Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
976 FOUS51 KLWX 222337 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 736 PM EDT Sun Sep 22 2024 VAZ054-230800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 736 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 65 73 67 Temp 71 68 67 66 66 69 73 72 68 68 67 66 66 67 70 73 71 69 69 68 68 Dewpt 64 62 61 61 60 60 60 60 60 60 61 61 61 62 62 63 62 63 64 65 65 RH 79 81 81 84 81 73 64 66 76 76 81 84 84 84 76 71 73 81 84 90 90 Wind dir E SE SE SE E SE SE SE SE E E E E E E E E SE SE SE SE Wind spd 5 5 6 5 6 9 10 10 9 9 9 8 8 10 10 10 10 10 9 9 9 Clouds SC B1 B2 B2 B2 B2 OV B2 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 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 76 69 81 68 79 66 78 63 77 Temp 74 72 71 71 79 75 70 68 77 73 68 66 75 72 66 64 74 71 Dewpt 67 66 67 67 67 65 64 62 61 60 61 61 60 58 59 58 56 55 PWind dir SE SE SW NE NE NE NE NE NE Wind char GN LT LT LT GN GN GN GN GN Avg clouds OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 40 20 20 20 20 30 20 20 Rain shwrs C C C C S S S S S S S S C C S S S S Tstms S S C C S S $$ MDZ013-230800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 736 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 71 61 71 63 Temp 68 63 63 63 62 67 70 69 66 64 63 62 62 66 69 70 68 65 64 64 65 Dewpt 64 63 60 60 61 61 61 62 62 61 60 60 61 63 63 64 63 63 63 64 65 RH 87100 90 90 97 81 73 78 87 90 90 93 97 90 81 81 84 93 97100100 Wind dir E SE SE E E SE SE E SE E E E E E E E E SE SE SE SE Wind spd 2 3 3 3 4 6 6 6 5 5 5 5 5 8 8 9 8 6 5 5 6 Clouds B2 B1 OV B2 B2 B2 OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 40 40 50 60 QPF 12hr 0 0.02 0.07 0.02 0.09 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR AR AR AR AR AR AR AR O O Rain shwrs L L C Coast Flood W W W W W W W W W W W Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 66 79 64 77 62 76 59 76 Temp 72 71 67 68 77 73 66 64 75 71 63 62 74 70 62 60 73 69 Dewpt 69 68 67 68 68 67 63 62 62 62 59 60 61 60 58 58 57 59 PWind dir SE S SW NE NE NE E E NE Wind char GN LT LT LT LT LT GN LT LT Avg clouds OV OV B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 50 50 20 20 20 20 20 20 20 Rain shwrs C C C C S S S S S S S S S S S S Tstms S C C S S $$ MDZ011-230800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 736 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 70 68 65 66 65 69 72 72 68 68 66 66 65 68 71 72 70 68 67 67 67 Dewpt 63 61 60 59 59 58 58 59 59 59 59 59 60 61 61 62 61 61 63 63 64 RH 78 78 84 78 81 68 61 64 73 73 78 78 84 78 71 71 73 78 87 87 90 Wind dir E SE SE SE E SE SE SE SE E E E E E E E E E SE E SE Wind spd 2 3 2 2 4 6 8 6 5 5 4 5 5 8 9 9 8 6 5 5 6 Clouds B1 B1 B2 B2 B1 B2 B2 B2 OV OV OV OV OV B2 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 Coast Flood Y Y 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 76 69 82 67 80 65 79 62 78 Temp 75 71 70 71 80 75 70 67 78 73 68 65 77 71 65 62 76 71 Dewpt 67 67 66 66 66 65 63 60 60 60 59 58 60 58 58 56 56 55 PWind dir SE S SW N NE NE E E NE Wind char GN LT LT LT GN LT GN LT GN Avg clouds OV OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 50 50 20 20 20 20 20 20 20 Rain shwrs C C C C S S S S S S S S S S S Tstms S C C S S $$ WVZ052-230800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 736 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 67 59 67 60 Temp 66 62 63 61 62 63 65 66 64 62 62 60 60 62 64 67 64 62 62 60 61 Dewpt 64 62 63 61 61 61 62 62 62 62 62 60 60 62 63 63 63 62 62 60 61 RH 93100100100 97 93 90 87 93100100100100100 97 87 97100100100100 