Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
071 FOUS51 KLWX 241744 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 144 PM EDT Tue Sep 24 2024 VAZ054-242000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 144 PM EDT Tue Sep 24 2024 Date Tue 09/24/24 Wed 09/25/24 Thu 09/26/24 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 66 75 70 82 Temp 68 68 67 66 66 67 67 70 73 74 72 72 71 71 71 75 80 81 77 Dewpt 63 64 65 64 65 66 66 68 69 70 70 69 69 69 70 71 70 69 69 RH 84 87 93 93 97 97 97 93 87 87 93 90 93 93 97 87 72 67 76 Wind dir E E E SE SE SE SE SE SE SE SE SE S S S S S S S Wind spd 10 11 9 10 11 10 10 10 11 11 10 9 8 6 6 9 9 9 8 Clouds OV OV OV OV OV OV B2 OV OV OV OV B2 OV OV OV OV B2 B2 B2 PoP 12hr 50 70 70 30 20 QPF 12hr 0.03 0.26 0.11 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L L L C C C C C C S S S S S Tstms S C C S S S S S S Obvis PF PF Heat index 83 84 Max heat 83 85 Date Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 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 71 77 70 76 65 76 63 75 Temp 73 72 77 74 72 70 75 71 67 65 74 69 65 64 73 70 Dewpt 69 68 67 67 68 66 64 61 61 60 59 58 59 59 58 58 PWind dir SE E E E E E E E Wind char LT GN GN GN GN GN GN GN Avg clouds B2 OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC B1 B1 B1 PoP 12hr 20 50 60 30 30 30 30 30 Rain shwrs S S C C L C C C C S S C C S S C Tstms S S S $$ MDZ013-242000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 144 PM EDT Tue Sep 24 2024 Date Tue 09/24/24 Wed 09/25/24 Thu 09/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 64 72 67 79 Temp 67 68 66 64 65 65 65 68 71 72 70 70 69 69 69 73 78 79 74 Dewpt 62 63 63 62 65 65 65 68 70 71 70 70 69 69 69 73 72 73 73 RH 84 84 90 93100100100100 97 97100100100100100100 82 82 97 Wind dir E E E SE E E E SE SE SE SE SE S S S S S S S Wind spd 9 9 9 8 6 8 8 10 10 9 6 6 5 4 4 6 8 6 5 Wind gust 19 18 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 PoP 12hr 40 70 70 40 20 QPF 12hr 0.01 0.15 0.18 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L L L C C C C C C S S S S Tstms S S S S S S S S Obvis PF PF Coast Flood W W W W W Date Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 76 67 76 62 75 59 74 Temp 69 68 76 72 69 68 74 69 64 62 73 67 61 61 72 67 Dewpt 69 68 68 68 68 66 65 63 61 61 61 60 59 59 59 60 PWind dir E E E E E E E E Wind char LT GN GN GN LT LT LT LT Avg clouds B2 OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC B1 B1 B1 PoP 12hr 20 40 50 30 30 30 30 30 Rain shwrs S C C C C C C C S S C C S S C Tstms S S $$ MDZ011-242000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 144 PM EDT Tue Sep 24 2024 Date Tue 09/24/24 Wed 09/25/24 Thu 09/26/24 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 65 75 70 82 Temp 68 69 66 65 66 66 66 69 72 73 72 72 72 71 70 76 80 82 78 Dewpt 61 63 62 62 64 65 66 67 69 69 69 69 70 70 70 70 70 69 69 RH 78 81 87 90 93 97100 93 90 87 90 90 93 97100 82 72 65 74 Wind dir E E E E E E E SE SE SE SE SE S S S S S S S Wind spd 9 9 9 9 6 8 8 10 10 10 6 6 5 5 4 6 8 8 5 Wind gust 19 19 17 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 PoP 12hr 40 70 70 40 20 QPF 12hr 0.01 0.14 0.19 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L L L C C C C C C S S S S Tstms S S S S S S S S Obvis PF Heat index 83 85 Max heat 83 85 Coast Flood Y Y Y Y Y Y Date Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 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 70 79 70 79 65 77 62 76 Temp 72 72 79 73 71 70 76 71 67 65 75 68 65 64 74 69 Dewpt 68 66 66 66 66 64 62 61 60 59 58 58 58 57 57 58 PWind dir E E E E E E E E Wind char LT GN GN GN LT GN LT LT Avg clouds B2 OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC B1 B1 PoP 12hr 20 40 50 30 30 20 30 30 Rain shwrs S C C C C C C C S S S C S S C Tstms S S $$ WVZ052-242000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 144 PM EDT Tue Sep 24 2024 Date Tue 09/24/24 Wed 09/25/24 Thu 09/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 65 62 72 64 77 Temp 63 63 63 63 62 