Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
383 FOUS51 KLWX 120959 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 559 AM EDT Sun May 12 2024 VAZ054-122000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 559 AM EDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 52 77 62 75 Temp 53 61 65 68 65 59 55 53 55 67 74 77 72 66 63 63 64 69 72 74 71 Dewpt 49 46 45 45 45 48 49 48 51 51 50 51 51 53 54 55 57 58 60 60 60 RH 86 58 48 43 48 67 80 83 86 56 43 40 48 63 72 75 78 68 66 62 68 Wind dir W NW NW NW N E E SE S S S S S S S S S S S S S Wind spd 6 14 19 17 9 6 3 3 5 9 12 13 12 10 10 8 9 13 14 16 13 Clouds B2 B1 B1 B1 SC FW SC B1 SC SC FW SC SC FW FW B1 B2 OV OV OV OV PoP 12hr 30 0 0 20 60 QPF 12hr 0.01 0 0 0 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S L L L L D Tstms S S S C Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 75 61 75 61 77 62 77 Temp 67 66 73 71 65 62 74 73 64 62 74 71 64 64 74 72 Dewpt 63 64 63 60 58 56 55 54 56 57 58 57 59 60 60 59 PWind dir SE NE N N E SE SE SW Wind char GN GN GN GN LT GN GN GN Avg clouds OV OV B2 B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 PoP 12hr 80 70 50 20 10 30 50 40 Rain shwrs D L L L C S S S C C C C C Tstms C C C C C S S S C $$ MDZ013-122000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 559 AM EDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 67 50 75 59 74 Temp 52 60 63 67 63 56 53 50 53 64 73 74 69 63 61 60 63 69 72 73 69 Dewpt 50 48 48 48 49 51 50 50 51 53 52 52 54 55 54 54 57 59 60 61 62 RH 93 64 58 50 60 83 89100 93 67 48 46 59 75 78 81 81 70 66 66 78 Wind dir W W NW N NE E E SE S S S S S S S S S S S S S Wind spd 5 11 12 12 6 6 4 3 4 6 9 10 10 8 5 5 6 10 11 12 13 Clouds B2 B2 B2 B2 B1 SC B1 B2 B1 SC SC FW FW FW FW B1 B2 OV OV OV OV PoP 12hr 60 0 0 10 60 QPF 12hr 0.09 0 0 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L L L D Tstms S S S S C Coast Flood W W W Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 73 59 75 58 76 60 75 Temp 65 65 71 69 61 61 73 72 60 61 74 70 62 62 72 70 Dewpt 63 64 63 62 58 57 55 56 56 57 58 58 59 60 61 59 PWind dir SE NE N N NE SE SE S Wind char GN GN GN GN LT GN GN GN Avg clouds OV OV B2 B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 80 70 40 20 10 20 50 40 Rain shwrs D L L L C S S S S C C C C Tstms C C S C C S S S C $$ MDZ011-122000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 559 AM EDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 56 80 65 79 Temp 54 64 67 71 66 61 58 58 57 69 77 80 74 69 66 66 65 73 75 77 74 Dewpt 49 46 47 46 48 49 49 50 51 51 50 51 52 54 54 55 56 57 58 60 60 RH 83 52 49 41 52 65 72 75 80 53 39 36 46 59 65 68 73 57 55 56 62 Wind dir W W NW N NE E E SE S S S S S S S S S S S S S Wind spd 5 11 11 10 6 6 3 3 4 6 10 11 9 8 5 5 5 10 11 12 13 Clouds B2 B2 B2 B2 SC B1 B1 B2 B1 SC SC FW SC FW FW SC B2 OV OV OV OV PoP 12hr 60 0 0 10 60 QPF 12hr 0.11 0 0 0 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L L L D Tstms S C S S C Heat index 80 Max heat 80 Coast Flood Y Y Y Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 78 63 80 63 81 64 80 Temp 69 67 75 74 68 63 77 76 67 63 77 75 66 64 76 75 Dewpt 63 62 62 60 57 55 55 54 55 55 57 57 58 59 60 58 PWind dir SE NE N N NE SE SE S Wind char GN GN GN GN LT GN GN GN Avg clouds OV OV B2 B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 80 70 40 20 10 20 50 40 Rain shwrs D L L L C S S S S C C C C Tstms C C S C C S S C $$ WVZ052-122000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 559 AM EDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 64 44 75 55 71 Temp 50 59 62 64 61 52 47 44 50 65 73 75 70 