Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
103 FOUS51 KLWX 120240 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1040 PM EDT Sat May 11 2024 VAZ054-120800- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1040 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 53 77 61 Temp 56 54 53 55 63 66 67 64 58 55 53 56 66 75 77 72 66 63 62 64 Dewpt 49 50 50 50 47 45 46 46 48 49 49 51 51 51 51 52 53 54 55 57 RH 77 86 89 83 56 47 47 52 69 80 86 83 58 43 40 49 63 72 78 78 Wind dir S S SW W NW NW N NE E SE SE S S S S S S S S S Wind spd 10 9 6 8 13 14 13 12 8 5 4 8 11 12 14 12 10 9 10 9 Clouds B2 B2 B2 B1 B1 B1 SC SC FW FW SC SC FW SC SC SC SC B1 B1 OV PoP 12hr 60 20 5 0 20 QPF 12hr 0.12 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S S L Tstms S 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 76 65 77 62 77 61 77 63 76 Temp 73 69 67 67 75 72 64 64 75 72 63 63 75 72 65 65 74 72 Dewpt 59 60 63 63 63 60 58 55 55 54 55 57 59 59 60 61 60 59 PWind dir S SE N N N SE SE SE NW Wind char BZ GN GN GN GN LT GN GN GN Avg clouds B2 OV OV OV B2 B1 B1 SC 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 $$ MDZ013-120800- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1040 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 66 50 75 59 Temp 55 53 51 53 61 63 64 62 55 52 50 54 64 73 75 69 63 61 59 62 Dewpt 49 50 50 51 49 48 48 50 50 50 49 52 53 52 53 54 54 54 55 57 RH 80 89 96 93 65 58 56 65 83 93 96 93 67 48 46 59 72 78 87 84 Wind dir SE S S W NW NW N NE E SE S S S S S S S S S S Wind spd 6 6 4 5 9 9 8 5 5 4 3 5 6 9 10 10 9 6 5 10 Clouds B2 OV B2 B1 B1 B1 SC SC FW SC SC B1 SC SC FW SC SC SC B1 OV PoP 12hr 70 50 5 0 20 QPF 12hr 0.13 0.13 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C S S L Tstms S Coast Flood Y Y Y Y Y Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 63 74 60 76 58 75 60 73 Temp 72 68 65 65 73 70 62 61 74 72 60 61 75 69 62 62 72 71 Dewpt 59 62 63 64 63 60 57 55 55 56 55 56 59 59 60 61 61 60 PWind dir S SE N N N E SE SE NE Wind char BZ GN GN GN GN LT GN GN GN Avg clouds B2 B2 OV OV B2 B1 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 60 80 70 30 20 10 30 50 40 Rain shwrs L L D D L L C C S S C C C C C C Tstms S C C S C C S S S S $$ MDZ011-120800- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1040 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 71 56 79 64 Temp 60 57 56 58 65 68 69 65 61 57 56 60 69 77 79 72 69 65 65 67 Dewpt 48 49 50 49 48 47 47 48 49 49 49 50 51 51 51 53 54 54 55 56 RH 64 75 80 72 54 47 45 54 65 75 77 69 53 40 38 51 59 68 70 68 Wind dir S SE S W NW N N E E SE SE S S S S S S S S S Wind spd 10 8 5 5 8 9 8 5 4 3 3 4 6 10 10 9 9 6 5 10 Clouds B2 OV B2 B1 B1 B1 B1 SC FW SC B1 B1 SC SC FW SC SC SC B1 B2 PoP 12hr 70 60 5 0 20 QPF 12hr 0.13 0.16 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C 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 81 69 79 65 81 64 80 66 79 Temp 77 71 70 71 77 72 67 67 79 74 66 67 78 73 68 68 77 73 Dewpt 58 60 62 63 61 60 57 55 54 54 55 55 58 58 59 59 60 59 PWind dir S SE NE N N NE SE SE NE Wind char GN GN GN GN GN LT GN GN GN Avg clouds B2 B2 OV OV B2 B1 B1 SC 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 $$ WVZ052-120800- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1040 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 65 44 75 56 Temp 52 48 46 50 57 61 64 62 52 47 45 50 64 73 75 70 62 58 57 61 Dewpt 47 46 44 46 45 44 43 44 44 43 42 46 49 50 50 50 50 50 51 54 RH 83 93 93 86 64 53 46 