63 63 67 71 72 68 68 67 66 66 70 76 77 71 Dewpt 62 63 63 63 62 63 63 66 69 69 68 68 67 66 66 70 70 68 68 RH 97100100100100100100 97 93 90100100100100100100 82 74 90 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE S S S S S S SE Wind spd 9 9 6 6 9 9 6 8 9 9 5 5 4 4 3 6 6 6 4 Wind gust 19 19 18 19 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV OV B2 B2 B1 B2 PoP 12hr 60 80 50 40 20 QPF 12hr 0.06 0.17 0.05 0.05 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D L C C C C C C C S S S S S S Tstms S S C S C C S S S S S Obvis PF PF PF PF PF Date Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 73 63 71 58 71 55 71 Temp 65 65 72 68 66 63 69 66 60 58 69 64 58 56 69 64 Dewpt 65 65 67 66 65 63 64 62 60 58 60 60 57 56 59 58 PWind dir E E E E E SE E E Wind char LT GN GN GN LT LT LT LT Avg clouds B2 OV B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 20 50 60 50 40 30 30 30 Rain shwrs S C C L C C C C C C C C C C C Tstms S S $$ VAZ506-242000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 144 PM EDT Tue Sep 24 2024 Date Tue 09/24/24 Wed 09/25/24 Thu 09/26/24 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 67 64 74 67 79 Temp 66 66 65 65 64 65 65 68 71 72 71 70 69 69 69 73 78 79 74 Dewpt 63 64 65 64 64 65 65 68 70 71 71 70 69 69 69 73 74 73 72 RH 90 93100 97100100100100 97 97100100100100100100 88 82 93 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE S S S S S S S Wind spd 6 8 6 8 8 8 8 8 8 8 8 6 4 4 5 6 6 6 5 Wind gust 18 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 50 80 60 40 20 QPF 12hr 0.06 0.30 0.10 0.04 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L D L L L C C C C S S S S S S S Tstms S C C S C C S S S S Obvis PF PF PF PF Date Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 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 68 76 68 75 62 74 58 73 Temp 69 68 75 72 69 68 73 69 64 62 72 67 62 60 71 67 Dewpt 69 68 70 69 69 68 68 64 62 61 63 61 60 58 62 60 PWind dir SE E E E E E E E Wind char LT GN GN GN LT LT LT LT Avg clouds B2 OV B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 20 50 60 40 30 30 30 30 Rain shwrs S S C C L C C C C C S C C C C C Tstms S S S $$ VAZ037-242000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 144 PM EDT Tue Sep 24 2024 Date Tue 09/24/24 Wed 09/25/24 Thu 09/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 67 64 74 66 78 Temp 64 65 65 64 65 65 65 67 71 73 70 69 68 69 67 72 76 77 73 Dewpt 64 65 65 64 65 65 65 67 69 71 70 69 68 69 67 69 69 68 69 RH 100100100100100100100100 93 93100100100100100 90 79 74 87 Wind dir E E NE E E NE E E SE SE SE S S S S S S S SE Wind spd 5 5 4 4 5 4 4 4 5 4 3 3 2 3 3 5 6 6 4 Clouds OV OV OV OV OV OV OV OV OV B2 B2 B2 OV OV OV OV B2 B2 B2 PoP 12hr 70 80 50 30 20 QPF 12hr 0.22 0.80 0.10 0.05 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C L D L L C C C C C C C C S S S S S Tstms S S C C C C C C C C C C S S Obvis PF PF PF Date Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 74 66 74 61 72 58 72 Temp 67 67 72 70 69 66 73 68 64 61 70 66 61 59 70 66 Dewpt 67 67 68 68 68 66 66 63 62 60 61 60 60 58 60 59 PWind dir E E NE E NE NE NE NE Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B2 B1 B1 PoP 12hr 40 80 70 40 30 40 30 40 Rain shwrs S C L D L C C C C C S C C C C C Tstms C C S $$ MDZ003-242000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 144 PM EDT Tue Sep 24 2024 Date Tue 09/24/24 Wed 09/25/24 Thu 09/26/24 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 62 72 66 78 Temp 64 64 63 63 63 63 64 67 70 71 70 69 68 68 67 71 76 78 73 Dewpt 61 62 62 63 62 63 64 66 68 69 69 69 68 68 67 71 72 71 71 RH 90 93 97100 97100100 97 93 93 97100100100100100 87 79 93 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE S S S SW SW SW E Wind spd 9 9 6 8 9 9 8 8 9 9 6 6 6 5 4 6 6 6 4 Wind gust 19 17 20 20 19 Clouds OV OV OV OV OV OV B2 OV OV OV OV B2 B2 OV B2 OV B2 B2 B2 PoP 12hr 70 70 60 50 20 QPF 12hr 0.08 0.11 0.06 0.05 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L L L L C C C C C C S S S S Tstms