Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
936 FOUS51 KLWX 140554 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 154 AM EDT Tue May 14 2024 VAZ054-142000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 154 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 72 62 69 60 77 Temp 61 64 67 69 68 66 64 62 62 62 65 66 67 66 64 63 62 61 69 73 77 73 Dewpt 56 57 59 60 61 61 60 60 60 61 61 61 60 59 58 58 58 58 58 57 57 57 RH 84 78 75 73 78 84 87 93 93 97 87 84 78 78 81 84 87 90 68 57 50 57 Wind dir S S S S S SE S SE E E NE NE NE NE N N N N N N N NE Wind spd 8 8 10 10 10 11 9 8 8 8 9 9 11 11 8 6 8 11 12 13 12 9 Clouds B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 80 80 80 50 20 QPF 12hr 0.21 0.38 0.28 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D L L D D C C S S S S S S Tstms S S S S S Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 78 63 73 62 78 63 82 Temp 63 64 75 73 65 63 70 69 64 63 75 74 65 66 80 77 Dewpt 57 58 59 59 59 60 61 60 58 59 59 58 58 59 60 59 PWind dir NE E SE E NE N N NW Wind char LT LT GN GN GN GN LT GN Avg clouds SC SC B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 5 20 60 50 50 30 20 30 Rain shwrs C L L C C C S S S S S C C Tstms S C S S C $$ MDZ013-142000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 154 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 60 67 58 76 Temp 58 62 68 70 69 66 63 63 61 62 63 64 65 63 62 60 58 61 68 73 76 72 Dewpt 53 56 59 60 61 61 61 60 59 61 61 61 60 60 59 58 57 58 58 58 58 58 RH 83 81 73 71 76 84 93 90 93 97 93 90 84 90 90 93 96 90 70 59 54 61 Wind dir S S S S S SE S SE SE E E NE NE NE N N N N N N N NE Wind spd 5 6 8 9 10 10 6 5 6 5 8 9 10 8 8 8 6 12 13 13 12 10 Clouds OV B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 60 80 70 40 20 QPF 12hr 0.20 0.39 0.28 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D L L L L C C S S S S S S Tstms S S S Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 76 60 71 59 75 59 81 Temp 61 62 74 72 63 62 69 67 60 61 73 71 62 63 79 75 Dewpt 57 58 59 60 59 60 61 61 58 59 59 59 58 60 60 60 PWind dir NE E SE SE NE N N W Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 5 20 60 50 50 30 20 30 Rain shwrs S C L C C C S S S S S C C Tstms S S S S S $$ MDZ011-142000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 154 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 75 63 72 63 81 Temp 59 61 70 72 72 67 66 66 64 63 69 67 70 68 67 66 64 63 72 77 81 77 Dewpt 54 56 58 59 61 60 60 59 59 59 59 60 59 58 58 57 57 56 56 57 57 57 RH 83 84 66 64 68 78 81 78 84 87 70 78 68 70 73 73 78 78 57 50 44 50 Wind dir S S S S S SE SE SE SE E E NE NE NE N N N N N N N NE Wind spd 4 5 8 10 9 9 6 5 6 5 8 8 9 6 8 6 6 11 12 13 11 9 Clouds B2 B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 60 80 70 40 20 QPF 12hr 0.20 0.40 0.34 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D L L L L C C S S S S S S Heat index 81 Max heat 81 Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 80 65 76 64 81 66 86 Temp 69 64 78 76 69 65 73 73 68 64 78 77 68 66 82 80 Dewpt 56 56 58 59 58 58 59 59 58 58 57 58 58 58 58 59 PWind dir NE E SE E NE N N W Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 10 20 60 50 50 30 20 30 Rain shwrs S C L L C C C C C S S C C Tstms S S S S $$ WVZ052-142000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 154 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 58 66 56 75 Temp 54 59 63 67 68 64 62 61 59 60 62 64 64 62 60 58 56 60 65 72 75 71 Dewpt 51 54 57 58 59 59 59 58 58 59 59 59 59 57 57 56 55 56 57 57 56 57 RH 90 83 81 73 73 84 90 90 96 96 90 84 84 84 90 93 96 87 75 59 52 61 Wind dir S S S S S SE SE SE E NE NE NE NE