Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
745 FOUS51 KLWX 280837 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 437 AM EDT Sat Sep 28 2024 VAZ054-282000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 437 AM EDT Sat Sep 28 2024 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 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 85 70 80 68 74 Temp 75 74 78 82 82 77 74 73 72 71 76 77 77 74 71 70 70 68 70 71 72 70 Dewpt 72 71 69 64 64 64 66 67 67 68 68 68 68 67 66 66 65 65 65 66 65 65 RH 90 90 74 55 55 64 76 81 84 90 76 74 74 79 84 87 84 90 84 84 79 84 Wind dir SE S S S S E E E E E E E E E E E NE E E E E E Wind spd 9 6 8 9 9 8 5 5 5 6 9 9 10 11 10 9 10 10 10 10 10 10 Clouds B2 SC FW FW FW SC SC B1 B2 B2 B2 B1 B1 B2 OV OV OV OV OV OV OV OV PoP 12hr 5 20 50 60 70 QPF 12hr 0.01 0 0.06 0.10 0.32 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C L L L L L L L L L Tstms S S S S S Heat index 83 83 Max heat 83 84 Date Tue 10/01/24 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 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 74 65 76 57 73 57 76 Temp 68 67 74 71 68 65 75 70 63 57 71 66 61 58 74 69 Dewpt 64 64 64 63 62 61 60 55 52 50 49 51 51 52 53 53 PWind dir NE NE N NW NW NW SW S Wind char GN GN LT GN GN GN LT LT Avg clouds OV OV B2 B2 B2 B1 B1 SC SC FW FW FW FW FW FW FW PoP 12hr 70 60 20 20 10 0 0 0 Rain shwrs L L L L S S Tstms S C S S $$ MDZ013-282000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 437 AM EDT Sat Sep 28 2024 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 67 76 64 71 Temp 72 72 76 80 80 73 70 69 68 68 72 75 74 69 66 65 65 65 68 69 69 67 Dewpt 72 72 73 69 69 69 68 68 67 68 70 70 70 69 66 65 65 65 67 67 68 66 RH 100100 90 69 69 87 93 97 97100 93 84 87100100100100100 97 93 97 97 Wind dir E E SE SE E E E E E E E E E E E E NE NE E E E E Wind spd 5 4 5 6 5 4 3 3 4 5 6 8 9 8 6 5 6 6 8 9 9 6 Clouds OV B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV PoP 12hr 20 30 60 50 60 QPF 12hr 0.08 0.01 0.08 0.08 0.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C L L C C C C C C L L L Tstms S Obvis PF PF Heat index 83 83 Max heat 83 84 Coast Flood W Date Tue 10/01/24 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 70 61 74 53 72 53 74 Temp 64 63 70 66 62 62 73 66 58 54 71 63 54 54 73 65 Dewpt 64 63 66 64 61 62 62 57 52 50 50 52 50 51 55 55 PWind dir E NE N NW NW NW W S Wind char LT LT LT LT LT LT LT LT Avg clouds OV OV B2 B2 B2 B1 B1 B1 SC FW FW FW FW FW FW FW PoP 12hr 70 60 20 20 10 0 0 0 Rain shwrs L L L L S S Tstms S C S S $$ MDZ011-282000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 437 AM EDT Sat Sep 28 2024 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 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 85 70 79 66 74 Temp 74 73 79 82 82 76 74 72 71 70 74 75 75 72 70 69 68 66 71 72 72 70 Dewpt 72 71 71 68 67 66 67 68 67 67 68 68 67 66 65 64 64 63 64 64 65 63 RH 93 93 77 63 61 71 79 87 87 90 82 79 76 81 84 84 87 90 79 76 79 78 Wind dir E E SE SE E E E E E E E E E E E E NE NE E E E E Wind spd 6 4 5 8 6 4 3 3 4 5 6 8 9 8 6 5 5 6 8 9 10 6 Clouds OV B2 B1 SC SC SC B1 B2 OV B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV PoP 12hr 20 30 50 50 60 QPF 12hr 0.05 0 0.16 0.08 0.28 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S C C C C C C C C C C L L L Tstms S Obvis PF PF Heat index 85 85 Max heat 85 86 Coast Flood Y Date Tue 10/01/24 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 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 73 63 76 56 74 57 76 Temp 68 65 73 70 66 64 75 70 62 56 73 68 62 58 75 69 Dewpt 63 62 63 62 61 60 60 55 51 49 49 50 50 51 53 53 PWind dir E NE N NW NW NW W S Wind char LT GN LT LT LT LT LT LT Avg clouds OV OV B2 B2 B2 B1 B1 B1 SC FW FW FW FW FW FW FW PoP 12hr 70 60 20 20 10 0 0 0 Rain shwrs L L L L S S Tstms S C S S $$ WVZ052-282000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 437 AM EDT Sat Sep 28 2024 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 63 73 61 67 Temp 68 69 73 78 77 70 66 66 66 66 68 72 71 67 65 64 63 63 64 65 65 63 Dewpt 68 68 68 65 64 65 66 65 65 66 67 68 68 66 65 64 62 62 63 64 64 63 RH 100 97 84 64 64 84100 97 97100 97 87 90 97100100 97 97 97 97 97100 Wind dir E SE SE SE SE SE E E E E E E E E E E E E E E E E Wind spd 8 5 8 9 9 4 2 2 3 4 6 8 8 5 5 5 5 6 6 8 6 4 Clouds OV B1 SC FW FW SC B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV PoP 12hr 20 40 80 80 80 QPF 12hr 0 0.01 0.17 0.46 1.