52 74 86 89 86 58 44 41 49 65 75 80 78 Wind dir S SW SW W NW NW NW NW W S S S S S S S S S S S Wind spd 4 5 5 8 12 13 11 5 3 3 2 5 8 9 11 10 8 5 5 8 Clouds B2 B1 B1 SC B1 B1 SC FW FW SC SC SC FW SC SC SC SC B1 B2 OV PoP 12hr 80 20 5 10 40 QPF 12hr 0.05 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S S S C C L Tstms S S Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 60 72 55 74 55 74 57 73 Temp 70 67 62 62 70 69 57 58 71 70 57 58 72 70 60 59 71 71 Dewpt 57 58 59 60 60 57 54 53 53 54 52 55 58 57 57 58 58 57 PWind dir S SE N N N E SE S N Wind char BZ GN GN GN GN LT GN GN GN Avg clouds B2 B2 B2 OV B2 B1 B1 SC SC SC SC B1 B2 B2 B1 B2 B2 B1 PoP 12hr 70 70 70 30 20 20 40 50 40 Rain shwrs L L L L L L C C S S S S C C C C C C Tstms C C C C C C S S S S $$ VAZ506-120800- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1040 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 48 77 59 Temp 54 52 49 53 62 64 66 63 55 51 49 54 66 75 77 72 65 61 60 63 Dewpt 51 50 49 50 48 46 46 48 49 48 48 50 51 51 52 53 53 54 55 57 RH 90 93100 89 60 52 48 58 80 89 96 86 58 43 42 51 65 78 84 81 Wind dir SE S SW W NW NW NW N N SE N S S S S S S S S S Wind spd 5 5 4 6 10 12 10 4 0 2 0 4 6 10 10 8 9 6 5 11 Clouds B2 B2 B1 SC B1 B1 SC FW FW FW SC SC FW SC SC SC SC B1 B1 OV PoP 12hr 60 20 5 5 30 QPF 12hr 0.06 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S S C C L Tstms S 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 74 63 74 58 75 57 76 60 75 Temp 72 68 65 65 73 70 61 60 73 72 60 61 74 72 63 62 73 72 Dewpt 60 61 63 63 63 60 57 56 55 57 55 57 61 61 60 61 60 60 PWind dir S SE N N N SE SE S NW Wind char BZ GN GN GN GN LT GN GN GN Avg clouds OV B2 OV OV B2 B1 B1 SC 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 $$ VAZ037-120800- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1040 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 74 49 79 60 Temp 57 52 49 54 66 72 74 67 58 52 50 56 70 77 79 72 67 62 62 63 Dewpt 48 47 44 46 42 39 39 41 42 42 41 44 47 48 47 49 49 51 53 55 RH 72 83 83 74 42 30 28 39 55 69 71 64 44 36 32 44 52 67 72 75 Wind dir SW SW W W NW NW N N N W W S S S S S S S S S Wind spd 3 3 4 5 11 12 10 5 2 2 2 4 5 10 10 8 5 5 5 13 Clouds SC SC FW FW SC SC FW FW CL FW FW FW FW FW SC B1 B1 B1 B2 B2 PoP 12hr 20 0 0 5 50 QPF 12hr 0.01 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C D Tstms Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 64 78 61 79 60 79 62 79 Temp 71 69 66 66 77 71 63 63 77 72 62 63 76 73 64 66 77 74 Dewpt 58 58 60 60 60 57 56 55 53 55 55 55 58 58 58 57 58 58 PWind dir S S NW NW N NE S S NW Wind char GN LT GN LT GN LT GN GN GN Avg clouds B2 B2 OV B2 B1 B1 B1 SC SC SC SC B1 B2 B1 B2 B1 B1 SC PoP 12hr 80 80 80 30 20 20 50 50 50 Rain shwrs D D D D D D C C S S S S C C C C C C Tstms S C C S C C S S S S C $$ MDZ003-120800- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1040 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 47 75 57 Temp 52 49 47 50 58 61 64 61 53 49 47 52 65 73 75 70 64 59 59 61 Dewpt 49 49 47 48 47 47 46 47 46 45 46 48 51 53 52 53 52 52 53 56 RH 89100100 93 67 60 52 60 77 86 96 86 60 49 45 55 65 78 80 84 Wind dir S S SW W NW NW N N N S S S S S S S S S S S Wind spd 6 6 5 8 11 11 10 5 0 3 3 5 9 10 12 12 10 10 8 11 Clouds B2 B1 B1 B1 B1 B1 SC SC FW FW SC B1 FW SC SC SC SC B1 B2 OV PoP 12hr 80 40 5 10 40 QPF 12hr 0.13 0.01 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C C C C L Tstms S 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 73 61 72 56 