Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
825 FOUS51 KLWX 230359 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1158 PM EDT Sun Sep 22 2024 VAZ054-230800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1158 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 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 66 74 65 73 67 Temp 67 66 66 69 70 71 69 68 67 66 65 67 69 71 69 69 68 68 68 Dewpt 61 61 61 61 61 61 61 62 61 61 62 62 62 62 62 62 64 65 65 RH 81 84 84 76 73 71 76 81 81 84 90 84 78 73 78 78 87 90 90 Wind dir SE SE SE SE SE SE SE E E E E E E E E SE SE SE SE Wind spd 6 5 6 10 10 10 10 9 9 9 9 10 10 10 10 10 9 9 9 Clouds B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 40 60 50 60 QPF 12hr 0 0.01 0.05 0.01 0.09 Snow 12hr 00-00 00-00 00-00 Drizzle AR AR AR AR O AR AR AR AR AR AR AR AR Rain shwrs L L C Tstms S S Obvis PF Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 77 70 83 69 80 66 78 63 76 Temp 73 73 72 70 81 78 72 69 78 74 69 66 75 70 66 64 74 71 Dewpt 67 67 68 68 68 67 66 64 64 62 62 61 59 58 59 58 57 56 PWind dir SE SE SW E E E E E E Wind char GN LT LT LT GN GN GN GN GN Avg clouds OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 50 40 20 10 20 20 20 20 20 Rain shwrs C C C C S S S S S S S S S Tstms S S C C $$ MDZ013-230800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1158 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 71 62 70 64 Temp 63 63 64 67 69 69 66 64 63 63 63 66 69 69 67 65 65 66 66 Dewpt 60 60 62 62 62 63 64 61 61 60 62 64 63 64 63 64 64 64 66 RH 90 90 93 84 78 81 93 90 93 90 97 93 81 84 87 97 97 93100 Wind dir SE E SE SE SE SE E E E E E E E E E SE SE SE SE Wind spd 3 3 4 6 6 6 5 5 5 5 5 8 9 9 9 6 5 5 5 Clouds OV B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 40 40 50 60 QPF 12hr 0 0.02 0.07 0.02 0.09 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR AR AR AR AR AR AR AR O O Rain shwrs L L C Obvis PF Coast Flood W W W W W W W W W Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 67 81 66 78 62 75 59 75 Temp 72 70 68 69 79 75 68 66 76 71 65 63 73 67 61 61 73 68 Dewpt 69 69 68 69 70 69 65 64 64 64 60 60 60 59 58 58 58 58 PWind dir SE S SW N NE E E E E Wind char LT LT LT LT LT LT GN LT LT Avg clouds OV OV B2 B2 B2 B1 B1 B1 B1 B1 SC SC B1 SC SC SC SC SC PoP 12hr 50 50 20 10 20 20 20 20 10 Rain shwrs C C C C S S S S S S S S Tstms S C C $$ MDZ011-230800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1158 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 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 65 74 64 73 66 Temp 65 66 65 69 70 70 69 68 67 66 64 68 70 71 70 69 68 68 67 Dewpt 60 59 60 59 60 61 62 59 60 60 60 61 61 61 61 61 63 64 65 RH 84 78 84 70 71 73 78 73 78 81 87 78 73 71 73 76 84 87 93 Wind dir SE SE SE SE SE SE E E E E E E E E E SE SE SE SE Wind spd 2 2 4 6 8 8 5 5 4 5 5 8 9 10 9 8 5 5 5 Clouds B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV B2 OV OV OV OV OV PoP 12hr 5 40 40 50 60 QPF 12hr 0 0.02 0.05 0.02 0.09 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR AR AR AR AR AR AR AR O O Rain shwrs L L C Obvis PF Coast Flood Y Y Y Y Y Y Y Y Y Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 77 69 84 68 81 65 78 62 77 Temp 74 74 72 69 82 78 72 68 79 74 69 65 76 72 66 62 75 72 Dewpt 67 67 68 67 68 67 64 63 61 61 60 58 58 57 57 56 57 56 PWind dir SE S SW N NE E E E E Wind char GN LT LT LT LT LT GN LT LT Avg clouds OV OV B2 B2 B2 B1 B1 B1 SC B1 SC SC B1 SC SC SC SC SC PoP 12hr 50 50 20 10 20 20 20 20 10 Rain shwrs C C C C S S S S S S Tstms S C C $$ WVZ052-230800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1158 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 69 59 66 61 Temp 63 61 62 63 66 67 64 62 62 61 61 61 64 65 62 62 63 62 63 Dewpt 63 61 62 62 63 