Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
005 FOUS51 KLWX 230838 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 438 AM EDT Mon Sep 23 2024 VAZ054-232000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 438 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 72 62 71 64 76 Temp 65 63 67 70 71 69 66 64 63 64 65 68 71 68 66 64 64 66 70 73 76 73 Dewpt 59 61 61 61 62 61 62 61 61 62 63 62 63 63 63 64 64 66 67 68 68 68 RH 81 93 81 73 73 76 87 90 93 93 93 81 76 84 90100100100 90 84 76 84 Wind dir SE SE S S SE SE E E E E E E E E E SE SE SE SE SE SE SE Wind spd 8 5 6 6 8 8 9 8 8 8 9 9 9 8 10 9 10 10 12 12 12 11 Clouds OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 20 30 40 60 60 QPF 12hr 0.02 0.09 0.03 0.07 0.07 Snow 12hr 00-00 00-00 00-00 Drizzle O O O O O O Rain shwrs C C C C C C C C C C L L L C C C Tstms S S S S Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 83 69 80 66 78 63 76 Temp 68 70 81 78 72 69 78 74 69 66 75 70 66 64 74 71 Dewpt 68 68 68 67 66 64 64 62 62 61 59 58 59 58 57 56 PWind dir S SW E E E E E E Wind char GN LT LT GN GN GN GN GN Avg clouds OV B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 40 20 10 20 20 20 20 20 Rain shwrs C C S S S S S S S S S Tstms S $$ MDZ013-232000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 438 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 61 70 62 74 Temp 65 63 67 69 69 66 64 62 62 62 65 69 70 65 63 62 64 64 69 72 73 68 Dewpt 61 60 60 61 61 62 60 60 60 61 62 63 62 62 62 62 63 64 67 68 68 67 RH 87 90 78 76 76 87 87 93 93 97 90 81 76 90 97100 97100 93 87 84 97 Wind dir S SE SE SE SE E E E E E E E E E E E SE SE SE SE SE SE Wind spd 1 4 6 6 5 6 8 6 6 6 8 8 6 8 8 6 6 6 9 9 9 6 Wind gust 12 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 30 40 40 60 60 QPF 12hr 0.06 0.09 0.05 0.06 0.14 Snow 12hr 00-00 00-00 00-00 Drizzle O O O Rain shwrs C C C C C C C C C C C C C L L L C C C Tstms S S S Coast Flood W W W W W W W W W W W W W W W W Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 81 66 78 62 75 59 75 Temp 65 66 79 75 68 66 76 71 65 63 73 67 61 61 73 68 Dewpt 65 66 70 69 65 64 64 64 60 60 60 59 58 58 58 58 PWind dir S SW N NE E E E E Wind char LT LT LT LT LT GN LT LT Avg clouds OV OV B2 B1 B1 B1 B1 B1 SC SC B1 SC SC SC SC SC PoP 12hr 40 20 10 20 20 20 20 10 Rain shwrs C C S S S S S S S S Tstms S S $$ MDZ011-232000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 438 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 72 63 72 65 76 Temp 66 65 70 71 71 68 66 66 65 63 68 69 72 67 68 65 67 65 71 73 75 73 Dewpt 60 61 60 60 61 61 59 60 60 59 60 62 61 62 61 62 63 64 65 65 66 65 RH 81 87 71 68 71 78 78 81 84 87 76 78 68 84 78 90 87 97 81 76 74 76 Wind dir SE SE SE SE SE E E E E E E E E E E E SE SE SE SE SE SE Wind spd 6 4 6 6 5 8 8 6 6 6 8 9 8 8 8 8 6 6 10 10 10 6 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 40 40 40 60 60 QPF 12hr 0.07 0.08 0.05 0.06 0.15 Snow 12hr 00-00 00-00 00-00 Drizzle O O O Rain shwrs C C C C C C C C C C C C C L L L C C C Tstms S S Coast Flood Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 69 84 68 81 65 78 62 77 Temp 72 69 82 78 72 68 79 74 69 65 76 72 66 62 75 72 Dewpt 66 67 68 67 64 63 61 61 60 58 58 57 57 56 57 56 PWind dir S SW N NE E E E E Wind char LT LT LT LT LT GN LT LT Avg clouds OV OV B2 B1 B1 B1 SC B1 SC SC B1 SC SC SC SC SC PoP 12hr 50 20 10 20 20 20 20 10 Rain shwrs C C S S S S S S Tstms S $$ WVZ052-232000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 438 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 58 66 59 71 Temp 63 62 63 68 69 65 64 62 59 59 61 65 66 61 62 61 59 60 65 70 70 65 Dewpt 63 61 60 62 63 62 62 61 59 59 61 63 63 61 62 61 59 60 64 66 66 65 RH 100 97 