437 FOUS51 KLWX 110837 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 437 AM EDT Thu Oct 11 2018 VAZ054-112100- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 437 AM EDT Thu Oct 11 2018 Date Thu 10/11/18 Fri 10/12/18 Sat 10/13/18 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 57 64 49 59 Temp 74 72 76 78 76 68 64 62 60 58 62 64 62 57 54 52 51 50 56 58 58 53 Dewpt 71 70 73 73 73 68 64 59 53 51 49 48 47 47 46 44 44 44 45 46 45 46 RH 90 93 90 85 90100100 90 78 77 62 56 58 69 74 74 77 80 66 64 62 77 Wind dir S S S S SE N N N NW NW NW NW NW NW NW NW NW W NW NW NW NW Wind spd 6 8 8 6 3 6 12 23 18 17 17 14 13 10 9 4 6 3 5 8 6 4 Wind gust 39 29 27 27 Clouds OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC SC SC SC B1 B1 B1 SC SC PoP 12hr 100 70 5 20 20 QPF 12hr 0.79 0.33 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C D D L L S S S S S Tstms S S S S S Date Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 Wed 10/17/18 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 47 62 53 68 52 63 50 66 Temp 50 49 61 58 55 55 67 60 55 54 62 57 53 52 65 58 Dewpt 44 43 50 52 53 54 58 57 53 49 50 49 48 46 48 46 PWind dir NW SW S SW NW N NW W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 0 5 20 50 60 40 30 10 Rain shwrs S S C C L L C C C C $$ MDZ013-112100- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 437 AM EDT Thu Oct 11 2018 Date Thu 10/11/18 Fri 10/12/18 Sat 10/13/18 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 56 63 49 59 Temp 73 72 77 79 77 68 63 61 59 57 61 63 61 56 53 52 51 50 56 58 57 53 Dewpt 72 71 73 73 73 68 63 60 54 51 49 48 47 47 46 44 44 44 45 45 45 46 RH 97 97 87 82 87100100 97 83 80 65 58 60 72 77 74 77 80 66 62 64 77 Wind dir S S S SW S W N NW NW NW NW NW NW NW NW NW NW W W W NW NW Wind spd 3 8 8 6 4 6 10 25 17 17 17 16 14 10 10 4 6 3 8 9 8 5 Wind gust 37 27 27 27 Clouds OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC SC SC SC B1 B1 B1 SC SC PoP 12hr 100 60 5 20 20 QPF 12hr 0.83 0.33 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C D D L L S S S S S Tstms S S S S S S Coast Flood Y Y Y Y Y Y Flash Flood A A A A A A Date Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 Wed 10/17/18 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 62 53 68 51 63 48 65 Temp 49 48 61 58 55 55 67 60 55 53 62 56 51 50 64 57 Dewpt 43 42 49 51 52 53 58 55 51 48 50 48 47 46 47 45 PWind dir N SW SW SW NW N SW W Wind char LT LT LT LT LT LT LT GN Avg clouds SC FW SC B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 0 10 20 50 60 40 30 10 Rain shwrs S S C C L L C C C C $$ MDZ011-112100- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 437 AM EDT Thu Oct 11 2018 Date Thu 10/11/18 Fri 10/12/18 Sat 10/13/18 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 81 58 64 49 59 Temp 75 73 78 80 78 70 65 63 61 59 62 64 62 57 54 52 51 50 56 58 58 53 Dewpt 72 71 73 73 72 69 65 60 54 51 49 48 47 47 46 44 44 44 45 46 47 45 RH 90 93 85 79 82 97100 90 78 75 62 56 58 69 74 74 77 80 66 64 67 74 Wind dir S S S SW S W N NW NW NW NW NW NW NW NW NW NW W W W NW NW Wind spd 4 6 8 6 3 5 10 24 17 17 17 16 