62 57 57 59 64 69 70 67 Dewpt 45 44 44 43 44 43 43 42 46 48 49 49 49 48 49 49 53 56 58 59 59 RH 83 57 52 46 53 71 86 93 86 54 43 40 47 60 75 75 80 75 68 68 75 Wind dir W NW NW NW NW W SW S S S S S S S S S S S S S S Wind spd 6 16 16 14 6 4 2 2 4 9 10 12 10 6 5 4 5 9 10 12 13 Clouds B1 B2 B1 SC SC FW FW FW FW CL FW FW SC FW SC B1 B2 OV OV OV OV PoP 12hr 20 0 5 30 80 QPF 12hr 0 0 0 0.01 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L D D L Tstms C C C Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 60 70 55 72 54 74 57 73 Temp 62 62 68 66 58 58 70 68 57 59 72 69 59 61 71 70 Dewpt 60 60 61 58 55 54 53 54 52 55 58 57 57 58 58 57 PWind dir SE NE N N E SE SE SW Wind char GN GN GN GN LT GN GN GN Avg clouds OV OV B2 B2 B1 B1 SC SC SC B1 B2 B2 B2 B2 B1 B1 PoP 12hr 70 70 40 20 10 40 50 50 Rain shwrs L C L L C S S S S C C C C C Tstms C C C C C S C S C $$ VAZ506-122000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 559 AM EDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 67 47 76 59 72 Temp 52 62 65 67 63 55 49 47 52 67 75 76 72 65 61 60 62 67 70 71 69 Dewpt 49 47 46 46 48 48 48 47 50 51 51 52 52 53 53 54 57 60 61 62 62 RH 89 58 50 47 58 77 96100 93 56 43 43 49 65 75 81 84 78 73 73 78 Wind dir W NW NW NW N E SW E S S S S S S S S S S S S S Wind spd 5 13 14 14 5 2 1 1 4 8 10 10 9 9 8 6 10 10 13 12 13 Clouds B1 B1 B1 SC SC FW FW SC SC FW FW FW SC FW FW B1 B2 B2 OV OV OV PoP 12hr 20 0 0 30 60 QPF 12hr 0 0 0 0 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L L L D Tstms S C C Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 73 59 75 58 77 60 75 Temp 65 65 71 69 62 61 73 71 60 61 74 71 62 62 73 72 Dewpt 63 64 64 62 59 57 55 56 55 57 59 59 59 61 61 60 PWind dir SE N N N E SE SE SW Wind char GN GN GN GN LT GN GN GN Avg clouds OV OV B2 B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 PoP 12hr 80 70 50 20 10 30 50 40 Rain shwrs D L L L C S S S C C C C C Tstms C C C C C S C C $$ VAZ037-122000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 559 AM EDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 49 79 60 73 Temp 54 66 71 74 67 58 52 50 55 70 77 79 73 67 63 62 62 68 70 72 71 Dewpt 45 41 39 38 41 41 42 41 44 46 46 47 48 48 49 52 55 58 59 60 59 RH 71 40 31 27 39 53 69 71 66 42 33 32 41 50 60 70 78 70 68 66 66 Wind dir W NW NW N N N W W SW S S S S S S S S S S S S Wind spd 4 12 13 12 6 3 2 2 3 6 10 10 8 5 5 8 9 9 10 10 10 Clouds FW SC SC FW FW FW FW CL CL FW FW SC FW SC B1 B2 OV OV OV OV OV PoP 12hr 0 0 0 50 70 QPF 12hr 0 0 0 0.02 0.15 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L L D Tstms C S C Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 78 61 78 59 78 62 81 Temp 66 65 75 72 65 62 75 73 62 62 74 73 65 64 78 76 Dewpt 60 60 61 59 57 56 54 55 54 55 58 58 58 59 58 58 PWind dir SW N N N NE S S SW Wind char LT LT LT GN LT GN GN GN Avg clouds OV OV B2 B2 B1 SC SC FW SC B1 B2 B2 B2 B2 B1 SC PoP 12hr 80 80 50 20 10 40 50 40 Rain shwrs D C L D C S S C C C C C Tstms C C C C C S S C C $$ MDZ003-122000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 559 AM EDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 65 46 75 57 71 Temp 50 57 61 63 61 53 50 47 51 65 73 75 70 63 59 59 60 66 69 70 68 Dewpt 47 47 47 46 47 46 45 46 49 51 52 52 52 51 52 52 55 58 60 60 60 RH 89 69 60 54 60 77 83 96 93 60 48 45 53 65 78 78 84 75 73 71 76 Wind dir W NW NW NW NW E S S S S S S S S S S S S S S S Wind spd 5 14 14 12 8 2 2 3 5 10 11 12 12 10 9 9 8 11 11 13 18 Clouds B2 B2 B2 B1 SC FW SC FW FW FW FW FW SC SC SC B1 B2 OV OV OV OV PoP 12hr 40 0 5 30 80 QPF 12hr 0 0 0 0 0.19 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L