Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
071 FOUS51 KLWX 040847 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 447 AM EDT Sat May 4 2024 VAZ054-042000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 447 AM EDT Sat May 4 2024 Date Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 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 59 55 71 64 80 Temp 55 54 56 58 58 59 57 56 57 58 62 67 71 68 65 64 64 66 73 79 80 74 Dewpt 49 50 51 52 52 51 51 52 54 57 60 62 63 61 62 63 64 65 66 65 64 64 RH 80 86 83 80 80 75 80 86 90 96 93 84 76 78 90 97100 97 79 62 58 71 Wind dir E E E E E E E E E SE SE S S SE S S SW SW SW SW SW S Wind spd 10 9 10 10 12 12 12 12 11 10 11 11 12 9 8 5 5 5 6 5 8 5 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 OV B2 B2 B2 B1 B2 PoP 12hr 80 90 80 50 50 QPF 12hr 0.12 0.14 0.18 0.01 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D L D D D D D D L L C C S S S S C C C Tstms S S S S S C S S S S C C Heat index 82 Max heat 82 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 82 68 88 68 83 65 79 Temp 67 68 79 76 70 71 84 80 72 70 80 77 68 66 76 71 Dewpt 64 64 63 64 64 66 65 64 64 65 64 63 60 60 59 57 PWind dir SW SE S W S SW NW SW Wind char LT LT GN GN LT GN GN GN Avg clouds B2 B2 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 50 60 40 30 50 70 40 60 Rain shwrs C C C L C C C C C L C C L Tstms C C S C S C S C C S $$ MDZ013-042000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 447 AM EDT Sat May 4 2024 Date Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 59 53 69 62 81 Temp 51 53 55 59 59 56 54 53 53 54 60 64 69 67 65 63 62 64 73 80 80 75 Dewpt 48 50 51 51 51 50 50 51 52 54 58 60 62 62 63 62 62 64 66 65 64 65 RH 89 89 86 75 75 80 86 93 96100 93 87 78 84 93 97100100 79 60 58 71 Wind dir E E E E E E E E E E SE SE SE SE S S S SW SW SW S SE Wind spd 6 8 9 9 10 10 10 9 9 9 10 10 10 8 6 5 4 5 5 4 5 4 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 OV OV B2 B2 B2 B1 PoP 12hr 80 90 80 60 50 QPF 12hr 0.09 0.13 0.24 0.04 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D L L L D D D D L L L L C C S S C C C Tstms S S C S S S S S C Heat index 82 82 Max heat 82 83 Coast Flood Y Y Y Y A A Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 80 64 85 64 80 62 77 Temp 65 67 77 73 67 68 83 78 67 68 78 74 64 64 75 70 Dewpt 64 64 63 64 64 66 65 64 63 64 64 63 60 59 59 57 PWind dir W SE S W SE S NW SW Wind char LT LT GN GN LT GN GN GN Avg clouds B2 B1 B1 B1 B1 B1 B1 SC B1 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 50 50 40 40 50 70 50 60 Rain shwrs C C C C C S C C C C L C C L Tstms C C S S S S C S C C S $$ MDZ011-042000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 447 AM EDT Sat May 4 2024 Date Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 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 61 55 70 64 84 Temp 58 55 57 60 59 56 56 56 56 55 61 67 70 69 66 66 66 65 76 81 84 76 Dewpt 48 48 49 50 50 49 49 50 51 53 55 59 60 61 61 62 63 64 64 64 63 63 RH 69 77 75 69 72 77 77 80 83 93 81 75 71 76 84 87 90 97 66 56 49 64 Wind dir E E E E E E E E E E SE SE SE SE S S S SW SW