Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
351 FOUS51 KLWX 131441 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1041 AM EDT Mon May 13 2024 VAZ054-132000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1041 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 78 62 71 64 73 Temp 67 75 78 73 66 63 63 64 67 68 68 66 66 65 64 65 68 71 71 67 Dewpt 50 48 49 51 52 53 54 57 58 59 61 60 61 62 63 62 62 62 62 60 RH 54 38 36 46 61 70 72 78 73 73 78 81 84 90 97 90 81 73 73 78 Wind dir S S S S S S S S S S S SE SE SE E NE NE NE NE NE Wind spd 9 10 12 10 9 8 8 8 11 13 13 10 8 6 5 6 8 9 10 9 Clouds FW FW SC SC SC SC B1 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 PoP 12hr 0 20 70 90 70 QPF 12hr 0 0 0.26 0.42 0.16 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D L L L L L L C Tstms S S S S C C S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 62 77 62 78 64 75 62 79 Temp 63 62 74 73 64 64 75 71 65 65 73 71 64 64 77 74 Dewpt 59 58 57 57 58 59 60 59 59 61 61 60 59 59 58 59 PWind dir N N E S SE S N N Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC B1 B1 SC PoP 12hr 40 20 10 30 50 50 30 30 Rain shwrs C S S S C C C C C C S S C Tstms S S C C S C C S $$ MDZ013-132000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1041 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 58 72 62 70 Temp 65 74 77 69 62 59 58 62 68 69 68 66 64 63 62 63 66 69 69 67 Dewpt 52 49 50 52 55 54 54 57 59 59 60 61 62 62 62 62 63 62 62 61 RH 63 41 39 55 78 83 86 84 73 70 76 84 93 97100 97 90 78 78 81 Wind dir S S S S S S S S S S S S SE SE E NE NE NE NE NE Wind spd 5 8 10 10 8 5 5 6 10 12 12 10 8 5 5 5 9 10 10 9 Clouds SC FW FW SC SC SC SC B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 0 10 70 90 70 QPF 12hr 0 0 0.22 0.40 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D D D L L L L C Tstms S S S S Coast Flood Y Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 76 59 77 60 74 59 77 Temp 60 61 75 72 61 62 75 70 62 61 71 69 61 62 75 72 Dewpt 58 58 58 58 58 58 60 60 59 61 61 60 59 59 59 60 PWind dir N N SE SE SE SE N NW Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 30 20 10 30 60 50 30 30 Rain shwrs C S S S C C L C C C S S C Tstms S C S C C S $$ MDZ011-132000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1041 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 79 64 73 66 73 Temp 67 76 78 72 67 65 64 64 71 71 70 67 68 67 67 66 70 71 72 68 Dewpt 51 49 50 51 53 53 53 55 57 59 59 60 61 62 62 61 61 61 61 59 RH 56 39 37 48 61 65 67 73 61 66 68 78 78 84 84 84 73 71 68 73 Wind dir S S S S S S S S S S S SE SE SE E E NE NE NE NE Wind spd 5 8 11 10 8 4 4 6 9 10 11 9 8 6 6 6 9 9 10 9 Clouds SC FW FW SC SC SC SC B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 0 5 70 90 70 QPF 12hr 0 0 0.21 0.41 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D D D L L L L C Tstms S S S S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 62 80 65 81 65 79 65 82 Temp 64 63 77 76 67 65 78 74 68 65 75 74 68 65 79 77 Dewpt 58 57 56 57 56 57 58 58 58 59 59 59 58 58 58 59 PWind dir N N SE SE SE E N NW Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 30 20 10 30 60 50 30 30 Rain shwrs C S S S C C L C C C S S C Tstms S C S C C S $$ WVZ052-132000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1041 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 55 70 59 70 Temp 67 75 77 70 62 57 55 59 63 66 67 64 62 61 59 61 64 68 68 65 Dewpt 48 48 49 49 47 48 49 53 57 59 59 58 59 59 59 60 60 60 59 58 RH 50 38 37 47 58 72 80 80 81 78 75 81 90 93100 97 87 76 73 78 Wind dir S S S S S S S S S S S SE SE SE E NE