Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
142 FOUS51 KLWX 120354 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1154 PM EDT Sat May 11 2024 VAZ054-120800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1154 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 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 53 69 52 77 62 Temp 54 53 56 63 65 67 63 58 55 53 56 66 73 76 71 66 63 63 64 Dewpt 50 50 50 46 45 45 45 48 49 48 51 51 50 51 51 53 54 55 57 RH 86 89 80 54 48 45 52 69 80 83 83 58 44 42 49 63 72 75 78 Wind dir S SW W NW NW N NE E SE SE S S S S S S S S S Wind spd 9 6 8 13 14 13 12 8 5 4 8 11 12 14 12 10 9 10 9 Clouds B2 B2 B1 B1 B1 SC SC FW FW SC SC FW SC SC SC SC B1 B1 OV PoP 12hr 90 20 5 0 20 QPF 12hr 0.18 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S L Tstms S Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 65 75 61 75 61 77 62 77 Temp 71 70 67 66 72 70 65 63 74 72 64 63 73 70 64 64 73 71 Dewpt 60 60 63 64 63 60 58 56 55 54 56 57 58 57 59 60 60 59 PWind dir S SE NE N N E SE SE SW Wind char BZ GN GN GN GN LT GN GN GN Avg clouds B2 OV OV OV B2 B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 PoP 12hr 70 80 80 30 20 10 40 50 40 Rain shwrs L L D D D D C C S S C C C C C C Tstms S C C C C C S S S S $$ MDZ013-120800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1154 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 67 50 75 59 Temp 53 51 55 61 63 64 61 55 53 52 54 64 72 74 68 63 61 60 63 Dewpt 50 50 51 48 48 48 49 51 50 50 51 53 52 52 54 55 54 54 57 RH 89 96 86 62 58 56 65 86 89 93 90 67 49 46 61 75 78 81 81 Wind dir S S W NW NW N NE E SE S S S S S S S S S S Wind spd 6 4 5 9 9 8 5 5 4 3 5 6 9 10 10 9 6 5 10 Clouds OV B2 B1 B1 B1 SC SC FW SC SC B1 SC SC FW SC SC SC B1 OV PoP 12hr 90 50 5 0 20 QPF 12hr 0.26 0.13 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C S S L Tstms S Coast Flood Y Y Y Y Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 63 73 59 75 58 76 60 75 Temp 71 68 65 65 70 68 62 62 73 71 61 62 73 69 62 62 71 69 Dewpt 60 62 63 64 63 62 58 57 55 56 56 57 58 58 59 60 61 59 PWind dir S SE NE N N NE SE SE S Wind char BZ GN GN GN GN LT GN GN GN Avg clouds B2 B2 OV OV B2 B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 60 80 70 30 20 10 30 50 40 Rain shwrs L L D D L L C C S S C C C C C C Tstms S C C S C C S S S S $$ MDZ011-120800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1154 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 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 56 72 56 80 65 Temp 57 56 58 66 66 68 65 61 58 58 57 69 75 78 74 69 66 66 65 Dewpt 49 50 49 46 47 46 48 49 49 50 51 51 50 51 52 54 54 55 56 RH 75 80 72 48 50 45 54 65 72 75 80 53 41 39 46 59 65 68 73 Wind dir SE S W NW N N E E SE SE S S S S S S S S S Wind spd 8 5 5 8 9 8 5 4 3 3 4 6 10 10 9 9 6 5 10 Clouds OV B2 B1 B1 B1 B1 SC FW SC B1 B1 SC SC FW SC SC SC B1 B2 PoP 12hr 90 60 5 0 20 QPF 12hr 0.22 0.16 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C L C C S S L Tstms S S Coast Flood Y Y Y Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 79 67 78 63 80 63 81 64 80 Temp 74 73 70 67 74 73 68 63 77 75 67 63 76 73 67 64 75 74 Dewpt 58 60 63 62 62 60 57 55 55 54 55 55 57 57 58 59 60 58 PWind dir S SE NE N N NE SE SE S Wind char GN GN GN GN GN LT GN GN GN Avg clouds B2 B2 OV OV B2 B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 70 80 80 30 20 10 30 50 40 Rain shwrs L L D D D D C C S S C C C C C C Tstms S C C S C C S S S $$ WVZ052-120800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1154 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 64 44 75 55 Temp 48 46 51 57 61 64 60 52 47 45 51 65 73 75 68 62 58 