74 56 74 59 73 Temp 70 67 63 63 71 68 58 58 72 70 58 60 73 70 61 61 71 71 Dewpt 59 60 60 61 61 58 55 54 54 56 53 55 59 59 59 59 60 59 PWind dir S SE N N N E SE SE N Wind char BZ GN GN GN GN LT GN GN GN Avg clouds B2 B2 B2 OV B2 B1 SC SC SC SC 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 $$ MDZ017-120800- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1040 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 70 54 74 62 Temp 57 56 54 57 66 68 69 64 58 56 55 59 67 72 73 67 64 64 63 65 Dewpt 49 51 51 52 50 48 48 50 51 51 51 54 54 54 54 55 55 56 56 59 RH 75 83 90 83 56 49 47 60 77 83 86 83 63 53 51 65 73 75 78 81 Wind dir SE S SW W NW NW N N E E SE S S S S S S S S S Wind spd 11 9 8 6 10 11 10 6 5 5 4 4 8 11 12 12 11 10 9 11 Clouds B1 B1 B1 B1 B1 B1 SC FW FW FW SC SC FW SC FW SC SC SC B1 B2 PoP 12hr 40 30 0 0 20 QPF 12hr 0.04 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S C S S S L Tstms S Coast Flood Y Y Y Y Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 65 77 62 76 61 76 62 75 Temp 74 68 66 67 76 70 64 64 74 70 63 64 76 69 64 65 73 71 Dewpt 60 62 63 64 64 63 59 58 57 58 56 57 61 60 60 61 62 61 PWind dir S S NW N N SE SE S NW Wind char BZ GN GN GN GN GN GN BZ GN Avg clouds B2 B2 OV B2 B2 B1 B1 B1 SC SC SC SC B1 B2 B2 B2 B2 B1 PoP 12hr 60 80 80 30 20 10 30 50 40 Rain shwrs L L D D D D C C S S C C C C C C Tstms S C C C C S S S S $$ WVZ502-120800- Petersburg WV 38.99N 79.15W Elev. 963 ft 1040 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 45 80 56 Temp 51 48 46 49 58 65 67 62 52 47 45 51 69 78 79 73 64 60 58 58 Dewpt 46 44 42 44 42 42 43 44 43 42 41 44 47 49 50 50 50 51 53 55 RH 83 86 86 83 55 43 42 52 71 83 86 77 45 36 36 44 60 72 83 90 Wind dir S SW SW E NW NW NW N SW SW SW SW S S S S S S S S Wind spd 4 5 6 9 12 12 11 6 2 3 3 4 4 6 9 8 6 5 5 10 Clouds SC SC B1 SC SC SC FW FW FW SC FW FW FW SC SC B1 B1 B2 B2 B2 PoP 12hr 10 5 0 10 50 QPF 12hr 0.01 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 76 59 74 56 77 55 79 58 78 Temp 72 68 61 61 71 68 58 57 75 71 58 58 76 71 60 60 75 72 Dewpt 60 60 59 59 61 57 55 54 53 56 54 55 58 59 58 58 60 59 PWind dir S SW NW N N S S SW NW Wind char GN LT GN LT GN LT GN GN GN Avg clouds B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC B1 B1 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 $$ MDZ014-120800- Annapolis MD 38.99N 76.49W Elev. 7 ft 1040 PM EDT Sat May 11 2024 Date 05/11/24 Sun 05/12/24 Mon 05/13/24 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 66 53 72 61 Temp 57 54 54 55 61 62 64 62 57 55 54 57 64 69 72 68 64 63 63 66 Dewpt 49 50 51 51 50 49 49 50 51 51 51 52 54 54 55 55 56 57 57 59 RH 75 86 90 86 67 62 58 65 80 86 90 83 70 59 55 63 75 81 81 78 Wind dir SE S S W NW N N NE E SE SE S S S S S S S S S Wind spd 10 9 6 5 10 10 9 5 5 4 4 4 9 10 11 12 10 9 8 10 Wind gust 19 Clouds B2 OV B2 B1 B1 B1 SC SC FW SC SC B1 SC SC FW SC SC SC B1 B2 PoP 12hr 70 50 0 0 20 QPF 12hr 0.08 0.13 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C C C C S S L Tstms S Coast Flood Y Y Y Y Y Date 05/14 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 65 74 62 75 61 74 62 73 Temp 71 69 67 67 72 70 65 63 72 71 63 63 72 70 64 65 71 70 Dewpt 61 62 63 64 64 61 60 57 58 57 57 57 61 60 61 61 62 60 PWind dir S SE N N N E SE SE NE Wind char BZ GN GN GN GN GN GN GN GN Avg clouds B2 B2 OV B2 B2 B1 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 60 80 80 30 20 10 30 50 40 Rain shwrs L L D D D D C C S S C C C C C C Tstms S C C S C C S S S $$