197 FOUS51 KLWX 100240 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 1040 PM EDT Tue Oct 9 2018 VAZ054-100900- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 1040 PM EDT Tue Oct 9 2018 Date 10/09/18 Wed 10/10/18 Thu 10/11/18 Fri 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 70 81 70 80 58 Temp 74 72 71 72 77 80 80 76 73 72 70 71 77 79 77 69 65 63 61 58 Dewpt 69 69 69 69 70 70 70 69 70 70 70 70 72 73 73 69 65 63 56 54 RH 84 90 93 90 79 72 72 79 90 93100 97 85 82 87100100100 84 86 Wind dir SE SE S S S S S SE S S S S S S SW SW NW NW NW NW Wind spd 4 3 3 3 4 6 6 5 6 6 6 6 9 6 6 2 6 10 14 13 Wind gust 25 Clouds B1 B2 B2 B2 B2 B1 B1 B2 OV B2 OV B2 OV OV OV OV OV B2 B1 B1 PoP 12hr 20 20 60 90 60 QPF 12hr 0 0 0.15 0.67 0.18 Snow 12hr 00-00 00-00 00-00 Drizzle O O Rain shwrs S S S S C C L L D D D D L L C C S Tstms S S S S S S Obvis PF PF Heat index 83 83 Max heat 83 85 84 Date 10/12 Sat 10/13/18 Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 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 63 49 62 48 67 55 71 54 66 Temp 63 56 52 51 61 55 51 51 66 61 58 57 70 63 58 56 65 59 Dewpt 51 48 45 44 46 45 45 45 51 53 54 54 60 58 57 51 49 48 PWind dir NW NW NW N SE S SW W NW Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW SC FW FW FW SC B1 B1 B1 B1 B1 B2 B2 SC SC PoP 12hr 20 5 10 5 10 20 40 40 30 Rain shwrs S S S C C C C C C $$ MDZ013-100900- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 1040 PM EDT Tue Oct 9 2018 Date 10/09/18 Wed 10/10/18 Thu 10/11/18 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 81 71 79 59 Temp 72 71 69 71 77 80 80 76 74 73 71 72 76 78 77 69 65 63 61 59 Dewpt 69 69 68 68 70 70 70 70 70 71 70 71 72 73 73 69 65 63 56 54 RH 90 93 97 90 79 72 72 82 87 93 97 97 87 85 87100100100 84 83 Wind dir SE SE SE SE S S S SE S S S S S S SW SW W NW NW NW Wind spd 3 1 2 2 4 6 8 5 6 6 6 6 9 9 6 3 6 9 16 13 Wind gust 19 28 24 Clouds B1 B1 B2 B2 B2 B1 B1 B1 OV B2 OV B2 OV OV OV OV OV B2 B1 B1 PoP 12hr 20 20 60 90 60 QPF 12hr 0 0 0.16 0.82 0.13 Snow 12hr 00-00 00-00 00-00 Drizzle O O Rain shwrs S S C C L L D D D D L L C C S Tstms S S S S S S Obvis PF PF Heat index 83 83 Max heat 83 85 Coast Flood Y Y Date 10/12 Sat 10/13/18 Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 63 48 61 47 66 55 71 53 65 Temp 63 56 51 50 60 54 50 50 65 61 57 57 70 62 57 55 64 58 Dewpt 51 48 43 44 46 44 43 44 50 51 52 53 59 57 57 50 49 47 PWind dir NW NW NW N S S SW W NW Wind char BZ GN GN LT LT LT GN GN GN Avg clouds SC SC FW FW SC FW FW FW SC SC B1 B1 B1 B1 B2 B2 SC SC PoP 12hr 20 5 5 5 10 20 40 40 30 Rain shwrs S S S C C C C C C $$ MDZ011-100900- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 1040 PM EDT Tue Oct 9 2018 Date 10/09/18 Wed 10/10/18 Thu 10/11/18 Fri 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 71 81 70 80 59 Temp 75 73 72 73 77 80 80 76 73 72 70 71 77 79 77 70 66 63 61 59 Dewpt 69 69 69 69 70 70 70 69 70 71 70 71 72 73 73 70 66 63 56 54 RH 82 87 90 87 79 72 72 79 90 97100100 85 82 87100100100 84 83 Wind dir SE E SE SE S SE SE SE SE S S S S S SW SW W NW