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Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
226 FOUS51 KLWX 171227 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 826 AM EDT Mon Jun 17 2024 VAZ054-172000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 826 AM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 72 93 69 91 Temp 82 88 92 84 78 75 73 76 84 89 93 84 75 72 70 73 82 87 91 83 Dewpt 63 65 66 66 64 64 64 65 66 66 65 64 64 65 64 66 65 64 63 65 RH 53 47 43 55 62 69 73 69 55 47 40 51 69 79 81 79 56 46 40 55 Wind dir S S S S S S S S S S SE SE S S S S S SE SE SE Wind spd 11 11 11 12 10 9 8 9 8 10 11 11 9 6 5 6 6 9 10 10 Clouds SC SC SC SC FW FW FW SC SC SC SC FW FW SC SC B1 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 83 90 95 86 86 92 95 85 84 88 92 85 Max heat 90 95 84 92 95 82 88 92 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 93 73 97 77 99 79 97 Temp 73 74 90 86 77 77 94 90 81 80 96 91 82 81 94 89 Dewpt 66 67 64 63 65 66 64 65 68 68 66 68 70 70 67 68 PWind dir S S S S S S S SW Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW SC SC FW FW SC SC SC SC SC SC SC SC SC B1 PoP 12hr 0 0 0 10 10 20 20 30 Rain shwrs S S C Tstms S S C $$ MDZ013-172000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 826 AM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 69 92 67 90 Temp 82 86 90 81 75 72 70 74 84 88 92 82 74 71 68 72 82 86 90 81 Dewpt 62 64 65 64 65 64 64 65 66 66 64 63 64 64 64 66 65 63 62 64 RH 51 48 44 56 71 76 81 74 55 48 40 53 71 79 87 81 56 46 39 56 Wind dir S S S S S S S S S SE SE S S S S S SE SE SE SE Wind spd 11 11 12 12 9 6 5 6 6 10 11 10 6 4 4 4 5 8 9 8 Wind gust 23 Clouds B1 SC SC SC SC SC SC SC SC SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 83 87 92 83 86 90 94 83 84 87 90 83 Max heat 87 92 90 94 87 90 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 92 70 96 74 97 75 95 Temp 71 73 90 84 73 76 94 87 76 79 94 86 77 79 92 86 Dewpt 65 66 65 64 66 67 66 67 69 71 67 70 70 70 69 69 PWind dir S S S S S S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW SC SC SC SC SC SC SC SC SC SC B1 SC SC B1 PoP 12hr 0 0 0 10 10 20 20 30 Rain shwrs S S C Tstms S S C $$ MDZ011-172000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 826 AM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 73 94 72 92 Temp 84 88 92 83 78 76 74 77 86 90 94 84 78 74 73 76 84 88 92 83 Dewpt 61 64 65 64 65 65 64 64 65 66 65 64 64 64 65 65 64 63 61 63 RH 46 45 41 53 64 69 71 64 50 45 39 51 62 71 76 69 51 43 36 51 Wind dir S S S S S S SE S S SE SE S S S S S SE SE SE SE Wind spd 10 11 12 11 8 5 5 6 8 10 11 9 8 4 3 4 6 9 9 8 Clouds SC SC SC SC SC SC SC SC SC SC FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 84 89 94 84 88 93 97 85 85 89 92 84 Max heat 89 94 83 93 97 83 89 92 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 94 76 99 80 99 79 98 Temp 75 77 91 87 79 77 96 90 82 81 96 90 82 80 93 88 Dewpt 65 66 63 63 65 66 65 65 68 68 66 68 70 68 66 67 PWind dir S S S S S S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC FW SC SC SC SC SC SC SC B1 B1 SC B1 PoP 12hr 0 0 0 10 10 20 20 30 Rain shwrs S S C Tstms S S C $$ WVZ052-172000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 826 AM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 67 93 64 91 Temp 82 87 91 83 75 71 68 72 84 89 93 84 74 69 65 69 81 86 91 81 Dewpt 66 66 65 67 69 67 65 67 70 69 68 69 65 64 62 65 65 64 63 64 RH 58 