57 59 Dewpt 46 44 46 44 44 43 44 43 43 42 46 48 49 49 49 48 49 49 53 RH 93 93 83 62 53 46 55 71 86 89 83 54 43 40 51 60 72 75 80 Wind dir SW SW W NW NW NW NW W S S S S S S S S S S S Wind spd 5 5 8 12 13 11 5 3 3 2 5 8 9 11 10 8 5 5 8 Clouds B1 B1 SC B1 B1 SC FW FW SC SC SC FW SC SC SC SC B1 B2 OV PoP 12hr 10 20 5 10 40 QPF 12hr 0.02 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L Tstms Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 60 70 55 72 54 74 57 73 Temp 69 66 62 63 68 65 59 59 70 67 58 60 71 68 60 61 70 69 Dewpt 58 59 60 60 61 58 55 54 53 54 52 55 58 57 57 58 58 57 PWind dir S SE NE N N E SE SE SW Wind char BZ GN GN GN GN LT GN GN GN Avg clouds B2 B2 B2 OV B2 B2 B1 B1 SC SC SC B1 B2 B2 B2 B2 B1 B1 PoP 12hr 70 70 70 30 20 20 40 50 40 Rain shwrs L L L L L L C C S S S S C C C C C C Tstms C C C C C C S S S S $$ VAZ506-120800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1154 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 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 49 67 47 76 59 Temp 52 49 53 61 64 66 62 55 51 49 53 66 74 76 71 65 61 60 62 Dewpt 50 49 50 47 46 46 48 48 48 48 50 51 51 52 52 53 53 54 57 RH 93100 89 60 52 48 60 77 89 96 89 58 44 43 51 65 75 81 84 Wind dir S SW W NW NW NW N N SE N S S S S S S S S S Wind spd 5 4 6 10 12 10 4 0 2 0 4 6 10 10 8 9 6 5 11 Clouds B2 B1 SC B1 B1 SC FW FW FW SC SC FW SC SC SC SC B1 B1 OV PoP 12hr 90 20 5 5 30 QPF 12hr 0.14 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L Tstms Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 72 63 73 59 75 58 77 60 75 Temp 70 68 66 65 71 68 63 61 72 70 61 62 73 70 63 62 72 71 Dewpt 61 62 63 64 64 62 59 57 55 56 55 57 59 59 59 61 61 60 PWind dir S SE N N N E SE SE SW Wind char BZ GN GN GN GN LT GN GN GN Avg clouds OV B2 OV OV B2 B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 PoP 12hr 70 80 80 30 20 10 40 50 40 Rain shwrs L L D D D D C C S S C C C C C C Tstms S C C C C C S S S S $$ VAZ037-120800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1154 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 74 49 79 60 Temp 52 49 55 66 70 73 66 58 53 51 56 70 76 78 73 67 64 62 62 Dewpt 47 44 45 41 39 38 41 41 42 41 44 46 46 47 48 48 49 52 55 RH 83 83 69 40 32 28 40 53 66 68 64 42 34 33 41 50 58 70 78 Wind dir SW W W NW NW N N N W W S S S S S S S S S Wind spd 3 4 5 11 12 10 5 2 2 2 4 5 10 10 8 5 5 5 13 Clouds SC FW FW SC SC FW FW CL FW FW FW FW FW SC B1 B1 B1 B2 B2 PoP 12hr 20 0 0 5 50 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C D Tstms Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 64 78 61 78 59 78 62 81 Temp 69 70 66 65 74 71 65 63 75 72 63 63 73 72 66 64 77 75 Dewpt 59 59 60 60 61 59 57 56 54 55 54 55 58 58 58 59 58 58 PWind dir S S N N N NE S S SW Wind char GN LT LT LT GN LT GN GN GN Avg clouds B2 B2 OV B2 B2 B2 B1 SC SC FW SC B1 B2 B2 B2 B2 B1 SC PoP 12hr 80 80 80 30 20 20 50 50 50 Rain shwrs D D D D D D C C S S S S C C C C C C Tstms S C C S C C S S S S C $$ MDZ003-120800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1154 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 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 47 65 46 75 57 Temp 49 47 52 58 61 64 60 53 50 48 53 65 72 75 69 63 60 59 60 Dewpt 49 47 48 47 47 46 47 46 45 46 49 51 52 52 52 51 52 52 55 RH 100100 86 67 60 52 62 77 83 93 86 60 49 45 55 65 75 78 84 Wind dir S SW W NW NW N N N S S S S S S S S S S S Wind spd 6 5 8 11 11 10 5 0 3 3 5 9 10 12 12 10 10 8 11 Clouds B1 B1 B1 B1 B1 SC SC FW FW SC B1 FW SC SC SC SC B1 B2 OV PoP 12hr 30 40 5 10 40 QPF 12hr 0.03 0.01 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C L Tstms Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 