Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
737 FOUS51 KLWX 180538 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 137 AM EDT Tue Jun 18 2024 VAZ054-182000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 137 AM EDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 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 93 70 91 70 93 Temp 74 76 86 91 91 86 77 74 72 73 82 88 90 85 77 73 70 75 83 90 93 88 Dewpt 65 66 66 67 65 63 63 65 64 66 65 64 63 64 65 66 66 66 65 64 63 64 RH 74 71 51 45 42 46 62 74 76 79 56 45 41 50 67 79 87 74 55 42 37 45 Wind dir S S S S SE SE S S S S S SE SE SE SE S S S S S SE SE Wind spd 8 9 8 10 12 11 9 6 5 6 6 9 10 10 8 6 6 4 5 5 8 9 Clouds FW SC FW SC SC FW FW FW B1 FW SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 88 94 93 87 84 89 91 86 85 91 94 89 Max heat 94 96 84 89 91 83 91 94 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 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 73 96 76 97 77 97 78 93 Temp 76 77 93 89 79 80 95 89 81 80 94 89 81 80 90 85 Dewpt 65 66 65 66 68 68 68 67 70 71 68 69 70 71 66 66 PWind dir S S S S S S SW SW Wind char LT LT LT LT LT GN GN GN Avg clouds FW SC SC SC SC FW FW SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 0 5 10 20 20 20 30 40 Rain shwrs S S S C S S C Tstms S S S C S C $$ MDZ013-182000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 137 AM EDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 67 90 67 92 Temp 71 74 85 90 91 84 75 70 67 71 81 87 89 83 74 71 68 72 83 89 91 85 Dewpt 64 66 67 67 65 64 64 65 65 67 66 63 62 64 65 66 65 67 67 66 64 65 RH 79 76 55 47 42 51 69 84 93 87 60 45 41 53 74 84 90 84 59 47 41 51 Wind dir S S S SE SE S S S S S SE SE SE SE S S SW S S SE SE S Wind spd 4 6 5 9 11 10 6 4 4 4 5 8 9 8 6 5 5 2 4 6 6 5 Clouds SC SC SC SC FW FW FW SC SC FW SC SC SC B1 SC B1 SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 88 93 93 85 83 88 89 84 86 92 93 87 Max heat 93 93 88 90 82 92 93 Coast Flood Y Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 95 72 95 74 95 76 93 Temp 71 76 92 86 75 78 93 86 75 78 92 85 78 78 90 83 Dewpt 66 68 67 68 69 70 70 68 70 72 70 71 70 71 68 68 PWind dir S S S S S S SW SW Wind char LT LT LT LT LT LT LT GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 0 10 10 20 20 20 30 40 Rain shwrs S S S C S S C Tstms S S S C S S C $$ MDZ011-182000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 137 AM EDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 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 95 73 93 74 95 Temp 75 76 87 92 93 86 81 76 74 73 86 91 92 87 81 77 74 78 88 93 94 87 Dewpt 65 65 65 66 65 64 64 64 65 65 64 62 61 63 65 65 66 65 64 64 62 62 RH 71 69 48 43 40 48 56 66 74 76 48 38 36 45 58 67 76 64 45 38 35 43 Wind dir SE S S SE SE S S S S S SE SE SE SE S S SW S S SE SE S Wind spd 4 5 5 9 11 9 8 4 3 4 6 9 9 8 6 5 5 2 3 6 6 5 Clouds SC SC SC SC FW FW FW SC SC FW SC SC SC B1 SC B1 SC SC FW SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 89 95 95 87 83 87 92 92 88 83 89 95 95 87 Max heat 95 97 85 92 92 86 95 96 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 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 76 97 78 97 79 97 79 95 Temp 77 78 94 89 81 81 94 88 81 80 94 87 83 80 91 85 Dewpt 65 65 65 67 68 68 68 66 69 70 68 69 69 69 66 66 PWind dir S S S S S S SW SW Wind char LT LT LT LT LT LT LT GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 0 10 20 20 20 20 40 40 Rain shwrs S S S S C S S C Tstms S S S S C S S C $$ WVZ052-182000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 137 AM EDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 63 91 63 92 Temp 68 74 85 90 92 88 77 71 66 71 81 88 91 85 74 69 64 70 81 88 91 87 Dewpt 68 68 70 68 66 66 64 62 62 64 