Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
478 FOUS51 KLWX 150239 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1039 PM EDT Tue May 14 2024 VAZ054-150800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1039 PM EDT Tue May 14 2024 Date 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 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 68 60 72 60 Temp 65 63 63 63 64 64 66 64 63 61 61 63 67 70 71 69 65 62 60 63 Dewpt 60 59 60 60 60 60 60 59 58 58 57 57 57 57 57 56 57 56 56 56 RH 84 87 90 90 87 87 81 84 84 90 87 81 70 63 61 63 75 81 87 78 Wind dir SE E E NE NE NE NE N N N N N N N N NE NE N N NE Wind spd 6 5 6 8 6 8 6 6 5 6 6 9 10 11 9 6 6 4 4 5 Clouds OV OV OV OV OV OV OV OV B2 B2 OV B2 B2 B2 B2 B1 SC SC SC B1 PoP 12hr 90 80 50 20 5 QPF 12hr 0.64 0.46 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D D D D D D C C S S S S S S Tstms S S Obvis PF PF PF PF PF PF PF Date 05/17 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 Tue 05/21/24 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 60 72 60 72 60 77 60 80 Temp 75 72 62 62 69 68 62 62 69 69 62 62 75 73 62 64 78 75 Dewpt 56 57 57 57 59 58 58 57 57 57 57 57 56 57 57 58 58 58 PWind dir E SE E E NE NE NE S SW Wind char LT LT GN GN GN GN GN LT GN Avg clouds B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 10 40 60 50 40 20 20 20 20 Rain shwrs C C C L C C C C S S S S Tstms S S $$ MDZ013-150800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1039 PM EDT Tue May 14 2024 Date 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 66 59 70 57 Temp 63 62 60 61 62 64 63 63 61 60 59 60 65 69 70 67 63 60 57 60 Dewpt 61 59 59 60 61 61 61 59 59 58 57 58 59 59 58 58 58 56 55 56 RH 93 90 96 97 97 90 93 87 93 93 93 93 81 70 66 73 84 87 93 87 Wind dir S SE E E NE NE NE NE N N N N N N N NE NE N N NE Wind spd 8 5 8 10 9 10 9 8 8 9 9 10 11 11 10 8 6 5 5 5 Clouds OV OV OV OV OV OV OV B2 B2 B1 B2 B2 B2 B2 B2 B1 SC SC SC B1 PoP 12hr 90 90 50 30 5 QPF 12hr 0.38 0.70 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D D D D L L C C C C C C S S Tstms S S Obvis PF PF PF PF PF PF PF PF PF Date 05/17 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 Tue 05/21/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 58 70 58 70 57 74 57 78 Temp 73 70 60 60 68 66 59 59 68 67 59 60 73 71 59 62 77 74 Dewpt 57 57 57 57 58 59 57 58 58 58 57 57 57 58 56 58 59 59 PWind dir E SE E E NE NE NE W SW Wind char LT LT GN GN GN GN GN GN GN Avg clouds SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 10 30 50 50 30 20 20 20 20 Rain shwrs S C C C C C C C S S S S S Tstms S $$ MDZ011-150800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1039 PM EDT Tue May 14 2024 Date 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 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 71 64 75 62 Temp 69 65 65 65 68 69 68 66 67 64 64 66 70 74 75 69 68 64 63 66 Dewpt 60 59 59 58 59 59 59 59 58 57 57 57 57 56 57 56 56 55 54 55 RH 73 81 81 78 73 70 73 78 73 78 78 73 63 53 54 63 65 73 72 68 Wind dir S SE E E NE NE NE NE N N N N N N N NE NE N N NE Wind spd 8 5 6 9 9 10 9 8 8 8 9 10 11 11 10 8 8 5 5 5 Clouds OV OV OV OV OV OV OV OV B2 B1 B2 B2 B2 B2 B2 B1 SC SC SC SC PoP 12hr 80 90 50 30 5 QPF 12hr 0.40 0.49 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D D D D D D C C C C C C S S Tstms S S Date 05/17 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 Tue 05/21/24 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 63 75 63 75 62 80 63 83 Temp 78 73 65 65 73 68 64 65 73 69 64 66 78 73 65 68 81 76 Dewpt 56 57 56 56 57 57 56 55 57 57 56 56 56 58 56 56 57 58 PWind dir E SE E E NE NE NE W SW Wind char LT LT GN GN GN GN GN GN GN Avg clouds SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 10 30 50 50 30 20 20 20 20 Rain shwrs S C C C C C C C S S S S S S Tstms S $$ WVZ052-150800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1039 PM EDT Tue May 14 2024 Date 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 64 55 72 54 Temp 62 60 59 59 61 62 63 63 60 58 58 58 64 68 71 69 61 58 55 58 Dewpt 59 58 57 58 58 58 58 57 57 56 55 56 56 56 55 56 55 54 53 55 RH 90 93 93 96 90 87 84 81 90 93 90 93 75 