13 10 9 3 6 3 8 9 8 4 Wind gust 36 27 27 27 Clouds OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 SC PoP 12hr 100 60 5 20 20 QPF 12hr 0.81 0.27 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C D D L L S S S S S Tstms S S S S S S Heat index 84 Max heat 84 84 Flash Flood A A A A A A Date Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 Wed 10/17/18 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 47 62 53 68 51 63 49 66 Temp 50 49 61 58 55 55 67 60 55 53 62 56 52 51 65 58 Dewpt 43 43 48 50 52 53 57 56 51 48 50 47 46 45 47 45 PWind dir NW SW SW SW NW N SW W Wind char LT LT LT LT LT LT LT GN Avg clouds SC FW SC B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 0 10 20 50 60 40 30 10 Rain shwrs S S C C L L C C C C $$ WVZ052-112100- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 437 AM EDT Thu Oct 11 2018 Date Thu 10/11/18 Fri 10/12/18 Sat 10/13/18 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 52 60 45 57 Temp 71 70 74 76 74 65 60 57 55 53 57 59 58 53 50 48 47 47 53 56 55 49 Dewpt 70 69 71 71 69 64 57 52 47 46 44 43 44 44 42 41 41 42 42 42 42 42 RH 97 97 90 85 84 97 90 83 74 77 62 55 59 71 74 77 79 83 66 59 61 77 Wind dir S S S W W NW NW NW NW NW NW NW NW NW NW W W W W NW NW NW Wind spd 4 5 5 5 3 9 13 18 13 13 18 14 12 8 5 1 4 2 8 9 6 3 Wind gust 29 Clouds OV OV OV OV OV OV B2 B2 B1 B1 SC SC SC SC SC B1 B1 B2 B1 B1 SC SC PoP 12hr 80 30 0 40 10 QPF 12hr 0.36 0.03 0 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D D D D C C C C Tstms S S S Date Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 Wed 10/17/18 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 41 60 49 65 47 60 45 64 Temp 44 44 59 55 51 51 64 56 51 49 59 53 48 48 63 55 Dewpt 40 38 47 49 49 49 56 52 48 44 45 45 42 41 43 43 PWind dir W S S SW NW NW W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW SC B1 B1 B1 B2 B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 0 10 30 50 50 30 20 10 Rain shwrs C C C C C C C C S S $$ VAZ506-112100- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 437 AM EDT Thu Oct 11 2018 Date Thu 10/11/18 Fri 10/12/18 Sat 10/13/18 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 78 54 62 47 58 Temp 73 72 76 78 75 66 61 59 57 55 59 61 60 55 52 50 49 49 54 57 56 51 Dewpt 72 71 72 73 71 66 61 57 50 48 48 47 47 46 44 43 43 43 44 44 44 44 RH 97 97 87 85 87100100 93 77 77 67 60 62 72 74 77 80 80 69 62 64 77 Wind dir S S S SW NW NW NW NW NW NW NW NW NW NW NW NW NW W NW NW NW NW Wind spd 8 8 8 5 4 8 16 26 19 18 18 14 13 9 6 3 5 2 6 9 6 4 Wind gust 40 31 29 29 Clouds OV OV OV OV OV OV OV B2 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 SC SC PoP 12hr 90 60 5 20 20 QPF 12hr 0.82 0.15 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C D D L L S S S S S Tstms S S S S S Date Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 Wed 10/17/18 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 44 61 52 67 50 62 47 65 Temp 47 46 60 57 54 54 66 59 54 52 61 55 50 50 64 56 Dewpt 41 40 49 50 51 52 58 56 51 47 49 47 45 44 45 45 PWind dir NW SW S SW NW N SW W Wind char LT LT LT LT LT LT LT GN Avg clouds SC