65 64 62 63 63 63 63 64 65 63 61 64 RH 100 82 61 49 43 48 64 73 87 79 58 45 38 48 69 81 97 81 58 43 37 46 Wind dir S S SE SE SE SE SE SE S SE SE SE SE SE SE S S S S SE SE SE Wind spd 2 3 6 10 10 9 5 4 3 3 4 8 8 5 5 5 4 1 2 4 5 4 Clouds SC SC SC SC SC FW FW SC SC FW B1 SC B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 5 0 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Heat index 90 94 95 90 83 89 92 86 83 89 91 88 Max heat 94 96 83 89 92 83 89 92 Heat Y Y Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 93 68 94 69 92 69 90 Temp 69 74 91 84 71 76 90 86 73 76 90 84 73 75 86 82 Dewpt 63 66 65 67 66 67 67 66 66 69 66 64 66 66 63 63 PWind dir S SE SW SW S S SW W Wind char LT LT LT LT LT LT LT GN Avg clouds SC FW SC SC SC FW FW SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 5 20 10 30 20 30 30 40 Rain shwrs S C S C C S S C Tstms S C S C C S S C $$ VAZ506-182000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 137 AM EDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 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 95 66 92 67 94 Temp 71 75 87 93 95 89 77 71 67 71 83 90 91 86 75 70 67 72 84 91 93 88 Dewpt 65 66 68 68 68 65 62 63 64 66 66 64 63 64 65 65 65 67 68 66 65 66 RH 81 74 53 44 42 45 60 76 90 84 57 42 40 48 71 84 93 84 59 44 40 48 Wind dir S S S S S SE SE S SE S S SE SE SE SE S S S S S S SE Wind spd 5 8 6 8 10 10 8 5 4 5 5 8 8 8 8 5 5 2 2 4 4 5 Clouds SC SC FW SC SC SC FW FW B1 FW SC B1 SC SC SC SC SC SC SC SC SC FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 91 97100 91 85 91 92 87 87 94 95 90 Max heat 97 100 85 91 93 84 94 95 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 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 97 72 98 74 97 74 93 Temp 71 76 94 89 75 78 95 89 76 79 94 87 78 78 90 84 Dewpt 65 68 68 68 68 70 70 68 69 71 70 68 69 71 68 67 PWind dir S S S S S S SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC FW FW SC SC SC SC B1 B1 B1 SC SC PoP 12hr 0 10 10 30 20 20 30 40 Rain shwrs C S S C S S C Tstms C S S C S C $$ VAZ037-182000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 137 AM EDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 66 92 66 94 Temp 72 74 84 92 94 89 79 74 68 70 83 89 92 86 76 71 68 73 85 91 93 87 Dewpt 67 67 68 68 66 66 64 62 62 64 65 64 63 64 63 63 63 64 65 64 63 64 RH 84 79 59 46 40 47 60 66 81 81 55 44 38 48 64 76 84 73 51 41 37 46 Wind dir S S S S SE SE SE SE SE S SE SE SE SE SE S SW N S SE SE SE Wind spd 3 4 5 8 8 5 4 4 3 3 5 8 6 6 4 4 3 0 2 3 3 3 Clouds SC SC SC SC SC SC FW SC SC SC SC B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 87 96 97 92 85 90 93 87 87 93 94 88 Max heat 96 97 85 90 93 84 93 94 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 96 71 99 73 97 74 94 Temp 72 74 93 88 76 77 95 89 77 77 94 87 78 78 91 84 Dewpt 63 65 64 67 64 66 66 65 65 68 65 65 66 68 64 64 PWind dir S S SW S S SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC FW FW FW SC SC FW SC SC B1 SC SC B1 PoP 12hr 0 5 5 20 10 20 20 40 Rain shwrs S S S S C Tstms S S S C $$ MDZ003-182000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 137 AM EDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 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 94 66 93 66 94 Temp 71 74 85 92 94 89 79 73 67 71 83 90 92 88 76 71 66 72 83 91 93 88 Dewpt 68 68 70 69 68 68 65 63 62 65 67 65 63 64 64 64 63 66 68 66 64 66 RH 90 82 61 47 43 50 62 71 84 81 59 44 38 45 66 79 90 81 61 44 38 48 Wind dir S S S S SE SE SE SE SE S S SE SE SE SE S S S S S S S Wind spd 4 5 6 8 10 8 8 6 4 5 5 8 9 8 6 6 5 2 2 4 4 3 Clouds SC B1 SC SC SC SC SC SC SC FW B1 B1 SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 5 0 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 90 97 99 93 86 92 93 