NE N N N N N N NE E Wind spd 4 4 6 10 10 9 8 6 5 5 5 5 5 5 5 5 5 8 9 10 10 8 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC FW PoP 12hr 80 80 90 50 30 QPF 12hr 0.19 0.31 0.35 0.02 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L C D D D D D D C C S S C C S S Tstms S S S S S C C S Obvis PF PF PF Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 75 58 71 56 77 57 80 Temp 58 61 73 70 60 61 67 68 59 60 73 72 60 63 77 73 Dewpt 55 56 59 60 58 59 59 58 55 56 57 58 56 58 59 58 PWind dir E SE SE E N N W W Wind char LT GN GN GN LT GN LT GN Avg clouds SC B1 B1 B2 B2 B2 B2 B1 SC B1 SC SC SC SC SC SC PoP 12hr 10 40 70 60 40 40 20 40 Rain shwrs C L L L L C S C C S S C C Tstms S S S C S C S S $$ VAZ506-142000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 154 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 71 61 67 59 76 Temp 59 62 67 67 68 66 63 63 61 62 64 65 66 65 62 61 59 61 68 74 76 72 Dewpt 52 55 59 60 61 61 61 60 60 61 61 61 60 60 59 59 58 58 59 59 59 59 RH 78 78 75 78 78 84 93 90 97 97 90 87 81 84 90 93 96 90 73 59 56 64 Wind dir S S S S S SE S SE E NE NE NE NE NE N N N N N N N NE Wind spd 6 9 8 9 10 10 9 5 5 4 5 6 9 5 5 5 5 10 12 12 11 8 Clouds B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 SC FW PoP 12hr 80 80 80 50 20 QPF 12hr 0.26 0.28 0.34 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L D L L L D L L D D C C S S S S S S Tstms S S C C S Obvis PF Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 57 78 61 71 59 76 59 82 Temp 60 61 75 73 63 62 69 68 62 62 74 72 62 63 78 75 Dewpt 57 58 60 61 61 61 62 61 59 59 59 60 59 60 61 61 PWind dir NE SE SE E NE N NW NW Wind char LT LT GN GN GN GN LT GN Avg clouds SC SC B1 B2 B2 B2 B2 B1 SC B1 SC SC SC SC SC SC PoP 12hr 10 20 60 60 50 40 20 30 Rain shwrs C L L C C C S C C S S C C Tstms S S C C S S C $$ VAZ037-142000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 154 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 61 72 60 81 Temp 60 61 64 66 67 65 63 62 62 61 67 69 70 68 65 63 62 61 70 76 80 75 Dewpt 54 56 59 60 61 60 59 59 58 59 60 60 59 59 58 58 56 57 58 57 57 57 RH 81 84 84 81 81 84 87 90 87 93 78 73 68 73 78 84 81 87 66 52 45 54 Wind dir S S S SE SE SE SE E NE NE N NE NE NE N N N N N N NE NE Wind spd 5 4 5 6 9 8 6 4 6 4 5 5 5 5 5 4 5 6 9 10 9 6 Clouds OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC PoP 12hr 90 80 90 50 20 QPF 12hr 0.50 0.25 0.47 0.02 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L D D D L L L L D D C C S S S S Tstms S S S S S S C C C C Obvis PF Heat index 80 Max heat 80 Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 80 63 77 61 82 62 85 Temp 63 63 78 75 66 64 73 73 64 62 79 76 64 65 81 79 Dewpt 57 57 59 60 60 60 60 59 57 58 57 58 57 57 58 59 PWind dir N SE SE SE N N NW SW Wind char LT LT LT LT LT GN LT GN Avg clouds SC B1 B1 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 10 40 60 60 40 30 20 40 Rain shwrs C L L L L C S C C S S C C Tstms S C S S C C C S C $$ MDZ003-142000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 154 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 71 60 67 57 76 Temp 56 60 66 68 69 65 63 62 61 61 63 64 65 63 61 59 58 61 67 73 76 72 Dewpt 51 54 57 59 60 59 60 59 59 60 61 60 59 58 58 57 57 58 58 59 58 59 RH 83 81 73 73 73 81 90 90 93 97 93 87 81 84 90 93 96 90 73 62 54 64 Wind dir S S S S S SE SE SE SE E NE E NE NE NE N N N N N NE E Wind spd 6 6 9 11 11 11 11 9 6 5 5 6 6 6 6 5 5 9 10 10 10 8 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 SC B1 SC FW PoP 12hr 80 80 90 40 20 QPF 12hr 0.19 0.28 0.33 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C D L D D D D C C S S S S S S Tstms S S S S S S C Obvis