71 61 70 56 74 56 76 59 73 Temp 68 67 63 63 69 66 59 59 71 69 58 60 72 69 62 62 70 68 Dewpt 60 60 61 62 62 59 55 54 54 55 53 55 59 59 59 59 60 59 PWind dir S SE NE N N E SE SE SW Wind char BZ GN GN GN GN LT GN GN GN Avg clouds B2 B2 B2 OV B2 B2 B2 SC SC FW SC B1 B2 B2 B2 B2 B2 B1 PoP 12hr 70 80 70 30 20 10 40 50 40 Rain shwrs L L D D L L C C S S C C C C C C Tstms S C C S C C S S S $$ MDZ017-120800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1154 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 70 54 73 62 Temp 56 54 58 66 68 68 63 59 56 55 59 67 71 72 67 64 64 64 66 Dewpt 51 51 51 48 47 48 50 51 51 51 54 53 53 53 55 56 56 56 58 RH 83 90 77 52 47 49 62 75 83 86 83 61 53 51 65 75 75 75 75 Wind dir S SW W NW NW N N E E SE S S S S S S S S S Wind spd 9 8 6 10 11 10 6 5 5 4 4 8 11 12 12 11 10 9 11 Clouds B1 B1 B1 B1 B1 SC FW FW FW SC SC FW SC FW SC SC SC B1 B2 PoP 12hr 70 30 0 0 20 QPF 12hr 0.16 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C S S S L Tstms S Coast Flood Y Y Y Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 64 75 62 75 61 76 62 78 Temp 73 69 66 67 74 68 64 64 73 69 63 64 73 68 64 66 75 69 Dewpt 61 62 63 64 64 62 60 59 58 58 57 57 59 58 59 62 63 61 PWind dir S S NE N N E SE SE SE Wind char BZ GN GN GN GN GN GN GN GN Avg clouds B2 B2 OV B2 B2 B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 60 80 80 30 20 10 30 50 40 Rain shwrs L L D D D D C C S S C C C C C C Tstms S C C C C S S S S $$ WVZ502-120800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1154 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue 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 46 67 44 80 57 Temp 48 46 50 58 64 67 61 52 48 46 53 69 78 78 71 64 61 59 59 Dewpt 44 42 43 42 42 42 42 42 41 41 44 46 46 48 49 50 50 52 55 RH 86 86 77 55 45 40 49 69 77 83 71 44 32 35 46 60 67 78 87 Wind dir SW SW E NW NW NW N SW SW SW SW S S S S S S S S Wind spd 5 6 9 12 12 11 6 2 3 3 4 4 6 9 8 6 5 5 10 Clouds SC B1 SC SC SC FW FW FW SC FW FW FW SC SC B1 B1 B2 B2 B2 PoP 12hr 5 5 0 10 50 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C D Tstms Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 59 73 55 78 55 78 59 78 Temp 71 68 62 61 69 66 59 58 73 69 58 60 73 69 62 62 74 71 Dewpt 61 61 60 59 61 59 57 55 55 56 54 56 60 59 59 58 60 59 PWind dir S SW N N N S S S W Wind char GN LT LT GN GN LT GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 B1 B1 SC FW SC B1 B2 B1 B2 B1 B1 SC PoP 12hr 80 60 80 30 20 20 50 40 50 Rain shwrs D D L L D D C C S S S S C C C C C C Tstms S C C C C C C S S S S S S C $$ MDZ014-120800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1154 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 67 53 72 62 Temp 54 54 56 61 63 64 62 57 55 55 56 64 69 70 68 64 64 64 64 Dewpt 50 51 51 48 49 49 50 51 51 51 52 53 54 54 55 56 57 57 58 RH 86 90 83 62 60 58 65 80 86 86 86 67 59 57 63 75 78 78 81 Wind dir S S W NW N N NE E SE SE S S S S S S S S S Wind spd 9 6 5 10 10 9 5 5 4 4 4 9 10 11 12 10 9 8 10 Wind gust 19 Clouds OV B2 B1 B1 B1 SC SC FW SC SC B1 SC SC FW SC SC SC B1 B2 PoP 12hr 100 50 0 0 20 QPF 12hr 0.31 0.13 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S C C C C S S L Tstms S Coast Flood Y Y Y Y Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 64 73 61 73 61 74 62 74 Temp 70 69 67 66 70 69 65 62 70 70 63 63 70 69 64 63 70 70 Dewpt 61 62 64 64 64 62 60 57 57 57 57 57 60 58 59 61 62 60 PWind dir S SE NE N N E SE SE SE Wind char BZ GN GN GN GN GN GN GN GN Avg clouds B2 B2 OV B2 B2 B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 60 80 80 30 20 10 30 50 40 Rain shwrs L L D D D D C C S S C C C C C C Tstms S C C S C C S S S $$