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE Wind spd 4 3 4 6 9 10 10 10 5 5 6 9 8 10 10 10 6 8 8 8 8 Clouds OV B2 OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV OV B2 OV OV PoP 12hr 10 70 90 80 80 QPF 12hr 0 0.12 0.10 0.16 0.28 Snow 12hr 00-00 00-00 00-00 Drizzle O O O D O O Rain shwrs C C L L D D D D D D L Tstms S S S S S S S S S Obvis PF Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 61 77 59 75 57 73 54 73 Temp 68 66 63 63 75 70 61 61 73 68 59 59 71 66 57 56 71 66 Dewpt 67 66 63 63 66 64 61 60 61 60 59 58 60 59 57 55 57 57 PWind dir SE SE NW NE NE NE NE NE E Wind char LT LT LT LT GN LT GN LT LT Avg clouds B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 60 50 30 20 20 30 30 30 20 Rain shwrs L C C C C S S S S S C C C C C S S S Tstms S C S S S $$ VAZ506-230800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 736 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 61 70 63 Temp 69 64 64 63 62 66 70 70 67 65 63 62 62 65 69 70 68 65 65 63 65 Dewpt 66 64 64 62 62 63 64 64 63 63 62 61 62 65 66 65 64 65 65 63 65 RH 90100100 97100 90 81 81 87 93 97 97100100 90 84 87100100100100 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE E SE SE SE SE SE SE SE SE Wind spd 2 2 4 5 5 8 6 6 5 5 5 5 5 8 8 8 5 5 5 5 5 Clouds B1 B1 OV OV B2 B2 OV B2 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 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 73 65 79 64 76 61 75 58 75 Temp 71 71 68 67 77 73 66 64 74 71 63 61 73 69 61 58 72 68 Dewpt 70 69 67 67 69 67 64 62 63 62 61 60 62 60 59 58 60 58 PWind dir SE SE N NE NE NE NE NE NE Wind char LT LT LT LT LT LT GN LT LT Avg clouds OV OV B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 50 50 20 20 20 30 30 30 20 Rain shwrs C C C C S S S S S S C C C C C S S S Tstms S C C C S S $$ VAZ037-230800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 736 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 73 62 70 62 Temp 69 65 64 63 62 66 70 72 70 67 64 63 62 65 67 69 67 65 63 62 62 Dewpt 66 65 64 63 62 63 63 63 63 64 63 62 62 62 63 64 63 64 63 62 62 RH 90100100100100 90 78 73 78 90 97 97100 90 87 84 87 97100100100 Wind dir E SE S S S S S S E E E E E E E E E E E E SE Wind spd 4 2 2 3 4 5 5 5 3 2 3 3 3 5 5 5 3 2 2 2 2 Clouds B1 B2 B2 B2 B2 B2 B2 OV OV OV B2 OV B2 OV OV B2 OV OV B2 B2 B2 PoP 12hr 20 50 80 70 70 QPF 12hr 0.01 0.01 0.06 0.08 0.30 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR AR O D AR AR AR AR Rain shwrs L L L L L L C Tstms S S S S S S Obvis PF PF PF Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 64 78 64 75 62 75 57 73 Temp 70 69 65 65 76 72 66 64 73 70 64 62 73 69 61 58 71 67 Dewpt 67 67 65 65 67 66 65 64 63 62 61 60 61 60 59 57 58 57 PWind dir SE S SE NE NE NE NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 50 40 30 30 30 30 40 30 30 Rain shwrs C C C C S C C C C C C C C C C C S C Tstms S S C C S $$ MDZ003-230800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 736 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 68 64 64 63 62 64 67 67 66 64 62 61 60 63 65 67 65 64 63 63 63 Dewpt 65 64 63 62 61 62 64 64 63 62 62 60 60 63 64 64 63 63 63 63 63 RH 90100 97 97 97 93 90 90 90 93100 97100100 97 90 93 97100100100 Wind dir SE SE SE SE SE SE SE SE E SE SE SE E SE SE SE SE SE SE SE SE Wind spd 3 2 4 6 6 9 9 8 5 5 5 6 5 8 8 9 6 6 6 6 6 Clouds OV B2 OV OV OV OV B2 OV OV OV OV OV OV OV B2 OV 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 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 71 64 77 61 75 58 74 56 74 Temp 70 69 65 65 75 71 63 61 73 68 60 59 72 67 58 57 72 67 Dewpt 69 67 65 65 67 64 62 60 62 60 58 57 61 