FW SC B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 0 10 20 50 60 40 30 10 Rain shwrs S S C C L L C C C C $$ VAZ037-112100- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 437 AM EDT Thu Oct 11 2018 Date Thu 10/11/18 Fri 10/12/18 Sat 10/13/18 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 53 65 46 61 Temp 72 70 75 77 75 66 61 58 56 55 61 64 63 56 52 50 48 48 56 60 59 53 Dewpt 71 70 72 72 71 65 60 56 49 47 46 46 47 47 44 42 42 42 43 43 43 45 RH 97100 90 85 87 97 97 93 77 74 58 52 56 72 74 74 80 80 62 53 55 74 Wind dir S S S E NE N N NW NW NW NW NW NW N NW NW NW W W NW NW N Wind spd 5 4 3 2 4 10 11 16 9 8 9 8 6 4 4 1 3 2 4 8 3 3 Clouds OV OV OV OV OV OV B2 B1 B1 SC SC SC FW FW SC SC SC B1 SC SC SC SC PoP 12hr 100 60 5 10 10 QPF 12hr 0.96 0.12 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C D D L L S Tstms S S S S S Flash Flood A A A A A A Date Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 Wed 10/17/18 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 44 61 51 67 50 63 47 66 Temp 48 46 60 56 53 53 66 59 54 52 62 55 50 50 65 57 Dewpt 42 40 49 51 50 51 59 58 53 48 49 50 47 44 46 46 PWind dir N S SW SW W N SW W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 0 10 20 50 50 30 30 10 Rain shwrs S S C C C C C C C C $$ MDZ003-112100- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 437 AM EDT Thu Oct 11 2018 Date Thu 10/11/18 Fri 10/12/18 Sat 10/13/18 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 76 52 59 44 56 Temp 72 69 73 75 73 64 59 57 55 53 57 59 57 52 49 47 46 46 52 55 54 49 Dewpt 70 69 71 71 69 64 57 52 47 46 45 44 44 43 42 41 41 41 41 42 42 42 RH 93100 93 87 87100 93 83 74 77 64 57 62 71 77 79 83 83 66 61 64 77 Wind dir S S S SW SW NW NW NW NW NW NW NW NW NW NW W W W W NW NW NW Wind spd 6 8 8 5 3 9 13 19 14 14 18 16 13 8 6 2 5 2 9 9 9 3 Wind gust 29 29 Clouds OV OV OV OV OV OV B2 B2 B1 B1 SC SC SC SC SC B1 B1 B2 B2 B1 B1 SC PoP 12hr 80 20 0 40 20 QPF 12hr 0.29 0 0 0.04 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D D D D S S C C S S Tstms S S S S Date Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 Wed 10/17/18 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 41 59 49 64 46 59 44 63 Temp 44 44 58 54 51 51 63 55 50 48 58 52 47 47 62 54 Dewpt 39 37 46 48 49 49 54 51 47 43 44 44 42 40 43 42 PWind dir W S S SW NW NW W W Wind char LT LT LT LT LT LT LT GN Avg clouds SC FW SC B1 B1 B1 B2 B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 0 5 30 50 50 30 20 10 Rain shwrs C C C C C C C C S S $$ MDZ017-112100- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 437 AM EDT Thu Oct 11 2018 Date Thu 10/11/18 Fri 10/12/18 Sat 10/13/18 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 61 67 53 62 Temp 76 74 78 80 78 71 67 65 63 62 65 67 65 60 57 56 55 54 59 61 61 57 Dewpt 74 73 74 74 74 70 67 65 57 55 54 53 52 51 51 50 48 47 47 48 50 49 RH 94 97 88 82 88 97100100 81 78 68 61 63 72 80 80 77 77 64 62 67 75 Wind dir S S S S SE NE N N NW NW NW NW NW NW NW N NW N NW NW NW NW Wind spd 8 10 11 9 8 11 17 33 28 25 23 18 16 14 14 8 12 5 10 10 9 8 Wind gust 27 50 46 40 36 29 Clouds OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC FW FW SC B1 B1 B1 SC SC PoP 12hr 100 90 20 10 10 QPF 12hr 0.83 1.90 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C D D D D D L S S Tstms S S S S S S Heat index 84 Max heat 84 Coast Flood Y Y Y Y Y Flash Flood A A A A A A Wind Y Y Y Y Date Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 Wed 10/17/18 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 65 60 72 57 65 54 66 Temp 54 54 64 63 61 62 71 65 60 58 64 60 56 56 65 60 Dewpt 48 48 51 54 57 58 61 60 58 54 52 53 53 51 49 50 PWind dir N S SW SW W N N NW Wind char LT LT GN GN GN GN LT GN Avg clouds SC FW SC B1 B1 SC B1 B2 B2 B2 B1 B1 B1 SC SC SC PoP 12hr 0 5 20 40 50 30 40 10 Rain shwrs S S C C C C C C C C $$ WVZ502-112100- Petersburg WV 38.99N 79.15W Elev. 963 ft 437 AM EDT Thu Oct 11 2018 Date Thu 10/11/18 Fri 10/12/18 Sat 10/13/18 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 48 58 44 54 Temp 68 67 71 73 70 61 56 53 51 49 55 57 56 51 48 47 46 45 51 53 52 47 Dewpt 68 67 69 69 67 61 54 50 45 44 42 41 42 43 43 42 42 42 40 38 38 41 RH 100100 93 87 90100 93 89 80 83 61 55 59 74 83 83 86 89 66 57 59 79 Wind dir SE S S W W N NW N W W NW NW NW W W W W W W NW W NW Wind spd 1 3 2 3 3 9 9 12 8 6 10 9 10 4 5 2 4 3 6 8 5 2 Clouds OV OV OV OV OV B2 B2 B1 B1 B1 SC SC SC SC SC B1 B2 B2 B1 B1 SC SC PoP 12hr 80 10 0 50 20 QPF 12hr 0.42 0 0 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs O D D D D C C S S Tstms S S S S Date Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 Wed 10/17/18 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 40 63 50 65 46 60 44 62 Temp 43 43 61 57 53 52 64 56 50 48 59 52 47 47 61 53 Dewpt 38 37 48 50 50 51 57 52 48 44 46 46 43 41 40 43 PWind dir SW S S SW NW NW S W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 0 20 30 60 50 40 20 10 Rain shwrs S C C L L C C C C S S $$ MDZ014-112100- Annapolis MD 38.99N 76.49W Elev. 7 ft 437 AM EDT Thu Oct 11 2018 Date Thu 10/11/18 Fri 10/12/18 Sat 10/13/18 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 59 65 51 60 Temp 76 72 76 78 76 69 65 63 61 60 63 65 63 58 55 54 53 52 57 59 59 55 Dewpt 72 71 73 73 72 69 65 62 56 53 52 51 50 49 48 47 46 46 46 47 48 47 RH 87 97 90 85 87100100 97 84 78 67 60 62 72 77 77 77 80 67 64 67 74 Wind dir S S S S S N N N NW NW NW NW NW NW NW NW NW NW NW W NW NW Wind spd 8 9 9 8 6 6 9 23 19 17 18 16 14 11 12 6 9 4 9 10 9 6 Wind gust 34 31 27 29 Clouds OV OV OV OV OV OV OV OV B2 B1 SC SC SC SC SC SC SC B1 B1 B1 SC SC PoP 12hr 100 70 10 20 20 QPF 12hr 0.79 0.55 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C D D L L C C S S S S Tstms S S S S S S Coast Flood Y Y Y Y Y Y Flash Flood A A A A A A Date Sun 10/14/18 Mon 10/15/18 Tue 10/16/18 Wed 10/17/18 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 62 56 69 53 63 51 66 Temp 51 51 61 59 57 58 68 61 56 54 62 57 54 53 65 59 Dewpt 45 45 50 53 54 55 58 57 53 50 50 49 49 47 49 48 PWind dir N S SW SW NW N S W Wind char LT LT LT GN GN LT LT GN Avg clouds SC FW SC B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 0 10 20 50 60 40 30 10 Rain shwrs S S C C L L C C C C $$