Point Forecast Matrices
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
669 FOUS51 KLWX 091446 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1045 AM EDT Thu May 9 2024 VAZ054-092000- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1045 AM EDT Thu May 9 2024 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 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 58 62 51 66 Temp 71 70 68 66 62 60 60 60 59 60 59 58 55 54 52 53 58 63 64 60 Dewpt 57 57 56 56 55 56 55 54 53 52 51 48 48 47 47 47 47 46 46 47 RH 61 63 65 70 78 87 84 81 80 75 75 69 77 77 83 80 67 54 52 62 Wind dir NE NE NE NE E NE E NE E E NE NE NE N N N N N S SE Wind spd 8 9 12 12 9 5 5 8 10 10 12 10 9 5 5 5 5 5 9 8 Clouds OV OV OV B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B2 PoP 12hr 60 60 60 50 40 QPF 12hr 0.03 0.10 0.31 0.10 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C L C C C C C L L C C S S C C L Tstms S S S S S Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 53 68 52 76 60 78 63 76 Temp 55 55 66 64 54 55 74 71 62 63 76 73 66 64 73 72 Dewpt 49 50 46 46 47 49 49 51 53 55 57 58 60 61 61 60 PWind dir S NW W S S S SE SE Wind char LT GN LT GN GN GN GN GN Avg clouds B2 B2 SC SC FW FW SC SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 60 40 5 5 10 30 60 60 Rain shwrs L L C C C L L C L Tstms S C S S S S $$ MDZ013-092000- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1045 AM EDT Thu May 9 2024 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 54 59 48 65 Temp 68 67 65 63 60 58 57 57 57 57 56 55 52 51 49 51 57 62 63 59 Dewpt 54 56 56 56 56 55 54 54 53 51 50 49 48 47 46 47 47 46 46 49 RH 61 68 73 78 87 90 90 90 86 80 80 80 86 86 89 86 69 56 54 69 Wind dir NE NE NE E E E E E E E NE NE NE NE N N N SE S SE Wind spd 6 8 10 10 8 6 6 8 10 10 9 6 5 5 4 5 4 5 5 5 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B2 PoP 12hr 50 70 70 40 30 QPF 12hr 0.03 0.15 0.33 0.10 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L L L L L L L C C S S C C L Tstms S S S Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 66 48 74 58 77 60 73 Temp 53 54 64 63 51 54 72 69 60 62 76 70 62 63 73 70 Dewpt 50 50 48 48 47 49 50 52 54 56 57 58 60 61 62 61 PWind dir S NW NW S S S SE SE Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 SC SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 PoP 12hr 60 50 5 5 10 30 50 60 Rain shwrs L L C C S C C C L L Tstms S C S S $$ MDZ011-092000- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1045 AM EDT Thu May 9 2024 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 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 57 62 54 69 Temp 70 69 69 66 63 62 60 58 59 58 59 60 58 56 55 54 62 64 67 62 Dewpt 52 55 55 56 55 54 53 52 51 50 49 48 47 47 46 47 45 45 45 47 RH 53 61 61 70 75 75 78 80 75 75 69 64 67 72 72 77 54 50 45 58 Wind dir NE NE NE E E E E E E E NE NE NE NE N N N S S S Wind spd 6 8 9 8 8 6 6 8 9 9 9 5 5 5 4 5 5 5 6 5 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B2 PoP 12hr 50 80 70 40 30 QPF 12hr 0.04 0.16 0.32 0.10 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C L L L L L L L L C C S S C C L Tstms S S S Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 55 70 54 78 63 82 66 79 Temp 59 55 68 67 58 55 75 74 65 64 80 76 70 66 76 76 Dewpt 48 48 46 46 47 48 49 50 53 54 56 56 59 60 60 59 PWind dir S NW NW S S S SE SE Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 SC SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 PoP 12hr 60 50 5 5 10 30 50 60 Rain shwrs L L C C S C C C L L Tstms S C S S $$ WVZ052-092000- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1045 AM EDT Thu May 9 2024 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 65 53 59 45 63 Temp 62 64 62 60 57 55 55 56 56 57 57 55 51 49 47 50 56 62 61 57 Dewpt 54 55 55 54 54 53 52 52 51 50 48 47 46 45 44 45 45 44 44 46 RH 75 73 