64 64 62 62 60 60 61 63 63 62 62 62 62 62 RH 100100100 97 90 90100100100 97 97100 97 93100100 97100 97 Wind dir SE SE SE S SE SE E SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 4 6 9 10 10 10 5 6 6 9 8 10 10 10 8 8 8 8 6 Clouds OV OV OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 10 70 90 80 80 QPF 12hr 0 0.12 0.10 0.16 0.28 Snow 12hr 00-00 00-00 00-00 Drizzle O O O D O O Rain shwrs C C L L D D D D D D L Tstms S S S S S S S S S Obvis PF PF PF PF PF PF PF PF PF Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 62 79 61 75 59 72 56 71 Temp 71 67 65 64 77 72 63 63 73 67 61 60 70 64 58 58 69 64 Dewpt 67 67 65 64 67 65 63 62 63 62 61 58 60 59 57 56 57 57 PWind dir SE SE NW NE E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 60 50 20 10 20 30 20 20 20 Rain shwrs L C C C S S S S C S S S S S S S Tstms S C S S $$ VAZ506-230800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1158 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 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 71 61 69 63 Temp 64 63 64 66 68 70 67 65 63 62 63 65 66 69 67 66 65 65 65 Dewpt 64 62 63 64 65 64 64 64 63 62 62 65 65 65 65 65 65 65 65 RH 100 97 97 93 90 81 90 97100100 97100 97 87 93 97100100100 Wind dir SE SE SE S S SE SE SE SE SE E SE SE SE SE SE SE SE SE Wind spd 4 5 5 8 8 8 5 5 5 5 5 8 8 8 5 5 5 5 5 Clouds OV OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 50 80 50 60 QPF 12hr 0 0.05 0.05 0.02 0.08 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR O D AR AR AR AR AR AR O O Rain shwrs L L C Tstms S S S Obvis PF PF Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 75 66 81 66 78 62 75 58 74 Temp 71 71 69 68 79 75 67 66 76 71 65 62 73 67 61 60 72 68 Dewpt 71 70 68 68 71 69 66 65 67 65 62 61 62 60 59 58 60 59 PWind dir SE SE SW E NE E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 50 50 20 20 20 30 20 20 20 Rain shwrs C C C C S S S S C S S S S S S Tstms S C C C $$ VAZ037-230800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1158 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 72 62 69 63 Temp 64 63 63 66 69 70 68 66 65 63 62 65 66 67 66 64 64 64 63 Dewpt 64 63 63 63 64 64 65 65 64 63 62 63 64 64 64 64 64 64 63 RH 100100100 90 84 81 90 97 97100100 93 93 90 93100100100100 Wind dir S S S S S S E E E NE E E E E E E E E SE Wind spd 2 3 5 5 6 5 2 2 3 3 4 5 5 5 3 2 2 2 2 Clouds B2 B2 B2 OV OV B2 OV OV OV OV OV OV OV B2 OV OV OV OV B2 PoP 12hr 20 50 80 70 70 QPF 12hr 0 0.01 0.06 0.08 0.30 Snow 12hr 00-00 00-00 00-00 Drizzle AR AR AR AR O D AR AR AR AR Rain shwrs L L L L L L C Tstms S S S S S S Obvis PF PF PF PF PF PF PF PF PF Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 65 80 65 77 62 74 58 72 Temp 72 69 67 66 78 74 67 65 75 69 66 62 71 66 60 58 70 66 Dewpt 67 68 67 66 67 67 67 65 65 64 64 62 63 60 59 58 59 58 PWind dir SE S S NE E NE NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 50 40 20 20 30 30 30 30 20 Rain shwrs C C C C S S S S C C C C C C C S S S Tstms S S C C S S $$ MDZ003-230800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1158 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 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 62 68 60 67 62 Temp 64 63 63 64 65 67 65 63 63 61 60 63 64 66 65 63 63 63 64 Dewpt 63 62 62 63 65 64 64 63 63 60 60 63 64 63 63 63 63 63 64 RH 97 97 97 97100 90 97100100 97100100100 90 93100100100100 Wind dir SE SE S S SE SE E E SE E E SE SE SE SE SE SE SE SE Wind spd 4 6 8 9 9 8 5 5 5 6 5 8 9 9 6 6 6 6 5 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV OV OV OV B2 PoP 12hr 10 70 80 70 80 QPF 12hr 0 0.13 0.09 0.13 0.32 Snow 12hr 00-00 00-00 00-00 Drizzle AR O O D O O Rain shwrs L L L L L L D D D D L Tstms S S S Obvis PF PF PF PF PF PF PF PF Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 