65 57 63 81 86 93 90 Wind dir S SE E E E NE NE NE N N N N N N N NE E NE NE E Wind spd 8 5 4 6 6 5 6 5 5 5 5 6 9 9 8 4 4 2 2 2 Clouds OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC B1 B1 PoP 12hr 80 90 60 30 5 QPF 12hr 0.34 0.25 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D D D D D D L L C C C C S S Tstms S S Obvis PF PF PF PF PF PF PF PF PF PF Date 05/17 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 Tue 05/21/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 57 69 57 70 55 74 55 77 Temp 72 71 60 59 66 66 59 58 67 68 57 58 72 71 59 60 75 74 Dewpt 56 57 55 57 58 57 56 56 57 56 54 56 55 56 54 57 57 57 PWind dir SE SE SE E NE N N SW SW Wind char LT LT GN GN GN LT GN LT GN Avg clouds B1 B1 B2 OV B2 B2 B2 B2 B2 B1 SC B1 SC SC SC B1 SC SC PoP 12hr 20 60 70 50 30 20 20 20 30 Rain shwrs S C L L L C C C C S S S S S C Tstms S S S $$ VAZ506-150800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1039 PM EDT Tue May 14 2024 Date 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 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 59 66 59 71 56 Temp 64 62 60 61 63 64 65 64 62 61 59 60 65 70 71 69 63 60 56 60 Dewpt 61 60 60 61 61 60 60 59 59 58 57 58 59 58 58 59 58 57 56 57 RH 90 93100100 93 87 84 84 90 90 93 93 81 66 63 70 84 90100 90 Wind dir S E E E E NE NE N N N N N N N N NE NE N N NE Wind spd 8 5 6 8 6 6 6 5 5 6 8 9 10 11 10 6 6 3 3 4 Clouds OV OV OV OV OV OV OV OV B2 B1 OV B2 B2 B1 B1 SC SC SC SC B1 PoP 12hr 90 80 60 20 10 QPF 12hr 0.75 0.41 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D D D D D D L L C C S S S S Tstms S S Obvis PF PF PF PF PF PF PF PF PF PF Date 05/17 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 Tue 05/21/24 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 59 71 59 70 57 75 57 79 Temp 75 72 61 61 69 68 61 60 68 68 60 60 73 72 60 62 77 75 Dewpt 58 59 58 59 60 60 58 58 59 59 57 58 58 60 57 58 59 60 PWind dir E SE SE E NE NE N S W Wind char LT LT GN GN GN GN GN LT GN Avg clouds B1 B1 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 10 50 60 50 40 20 20 20 30 Rain shwrs C C C L C C C C S S S C Tstms S S $$ VAZ037-150800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1039 PM EDT Tue May 14 2024 Date 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 71 60 77 59 Temp 65 63 63 63 66 67 69 66 65 62 62 63 68 73 76 71 66 62 60 63 Dewpt 59 58 58 58 59 60 59 58 57 57 56 56 56 56 55 56 55 55 54 56 RH 81 84 84 84 78 78 70 75 75 84 81 78 65 55 48 59 68 78 81 78 Wind dir E NE NE NE NE NE NE NE NE N N N N N N NE NE N N NE Wind spd 4 4 5 5 5 5 5 5 4 4 4 4 5 5 5 4 4 3 2 3 Clouds OV OV OV OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC B1 B1 PoP 12hr 100 80 50 20 5 QPF 12hr 0.70 0.06 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D L L L D D C C S S S S Tstms S C C Obvis PF PF PF PF Date 05/17 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 Tue 05/21/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 62 74 62 75 60 79 60 82 Temp 77 74 64 64 72 70 64 64 72 71 62 63 76 74 62 65 80 76 Dewpt 57 58 58 58 60 59 58 57 57 56 55 55 56 57 56 56 56 57 PWind dir E SE SE NE NE N NE NW SW Wind char LT LT LT LT GN LT GN LT GN Avg clouds B1 B1 B2 OV B2 B2 B2 B2 B1 B1 SC B1 SC SC SC SC SC SC PoP 12hr 30 60 80 50 40 20 20 20 30 Rain shwrs C L L L D C C C C S S S C Tstms S S C S $$ MDZ003-150800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1039 PM EDT Tue May 14 2024 Date 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 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 59 66 57 73 55 Temp 63 61 60 61 62 64 64 63 60 59 58 60 66 70 72 69 61 59 56 59 Dewpt 60 59 59 59 59 59 59 57 57 57 56 57 58 58 57 58 56 55 54 56 RH 90 93 96 93 90 84 84 81 90 93 93 90 75 66 59 68 84 87 93 90 Wind dir S SE E E E E NE NE N N N N N N N NE E NE NE E Wind spd 9 5 4 6 8 6 6 6 5 5 6 8 10 10 9 4 6 3 3 3 Clouds OV OV OV OV OV OV B2 B2 B1 B1 B2 B2 B2 B1 SC SC FW SC B1 B1 PoP 12hr 80 90 50 30 10 QPF 12hr 0.31 0.22 0.02 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D D D D D D C C C C C C S S Tstms S S Obvis PF PF PF PF PF PF PF PF PF PF Date 05/17 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 