PF PF PF Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 57 75 60 71 57 77 59 80 Temp 60 61 73 71 62 62 68 67 59 60 73 72 61 62 77 74 Dewpt 56 58 60 61 60 60 60 59 57 58 59 60 58 59 61 60 PWind dir E SE SE E NE N N W Wind char LT GN GN GN LT GN LT GN Avg clouds SC B1 B2 B2 B2 B2 B2 B1 SC B1 SC SC SC SC SC SC PoP 12hr 10 30 70 60 40 40 20 40 Rain shwrs C L L L L C S C C S S C C Tstms S S S S S S $$ MDZ017-142000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 154 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 62 70 60 75 Temp 61 63 70 71 70 66 63 63 62 64 67 69 68 66 63 62 60 63 69 73 75 70 Dewpt 57 59 60 62 62 61 61 60 60 61 61 61 60 60 59 59 58 58 58 59 58 59 RH 87 87 71 73 76 84 93 90 93 90 81 76 76 81 87 90 93 84 68 62 55 68 Wind dir S S S S SE S S SE E E NE NE N N N N N N N N N N Wind spd 10 8 9 10 10 12 10 10 12 6 9 10 10 8 8 9 10 13 16 17 13 12 Clouds B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 50 90 70 40 10 QPF 12hr 0.13 0.59 0.34 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D D D L L L L C C S S Tstms S S S S S S S C Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 76 62 73 61 76 62 80 Temp 62 63 76 70 64 64 72 68 63 64 74 70 64 65 78 72 Dewpt 57 58 60 60 58 61 63 61 60 60 60 59 58 60 61 61 PWind dir N E SE SE NE N N NE Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC PoP 12hr 5 10 50 50 50 40 20 30 Rain shwrs S C C C C C S S S S S S C Tstms S S S C S S $$ WVZ502-142000- Petersburg WV 38.99N 79.15W Elev. 963 ft 154 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 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 72 58 70 57 78 Temp 56 57 63 70 71 66 62 61 59 60 63 67 68 65 62 60 58 57 65 74 78 72 Dewpt 52 54 59 60 60 59 59 58 58 59 61 61 61 60 59 58 57 57 59 59 59 59 RH 86 90 87 71 68 78 90 90 96 96 93 81 78 84 90 93 96100 81 59 52 64 Wind dir S E SE S S SE SE SE E NE NE NE NE NE N N N N N N N NE Wind spd 4 3 5 6 8 6 4 4 2 2 2 4 5 5 3 3 3 4 5 6 8 5 Clouds OV OV OV OV OV OV OV B2 OV OV B2 OV OV B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 70 70 90 50 40 QPF 12hr 0.12 0.10 0.41 0.04 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L L C C L L D D D D C C S S C C C C Tstms S S S S S S C C C C S Obvis PF PF PF Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 57 79 59 74 57 79 58 84 Temp 60 61 76 72 62 62 72 69 60 59 76 72 61 62 80 76 Dewpt 57 58 61 61 60 60 61 60 57 58 59 60 57 57 59 60 PWind dir S S S W NW NW W W Wind char LT LT LT LT LT GN LT GN Avg clouds SC B1 B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 10 50 70 60 40 40 20 40 Rain shwrs S L L L L L C S C C S S C C Tstms C C S S C S C S S $$ MDZ014-142000- Annapolis MD 38.99N 76.49W Elev. 7 ft 154 AM EDT Tue May 14 2024 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 62 67 60 74 Temp 60 63 67 69 69 66 65 64 63 62 64 65 65 65 63 62 62 61 67 71 73 70 Dewpt 56 58 60 61 62 60 60 60 60 61 61 61 60 60 60 59 58 58 58 59 59 59 RH 87 84 78 76 78 81 84 87 90 97 90 87 84 84 90 90 87 90 73 66 62 68 Wind dir S S S S S S S S SE E E NE NE NE N N N N N N N NE Wind spd 8 8 9 9 10 12 9 8 8 6 9 9 10 8 9 9 9 12 13 14 11 11 Clouds B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 60 90 70 40 20 QPF 12hr 0.20 0.39 0.33 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D L L L L C C S S S S S S Tstms S S S S Date Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 74 62 71 61 75 62 78 Temp 64 62 71 71 64 63 68 68 63 62 72 72 66 63 75 74 Dewpt 58 58 60 60 59 60 62 61 60 59 60 59 59 60 61 60 PWind dir NE E SE SE NE N N SW Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 5 10 60 50 50 30 20 30 Rain shwrs S C C C C C S S S S S C C Tstms S S S S $$