72 64 80 63 77 60 73 56 72 Temp 70 69 67 66 78 73 65 63 75 69 62 60 71 66 59 58 70 66 Dewpt 69 68 67 66 69 67 64 61 64 62 60 57 61 59 57 56 60 58 PWind dir SE S W NE NE NE E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds OV B2 OV OV B1 B1 B1 B1 SC SC B1 SC B1 SC B1 SC SC SC PoP 12hr 60 50 20 10 20 20 20 20 20 Rain shwrs L C C C S S S S S S S S S S S S Tstms S C C S $$ MDZ017-230800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1158 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 76 65 75 67 Temp 63 63 67 70 73 73 69 67 66 66 67 70 72 74 70 68 68 68 70 Dewpt 60 59 60 60 60 61 61 60 60 60 62 63 63 63 63 64 65 65 67 RH 90 87 78 71 64 66 76 78 81 81 84 78 73 69 78 87 90 90 90 Wind dir E E E E SE SE SE E E E E E E E E E SE SE SE Wind spd 4 4 5 6 8 9 9 8 6 6 6 9 9 10 10 9 8 8 8 Clouds SC B1 B1 SC B1 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 OV B2 PoP 12hr 0 20 30 40 40 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Drizzle O O O AR O AR AR AR AR AR AR AR AR C Coast Flood Y Y Y Y Y Y Y Y Y Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 69 82 68 79 66 77 62 77 Temp 76 73 70 71 80 75 70 70 77 72 68 68 75 69 64 64 75 70 Dewpt 68 67 68 69 70 69 68 67 67 65 64 63 61 59 59 60 60 58 PWind dir SE S S SE NE E E NE NE Wind char GN LT LT LT GN GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 40 30 10 10 20 20 20 10 10 Drizzle C Rain shwrs S C C S S S S S Tstms S C C $$ WVZ502-230800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1158 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 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 61 80 61 73 60 Temp 62 61 63 71 77 78 71 67 65 63 62 66 70 72 68 64 63 62 62 Dewpt 62 61 63 66 67 67 67 66 65 62 62 64 63 63 63 64 63 62 62 RH 100100100 84 71 69 87 97100 97100 93 78 73 84100100100100 Wind dir SE E SE S S S E NE NE NE E SE SE SE SE SE SE SE SE Wind spd 3 4 4 5 5 4 2 2 2 2 3 5 6 6 5 4 3 3 2 Clouds OV B2 OV B2 B1 B1 B2 OV OV OV OV OV B2 B2 OV OV OV OV B2 PoP 12hr 20 70 70 90 70 QPF 12hr 0.01 0.24 0.16 0.17 0.20 Snow 12hr 00-00 00-00 00-00 Drizzle O O O AR O AR O O Rain shwrs L L C C D D L L L L L Tstms S S C S S S S S S C C S S Obvis PF PF PF PF PF PF PF PF PF Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 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 79 61 83 60 78 57 75 54 74 Temp 76 72 64 63 81 75 64 60 76 70 62 58 73 67 57 55 72 67 Dewpt 66 66 64 62 65 65 63 60 63 63 61 58 60 59 57 55 57 56 PWind dir SE S E NE E E E E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 B2 B2 B1 SC B1 B1 SC SC PoP 12hr 60 40 20 20 30 30 30 20 20 Rain shwrs L L C C S S S C S C C C S S S S S Tstms S S S $$ MDZ014-230800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1158 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 71 64 71 66 Temp 66 66 65 68 69 70 68 67 66 66 65 67 69 70 69 67 68 68 68 Dewpt 61 61 61 60 61 61 61 61 61 61 62 62 63 63 63 64 64 66 66 RH 84 84 87 76 76 73 78 81 84 84 90 84 81 78 81 90 87 93 93 Wind dir SE E SE SE SE SE SE E E E E E E E E SE SE SE SE Wind spd 3 3 5 8 9 9 9 8 6 5 6 10 10 11 10 10 6 6 8 Clouds B2 B2 B1 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 OV OV B2 PoP 12hr 0 30 40 50 60 QPF 12hr 0 0 0.03 0.01 0.07 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR AR AR AR AR AR AR AR AR AR Rain shwrs L L C Obvis PF Coast Flood W W W W W W W W W Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 69 79 68 77 65 74 62 73 Temp 73 72 71 69 77 75 71 68 75 71 68 65 72 69 65 63 71 69 Dewpt 68 68 68 69 70 69 67 66 65 64 62 62 61 59 59 59 59 58 PWind dir SE S SW E NE E E E NE Wind char GN LT LT LT GN LT GN LT GN Avg clouds OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC PoP 12hr 50 40 20 10 20 20 20 20 10 Rain shwrs C C C C S S S S S S S Tstms S C C $$