SW S SE Wind spd 6 6 9 9 10 9 9 9 9 9 10 9 10 8 5 4 4 4 4 4 4 4 Clouds OV OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 B1 PoP 12hr 80 90 80 60 50 QPF 12hr 0.09 0.13 0.30 0.05 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D L L L L D D D D L L L L C C S S C C C Tstms S S C C S S S S C Heat index 83 85 Max heat 83 85 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 85 70 90 69 84 65 81 Temp 69 68 81 78 72 70 86 83 74 69 81 78 70 66 78 75 Dewpt 63 62 61 61 62 64 64 63 62 63 63 62 59 58 58 56 PWind dir W SE S W SE S NW SW Wind char LT LT GN GN LT GN GN GN Avg clouds B2 B2 B1 B1 B1 B1 B1 SC B1 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 50 60 40 40 50 70 50 60 Rain shwrs C C C L C S C C C C L C S C L Tstms C S S S S S C S C C S S $$ WVZ052-042000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 447 AM EDT Sat May 4 2024 Date Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 57 52 69 59 79 Temp 51 52 52 53 56 56 54 53 53 54 57 64 69 67 63 61 59 62 72 79 77 72 Dewpt 48 50 49 50 50 49 49 49 50 52 55 58 60 59 60 59 59 61 62 62 61 61 RH 89 93 89 89 80 77 83 86 89 93 93 81 73 75 90 93100 97 71 56 58 68 Wind dir E E E E E E SE SE E SE SE SE SE SE S S SW SW NW SE S SW Wind spd 6 5 6 8 9 9 9 8 6 5 5 5 6 5 4 2 2 2 3 4 4 4 Clouds OV OV OV B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 OV B2 B2 B1 B2 B1 PoP 12hr 90 100 90 50 60 QPF 12hr 0.12 0.34 0.24 0.01 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D L D D D D D D D D L L C C S S C C L L C Tstms S S S S C C C C C Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 78 61 84 61 80 59 76 Temp 61 64 75 72 65 68 81 76 65 66 77 72 62 64 73 67 Dewpt 59 60 61 61 60 62 61 61 60 62 63 60 57 58 57 53 PWind dir W SE SW W SW SW W W Wind char LT LT LT GN LT GN GN GN Avg clouds B1 B1 B1 B1 B1 B2 B1 SC SC B2 B2 B1 B1 B1 B1 B1 PoP 12hr 50 70 40 50 50 80 40 60 Rain shwrs C C C L C S S C C C L D C S C L Tstms C S S C S S C S S C C C $$ VAZ506-042000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 447 AM EDT Sat May 4 2024 Date Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 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 58 54 72 63 81 Temp 53 54 56 57 58 58 55 54 54 56 62 67 72 70 66 65 64 65 74 79 80 74 Dewpt 50 51 52 52 53 52 52 52 54 56 60 62 63 64 64 63 64 65 66 65 64 65 RH 89 90 86 83 83 80 90 93100100 93 84 73 81 93 93100100 76 62 58 74 Wind dir E E E E E E E E E SE SE S S SE S S SW SW W SW W S Wind spd 5 6 6 8 9 8 9 8 8 8 9 9 8 5 5 4 3 3 4 4 4 4 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 OV B2 B2 B2 B1 B2 PoP 12hr 90 100 90 50 60 QPF 12hr 0.14 0.21 0.17 0.01 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D D D L D D D D D D L L C C S S S S L L C Tstms S S S C C S C C C Heat index 82 Max heat 83 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 81 64 87 65 82 62 77 Temp 65 67 79 75 68 69 84 78 69 68 80 76 66 66 76 70 Dewpt 64 64 64 65 65 66 65 66 64 65 65 64 60 60 59 57 PWind dir W SE S W S SW W W Wind char LT LT GN GN LT GN GN GN Avg clouds B2 B2 B1 B1 B1 B1 B1 SC B1 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 50 70 40 40 