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C C D D D D L L D D D D L Tstms S S S S S Obvis PF PF Date Tue 10/01/24 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 67 57 71 47 68 47 71 Temp 62 60 66 61 59 58 70 61 50 48 66 58 50 49 70 59 Dewpt 62 60 63 61 59 58 58 53 49 47 49 51 50 49 56 56 PWind dir E NE N NW NW W SW S Wind char LT LT LT LT LT LT LT LT Avg clouds OV OV B2 B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW PoP 12hr 70 70 20 30 10 0 0 5 Rain shwrs L L L C S C Tstms S S S $$ VAZ506-282000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 437 AM EDT Sat Sep 28 2024 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 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 82 67 78 65 70 Temp 72 71 75 80 80 73 70 69 68 69 73 76 75 71 69 67 66 66 68 69 69 68 Dewpt 72 71 70 67 67 67 68 68 68 68 71 71 71 69 68 67 66 66 68 69 68 67 RH 100100 84 65 65 81 93 97100 97 93 85 87 93 97100100100100100 97 97 Wind dir SE S S S S SE SE E E E E E E E E E E E E E E E Wind spd 5 5 5 6 5 4 2 2 3 4 5 5 6 5 5 5 5 5 6 6 6 5 Clouds B2 SC SC FW FW SC B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV PoP 12hr 5 20 60 70 80 QPF 12hr 0 0 0.09 0.19 0.50 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L L L L L L L D D L Tstms S S S S S Obvis PF PF Heat index 82 82 Max heat 82 83 Date Tue 10/01/24 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 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 70 60 75 51 71 50 74 Temp 65 63 70 67 63 61 74 67 56 52 70 62 54 51 73 64 Dewpt 65 63 66 64 63 61 63 57 53 50 52 53 51 51 57 56 PWind dir E NE N NW NW NW SW S Wind char LT LT LT LT LT LT LT LT Avg clouds OV OV B2 B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW PoP 12hr 70 60 20 20 10 0 0 0 Rain shwrs L L L L S S Tstms S C S S $$ VAZ037-282000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 437 AM EDT Sat Sep 28 2024 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 65 78 65 72 Temp 66 65 72 77 77 71 68 67 66 65 72 75 75 70 68 67 66 65 69 70 70 67 Dewpt 66 65 65 64 64 64 65 65 64 65 66 67 67 67 67 67 66 65 66 67 66 65 RH 100100 79 64 64 79 90 93 93100 81 76 76 90 97100100100 90 90 87 93 Wind dir S S S S S S S E NE NE E E E NE NE NE NE NE E E E NE Wind spd 3 2 5 8 6 3 2 1 1 1 3 5 5 4 3 3 3 3 5 5 5 3 Clouds SC SC SC FW SC SC SC SC B1 B1 B1 B1 SC B2 B2 B2 OV B2 B2 B2 B2 B2 PoP 12hr 5 10 60 80 90 QPF 12hr 0 0 0.33 0.36 0.39 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L D D L L L L D D L Tstms S C S C C S S S S C Obvis PF PF Date Tue 10/01/24 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 73 60 76 51 72 51 74 Temp 65 64 72 68 64 60 76 67 57 52 70 63 56 52 73 64 Dewpt 65 64 64 63 62 60 60 56 53 50 51 52 51 51 56 56 PWind dir NE N N NW N SE SW S Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B1 B1 B1 B1 SC FW FW FW CL FW FW CL FW PoP 12hr 60 60 10 20 5 0 0 0 Rain shwrs L C C L S Tstms C S S S $$ MDZ003-282000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 437 AM EDT Sat Sep 28 2024 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 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 81 65 73 62 67 Temp 70 70 75 79 78 72 68 67 66 66 69 71 71 68 66 64 63 63 64 66 67 65 Dewpt 70 70 71 68 66 66 66 66 66 66 68 70 68 67 65 64 62 62 64 66 65 64 RH 100100 87 69 67 81 93 97100100 97 97 90 97 97100 97 97100100 93 97 Wind dir E E SE SE SE E E E E E E E E E E E E E E E E E Wind spd 8 5 6 8 6 4 4 3 4 5 5 6 6 5 5 5 5 5 5 6 5 4 Clouds B2 B1 B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV B2 OV B2 OV OV PoP 12hr 20 50 70 70 70 QPF 12hr 