NW NW Wind spd 3 2 2 2 4 5 6 5 5 6 6 6 9 8 6 2 6 9 16 13 Wind gust 19 28 24 Clouds B1 B1 B2 B2 B2 B1 B1 B2 OV B2 OV B2 OV OV OV OV OV OV B1 B1 PoP 12hr 20 20 60 90 60 QPF 12hr 0 0 0.15 0.88 0.10 Snow 12hr 00-00 00-00 00-00 Drizzle O O Rain shwrs S S C C L L D D D D L L C C S Tstms S S S S S S Obvis PF Heat index 83 83 Max heat 83 85 84 Date 10/12 Sat 10/13/18 Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 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 63 49 61 48 67 55 71 54 66 Temp 63 56 52 51 60 55 51 51 66 61 58 57 70 63 58 56 65 59 Dewpt 51 48 43 43 46 45 43 43 50 51 52 54 59 57 56 50 48 47 PWind dir NW NW NW N S S SW W NW Wind char GN LT LT LT LT LT GN GN GN Avg clouds SC SC FW FW SC FW FW FW SC SC B1 B1 B1 B1 B2 B2 SC SC PoP 12hr 20 5 5 5 10 20 40 40 30 Rain shwrs S S S C C C C C C $$ WVZ052-100900- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 1040 PM EDT Tue Oct 9 2018 Date 10/09/18 Wed 10/10/18 Thu 10/11/18 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 80 68 78 54 Temp 68 67 66 69 75 79 79 74 72 71 68 69 75 77 75 66 61 59 57 54 Dewpt 67 67 66 66 68 68 68 67 68 68 68 69 72 72 70 66 61 56 50 48 RH 97100100 90 79 69 69 79 87 90100100 90 85 84100100 90 77 80 Wind dir S SE SE S S S S SE SE S S S S SW W W NW NW NW NW Wind spd 3 3 3 4 6 9 8 5 6 8 6 5 6 4 5 2 9 10 13 11 Clouds B1 B1 B2 B1 B2 B1 B2 B2 OV B2 B2 OV OV OV OV OV B2 B2 B1 B1 PoP 12hr 20 30 70 90 40 QPF 12hr 0 0 0.32 0.68 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C L L D D D D C C Tstms S S S S S S Obvis PF PF PF Date 10/12 Sat 10/13/18 Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 61 45 60 43 63 51 69 49 63 Temp 61 53 48 47 59 52 47 46 62 57 54 54 68 59 53 51 62 55 Dewpt 46 45 41 41 43 42 41 40 48 50 50 49 58 55 53 47 46 44 PWind dir NW NW NW NE S S S W NW Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC SC FW FW SC SC B1 B1 B1 B2 B2 B2 B2 SC SC PoP 12hr 5 5 20 5 20 30 40 40 30 Rain shwrs S S S S C C C C C C C C $$ VAZ506-100900- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 1040 PM EDT Tue Oct 9 2018 Date 10/09/18 Wed 10/10/18 Thu 10/11/18 Fri 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 69 80 70 79 56 Temp 73 71 70 71 76 79 79 75 73 72 70 71 76 78 76 68 63 61 59 56 Dewpt 69 68 68 68 70 69 70 69 70 70 70 71 72 73 73 68 63 61 53 51 RH 87 90 93 90 82 72 74 82 90 93100100 87 85 90100100100 80 83 Wind dir SE S S S S S S SE S S S S S S SW W NW NW NW NW Wind spd 5 4 4 4 5 8 8 6 8 9 8 8 9 6 6 2 8 11 16 14 Wind gust 21 26 Clouds B1 B2 B2 B2 B2 B1 B2 B2 OV B2 OV OV OV OV OV OV OV B2 B1 B1 PoP 12hr 20 20 70 90 50 QPF 12hr 0 0 0.20 0.67 0.09 Snow 12hr 00-00 00-00 00-00 Drizzle O O Rain shwrs S S S S C C L L D D D D C C C C Tstms S S S S S S Obvis PF PF Date 10/12 Sat 10/13/18 Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 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 62 47 61 46 66 53 70 52 65 Temp 62 55 50 49 60 54 49 49 65 60 56 55 69 61 56 54 64 58 Dewpt 49 47 43 43 45 44 43 43 50 51 51 52 59 57 56 49 48 47 PWind dir NW NW NW NE S S SW W NW Wind char BZ LT LT LT