 75 69 Dewpt 63 64 65 65 65 65 64 65 63 63 62 62 62 61 60 61 PWind dir SE SE SE NE NE NE NE NE Wind char GN GN GN GN GN GN GN GN Avg clouds B2 OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 40 40 70 30 20 20 20 20 Rain shwrs C C C C L C C C S S S S S S S S Tstms S S S S $$ WVZ502-222000- Petersburg WV 38.99N 79.15W Elev. 963 ft 437 AM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 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 79 62 75 61 73 Temp 62 62 69 77 79 71 66 65 63 63 70 74 74 69 65 63 62 62 69 72 73 69 Dewpt 61 61 63 63 62 63 63 62 61 61 62 64 64 64 63 62 61 60 62 63 64 65 RH 97 97 81 62 56 76 90 90 93 93 76 71 71 84 93 97 97 93 78 73 73 87 Wind dir NE W E NE NE E SE SE SE S S S SE SE SE S SE SE SE SE SE SE Wind spd 4 2 2 3 5 3 2 2 3 3 5 6 4 4 3 3 2 2 3 4 4 5 Clouds B2 B2 B2 B1 SC B2 OV B2 OV B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV PoP 12hr 10 30 70 70 90 QPF 12hr 0 0.01 0.24 0.16 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C L L L L L C L L D D L Tstms S S C S S S S S S C Obvis PF+PF+ PF PF PF PF Dense Fog Y Y Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 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 60 78 58 78 54 77 52 75 Temp 62 61 77 71 62 59 76 68 58 56 75 66 56 53 74 67 Dewpt 62 61 65 67 62 59 59 61 56 55 58 59 55 52 52 55 PWind dir SE SE S N S N NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 70 80 60 40 30 40 40 40 Rain shwrs L L C D L C C C C S C C C C C C Tstms C S S S S $$ MDZ014-222000- Annapolis MD 38.99N 76.49W Elev. 7 ft 437 AM EDT Sun Sep 22 2024 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 64 72 63 71 Temp 67 66 70 72 75 71 67 65 65 64 68 70 72 67 65 63 63 63 67 71 71 69 Dewpt 64 63 63 62 62 62 61 60 59 59 58 58 59 59 60 58 59 60 61 61 61 61 RH 90 90 78 71 64 73 81 84 81 84 70 66 64 75 84 84 87 90 81 71 71 76 Wind dir E E E E NE SE SE SE E E E E SE SE E E E E E E E E Wind spd 11 8 6 5 4 4 9 6 5 6 6 6 8 10 10 8 8 9 10 10 10 11 Clouds B2 B2 B2 B1 SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 OV B2 PoP 12hr 20 5 10 40 50 QPF 12hr 0 0 0 0.03 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C C C C C C Obvis PF PF Coast Flood W W W W W W W W Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 74 65 76 63 75 62 74 Temp 64 66 73 71 66 66 74 71 66 63 73 70 65 62 73 69 Dewpt 61 63 65 65 64 64 64 63 60 61 61 60 59 58 59 60 PWind dir SE SE S E NE NE NE NE Wind char GN GN GN GN GN GN GN GN Avg clouds B2 OV OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 70 70 40 20 20 20 20 Rain shwrs C L L L L C C S S S S S S Tstms S S S S $$