50 70 40 60 Rain shwrs C C C L C C C C C L C S C L Tstms C C S C S C S C C S C $$ VAZ037-042000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 447 AM EDT Sat May 4 2024 Date Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 61 58 74 64 83 Temp 59 56 57 58 60 58 60 58 59 59 65 69 74 69 67 65 65 66 77 82 81 75 Dewpt 52 51 52 53 53 53 53 54 55 56 59 61 61 61 60 61 61 62 64 62 62 62 RH 78 83 83 83 78 83 78 86 87 90 81 76 64 76 78 87 87 87 64 51 53 64 Wind dir NE NE NE NE NE NE NE NE NE E SE S S S S SW SW SW SW S SW SW Wind spd 5 5 5 6 6 6 5 5 5 4 4 6 5 4 3 4 3 4 5 5 6 4 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 B2 B2 B2 B2 B1 B1 B1 B2 PoP 12hr 90 100 80 40 70 QPF 12hr 0.20 0.68 0.19 0.01 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D L D D D D D D L L C C C C L L C Tstms S S S S S S S C C C C C C Heat index 83 82 Max heat 83 84 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 85 66 90 67 87 65 82 Temp 67 67 82 78 71 70 86 81 71 70 83 79 69 67 76 74 Dewpt 61 62 62 62 61 63 62 62 61 63 64 62 59 59 59 54 PWind dir W SW SW SW SW SW W W Wind char LT LT LT GN LT GN LT GN Avg clouds B2 B2 B1 B1 SC B1 B1 SC B1 B1 B2 B1 B1 B1 B1 B1 PoP 12hr 50 70 20 30 40 70 40 60 Rain shwrs C S C L S C C C C L C C L Tstms C S C S S C S S C C C $$ MDZ003-042000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 447 AM EDT Sat May 4 2024 Date Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 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 57 52 68 60 79 Temp 52 51 53 54 56 56 54 53 53 54 58 62 68 66 65 62 60 62 70 77 78 72 Dewpt 49 50 50 51 51 50 50 50 51 52 55 59 61 61 62 62 60 62 64 64 63 63 RH 89 96 89 90 83 80 86 89 93 93 90 90 78 84 90100100100 81 64 60 73 Wind dir E E E E E SE SE SE SE SE SE SE SE SE S S SW SW W W SW N Wind spd 5 5 6 9 9 9 10 9 8 6 6 6 6 5 6 4 2 3 3 4 5 4 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 OV OV B2 B2 B2 B1 B2 PoP 12hr 90 100 90 60 50 QPF 12hr 0.13 0.37 0.26 0.02 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D D D L D D D D D D L L L L S S C C C C C Tstms S S S C S C C C Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 78 63 83 63 79 60 76 Temp 62 65 76 72 66 68 81 76 66 67 77 72 62 63 73 67 Dewpt 61 61 63 64 63 64 63 64 62 63 64 62 58 59 58 55 PWind dir NW SE S W S SW W W Wind char LT LT GN GN LT GN GN GN Avg clouds B2 B1 B1 B1 B1 B2 B1 SC SC B2 B2 B1 B1 B1 B2 B1 PoP 12hr 40 70 40 50 50 80 50 60 Rain shwrs C C C L C S S C C C L D C S C L Tstms C S S C S S S S S C C S C $$ MDZ017-042000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 447 AM EDT Sat May 4 2024 Date Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 63 58 75 66 83 Temp 55 57 61 63 62 61 58 59 61 63 71 73 74 69 66 66 66 69 78 82 81 74 Dewpt 51 52 53 54 53 53 53 54 55 58 60 62 61 62 63 63 63 64 65 65 64 65 RH 86 83 75 72 72 75 83 83 81 84 68 68 64 78 90 90 90 84 64 56 56 74 Wind dir E E E E E E E E SE SE SE SE SE SE S S S SW SW S S S Wind spd 9 10 10 11 12 12 12 12 13 12 13 13 12 11 10 9 8 8 8 6 8 8 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 60 60 50 50 60 QPF 12hr 0.15 0.04 0.10 0.02 