90 81 81 90 93 97100100100 93 90100100100100100 97 87 87100 Wind dir SE S S SE SE E E SE E SE SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 4 9 10 10 9 6 5 5 8 8 9 9 9 6 6 6 8 8 9 9 9 5 Wind gust 14 Clouds OV OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 60 60 60 70 60 QPF 12hr 0.23 0.19 0.12 0.15 0.11 Snow 12hr 00-00 00-00 00-00 Drizzle O Rain shwrs C L C C L L C C L L L L L L L L L L L L C Tstms S S S S S S S Obvis PF PF PF PF PF PF PF Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 79 61 75 59 72 56 71 Temp 62 61 77 72 63 63 73 67 61 60 70 64 58 58 69 64 Dewpt 62 61 67 65 63 62 63 62 61 58 60 59 57 56 57 57 PWind dir S NW NE E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 50 20 10 20 30 20 20 20 Rain shwrs C C S S S S C S S S S S S S Tstms S $$ VAZ506-232000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 438 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 69 63 75 Temp 66 64 68 70 70 67 65 62 62 61 65 68 69 67 64 64 63 65 68 72 74 70 Dewpt 61 61 61 61 62 62 62 62 61 61 63 64 64 64 64 64 63 65 68 69 69 68 RH 84 90 78 73 76 84 90100 97100 93 87 84 90100100100100100 90 84 93 Wind dir S S S S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 6 6 9 9 8 6 6 8 8 6 8 8 6 5 6 6 6 6 9 8 8 6 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 30 50 50 70 60 QPF 12hr 0.05 0.13 0.03 0.16 0.08 Snow 12hr 00-00 00-00 00-00 Drizzle O O O Rain shwrs C C C C C C C C C C L C L L L L C C C Tstms S S S S Obvis PF PF PF Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 81 66 78 62 75 58 74 Temp 66 66 79 75 67 66 76 71 65 62 73 67 61 60 72 68 Dewpt 66 66 71 69 66 65 67 65 62 61 62 60 59 58 60 59 PWind dir S SW E NE E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 50 20 20 20 30 20 20 20 Rain shwrs C C S S S S C S S S S S S Tstms S $$ VAZ037-232000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 438 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 61 68 61 74 Temp 64 63 65 69 70 68 66 65 62 62 65 67 68 66 66 66 64 62 67 72 73 69 Dewpt 63 61 62 64 65 64 64 63 62 61 63 64 65 64 63 64 64 62 65 66 66 66 RH 97 93 90 84 84 87 93 93100 97 93 90 90 93 90 93100100 93 81 79 90 Wind dir SE S S S S E E E E E E E E E E E E E SE SE SE E Wind spd 3 5 5 8 5 3 3 3 4 4 4 5 4 3 3 3 4 4 5 5 5 4 Clouds OV OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 30 50 50 70 50 QPF 12hr 0.07 0.27 0.07 0.38 0.03 Snow 12hr 00-00 00-00 00-00 Drizzle O O O O O Rain shwrs C C C C C C C C L L L L C C C C C Tstms S S S S S S S S Obvis PF PF PF PF PF PF Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 80 65 77 62 74 58 72 Temp 66 65 78 74 67 65 75 69 66 62 71 66 60 58 70 66 Dewpt 66 65 67 67 67 65 65 64 64 62 63 60 59 58 59 58 PWind dir S S NE E NE NE NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 40 20 20 30 30 30 30 20 Rain shwrs C C S S S S C C C C C C C S S S Tstms S S $$ MDZ003-232000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 438 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 68 59 67 60 73 Temp 65 62 64 67 68 65 63 62 60 60 63 65 67 66 61 61 61 62 66 70 72 68 Dewpt 62 61 60 62 61 61 61 60 59 59 61 62 63 62 61 61 61 62 66 69 68 67 RH 90 97 87 84 78 87 93 93 96 96 93 90 87 87100100100100100 97 87 97 Wind dir S SE SE SE SE E E E E E SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 9 10 11 11 6 4 4 5 6 6 8 8 8 8 5 6 6 6 8 8 8 4 Clouds OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV PoP 12hr 70 80 70 80 60 QPF 12hr 0.20 0.13 0.12 0.20 0.18 Snow 12hr 00-00 00-00 00-00 Drizzle O Rain shwrs C L L L D D L L L L L L D D D D L L L L C Tstms S S S S S S Obvis PF PF PF PF PF PF PF PF Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 63 80 63 77 60 73 56 72 Temp 64 65 78 