L D D L Tstms S S S C C Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 70 56 74 56 76 59 73 Temp 63 63 69 67 58 58 72 70 58 59 73 70 61 62 71 69 Dewpt 61 62 62 59 55 54 54 55 53 55 59 59 59 59 60 59 PWind dir SE NE N N E SE SE SW Wind char GN GN GN GN LT GN GN GN Avg clouds OV OV B2 B2 B2 SC SC FW SC B1 B2 B2 B2 B2 B2 B1 PoP 12hr 70 70 40 20 10 40 50 50 Rain shwrs L L L L C S S S S C C C C C Tstms C C C C C S S S C $$ MDZ017-122000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 559 AM EDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 54 73 62 76 Temp 57 66 69 68 62 58 56 55 58 67 72 72 67 64 64 64 66 71 74 75 70 Dewpt 51 48 47 48 50 51 51 51 54 53 53 53 55 56 56 56 58 60 61 60 62 RH 80 52 45 49 65 77 83 86 86 61 51 51 65 75 75 75 75 68 64 60 76 Wind dir W NW NW NW N E E SE S S S SE S S S S S S S S S Wind spd 8 12 13 14 8 8 4 4 5 8 11 12 12 11 10 10 9 12 13 13 17 Clouds B1 B1 B2 B1 SC FW FW SC SC FW SC FW FW FW FW SC B1 B2 OV OV OV PoP 12hr 30 0 0 10 60 QPF 12hr 0.03 0 0 0 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L D Tstms S S Coast Flood W Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 75 62 75 61 76 62 78 Temp 66 66 75 68 64 64 73 70 63 63 74 69 64 66 76 71 Dewpt 63 64 64 62 60 59 58 58 57 57 59 58 59 62 63 61 PWind dir S NE N N E SE SE SE Wind char GN GN GN GN GN GN GN GN Avg clouds OV OV B2 B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 80 70 40 20 10 20 50 30 Rain shwrs D L L L C S S S C C C C Tstms C C C C C S S C $$ WVZ502-122000- Petersburg WV 38.99N 79.15W Elev. 963 ft 559 AM EDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 67 44 80 57 75 Temp 50 59 64 66 62 52 47 45 51 70 78 80 72 64 60 59 59 66 72 74 69 Dewpt 42 42 42 42 42 42 41 41 44 46 46 48 49 50 50 52 55 58 61 61 61 RH 74 53 45 42 48 69 79 86 77 42 32 33 44 60 69 78 87 75 68 64 76 Wind dir SE NW NW NW N SW S S S S S S S S S S S S S S S Wind spd 6 16 13 12 8 3 2 3 4 5 6 10 9 6 5 5 6 6 8 9 9 Clouds B1 SC SC SC SC CL FW CL CL FW FW SC SC SC B1 B2 B2 OV OV OV OV PoP 12hr 0 0 5 50 80 QPF 12hr 0 0 0 0.03 0.20 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D L Tstms C C C Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 73 55 78 55 78 59 78 Temp 61 61 70 67 58 57 74 71 57 59 74 71 61 62 75 72 Dewpt 60 59 61 59 57 55 55 56 54 56 60 59 59 58 60 59 PWind dir S N N N S S S W Wind char LT LT GN GN LT GN GN GN Avg clouds OV OV B2 B2 B1 B1 SC FW SC B1 B2 B1 B2 B1 B1 SC PoP 12hr 70 80 40 20 10 50 50 50 Rain shwrs L C L D C S S S C C C C C Tstms C C C C C S S C S C $$ MDZ014-122000- Annapolis MD 38.99N 76.49W Elev. 7 ft 559 AM EDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 67 53 72 62 74 Temp 56 61 63 65 63 58 55 54 55 62 68 71 67 64 64 64 64 68 71 73 70 Dewpt 50 48 49 49 50 51 51 51 52 53 54 54 55 56 57 57 58 60 61 62 62 RH 80 62 60 56 62 77 86 90 90 72 61 55 65 75 78 78 81 76 71 68 76 Wind dir W NW NW N NE E SE SE S S S S S S S S S S S S S Wind spd 6 10 13 11 6 6 4 4 5 9 11 12 12 11 9 8 8 10 11 13 18 Clouds B2 B1 B2 B2 B1 SC SC B1 B1 SC SC FW FW FW FW SC B2 OV OV OV OV PoP 12hr 60 0 0 10 60 QPF 12hr 0.10 0 0 0 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C L L D Tstms S S S C Coast Flood W W W Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 73 61 73 61 74 62 74 Temp 66 66 71 70 65 61 70 71 63 62 71 70 64 63 71 71 Dewpt 64 64 64 62 60 57 57 57 57 57 60 58 59 61 62 60 PWind dir SE NE N N E SE SE SE Wind char GN GN GN GN GN GN GN GN Avg clouds OV OV B2 B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 80 70 40 20 10 20 50 40 Rain shwrs D L L L C S S S S C C C C Tstms C C S C C S S C $$