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Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
399 FOUS51 KLWX 192037 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 436 PM EDT Wed Jun 19 2024 VAZ054-200800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 436 PM EDT Wed Jun 19 2024 Date 06/19/24 Thu 06/20/24 Fri 06/21/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 92 73 96 77 Temp 89 85 78 74 72 75 84 90 91 86 79 75 73 76 86 94 95 90 83 79 77 81 Dewpt 61 62 64 65 65 66 65 63 63 64 65 65 65 66 66 65 64 65 67 67 67 68 RH 39 46 62 74 79 74 53 41 40 48 62 71 76 71 51 39 36 44 59 67 71 65 Wind dir S SE S S S S S S S S S S S S S S S S S S S SW Wind spd 10 10 8 5 3 3 5 5 9 9 6 5 5 5 5 5 6 9 6 5 4 4 Clouds SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 89 86 86 91 92 87 88 97 97 92 86 84 Max heat 89 83 91 92 84 97 98 90 84 Date 06/22 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 101 81 101 79 94 73 94 74 97 Temp 98 91 83 84 99 90 82 82 91 85 76 76 91 88 76 78 94 90 Dewpt 68 69 70 70 68 69 69 70 67 63 62 62 59 61 64 66 63 64 PWind dir SW S SW SW W NW W S SW Wind char LT LT GN GN GN LT LT LT LT Avg clouds FW SC SC SC B1 B2 B2 B1 SC SC FW FW FW FW FW FW SC SC PoP 12hr 10 20 20 60 40 10 5 5 10 Rain shwrs S S L C C C Tstms S S C C S C $$ MDZ013-200800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 436 PM EDT Wed Jun 19 2024 Date 06/19/24 Thu 06/20/24 Fri 06/21/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 90 69 95 73 Temp 88 83 75 71 68 72 83 88 88 83 76 71 69 74 86 93 94 88 79 75 73 78 Dewpt 59 61 66 66 66 67 67 64 63 63 65 66 65 67 68 66 66 68 69 69 68 70 RH 38 47 74 84 93 84 59 45 43 51 69 84 87 79 55 41 40 52 72 82 84 76 Wind dir SE S S S S SW S SE S S S S SW SW S S S S S S S SW Wind spd 8 5 4 2 2 2 4 6 6 5 4 3 2 2 3 5 6 5 4 2 2 2 Clouds SC SC B1 B1 SC SC FW SC B1 SC SC SC SC FW FW FW FW FW FW SC FW FW PoP 12hr 0 0 0 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 83 86 89 89 84 89 96 97 92 Max heat 88 90 91 82 96 98 88 Date 06/22 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 97 77 99 76 93 69 92 71 95 Temp 95 88 78 80 98 87 79 79 91 83 72 73 89 85 72 75 93 88 Dewpt 70 71 71 72 70 72 70 71 68 63 62 63 58 61 64 67 65 66 PWind dir S S SW SW W NW NW S S Wind char LT LT GN LT GN LT LT LT LT Avg clouds FW SC SC SC B1 B2 B2 B1 SC SC FW FW FW FW FW SC SC SC PoP 12hr 20 20 20 60 40 10 5 5 10 Rain shwrs S S S L C C C Tstms S S S C C S C $$ MDZ011-200800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 436 PM EDT Wed Jun 19 2024 Date 06/19/24 Thu 06/20/24 Fri 06/21/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 94 75 98 79 Temp 91 85 80 76 74 76 87 91 93 87 80 77 75 78 89 95 97 91 85 81 79 83 Dewpt 58 59 64 65 65 65 64 62 61 61 65 64 65 65 65 65 64 66 68 68 68 68 RH 33 41 58 69 74 69 46 38 35 42 60 64 71 64 45 37 34 44 57 65 69 61 Wind dir SE S S S S SW S SE SE S S S SW