60 57 56 59 57 PWind dir SE SE W NE NE NE E E E Wind char LT LT LT LT LT LT GN LT LT Avg clouds B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 50 20 20 20 30 30 30 20 Rain shwrs L C C C S S S S S S C C C S C S S Tstms S C C S S $$ MDZ017-230800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 736 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 76 65 76 67 Temp 68 64 63 63 65 70 74 75 70 66 66 65 67 70 74 75 71 69 68 68 70 Dewpt 63 60 60 59 60 60 59 60 60 60 60 60 62 63 63 63 63 64 65 65 67 RH 84 87 90 87 84 71 59 60 71 81 81 84 84 78 69 66 76 84 90 90 90 Wind dir SE E E E E E SE SE SE E E E E E E E E E SE SE SE Wind spd 5 5 4 4 5 6 6 8 8 8 6 5 6 8 9 10 10 9 6 8 8 Clouds B2 SC SC B1 B1 B1 B1 SC B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 OV B2 PoP 12hr 0 20 30 40 40 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Drizzle O O O AR O AR AR AR AR AR AR AR AR C Coast Flood Y Y Y Y Y Y Y Y Y Y Y Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 69 80 67 78 65 78 63 78 Temp 77 74 70 71 80 73 69 69 76 72 67 67 76 71 65 65 76 71 Dewpt 68 67 68 69 69 67 66 65 63 62 62 62 61 60 59 59 58 58 PWind dir SE S S E NE NE NE NE NE Wind char GN LT LT LT GN GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 40 30 20 20 20 20 20 20 20 Drizzle C Rain shwrs S C C S S S S S S S S S S S S Tstms S C C S S S $$ WVZ502-230800- Petersburg WV 38.99N 79.15W Elev. 963 ft 736 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 78 60 74 60 Temp 70 63 62 61 62 71 75 77 71 65 63 61 61 67 72 74 70 64 63 60 62 Dewpt 65 63 62 61 62 64 66 65 65 65 63 61 61 63 63 63 63 63 63 60 62 RH 84100100100100 79 74 67 81100100100100 87 73 69 78 97100100100 Wind dir E SE SE E SE S S SE E SE SE SE SE SE SE SE SE SE SE SE S Wind spd 3 3 3 4 4 5 5 5 3 2 2 2 2 4 5 6 5 5 3 3 3 Clouds B2 OV OV B2 B2 B2 B1 B2 B1 OV OV OV B2 OV B2 B2 B2 OV B2 OV B2 PoP 12hr 30 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 AR O 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 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 78 59 82 57 78 55 78 52 76 Temp 76 72 63 61 80 73 62 58 75 70 60 56 75 69 58 53 74 68 Dewpt 65 65 63 61 63 62 60 58 60 60 59 56 58 58 57 53 56 55 PWind dir S SW SE NE E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 B2 B1 SC SC SC SC SC PoP 12hr 60 40 20 20 30 30 30 30 20 Rain shwrs L L C C S S S S S C C C C C C S S S Tstms S S S S S $$ MDZ014-230800- Annapolis MD 38.99N 76.49W Elev. 7 ft 736 PM EDT Sun Sep 22 2024 Date 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 72 64 70 65 Temp 70 68 66 66 64 68 71 71 69 67 66 65 65 67 68 70 68 66 66 65 67 Dewpt 64 61 61 61 60 59 59 60 60 60 60 61 61 62 63 63 63 64 64 65 66 RH 81 78 84 84 87 73 66 68 73 78 81 87 87 84 84 78 84 93 93100 97 Wind dir E SE SE E E E SE SE SE E E E E E E E E SE SE SE SE Wind spd 2 5 3 3 5 8 8 9 8 8 5 5 6 10 10 10 10 9 6 8 8 Clouds B2 SC B2 B2 B1 B2 B2 B2 OV B2 OV OV B2 B2 OV B2 B2 B2 OV OV B2 PoP 12hr 5 30 40 50 60 QPF 12hr 0 0 0.03 0.01 0.07 Snow 12hr 00-00 00-00 00-00 Drizzle O AR AR AR AR AR AR AR AR AR AR AR AR Rain shwrs L L C Coast Flood W W W W W W W W W W W Date 09/25 Thu 09/26/24 Fri 09/27/24 Sat 09/28/24 Sun 09/29/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 68 77 67 75 65 74 62 73 Temp 72 71 70 70 76 74 69 67 74 71 67 65 73 70 65 63 71 69 Dewpt 68 67 68 68 68 67 65 63 62 62 61 61 61 60 59 59 58 58 PWind dir SE S SW NE NE NE NE E NE Wind char GN LT LT LT GN LT GN LT GN Avg clouds OV OV B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 50 40 20 20 20 20 20 20 20 Rain shwrs C C C C S S S S S S S S S S S S Tstms S C C S S $$