78 81 90 93 90 86 83 77 72 74 83 86 89 83 66 52 53 67 Wind dir E NE NE NE NE E NE N NE NE N N N N N NW W SW W S Wind spd 5 6 6 8 6 5 6 6 8 8 9 6 6 4 3 3 4 5 6 5 Clouds OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 PoP 12hr 60 80 70 40 60 QPF 12hr 0.09 0.18 0.31 0.05 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C L L L L L L L L C C C C S S L L L Tstms S S S S S S S Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 65 44 73 53 74 58 72 Temp 49 52 63 60 47 50 71 67 55 59 73 69 60 61 70 69 Dewpt 46 47 44 44 42 45 48 50 49 52 55 55 57 59 58 58 PWind dir SW NW W S S S SE SE Wind char LT GN LT GN LT GN GN GN Avg clouds B2 B1 SC FW FW FW SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 60 50 5 10 20 40 60 70 Rain shwrs L C C C S S C C L L L Tstms S C S S S $$ VAZ506-092000- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1045 AM EDT Thu May 9 2024 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 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 71 56 61 49 66 Temp 69 68 68 65 61 59 58 59 60 59 59 57 53 51 50 52 58 63 63 59 Dewpt 56 57 57 57 57 56 55 55 55 53 51 50 48 48 47 47 47 46 48 50 RH 63 68 68 75 87 90 90 87 84 80 75 77 83 89 89 83 67 54 58 72 Wind dir NE NE NE E E E E NE NE NE N NE NE N N N N SW S S Wind spd 6 6 8 9 6 4 3 5 9 9 8 5 4 5 3 4 3 4 3 4 Clouds OV OV OV B2 OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1 B1 B2 B2 PoP 12hr 60 70 60 50 40 QPF 12hr 0.05 0.10 0.34 0.10 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C L C C C C C L L C C S S C C L Tstms S S S S S S Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 50 67 47 75 56 76 60 74 Temp 53 54 65 63 51 53 73 70 60 62 75 71 63 63 72 71 Dewpt 50 50 46 47 46 48 50 52 53 55 57 59 60 61 62 62 PWind dir S NW W S S S SE SE Wind char LT GN LT GN GN GN GN GN Avg clouds B2 B2 SC FW FW FW SC SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 60 40 5 5 20 40 60 70 Rain shwrs L C C C S S C L L L L Tstms S C S S S $$ VAZ037-092000- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1045 AM EDT Thu May 9 2024 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 59 71 50 71 Temp 72 76 76 70 66 63 62 62 68 69 68 63 57 54 53 53 62 66 68 63 Dewpt 63 62 62 60 58 57 55 55 52 50 49 45 45 45 44 44 45 43 43 46 RH 73 62 62 71 75 81 78 78 57 51 51 52 64 71 71 71 54 43 40 54 Wind dir SE E NE NE N NE NE W NW N N N N N N N N S S N Wind spd 5 6 8 9 6 4 4 5 8 10 10 8 5 5 4 5 4 5 6 5 Clouds B2 B2 OV B2 B2 SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC B1 B2 B1 PoP 12hr 60 60 50 30 50 QPF 12hr 0.13 0.07 0.03 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L C S S S S C C C C S S S S C C C Tstms C C C S S C C Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 73 49 78 58 77 63 78 Temp 54 54 71 67 53 54 76 72 60 61 75 73 65 63 75 74 Dewpt 45 45 41 42 42 44 46 49 49 52 54 56 58 59 60 59 PWind dir W NW W S S S SE S Wind char LT GN LT GN LT GN GN GN Avg clouds B1 SC FW FW FW FW FW SC SC B1 B1 B1 B2 B2 B2 B1 PoP 12hr 40 30 0 5 10 40 60 70 Rain shwrs C S C S C L L L L Tstms S S C S C $$ MDZ003-092000- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1045 AM EDT Thu May 9 2024 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 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 53 58 47 64 Temp 64 62 62 61 59 57 56 56 56 56 56 55 52 50 48 50 57 62 61 57 Dewpt 54 55 55 55 55 54 54 53 52 51 49 48 47 47 46 47 47 46 46 48 RH 70 78 78 81 87 90 93 90 86 83 77 77 83 89 93 89 69 56 58 72 Wind dir NE E NE NE E E NE NE E NE N NE NE N N NW W SW SW S Wind spd 6 8 8 10 8 6 6 9 9 8 9 6 6 5 3 4 4 6 6 5 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 OV B2 B2 B2 B1 B1 B2 B2 PoP 12hr 60 80 70 40 50 QPF 12hr 0.12 0.26 0.33 0.09 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C L L L L L L L L C C C C S S C C L Tstms S S S S S S Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 