50 42 59 82 87 90 84 63 52 44 61 74 84 90 87 58 48 40 56 Wind dir S S SE SE SE S SE SE SE SE SE SE SE SE S SE SE SE SE SE Wind spd 6 6 6 6 6 5 4 5 6 10 10 8 5 4 3 3 4 8 8 5 Clouds SC SC SC SC FW FW SC SC SC SC SC SC FW FW SC SC SC SC FW FW PoP 12hr 10 5 5 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF PF Heat index 84 89 93 86 88 94 97 88 83 87 92 83 Max heat 89 93 82 94 97 84 87 92 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 92 66 95 69 95 71 92 Temp 68 69 88 85 70 74 91 87 74 77 93 87 74 77 89 85 Dewpt 64 65 62 63 64 65 62 64 65 67 63 65 66 67 64 64 PWind dir SE SE S SE SW W SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC FW SC SC SC SC SC FW SC B1 B1 SC B1 PoP 12hr 0 5 5 10 10 20 20 40 Rain shwrs S S S C Tstms S S C $$ VAZ506-172000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 826 AM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 69 93 66 92 Temp 83 88 92 85 78 73 70 74 85 89 93 85 75 70 67 71 82 88 92 83 Dewpt 64 66 66 68 66 64 63 65 67 67 67 65 62 63 63 66 66 64 63 64 RH 53 48 43 57 67 73 78 74 55 48 43 51 64 78 87 84 58 45 38 53 Wind dir S S S S S S S S S S S SE SE S SE S S SE SE SE Wind spd 10 9 8 10 10 8 8 8 6 10 11 10 8 5 4 5 5 8 8 8 Clouds SC SC B1 SC FW FW SC SC FW SC SC FW FW FW SC B1 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 84 90 95 88 88 92 97 87 84 89 93 84 Max heat 90 95 85 92 97 83 89 93 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 94 69 98 73 99 75 97 Temp 70 72 90 87 73 75 96 90 76 79 96 89 78 79 94 88 Dewpt 65 67 65 65 65 67 65 66 68 70 66 68 70 71 69 69 PWind dir S S S S S SW S SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC FW FW FW SC SC FW FW SC B1 SC SC B1 PoP 12hr 0 0 0 10 10 20 20 30 Rain shwrs S S C Tstms S S C $$ VAZ037-172000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 826 AM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 70 93 66 92 Temp 83 88 92 83 78 74 71 74 84 89 93 84 76 71 67 71 82 87 92 82 Dewpt 65 68 69 69 68 66 66 67 69 68 66 67 65 63 63 64 65 64 63 64 RH 55 52 47 63 71 76 84 79 61 50 41 57 69 76 87 79 56 46 38 55 Wind dir S S S S S S S S S S S SE SE SE SE S SE SE SE SE Wind spd 8 8 9 6 5 4 4 5 5 8 9 6 4 4 3 3 5 8 6 6 Clouds B1 B2 B2 B1 SC SC SC SC SC B1 SC FW FW FW FW FW FW FW FW FW PoP 12hr 30 10 5 0 0 QPF 12hr 0.14 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Tstms C S Obvis PF Heat index 85 92 97 87 88 93 96 87 84 88 93 83 Max heat 92 97 84 93 96 85 88 93 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 93 69 97 72 99 75 98 Temp 70 71 89 86 73 74 94 90 76 77 96 91 79 78 96 89 Dewpt 63 64 63 63 63 64 63 65 64 66 64 65 66 67 64 66 PWind dir S SE S S SW S SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC FW FW FW SC SC FW FW SC SC SC SC B1 PoP 12hr 0 0 0 10 5 20 10 30 Rain shwrs S C Tstms S C $$ MDZ003-172000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 826 AM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 69 94 66 93 Temp 82 87 92 85 78 74 70 74 84 89 94 86 77 71 67 71 82 88 93 84 Dewpt 65 65 65 67 68 67 64 67 69 69 68 69 66 64 63 65 67 65 63 64 RH 56 48 41 55 71 79 81 79 61 52 43 57 69 79 87 81 61 47 37 51 Wind dir S SW S S SE S SE S S S S SE SE SE SE S S SE SE SE Wind spd 8 6 8 6 10 8 6 6 6 10 10 9 8 6 4 5 5 8 9 8 Clouds SC SC SC FW FW FW SC SC SC SC SC SC FW FW SC SC SC SC FW FW PoP 12hr 5 5 5 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 84 89 94 88 88 94 99 90 85 90 94 85 Max