NE NE NE N Wind spd 8 9 11 9 5 4 4 5 9 12 11 9 5 4 2 4 5 6 8 8 Clouds CL FW FW SC SC B1 SC OV OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 0 30 80 80 80 QPF 12hr 0 0 0.15 0.26 0.26 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D D D D D D D D D C Tstms C C S S S S C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 74 55 75 58 72 56 77 Temp 58 58 72 69 58 60 73 68 60 61 70 68 58 62 75 72 Dewpt 57 56 56 56 55 57 59 59 58 58 59 57 56 56 58 58 PWind dir N N SE S SE SW NW NW Wind char LT GN LT GN GN GN GN GN Avg clouds B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 SC B1 SC SC PoP 12hr 50 30 10 50 60 50 30 40 Rain shwrs C S C C C C L C C C C S C C Tstms S C C S C C S $$ VAZ506-132000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1041 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 78 59 70 62 70 Temp 69 76 78 73 64 61 59 61 66 67 68 66 65 64 62 62 66 69 69 67 Dewpt 49 48 49 51 52 52 54 57 60 60 61 61 62 62 62 62 63 62 63 61 RH 49 37 36 46 65 72 83 87 81 78 78 84 90 93100100 90 78 81 81 Wind dir S S S S S S S S S S S SE SE SE E NE NE NE NE N Wind spd 9 9 11 8 8 6 6 8 11 12 12 9 5 4 1 3 6 9 9 8 Clouds FW FW FW B1 SC SC B1 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 PoP 12hr 0 30 80 90 70 QPF 12hr 0 0 0.16 0.40 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D D D L L L L L L C Tstms S S S S C C S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 59 77 61 74 59 77 Temp 61 62 74 72 61 62 75 71 63 63 73 70 62 63 75 73 Dewpt 60 59 58 59 58 60 61 61 60 62 61 61 59 59 59 62 PWind dir N N SE S SE SW N N Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC B1 B1 SC PoP 12hr 40 30 10 40 60 50 30 30 Rain shwrs C S S C S C L C C C C S S C Tstms S S C C S C C S $$ VAZ037-132000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1041 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 60 69 63 76 Temp 70 77 79 73 66 62 61 62 63 65 66 65 65 64 64 64 70 74 73 68 Dewpt 47 47 46 48 48 50 52 56 59 59 59 59 60 60 60 59 61 61 61 59 RH 44 35 31 41 52 65 72 81 87 81 78 81 84 87 87 84 73 64 66 73 Wind dir S S S S S S S S S S SE SE SE E N N NW NE NE N Wind spd 8 9 10 8 5 5 5 6 9 10 8 6 4 3 3 3 4 5 6 6 Clouds FW FW SC SC B2 B1 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 PoP 12hr 0 60 90 80 90 QPF 12hr 0 0.06 0.40 0.51 0.36 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L D D D D L L L L D D L Tstms S S S S S S C C S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 79 61 80 63 80 61 82 Temp 64 62 76 74 65 62 78 73 66 64 77 75 64 62 80 76 Dewpt 58 57 57 57 57 58 59 59 59 59 60 58 55 56 56 57 PWind dir N NE W S S SW NW NW Wind char LT LT LT GN LT GN LT GN Avg clouds B2 B1 SC SC SC B1 B2 B2 B2 B2 B1 SC SC SC SC SC PoP 12hr 60 30 10 50 60 50 30 40 Rain shwrs L S C C S C L C C C C S C Tstms S C C C C C S $$ MDZ003-132000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1041 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 77 56 69 61 70 Temp 66 74 76 71 64 59 57 61 64 66 67 65 63 62 61 62 65 69 69 65 Dewpt 49 50 50 51 50 50 51 54 59 60 60 60 61 61 61 61 62 62 61 60 RH 54 43 40 49 60 72 80 78 84 81 78 84 93 97100 97 90 78 76 84 Wind dir S S S S S S S S S S S S SE SE E NE NE NE NE NE Wind spd 8 9 11 10 10 9 6 8 10 13 13 11 9 5 4 5 6 8 8 9 Clouds CL FW FW SC FW SC SC B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 0 20 80 80 80 QPF 12hr 0 0 0.14 0.21 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D D D D L L D D L L C Tstms S S S S C C Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 57 76 59 72 58 77 Temp 59 59 73 70 59 61 74 69 61 61 71 69 61 62 