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L C C C C L L C C C C C C C C S S L L C Tstms S S S S S S C C Heat index 84 83 Max heat 84 85 Coast Flood Y Y Y A A A Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 79 65 85 66 82 65 77 Temp 68 68 76 71 67 70 82 76 69 69 79 74 67 67 75 69 Dewpt 63 64 65 64 63 65 65 65 63 65 65 65 62 61 62 60 PWind dir SW S S SW S SW W S Wind char LT LT GN GN GN GN GN GN Avg clouds B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 PoP 12hr 50 50 30 20 40 60 40 60 Rain shwrs C C C C C S C C C L C S L Tstms C C S S S S S S S C C S $$ WVZ502-042000- Petersburg WV 38.99N 79.15W Elev. 963 ft 447 AM EDT Sat May 4 2024 Date Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 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 62 55 76 59 81 Temp 60 55 55 59 60 60 57 56 55 56 63 74 76 71 65 62 59 62 74 79 80 73 Dewpt 56 55 55 56 56 55 55 54 55 55 59 62 64 63 61 60 58 61 64 63 62 61 RH 87100100 90 87 84 93 93100 96 87 66 66 76 87 93 96 97 71 58 54 66 Wind dir E E E E E E E E E SE S S S S S SW SW SW SW W W W Wind spd 3 3 3 4 5 5 4 4 3 2 4 5 4 4 3 3 2 2 3 4 4 4 Clouds OV B2 OV OV OV OV OV OV OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 PoP 12hr 90 90 80 40 70 QPF 12hr 0.09 0.26 0.31 0.01 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L D D D D D D D D L L C C C C L L C Tstms S S S C C C S S C C C Heat index 81 Max heat 82 Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 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 81 63 85 63 84 60 77 Temp 63 64 77 75 66 67 82 77 66 67 79 75 64 63 73 68 Dewpt 59 61 63 64 61 63 61 62 61 63 64 62 58 58 57 55 PWind dir SW SW SW W SW W W W Wind char LT LT GN GN GN BZ GN GN Avg clouds B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B2 B1 B1 B1 B1 B1 PoP 12hr 40 70 40 50 50 80 40 60 Rain shwrs C C C L C S S C C C L D C S C L Tstms C C C S S C C C C C C C $$ MDZ014-042000- Annapolis MD 38.99N 76.49W Elev. 7 ft 447 AM EDT Sat May 4 2024 Date Sat 05/04/24 Sun 05/05/24 Mon 05/06/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 60 54 71 64 80 Temp 53 52 54 58 58 58 54 56 56 57 62 66 71 70 67 64 64 65 74 79 79 74 Dewpt 50 50 51 52 52 50 51 52 53 55 58 62 62 62 63 64 63 65 66 66 66 65 RH 89 93 90 80 80 75 90 86 90 93 87 87 73 76 87100 97100 76 64 64 74 Wind dir E E E E E E E E E SE SE S S S S S S SW SW S S S Wind spd 8 9 10 10 11 11 11 11 11 11 11 11 11 11 9 6 5 5 5 5 5 4 Clouds OV OV OV OV OV OV B2 OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 70 80 70 60 50 QPF 12hr 0.12 0.09 0.19 0.04 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L L L D D L L L L L L C C S S C C C Tstms S S C S S S S S C Coast Flood Y Y Y Y A A Date Tue 05/07/24 Wed 05/08/24 Thu 05/09/24 Fri 05/10/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 77 66 83 66 78 64 75 Temp 68 67 74 72 69 68 79 77 69 68 76 74 67 65 73 70 Dewpt 65 64 65 64 64 65 66 64 64 64 66 64 62 60 61 59 PWind dir SW E S SW S S NW SW Wind char LT LT GN GN LT GN GN GN Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 50 60 40 30 40 70 50 60 Rain shwrs C C C L C S C C C C L C C L Tstms C C S S S S C S C C S $$