S S S S C C C C S S S Obvis PF PF PF PF Date Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 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 76 65 74 60 73 56 72 Temp 67 66 74 70 67 65 71 68 62 61 71 66 60 58 70 66 Dewpt 67 65 68 66 65 63 66 63 60 60 63 60 58 57 61 59 PWind dir NE E E E E E E E Wind char LT GN GN GN LT LT LT LT Avg clouds B2 OV B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 40 60 40 30 30 30 30 Rain shwrs S C C L C C C C C C C C C C C Tstms S $$ MDZ017-242000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 144 PM EDT Tue Sep 24 2024 Date Tue 09/24/24 Wed 09/25/24 Thu 09/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 68 77 69 81 Temp 71 71 69 68 69 68 70 72 74 75 73 72 71 70 71 76 79 80 75 Dewpt 64 65 64 65 66 67 69 69 70 70 70 70 70 70 70 72 71 70 70 RH 79 81 84 90 90 97 97 90 87 84 90 93 97100 97 87 77 72 84 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE S S S S S S S Wind spd 10 11 12 12 10 9 11 12 12 12 11 11 8 6 6 8 10 10 9 Clouds OV OV B2 B2 OV OV OV OV B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 PoP 12hr 20 50 50 20 10 QPF 12hr 0.01 0.16 0.16 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C S S S S S S S Tstms S S S S Heat index 83 Max heat 83 Coast Flood W W W Date Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 78 69 79 65 77 63 76 Temp 71 72 77 73 71 71 76 71 67 67 75 69 65 65 74 69 Dewpt 70 70 70 68 70 69 66 63 63 63 61 60 60 61 59 60 PWind dir SE E E E E E E E Wind char LT GN GN GN GN GN LT GN Avg clouds B2 OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 PoP 12hr 20 50 50 20 20 20 20 20 Rain shwrs S S C C C C S S S S S S S S S S Tstms S S S $$ WVZ502-242000- Petersburg WV 38.99N 79.15W Elev. 963 ft 144 PM EDT Tue Sep 24 2024 Date Tue 09/24/24 Wed 09/25/24 Thu 09/26/24 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 77 62 81 Temp 69 69 66 65 64 64 64 70 75 76 71 67 66 65 64 72 79 80 74 Dewpt 65 65 65 65 64 64 64 67 69 68 68 67 66 64 64 67 67 66 67 RH 87 87 97100100100100 90 82 76 90100100 97100 84 67 62 79 Wind dir SE SE E SE SE E SE S SE SE SE S S S S S SE SE E Wind spd 8 6 5 4 2 2 2 3 5 5 3 3 3 3 2 3 5 6 5 Clouds OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 PoP 12hr 70 80 60 40 20 QPF 12hr 0.18 0.42 0.10 0.06 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L D C C C C L L C C C C S S S S S Tstms C S C C C S S C C C C S S S Obvis PF PF PF PF Heat index 82 Max heat 83 Date Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 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 75 61 77 58 74 55 74 Temp 64 64 75 71 66 61 75 68 61 58 72 67 60 56 71 67 Dewpt 64 64 65 66 65 61 64 62 60 58 60 59 58 56 58 57 PWind dir E E E E E E SE SE Wind char LT GN LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B1 B2 B2 B1 B1 PoP 12hr 40 60 60 40 30 30 30 40 Rain shwrs S C C L L C C C C C C C C C C C Tstms S S $$ MDZ014-242000- Annapolis MD 38.99N 76.49W Elev. 7 ft 144 PM EDT Tue Sep 24 2024 Date Tue 09/24/24 Wed 09/25/24 Thu 09/26/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 66 73 69 78 Temp 69 69 67 66 67 67 68 70 71 72 72 71 71 70 70 73 77 78 74 Dewpt 63 62 63 63 65 66 67 68 69 70 70 70 70 70 70 71 71 70 70 RH 81 78 87 90 93 97 97 93 93 93 93 97 97100100 93 82 76 87 Wind dir E SE E SE SE SE SE SE SE SE SE S S S S S S S S Wind spd 10 10 11 10 8 9 9 11 12 11 10 10 8 8 8 9 10 9 6 Wind gust 18 Clouds OV OV OV OV OV OV OV OV OV OV B2 B2 B2 OV OV OV B2 B2 B2 PoP 12hr 30 60 70 30 20 QPF 12hr 0 0.16 0.21 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C L L L C C C C S S S S Tstms S S S S S S Obvis PF PF Coast Flood W W W W W Date Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 75 69 74 65 73 62 72 Temp 71 71 75 72 71 69 73 70 67 65 71 68 64 63 70 68 Dewpt 70 68 69 68 68 67 65 63 62 62 60 60 60 60 59 60 PWind dir SE E E E E E E NE Wind char LT GN GN GN GN GN LT GN Avg clouds B2 OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 B1 PoP 12hr 20 40 50 30 20 20 30 30 Rain shwrs S C C C C C S S S S S C S S C Tstms S S $$