LT LT LT GN GN Avg clouds SC FW FW FW SC FW FW SC SC B1 B1 B1 B1 B2 B2 B1 SC SC PoP 12hr 10 5 10 5 20 30 40 40 30 Rain shwrs S S C C C C C C C C $$ VAZ037-100900- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 1040 PM EDT Tue Oct 9 2018 Date 10/09/18 Wed 10/10/18 Thu 10/11/18 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 79 69 78 55 Temp 72 69 67 69 75 78 78 74 72 71 69 70 75 77 75 67 62 60 58 55 Dewpt 68 68 67 66 69 68 69 68 69 69 69 69 72 72 71 67 62 60 53 50 RH 87 97100 90 82 71 74 82 90 93100 97 90 85 87100100100 83 83 Wind dir SE SE SE SE S S SE SE S S S S S S SW N NW N N N Wind spd 3 4 2 3 4 5 5 3 4 6 5 4 5 4 3 3 6 8 11 10 Clouds B2 B2 B2 B2 B2 B2 B2 OV OV B2 OV OV OV OV OV OV B2 B2 SC B1 PoP 12hr 30 40 70 90 60 QPF 12hr 0.07 0.05 0.31 0.70 0.11 Snow 12hr 00-00 00-00 00-00 Drizzle O O Rain shwrs C S S C C C C C C L L D D D D L L C C Tstms S S S S S S Obvis PF PF F Date 10/12 Sat 10/13/18 Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 46 63 45 66 53 71 52 66 Temp 64 56 50 48 62 54 49 48 65 60 56 56 70 62 56 54 65 58 Dewpt 48 47 42 43 45 45 42 41 51 52 51 51 60 58 56 49 49 48 PWind dir NW NW NW E S S SW SW NW Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW SC FW FW SC SC B1 B1 B1 B1 B1 B2 B2 SC SC PoP 12hr 10 5 10 5 20 30 40 40 30 Rain shwrs S S C C C C C C C C $$ MDZ003-100900- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 1040 PM EDT Tue Oct 9 2018 Date 10/09/18 Wed 10/10/18 Thu 10/11/18 Fri 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 66 80 68 77 53 Temp 71 69 67 69 75 79 79 74 72 71 68 69 74 76 74 65 60 58 56 53 Dewpt 66 66 67 66 68 68 68 67 68 68 68 68 71 71 70 65 60 55 49 48 RH 84 90100 90 79 69 69 79 87 90100 97 90 85 87100100 90 77 83 Wind dir SE S SE S S S S SE S S S S S SW W W NW NW NW NW Wind spd 4 4 4 4 8 9 9 6 8 10 9 6 9 5 6 3 10 9 13 11 Wind gust 19 Clouds B1 B1 B2 B2 B2 B1 B1 B2 OV B2 OV OV OV OV OV OV B2 B2 B1 B1 PoP 12hr 20 20 70 90 30 QPF 12hr 0 0 0.32 0.72 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C L L D D D D C C Tstms S S S S S S Obvis PF PF PF Date 10/12 Sat 10/13/18 Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 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 60 45 58 43 62 51 68 48 62 Temp 60 53 48 47 57 51 46 46 61 57 53 53 67 58 52 50 61 54 Dewpt 46 44 41 41 42 42 40 40 47 49 49 48 57 54 52 46 46 43 PWind dir NW NW NW N S S SW W NW Wind char GN LT LT LT LT LT LT LT GN Avg clouds SC FW SC SC SC FW FW SC SC B1 B1 B1 B2 B2 B2 B2 B1 SC PoP 12hr 5 5 10 5 20 30 40 50 30 Rain shwrs S S C C C C C C C C $$ MDZ017-100900- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 1040 PM EDT Tue Oct 9 2018 Date 10/09/18 Wed 10/10/18 Thu 10/11/18 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 80 72 80 62 Temp 76 74 72 73 77 79 79 76 74 74 72 73 77 79 78 71 68 66 64 62 Dewpt 71 71 70 71 72 71 71 71 72 72 72 72 73 74 73 71 68 66 62 59 RH 85 90 93 93 85 77 77 85 93 93100 97 87 85 85100100100 93 90 Wind dir SE SE S S SE SE SE SE S S S S S S S S W NW N N Wind spd 6 5 5 3 5 8 10 10 10 9 9 8 11 11 9 6 8 9 23 21 Wind gust 37 35 Clouds B1 B1 B2 B1 B2 SC B1 B1 OV B1 OV B2 OV OV OV OV OV OV B2 B2 PoP 12hr 10 20 50 80 90 QPF 12hr 0 0 0.09 0.62 1.