heat 89 94 85 94 99 86 90 94 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 94 69 97 72 96 73 93 Temp 71 71 90 87 73 75 94 90 76 79 94 89 76 78 91 86 Dewpt 64 66 65 65 65 68 65 67 67 68 66 68 68 70 67 66 PWind dir SE S S SW S W S SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC FW SC SC SC SC SC SC SC B1 B1 SC B1 PoP 12hr 0 0 0 10 10 20 10 30 Rain shwrs S S C Tstms S C $$ MDZ017-172000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 826 AM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 71 88 69 87 Temp 82 85 88 79 75 73 71 75 83 85 88 78 74 71 70 73 81 84 87 78 Dewpt 63 66 65 65 66 65 65 67 67 67 65 66 66 66 66 67 68 66 65 66 RH 53 53 47 62 74 76 81 76 59 55 47 67 76 84 87 81 65 55 48 67 Wind dir S SE SE S S S S S S SE SE SE S S S S SE SE SE SE Wind spd 11 14 17 14 13 10 9 9 9 13 13 12 10 8 6 6 8 10 11 10 Wind gust 25 Clouds SC SC SC SC SC SC SC SC FW FW CL FW FW SC B1 B1 SC SC FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 83 87 90 86 88 90 84 86 89 Max heat 87 90 88 90 86 89 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 88 70 92 74 95 77 96 Temp 72 74 86 81 73 77 90 84 76 79 91 85 78 81 92 86 Dewpt 67 68 66 66 66 68 68 69 69 70 70 71 70 71 71 71 PWind dir S S S S S S S S Wind char GN LT LT LT LT LT LT GN Avg clouds FW FW FW FW FW FW FW SC SC SC FW SC SC SC SC B1 PoP 12hr 0 0 0 5 10 10 10 30 Rain shwrs C Tstms C $$ WVZ502-172000- Petersburg WV 38.99N 79.15W Elev. 963 ft 826 AM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 67 93 64 93 Temp 84 89 93 82 74 70 68 72 85 89 93 83 73 69 65 69 82 88 93 81 Dewpt 68 66 66 70 68 67 66 68 70 69 69 71 67 65 63 65 65 63 63 65 RH 59 47 41 67 82 90 93 87 61 52 46 67 81 87 93 87 56 43 37 58 Wind dir SW NW SE S S S S S E SE SE S S S S SW SE SE SE SE Wind spd 4 5 5 4 4 3 3 2 3 5 6 5 4 3 2 1 3 4 5 4 Clouds B1 B1 B1 SC SC SC B1 B1 SC B1 B1 B1 FW SC B1 SC FW SC FW FW PoP 12hr 30 20 20 5 5 QPF 12hr 0.02 0 0.06 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S S S Tstms S C S S S S S Obvis PF PF PF Heat index 87 92 96 86 90 94 98 88 84 89 94 83 Max heat 92 96 94 98 83 89 94 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 95 66 97 68 96 69 92 Temp 67 70 91 84 70 72 93 85 71 74 93 85 72 73 89 83 Dewpt 62 62 63 66 63 65 64 67 64 65 65 69 65 67 66 68 PWind dir S SE SW NW SW W SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW SC SC SC FW SC SC SC SC B1 B1 PoP 12hr 0 5 5 10 10 20 20 40 Rain shwrs S S S C Tstms S S S C $$ MDZ014-172000- Annapolis MD 38.99N 76.49W Elev. 7 ft 826 AM EDT Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 72 87 70 86 Temp 81 83 86 79 75 74 72 75 82 84 87 80 74 72 70 73 80 83 86 79 Dewpt 63 66 65 65 66 65 65 66 67 67 66 66 67 67 66 67 67 66 66 66 RH 54 57 50 62 74 74 79 74 61 57 50 62 79 84 87 81 65 57 51 64 Wind dir S S S S S S S S S S S S S S S S SE SE SE S Wind spd 12 14 16 16 13 10 9 9 10 12 13 13 11 6 5 5 8 10 11 10 Wind gust 27 25 Clouds SC SC SC FW FW SC SC SC SC FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 82 85 88 85 87 89 82 82 85 88 Max heat 85 88 87 89 85 88 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 87 73 91 77 93 77 92 Temp 72 74 84 82 75 77 88 85 78 79 89 85 78 79 88 84 Dewpt 66 68 67 66 68 68 69 68 70 71 71 71 71 70 71 71 PWind dir S S S S S S S S Wind char GN LT LT LT LT LT LT GN Avg clouds FW FW SC FW FW FW SC SC SC SC SC SC SC SC SC B1 PoP 12hr 0 0 0 10 10 20 20 30 Rain shwrs S S C Tstms S S C $$