73 65 63 75 69 62 60 71 66 59 58 70 66 Dewpt 64 65 69 67 64 61 64 62 60 57 61 59 57 56 60 58 PWind dir S W NE NE NE E E E Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 SC SC B1 SC B1 SC B1 SC SC SC PoP 12hr 50 20 10 20 20 20 20 20 Rain shwrs C C S S S S S S S S S S S S Tstms S $$ MDZ017-232000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 438 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 63 73 65 77 Temp 67 66 69 71 72 67 65 64 63 65 68 72 73 68 66 66 67 70 73 75 76 71 Dewpt 59 60 59 59 60 61 61 61 61 62 62 63 63 63 65 66 66 66 67 67 66 66 RH 75 81 70 66 66 81 87 90 93 90 81 73 71 84 97100 97 87 81 76 71 84 Wind dir E E SE SE SE SE E E E E E E E E E SE SE SE SE SE SE SE Wind spd 3 6 8 8 9 11 10 9 9 9 10 9 10 11 10 9 9 10 12 12 12 10 Clouds B2 B1 B1 B2 B2 OV OV OV OV OV OV OV B2 OV OV OV OV OV OV B2 B2 B2 PoP 12hr 10 20 30 40 40 QPF 12hr 0 0.03 0.02 0.02 0.03 Snow 12hr 00-00 00-00 00-00 Drizzle O O O O O O O O O O O O O O Rain shwrs C C C C C S S S Tstms S S S Coast Flood W W W W W W W W W W W W W W Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 82 68 79 66 77 62 77 Temp 68 70 80 75 70 70 77 72 68 68 75 69 64 64 75 70 Dewpt 68 69 70 69 68 67 67 65 64 63 61 59 59 60 60 58 PWind dir S S SE NE E E NE NE Wind char GN LT LT GN GN GN GN GN Avg clouds B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 20 10 10 20 20 20 10 10 Rain shwrs S S S S S S S Tstms S $$ WVZ502-232000- Petersburg WV 38.99N 79.15W Elev. 963 ft 438 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 78 61 72 60 77 Temp 64 62 71 77 78 70 67 64 62 61 65 70 71 68 64 62 60 61 69 75 76 72 Dewpt 63 62 65 66 66 66 65 64 62 61 63 63 63 63 62 62 60 61 63 64 64 65 RH 97100 81 69 67 87 93100100100 93 78 76 84 93100100100 81 69 66 79 Wind dir NE SE S S E E NE NE N E SE SE SE SE SE SE SE SE SE S SE SE Wind spd 4 3 5 4 5 3 2 2 2 2 4 6 6 3 4 2 4 3 4 6 5 4 Clouds OV OV B2 B2 B1 B2 B2 OV OV OV B2 B2 OV OV OV OV OV B2 OV OV OV B2 PoP 12hr 70 50 70 70 60 QPF 12hr 0.31 0.14 0.21 0.12 0.20 Snow 12hr 00-00 00-00 00-00 Drizzle O O O O Rain shwrs L C L L C L L L L L L L L L L L L C Tstms S S S S S S S S S S S Obvis PF PF PF PF PF PF Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 83 60 78 57 75 54 74 Temp 64 61 81 75 64 60 76 70 62 58 73 67 57 55 72 67 Dewpt 63 61 65 65 63 60 63 63 61 58 60 59 57 55 57 56 PWind dir S E NE E E E E SE Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B1 B1 B2 B1 B1 B2 B2 B1 SC B1 B1 SC SC PoP 12hr 40 20 20 30 30 30 20 20 Rain shwrs C C S S S C S C C C S S S S S Tstms S $$ MDZ014-232000- Annapolis MD 38.99N 76.49W Elev. 7 ft 438 AM EDT Mon Sep 23 2024 Date Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 64 71 65 73 Temp 66 65 68 71 71 68 66 66 66 64 67 70 71 66 67 66 66 65 69 72 72 70 Dewpt 60 60 60 60 62 61 60 60 61 61 61 62 62 62 63 64 65 65 66 66 66 66 RH 81 84 76 68 73 78 81 81 84 90 81 76 73 87 87 93 97100 90 81 81 87 Wind dir SE SE SE SE SE SE SE E E E E E E E SE SE SE SE SE SE SE SE Wind spd 6 6 8 8 8 10 10 8 8 9 9 8 9 10 9 8 8 9 11 13 12 10 Clouds OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV OV OV OV OV PoP 12hr 30 30 40 60 60 QPF 12hr 0.03 0.06 0.04 0.05 0.12 Snow 12hr 00-00 00-00 00-00 Drizzle O O O O O O Rain shwrs C C C C C C C C C C L L L C C C Tstms S S S Coast Flood W W W W W W W W W W W W W W W W Date Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 79 68 77 65 74 62 73 Temp 70 68 77 75 71 68 75 71 68 65 72 69 65 63 71 69 Dewpt 67 68 70 69 67 66 65 64 62 62 61 59 59 59 59 58 PWind dir S SW E NE E E E NE Wind char GN LT LT GN LT GN LT GN Avg clouds B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC PoP 12hr 40 20 10 20 20 20 20 10 Rain shwrs C C S S S S S S S Tstms S S $$