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C D D D D D D L L C Tstms S S S S S S Obvis PF PF PF Coast Flood Y Y Y Date 10/12 Sat 10/13/18 Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 53 63 53 69 60 73 59 67 Temp 67 60 56 54 62 58 55 55 68 65 62 62 72 66 62 60 66 62 Dewpt 55 52 49 47 47 48 49 48 52 54 56 57 62 61 62 55 52 51 PWind dir NW NW NW NE SE S S SW NW Wind char BZ GN GN LT LT LT GN GN GN Avg clouds SC SC FW FW SC FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 50 5 5 5 10 20 30 40 30 Rain shwrs C S S C C C C C C $$ WVZ502-100900- Petersburg WV 38.99N 79.15W Elev. 963 ft 1040 PM EDT Tue Oct 9 2018 Date 10/09/18 Wed 10/10/18 Thu 10/11/18 Fri 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 64 80 67 77 50 Temp 64 64 64 67 75 79 78 74 71 70 67 68 74 76 74 64 58 56 53 50 Dewpt 64 64 64 63 66 65 66 67 67 66 67 67 69 71 68 64 58 54 47 46 RH 100100100 87 74 62 67 79 87 87100 97 84 85 82100100 93 80 86 Wind dir W S S S S S S SE S S S S SW SW W NW NW NW NW NW Wind spd 2 2 2 1 5 6 5 2 2 2 4 3 4 3 4 3 8 6 11 9 Clouds B2 B1 B1 B1 B1 B1 B2 OV OV B2 OV OV OV OV OV B2 B1 B1 FW SC PoP 12hr 20 40 70 80 20 QPF 12hr 0 0.01 0.34 0.77 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C C C C C L L D D D D S S Tstms S S S S S S Obvis PF PF Date 10/12 Sat 10/13/18 Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 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 59 44 59 42 65 51 69 48 62 Temp 58 52 47 46 58 51 46 45 63 58 54 54 68 59 52 50 61 54 Dewpt 44 44 41 41 41 42 40 39 50 50 50 50 58 56 52 46 43 43 PWind dir NW W NW SW S S SW W W Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC FW SC SC SC FW FW SC SC B1 B1 B1 B2 B2 B2 B1 SC SC PoP 12hr 5 5 20 5 20 30 50 40 30 Rain shwrs S S S S C C C C C C C C $$ MDZ014-100900- Annapolis MD 38.99N 76.49W Elev. 7 ft 1040 PM EDT Tue Oct 9 2018 Date 10/09/18 Wed 10/10/18 Thu 10/11/18 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 79 70 79 60 Temp 74 72 71 72 76 78 78 75 73 72 70 71 76 78 77 70 66 64 62 60 Dewpt 69 69 69 69 71 71 70 70 71 70 70 70 73 73 73 70 66 64 58 55 RH 84 90 93 90 85 79 76 84 93 93100 97 90 85 87100100100 87 84 Wind dir SE S S S S S S S S S S S S S S S W NW NW NW Wind spd 4 4 4 3 5 6 8 8 9 9 9 8 10 10 8 4 6 10 18 17 Wind gust 31 Clouds B1 B1 B2 B2 B2 B1 B1 B1 OV B2 OV B2 OV OV OV OV OV OV B2 B1 PoP 12hr 20 20 60 80 70 QPF 12hr 0 0 0.11 0.82 0.28 Snow 12hr 00-00 00-00 00-00 Drizzle O O Rain shwrs S S C C L L D D D D L L L L C Tstms S S S S S S Obvis PF PF PF Coast Flood Y Y Date 10/12 Sat 10/13/18 Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 51 63 50 67 57 72 55 66 Temp 64 58 54 53 62 57 53 52 66 62 59 59 71 64 59 57 65 60 Dewpt 52 49 45 45 47 46 46 45 51 52 53 55 61 59 58 52 50 49 PWind dir NW NW NW NE S S SW W NW Wind char BZ GN GN LT LT LT GN GN GN Avg clouds SC SC FW FW SC FW FW FW SC SC B1 B1 B1 B1 B2 B2 SC SC PoP 12hr 30 5 5 5 10 20 40 40 30 Rain shwrs C S S C C C C C C $$