48 65 46 74 54 74 59 73 Temp 51 52 63 61 49 52 72 68 57 59 73 70 61 62 71 70 Dewpt 48 48 46 46 45 47 51 52 51 54 57 58 58 60 60 59 PWind dir S NW W S S S SE SE Wind char LT GN LT GN GN GN GN GN Avg clouds B2 B2 SC SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 PoP 12hr 60 50 5 10 20 40 50 70 Rain shwrs L C C C S S S C C C L L Tstms S C S S S $$ MDZ017-092000- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1045 AM EDT Thu May 9 2024 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 58 65 52 66 Temp 71 72 71 65 62 60 60 61 63 63 61 58 55 54 53 55 60 64 64 60 Dewpt 62 61 60 59 58 57 57 57 56 54 52 51 49 48 47 47 47 47 46 49 RH 73 68 68 81 87 90 90 87 78 72 72 77 80 80 80 74 62 54 52 67 Wind dir E E E E E E NE NE NE E NE NE NE N N N N N SE SE Wind spd 8 9 10 11 11 6 6 6 10 11 11 10 9 8 6 5 6 5 6 8 Clouds B2 B1 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B1 B1 B1 SC B1 PoP 12hr 40 60 60 40 20 QPF 12hr 0.04 0.12 0.16 0.13 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L C C S C C L L C C S S S S C Tstms C C S S S Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 69 53 73 61 77 63 76 Temp 56 57 67 63 55 58 71 68 63 65 76 70 65 66 74 71 Dewpt 51 51 49 50 49 51 52 54 54 56 59 60 60 62 63 62 PWind dir S NW W S S S SE S Wind char GN GN GN GN GN GN GN GN Avg clouds B2 B2 SC SC FW FW FW SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 60 40 5 0 10 20 50 60 Rain shwrs C L C C S C C C L Tstms S S S S S $$ WVZ502-092000- Petersburg WV 38.99N 79.15W Elev. 963 ft 1045 AM EDT Thu May 9 2024 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 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 71 54 63 44 66 Temp 66 68 68 64 61 58 56 55 58 60 60 57 52 49 46 49 58 62 62 57 Dewpt 61 62 61 59 58 56 54 53 51 49 48 46 46 44 43 44 43 42 46 46 RH 84 81 78 84 90 93 93 93 77 67 64 67 80 83 89 83 57 48 56 67 Wind dir NE NE N N E NW NW NW NW NW NW N NW NW NW W W W W W Wind spd 4 5 5 5 5 5 5 5 8 9 10 8 5 3 2 2 4 6 9 8 Clouds B2 OV OV B2 OV B2 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC B2 B2 B1 PoP 12hr 70 70 60 30 60 QPF 12hr 0.19 0.12 0.09 0.01 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L D L C C C C C L L C C C C L L C Tstms C C C S S S C S Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 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 46 68 45 78 54 76 58 76 Temp 50 50 65 62 48 51 75 71 57 59 74 70 60 60 73 72 Dewpt 45 45 43 44 42 44 48 51 50 52 55 58 58 58 60 60 PWind dir W NW W SW SW S S S Wind char LT BZ LT GN GN GN GN GN Avg clouds B2 B1 SC FW FW FW SC SC SC B1 B1 B1 B2 B2 B1 B1 PoP 12hr 40 40 0 10 20 50 60 70 Rain shwrs C S C C S C C L C L L Tstms S S S S $$ MDZ014-092000- Annapolis MD 38.99N 76.49W Elev. 7 ft 1045 AM EDT Thu May 9 2024 Date Thu 05/09/24 Fri 05/10/24 Sat 05/11/24 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 56 60 51 64 Temp 68 68 66 64 61 60 59 58 58 58 57 57 55 54 53 53 58 61 62 60 Dewpt 58 58 56 56 56 55 55 54 53 53 51 50 49 48 47 48 47 47 46 48 RH 70 70 70 75 84 84 87 86 83 83 80 77 80 80 80 83 67 60 56 64 Wind dir NE NE NE E E E E E E E E NE NE NE N N N NW S SE Wind spd 8 9 10 10 10 6 6 9 11 10 10 8 8 5 6 5 5 6 6 6 Clouds OV OV OV B2 B2 OV OV OV OV OV OV OV B2 B2 B1 B1 SC B1 B1 B2 PoP 12hr 50 70 60 40 30 QPF 12hr 0.03 0.13 0.27 0.11 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L C C C C C L L C C S S C C C Tstms S S S S Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 Wed 05/15/24 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 66 53 72 61 75 63 73 Temp 55 55 64 63 55 55 69 69 63 63 73 71 66 64 71 71 Dewpt 51 50 49 48 50 50 51 53 56 56 59 58 61 61 63 61 PWind dir S NW NW S S S SE SE Wind char GN GN LT GN GN GN GN GN Avg clouds B2 B2 SC SC FW FW SC SC SC B1 B1 B1 B2 B2 B2 B2 PoP 12hr 60 50 5 5 10 30 50 60 Rain shwrs C L C C C C C L L Tstms S S S $$