0.01 0.02 0.11 0.31 0.72 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S S S C C C C C L L L L L L L L L L L Tstms S S S S Obvis PF PF Date Tue 10/01/24 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 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 61 68 59 71 48 69 49 72 Temp 63 61 68 65 61 60 70 62 52 49 67 59 51 50 71 62 Dewpt 63 61 64 62 61 60 60 55 50 48 51 51 50 49 57 56 PWind dir E NE NE NW NW W S S Wind char LT LT LT LT LT LT LT LT Avg clouds OV OV B2 B2 B2 B2 B2 SC FW FW FW FW FW FW FW FW PoP 12hr 70 60 30 30 10 0 0 0 Rain shwrs L L L C C S C Tstms S S S $$ MDZ017-282000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 437 AM EDT Sat Sep 28 2024 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 68 81 68 77 Temp 72 72 78 81 79 74 71 70 68 71 77 79 78 72 70 69 68 70 73 75 75 70 Dewpt 72 71 69 67 67 67 68 68 66 68 69 69 68 68 68 67 67 68 68 68 68 67 RH 100 97 74 63 67 79 90 93 93 90 76 72 71 87 93 93 97 93 84 79 79 90 Wind dir S SW SW SE SE SE SE SE E E E E E E E E NE E E E NE E Wind spd 5 5 5 8 6 5 4 3 3 4 5 6 8 6 6 6 8 8 9 10 9 8 Clouds B1 SC FW FW FW SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 0 5 30 40 50 QPF 12hr 0 0 0.01 0.07 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C C C C Tstms S S S Heat index 83 Max heat 83 83 Date Tue 10/01/24 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 76 64 77 59 73 58 76 Temp 68 70 75 70 66 66 76 68 62 60 72 65 60 60 74 67 Dewpt 67 67 67 65 64 63 62 59 55 54 51 51 53 54 54 55 PWind dir E N N NW N N W S Wind char LT GN LT GN GN GN LT LT Avg clouds B2 B2 B2 B1 B1 B1 B1 SC SC FW FW FW FW FW FW FW PoP 12hr 50 50 20 10 5 0 0 0 Rain shwrs C C C C S Tstms S C C S S $$ WVZ502-282000- Petersburg WV 38.99N 79.15W Elev. 963 ft 437 AM EDT Sat Sep 28 2024 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 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 82 62 78 61 72 Temp 63 61 71 79 79 71 67 65 63 63 70 75 75 70 66 65 63 63 66 69 70 67 Dewpt 63 61 63 62 62 63 63 63 63 63 66 66 66 66 65 65 63 63 64 64 63 63 RH 100100 76 56 56 76 87 93100100 87 74 74 87 97100100100 93 84 78 87 Wind dir NW N S S S S S SE E E E SE E E E E E E E E E E Wind spd 2 2 5 8 8 4 2 1 1 1 2 5 4 3 2 2 2 2 3 4 3 2 Clouds SC FW FW SC SC SC B1 B2 B2 B2 B2 B1 B2 B2 OV OV OV B2 OV B2 B2 B2 PoP 12hr 10 20 70 80 80 QPF 12hr 0 0.05 0.18 0.91 0.53 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L L L D D D D D D C Tstms S S S S S S S S Obvis F F Date Tue 10/01/24 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 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 59 74 57 75 46 75 47 80 Temp 63 60 72 67 60 58 74 64 51 47 73 61 51 49 78 66 Dewpt 62 60 63 62 60 58 57 52 49 46 48 50 48 48 53 56 PWind dir E NE W NW NW N SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW PoP 12hr 60 70 30 30 5 0 0 5 Rain shwrs C L L L C S S C Tstms S S S S $$ MDZ014-282000- Annapolis MD 38.99N 76.49W Elev. 7 ft 437 AM EDT Sat Sep 28 2024 Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 69 76 66 71 Temp 73 73 76 79 78 73 72 71 70 69 72 75 74 71 69 69 68 67 69 71 70 68 Dewpt 72 73 71 70 68 68 68 68 68 68 68 69 69 68 67 66 66 65 66 67 66 66 RH 97100 85 74 71 84 87 90 93 97 87 82 84 90 93 90 93 93 90 87 87 93 Wind dir E SE S SE SE E E E E E E E E E E NE NE NE NE E E E Wind spd 6 4 6 8 8 4 2 2 4 5 8 9 10 9 8 8 8 8 10 11 10 9 Clouds B2 B1 SC FW FW SC SC B1 B2 B2 B2 B1 B1 B2 B2 OV OV B2 OV OV OV B2 PoP 12hr 10 20 50 50 60 QPF 12hr 0.05 0 0.06 0.09 0.27 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C C C C C C C L L L Tstms S S Obvis PF Coast Flood W Date Tue 10/01/24 Wed 10/02/24 Thu 10/03/24 Fri 10/04/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 71 64 73 57 70 57 72 Temp 67 66 69 68 67 64 72 68 61 57 69 64 60 58 71 66 Dewpt 65 65 66 64 63 62 62 57 54 51 50 52 53 54 55 56 PWind dir E NE N NW N NW W S Wind char LT GN LT GN GN GN LT LT Avg clouds OV OV B2 B2 B2 B1 B1 SC FW FW FW FW FW FW FW FW PoP 12hr 60 60 20 20 10 0 0 0 Rain shwrs L L L L S S Tstms S C S S S $$