Tue 05/21/24 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 58 69 58 70 57 74 57 77 Temp 73 71 60 60 67 66 60 59 68 68 59 59 72 71 59 61 76 74 Dewpt 58 58 57 58 60 59 58 57 58 58 56 57 57 58 56 58 59 59 PWind dir SE SE SE E NE NE NW S SW Wind char LT LT GN GN GN LT GN LT GN Avg clouds B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 SC B1 SC SC SC B1 SC SC PoP 12hr 20 50 70 50 30 20 20 20 30 Rain shwrs S C C L L C C C C S S S S S C Tstms S S $$ MDZ017-150800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1039 PM EDT Tue May 14 2024 Date 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 69 60 71 60 Temp 64 63 62 64 66 68 68 65 63 62 61 63 67 70 69 66 63 62 60 62 Dewpt 59 59 59 61 62 62 61 60 59 59 58 59 59 59 58 58 58 56 56 57 RH 84 87 90 90 87 81 78 84 87 90 90 87 75 68 68 75 84 81 87 84 Wind dir SE SE E E NE N N N N N N N N N N N N N N N Wind spd 13 13 13 13 10 9 10 10 10 11 12 12 13 13 12 10 12 10 9 10 Clouds OV OV OV OV OV OV B2 B2 B2 B2 OV B2 B2 B2 B2 B1 SC B1 B1 B1 PoP 12hr 90 80 40 30 5 QPF 12hr 0.36 0.28 0.03 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D D D D L L C C C C S S C C Tstms S S Obvis PF PF PF PF PF PF Date 05/17 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 Tue 05/21/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 59 72 59 72 59 74 60 78 Temp 73 69 61 62 70 66 61 61 71 66 61 62 73 69 62 64 76 71 Dewpt 58 57 56 57 60 59 58 58 60 58 57 58 58 58 57 58 59 60 PWind dir NE SE SE E NE NE NE NE NW Wind char LT LT GN GN GN GN GN GN GN Avg clouds SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 5 30 50 50 40 20 20 20 20 Rain shwrs S C C C C C C C S S S S Tstms S S $$ WVZ502-150800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1039 PM EDT Tue May 14 2024 Date 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 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 58 68 56 75 54 Temp 63 60 60 59 62 65 66 63 60 58 57 57 63 71 74 69 61 58 55 58 Dewpt 59 58 58 58 60 61 60 59 58 57 56 56 57 58 58 58 56 55 54 56 RH 87 93 93 96 93 87 81 87 93 96 96 96 81 63 57 68 84 90 96 93 Wind dir SE E E E NE NE NE NE NE N N N N N N N W SE SW SE Wind spd 4 2 2 3 3 4 4 3 3 3 3 2 3 5 4 2 2 1 1 1 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC B1 B1 B1 B1 PoP 12hr 70 90 60 30 5 QPF 12hr 0.23 0.12 0.02 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L D D D D L L S S C C C C Tstms S S S S Obvis PF PF PF PF PF PF PF PF PF PF PF Date 05/17 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 Tue 05/21/24 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 59 74 59 75 56 78 57 81 Temp 77 73 62 61 71 69 61 60 72 70 58 59 76 73 60 61 79 75 Dewpt 59 60 59 59 61 61 59 58 60 58 56 56 56 58 56 57 58 59 PWind dir SE SE SE E NE N N SW W Wind char LT LT LT LT GN LT GN LT GN Avg clouds B1 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 40 60 80 40 40 20 20 20 30 Rain shwrs C L L L D C S C C S S S S C Tstms S S C S S $$ MDZ014-150800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1039 PM EDT Tue May 14 2024 Date 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 66 60 70 60 Temp 65 63 62 63 64 64 65 63 63 61 62 63 65 67 69 66 64 62 60 62 Dewpt 61 60 60 60 61 62 61 59 59 59 59 59 58 59 58 58 58 58 57 57 RH 87 90 93 90 90 93 87 87 87 93 90 87 78 75 68 75 81 87 90 84 Wind dir S SE E E NE NE NE NE N N N N N N N NE NE NE N NE Wind spd 10 8 10 12 11 12 10 10 10 11 11 11 12 11 10 9 10 8 8 8 Clouds OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 SC B1 SC B1 PoP 12hr 90 90 50 20 5 QPF 12hr 0.42 0.87 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D D D D L L C C C C S S S S Tstms S S Obvis PF PF PF PF PF PF PF PF PF Date 05/17 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 Tue 05/21/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 60 70 59 69 59 74 60 76 Temp 71 69 62 62 67 66 61 61 67 67 61 62 71 70 61 65 74 72 Dewpt 59 58 58 57 60 59 58 58 59 58 57 57 58 59 58 58 60 60 PWind dir E SE E E NE NE NE E W Wind char LT LT GN GN GN GN GN GN GN Avg clouds SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 5 30 50 50 40 20 20 20 20 Rain shwrs S C C C C C C C S S S S Tstms S $$