SW S S S S S S S SW Wind spd 8 5 4 2 1 2 3 6 6 5 3 2 2 2 3 6 6 5 3 2 2 2 Clouds SC SC B1 B1 SC SC FW SC SC SC SC SC SC FW FW FW FW FW FW SC FW FW PoP 12hr 0 0 0 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 85 82 88 92 93 87 82 91 98 99 94 88 84 86 Max heat 90 84 92 93 85 98 99 92 86 Date 06/22 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 101 82 102 81 96 75 95 76 98 Temp 98 89 83 85100 87 83 83 93 84 77 78 92 88 77 79 95 90 Dewpt 68 68 71 69 68 69 69 69 65 62 62 61 57 60 63 64 63 64 PWind dir S S SW SW W NW W S S Wind char LT LT GN LT GN LT LT LT LT Avg clouds FW SC SC SC B1 B2 B2 B2 SC SC FW FW FW FW FW SC SC SC PoP 12hr 20 20 30 60 40 10 5 5 10 Rain shwrs S S C L C C C Tstms S S C C C S C $$ WVZ052-200800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 436 PM EDT Wed Jun 19 2024 Date 06/19/24 Thu 06/20/24 Fri 06/21/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 90 65 94 69 Temp 88 84 74 69 65 69 81 87 88 85 75 69 65 71 84 91 93 88 77 73 70 75 Dewpt 62 61 62 62 61 64 65 63 63 64 63 63 63 65 67 65 64 68 68 68 67 69 RH 42 46 66 78 87 84 58 45 43 50 66 81 93 81 57 42 38 52 74 84 90 82 Wind dir SE SE S SE SE S S SE SE SE S S N N S S S NW SE SW SW N Wind spd 8 5 4 2 1 1 2 5 5 4 2 2 0 0 1 2 3 2 2 1 1 0 Clouds B1 B1 B1 B1 SC SC SC SC SC SC FW FW FW FW FW FW FW SC SC FW FW FW PoP 12hr 0 0 0 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 88 84 83 88 89 86 87 93 95 92 Max heat 88 88 90 93 95 87 Date 06/22 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 97 72 96 70 89 63 89 64 93 Temp 93 89 75 77 95 87 74 74 86 81 66 68 86 84 68 70 91 88 Dewpt 67 68 69 69 65 65 65 66 61 58 59 60 57 59 60 63 59 61 PWind dir W S SW SW W NW NW SW W Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW SC SC B1 B1 B1 B1 B1 SC FW FW FW FW FW FW SC SC SC PoP 12hr 20 20 30 50 30 5 5 5 10 Rain shwrs S S C C C C C Tstms S S C C C S C $$ VAZ506-200800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 436 PM EDT Wed Jun 19 2024 Date 06/19/24 Thu 06/20/24 Fri 06/21/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 92 68 96 73 Temp 89 85 76 71 68 72 83 89 90 86 76 72 68 74 87 94 95 90 81 76 73 78 Dewpt 62 63 65 65 64 67 68 65 65 65 65 65 65 67 68 67 66 68 67 67 67 70 RH 41 48 69 81 87 84 61 45 44 50 69 79 90 79 53 41 39 49 63 74 81 76 Wind dir SE SE S S S S S S S S S S S S S S S S S S SW SW Wind spd 6 5 4 2 2 2 3 4 4 4 4 3 2 2 2 3 3 4 3 2 2 2 Clouds SC SC B1 B1 SC SC SC SC SC SC SC FW FW FW FW FW FW FW SC SC FW FW PoP 12hr 0 0 0 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 89 86 86 91 92 88 91 98 98 94 83 Max heat 91 83 91 93 84 98 99 91 Date 06/22 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 99 77 100 74 93 67 92 69 96 Temp 97 90 79 80 99 90 78 78 91 83 71 72 89 87 71 74 94 90 Dewpt 70 72 70 71 69 70 69 71 67 63 61 63 60 63 63 66 64 65 PWind dir SW S SW SW W NW NW S SW Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW SC SC SC B1 B2 B2 B1 SC SC FW FW FW FW FW FW SC SC PoP 12hr 20 20 30 60 40 10 5 5 10 Rain shwrs S S C L C C C Tstms S S C C C S C $$ VAZ037-200800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 436 PM EDT Wed Jun 19 2024 Date 06/19/24 Thu 06/20/24 Fri 06/21/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 92 68 96 73 Temp 90 85 76 71 68 72 83 90 92 85 77 71 68 74 87 94 95 89 81 75 73 78 Dewpt 62 62 62 62 62 64 64 63 63 64 63 62 62 64 65 65 65 66 66 65 65 68 RH 39 46 62 73 81 76 53 41 38 50 62 73 81 71 48 39 37 47 60 71 76 71 Wind dir SE SE SE N N N SE SE SE S S S SW S S S S S S SW SW SW Wind spd 5 3 2 0 0 0 2 3 4 3 2 2 1 1 2 2 3 4 2 2 1 1 Clouds SC SC SC B1 SC SC SC SC B1 SC FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 90 86 84 91 93 86 89 97 98 92 83 Max heat 90 82 91 93 83 97 99 88 Date 06/22 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 100 76 100 75 96 68 94 69 98 Temp 97 89 79 80 99 89 78 79 93 85 71 73 91 87 72 75 95 90 Dewpt 67 68 66 68 66 66 66 68 64 62 60 61 59 61 60 63 60 62 PWind dir S SW SW SW W NW SW SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC SC B1 B1 B1 SC SC FW FW FW FW FW FW FW SC PoP 12hr 10 10 20 40 30 10 5 5 10 Rain shwrs S C C S C Tstms S C S S C $$ MDZ003-200800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 436 PM EDT Wed Jun 19 2024 Date 06/19/24 Thu 06/20/24 Fri 06/21/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 91 68 96 72 Temp 90 86 75 71 68 72 83 89 91 87 77 72 68 74 86 94 95 90 80 75 72 77 Dewpt 64 63 62 63 63 66 67 66 64 65 65 64 64 67 69 68 66 69 69 69 68 71 RH 42 46 64 76 84 81 59 47 41 48 67 76 87 79 57 43 39 50 69 82 87 82 Wind dir SE SE S S SE S S S S S S S S S S S SW NW SE S SW W Wind spd 6 4 4 2 2 2 3 5 5 3 3 2 2 1 2 4 4 2 2 2 1 1 Clouds SC SC B1 B1 B1 SC SC SC FW FW FW FW FW FW FW FW FW SC SC FW SC FW PoP 12hr 0 0 0 20 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 91 87 86 92 93 89 90 99 98 95 83 Max heat 91 82 92 93 84 99 100 91 Date 06/22 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 74 97 72 89 64 90 67 95 Temp 95 89 76 79 96 87 76 76 87 80 68 70 87 85 69 72 93 89 Dewpt 70 71 71 72 68 66 67 69 63 60 60 61 58 60 61 64 61 63 PWind dir W S SW SW W NW W S W Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW SC SC B1 B1 B1 B1 B1 SC FW FW CL FW FW FW SC SC SC PoP 12hr 20 20 30 50 30 5 5 5 10 Rain shwrs S S C C C C C Tstms S S C C C S C $$ MDZ017-200800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 436 PM EDT Wed Jun 19 2024 Date 06/19/24 Thu 06/20/24 Fri 06/21/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 87 71 90 74 Temp 84 80 75 72 70 75 82 85 86 81 76 73 71 75 85 88 89 84 78 76 74 78 Dewpt 66 67 66 66 66 68 67 66 65 66 66 67 66 68 69 68 68 69 69 68 67 69 RH 55 65 74 81 87 79 61 53 50 60 71 81 84 79 59 52 50 61 74 76 79 74 Wind dir SE SE S S S S SE SE SE S S S SW SW S S SE S S S S SW Wind