75 72 Dewpt 58 57 58 57 55 58 61 61 59 59 60 60 57 58 59 60 PWind dir N N SE S SE E N NW Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B1 SC SC FW B1 B2 B2 B2 B2 B2 B1 SC B1 B1 SC PoP 12hr 40 30 10 50 60 50 30 40 Rain shwrs C C S C C L C C C C S C C Tstms S C C S C C S $$ MDZ017-132000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1041 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 63 73 63 74 Temp 67 72 73 69 65 64 63 67 70 72 71 67 66 65 63 65 70 73 72 67 Dewpt 53 54 54 55 55 55 55 57 59 60 61 62 62 62 62 63 64 63 62 61 RH 61 53 51 61 70 73 75 70 68 66 71 84 87 90 97 93 81 71 71 81 Wind dir S SE SE S S S S S S S S S S SE SE NE N N N N Wind spd 6 11 13 13 12 11 10 9 10 11 13 13 12 10 6 6 10 10 10 9 Clouds SC SC SC SC SC SC B1 B2 B2 OV OV OV OV OV OV B2 B2 B2 B1 B2 PoP 12hr 0 5 70 90 70 QPF 12hr 0 0 0.21 0.52 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D D D D L L L L C Tstms S S S S S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 75 61 77 63 76 61 77 Temp 62 63 73 70 62 64 75 69 65 65 74 70 63 64 75 71 Dewpt 59 59 59 59 58 59 60 59 59 62 62 61 59 59 60 60 PWind dir N N SE SE SE SE N N Wind char GN GN GN GN GN GN GN GN Avg clouds B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B1 SC SC SC SC PoP 12hr 40 20 10 20 50 40 30 30 Rain shwrs C S S S S C C C C C S S C Tstms S C S C $$ WVZ502-132000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1041 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 81 57 72 59 72 Temp 70 79 81 74 65 61 58 59 65 69 70 67 64 60 59 60 66 70 70 66 Dewpt 44 43 44 48 49 50 52 56 59 60 61 60 60 59 59 60 61 62 61 59 RH 39 28 27 40 56 67 80 90 81 73 73 78 87 96100100 84 76 73 78 Wind dir S S S S SE S S S S S S SE SE SE SW N N N N N Wind spd 3 5 9 8 4 3 4 4 8 9 8 5 3 2 2 2 3 5 6 6 Clouds FW FW SC SC B1 B1 OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 PoP 12hr 0 60 80 70 80 QPF 12hr 0 0.02 0.09 0.25 0.35 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L D D L L L L D D D D L Tstms C C S S S S C C S Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 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 76 56 80 59 77 57 80 Temp 60 58 73 71 59 60 77 70 61 61 74 71 60 61 77 73 Dewpt 58 57 58 58 55 57 60 60 59 60 60 59 56 57 59 59 PWind dir N N SW S S W W W Wind char LT LT LT GN LT GN GN GN Avg clouds B2 B2 B1 SC SC B1 B1 B1 B2 B2 B1 SC SC SC SC SC PoP 12hr 60 40 10 60 60 60 30 40 Rain shwrs L C C C C L L C C L C S C C Tstms S S S S C C S S S S $$ MDZ014-132000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1041 AM EDT Mon May 13 2024 Date Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 61 71 63 70 Temp 66 70 72 68 64 63 62 64 67 69 69 66 65 65 64 64 66 68 69 66 Dewpt 53 54 54 54 55 56 56 57 59 61 61 61 63 63 63 62 62 63 62 61 RH 63 57 53 61 73 78 81 78 75 76 76 84 93 93 97 93 87 84 78 84 Wind dir S S S S S S S S S S S S SE SE E NE NE NE NE NE Wind spd 8 11 12 14 10 9 8 8 10 11 12 12 10 8 6 5 9 9 10 9 Clouds SC FW FW SC SC SC SC B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 0 5 70 90 70 QPF 12hr 0 0 0.22 0.48 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D D D L L L L C Tstms S S S S Coast Flood Y Date Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 74 61 74 62 73 61 76 Temp 63 61 71 70 63 63 72 70 64 63 70 69 63 64 73 72 Dewpt 60 59 59 59 58 59 61 60 60 61 61 60 59 59 61 60 PWind dir NE N SE SE SE S N N Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 B1 SC SC B1 B2 B1 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 30 20 10 30 50 50 30 30 Rain shwrs C S S C C C C C C S S C Tstms S C S C C S $$