89 86 94 95 90 Max heat 97 99 85 92 94 85 94 95 Heat Y Y Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 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 95 71 95 71 94 71 91 Temp 71 76 93 87 75 78 93 87 75 77 92 86 76 77 87 83 Dewpt 65 69 68 70 68 69 70 69 68 71 69 65 67 68 66 65 PWind dir S SW SE SW SE S S W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC FW FW SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 5 20 10 30 20 30 30 40 Rain shwrs S C S C C S S C Tstms S C S C C S S C $$ MDZ017-182000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 137 AM EDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 69 87 70 88 Temp 72 77 85 88 87 81 76 73 70 75 82 85 86 81 75 72 70 75 83 86 87 81 Dewpt 66 67 67 67 65 65 66 66 66 68 68 66 65 66 67 67 67 68 67 66 66 66 RH 81 71 55 50 48 58 71 79 87 79 63 53 50 60 76 84 90 79 59 51 50 60 Wind dir S S S SE SE SE S S S S SE SE SE SE S S S S S SE SE S Wind spd 6 8 8 13 13 12 10 8 6 6 8 10 11 10 10 8 6 3 5 9 10 9 Clouds SC SC FW FW CL FW SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 88 91 89 83 85 87 88 83 86 88 89 83 Max heat 91 92 87 88 88 89 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 91 73 93 75 94 77 93 Temp 73 76 89 83 75 79 90 84 77 80 91 86 78 80 89 82 Dewpt 67 68 68 68 68 70 71 70 71 72 71 71 70 72 71 69 PWind dir S S S S S S S S Wind char LT LT LT GN LT GN GN GN Avg clouds FW FW FW SC FW FW FW FW SC SC SC B1 SC B1 B1 B1 PoP 12hr 0 0 5 10 10 20 30 40 Rain shwrs S C S C Tstms S C S C $$ WVZ502-182000- Petersburg WV 38.99N 79.15W Elev. 963 ft 137 AM EDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 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 93 65 93 64 95 Temp 67 70 85 91 91 83 74 69 65 69 82 90 92 85 72 67 64 69 84 92 94 86 Dewpt 67 69 71 70 69 70 67 66 64 66 67 64 64 66 64 62 61 65 66 64 64 67 RH 100 97 63 50 49 65 79 90 97 90 61 42 40 53 76 84 90 87 55 40 37 53 Wind dir S S E SE SE S S S S SW SE SE SE SE S S SW SW E E SE SE Wind spd 3 1 2 6 6 5 4 3 2 1 3 4 5 4 4 4 3 1 1 2 3 3 Clouds SC SC SC SC B1 SC FW FW B1 FW B1 B1 B1 B1 B1 SC B1 B1 SC SC SC FW PoP 12hr 20 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Obvis PF PF Heat index 90 97 96 87 85 91 94 87 86 94 96 89 Max heat 97 98 83 91 94 83 94 96 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 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 96 67 95 69 94 68 90 Temp 68 72 93 83 71 73 92 84 72 73 91 83 73 73 86 79 Dewpt 63 67 66 70 65 67 68 68 64 68 65 66 66 66 64 64 PWind dir SW NW SW W SW SW SW W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC FW FW SC SC SC SC B1 B1 B1 SC SC PoP 12hr 0 20 10 30 20 30 40 50 Rain shwrs S C S C C C C C Tstms S C S C C S S C $$ MDZ014-182000- Annapolis MD 38.99N 76.49W Elev. 7 ft 137 AM EDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 70 86 71 87 Temp 72 76 82 86 86 81 75 73 72 74 81 84 86 81 76 72 71 74 80 83 86 82 Dewpt 66 67 68 68 67 66 67 67 66 67 67 66 66 66 68 67 67 67 68 68 66 66 RH 81 74 63 55 53 60 76 81 81 79 63 55 51 60 76 84 87 79 67 61 51 58 Wind dir S S S S S S S S S S SE SE SE S S S SW S S S S S Wind spd 6 8 9 11 12 12 11 6 5 5 8 10 11 10 11 9 8 2 5 9 10 9 Clouds SC SC FW SC CL FW SC SC SC FW SC SC SC SC SC SC SC SC SC SC FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 85 89 89 83 83 86 88 83 83 86 88 84 Max heat 89 91 82 86 88 82 86 89 Coast Flood Y Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 90 75 91 76 91 77 90 Temp 74 76 87 84 77 79 88 84 77 79 88 84 79 79 87 82 Dewpt 68 68 70 69 70 70 72 70 72 72 73 72 71 71 70 69 PWind dir S S S S S S S SW Wind char LT LT LT LT LT GN GN GN Avg clouds SC FW SC SC SC FW FW SC FW SC SC SC B1 B1 B1 SC PoP 12hr 0 5 10 20 20 20 30 40 Rain shwrs S S S C S S C Tstms S S S C S S C $$