spd 10 9 6 4 3 2 5 9 10 9 6 5 5 5 5 9 10 10 8 6 5 5 Clouds SC FW FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 86 82 85 87 88 83 89 92 93 88 Max heat 87 87 88 92 93 85 Date 06/22 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 95 78 97 77 93 71 90 73 93 Temp 93 86 79 82 96 87 79 81 90 83 74 75 88 84 75 78 90 86 Dewpt 70 72 70 72 72 72 71 74 72 70 65 65 63 66 67 69 68 70 PWind dir S S S S SW NW N S S Wind char GN GN GN GN GN LT LT LT GN Avg clouds FW FW SC SC SC B1 B2 B2 SC SC SC FW FW FW FW SC FW SC PoP 12hr 5 10 20 50 50 20 5 5 10 Rain shwrs S C C C C S Tstms S C C S C S $$ WVZ502-200800- Petersburg WV 38.99N 79.15W Elev. 963 ft 436 PM EDT Wed Jun 19 2024 Date 06/19/24 Thu 06/20/24 Fri 06/21/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 93 66 96 68 Temp 90 84 72 66 63 67 83 91 92 86 74 68 66 71 86 93 94 87 76 70 68 73 Dewpt 64 65 63 61 60 64 66 64 64 67 65 64 63 66 70 68 69 71 69 68 67 70 RH 42 53 73 84 90 90 57 41 40 53 74 87 90 84 59 44 44 59 79 93 97 90 Wind dir SE SE SW S S W NE E SE SE S S SW W N NW NW NW W SW SW SW Wind spd 5 4 2 2 1 1 1 2 3 3 2 2 2 1 1 2 3 2 2 2 1 1 Clouds B1 B1 B1 SC SC B1 SC SC SC FW SC FW FW FW FW SC SC SC SC FW FW FW PoP 12hr 0 5 0 20 10 QPF 12hr 0 0 0 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Heat index 91 86 85 93 94 89 91 97 99 93 Max heat 91 93 94 97 100 88 Date 06/22 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 70 95 69 88 60 91 63 95 Temp 95 87 72 74 94 83 72 71 85 77 63 65 87 84 65 68 93 86 Dewpt 68 70 67 68 66 66 65 67 64 62 60 60 59 64 60 63 60 65 PWind dir W SW W SW W NW NW W W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC B1 B2 B1 B1 SC FW FW FW FW FW FW FW FW SC PoP 12hr 20 10 30 60 30 5 5 10 20 Rain shwrs S C L C C C S Tstms S C C C S C S $$ MDZ014-200800- Annapolis MD 38.99N 76.49W Elev. 7 ft 436 PM EDT Wed Jun 19 2024 Date 06/19/24 Thu 06/20/24 Fri 06/21/24 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 86 72 90 76 Temp 84 81 77 74 72 75 81 83 84 82 76 74 72 76 84 88 89 85 80 77 76 79 Dewpt 64 67 68 68 67 67 68 67 65 67 68 67 67 68 69 70 69 69 71 70 69 70 RH 51 63 74 82 84 76 65 59 53 61 76 79 84 76 61 55 52 59 74 79 79 74 Wind dir S S S S S S S S S S S S SW SW S S S S S S S SW Wind spd 10 9 6 3 2 2 5 9 9 9 6 5 4 3 5 10 10 10 6 4 3 2 Clouds FW FW SC SC FW FW FW SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 85 83 84 86 86 85 88 93 94 89 83 Max heat 85 86 87 93 94 87 Date 06/22 Sun 06/23/24 Mon 06/24/24 Tue 06/25/24 Wed 06/26/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 79 96 79 91 73 89 74 91 Temp 91 86 80 82 94 85 81 81 88 82 75 75 86 84 75 77 89 85 Dewpt 72 71 72 72 72 72 72 71 70 67 65 64 63 65 67 68 68 69 PWind dir S S S SW W NW E S S Wind char LT LT GN LT GN LT LT LT LT Avg clouds FW SC SC SC B1 B1 B2 B1 SC SC FW FW FW FW FW FW SC SC PoP 12hr 10 20 20 60 40 20 5 5 10 Rain shwrs S S L C C C S Tstms S S C C S C S $$