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000 FOUS51 KLWX 192040 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 440 PM EDT Tue Oct 19 2021 VAZ054-200900- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 440 PM EDT Tue Oct 19 2021 Date 10/19/21 Wed 10/20/21 Thu 10/21/21 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 55 76 54 78 59 Temp 73 65 61 58 56 55 67 74 74 66 63 59 56 55 67 75 75 70 68 65 62 60 Dewpt 42 43 43 43 44 45 46 46 46 48 49 49 49 49 51 51 51 52 54 55 54 53 RH 33 45 51 57 64 69 47 37 37 52 60 69 77 80 56 43 43 53 61 70 75 78 Wind dir W W W W W SW W W W S SW S SW S SW S S SW SW W W W Wind spd 10 5 6 5 5 5 8 9 5 4 4 4 3 3 5 9 10 10 10 6 6 5 Clouds CL FW CL SC B1 FW CL FW FW FW FW FW FW FW FW FW FW SC B1 B1 B1 SC PoP 12hr 0 0 0 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date 10/22 Sat 10/23/21 Sun 10/24/21 Mon 10/25/21 Tue 10/26/21 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 56 66 49 65 49 64 51 65 Temp 70 64 60 57 65 59 53 50 63 58 53 51 62 58 55 53 63 59 Dewpt 51 51 51 49 47 43 43 42 42 42 42 42 44 45 47 47 48 48 PWind dir NW NW NW NW NW N E NE N Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC B1 B2 B1 B1 SC FW FW FW SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 10 20 20 0 5 20 30 20 10 Rain shwrs S S S S S S C C S S $$ MDZ013-200900- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 440 PM EDT Tue Oct 19 2021 Date 10/19/21 Wed 10/20/21 Thu 10/21/21 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 76 52 77 56 Temp 71 61 57 54 52 52 67 73 74 64 59 56 54 54 69 75 74 68 65 62 59 59 Dewpt 42 43 43 44 44 44 47 47 47 49 49 49 48 48 51 51 51 52 54 54 54 52 RH 35 51 59 69 74 74 49 40 38 58 69 77 80 80 53 43 44 57 68 75 83 78 Wind dir W W W W W W W W W SW SW SW W W S S S SW SW W W W Wind spd 11 6 5 5 5 5 10 11 8 3 3 3 2 2 4 8 9 9 9 6 6 5 Clouds CL FW CL SC SC FW CL CL FW FW FW FW FW FW FW SC FW SC B1 B1 SC SC PoP 12hr 0 0 0 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date 10/22 Sat 10/23/21 Sun 10/24/21 Mon 10/25/21 Tue 10/26/21 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 53 67 46 65 46 64 48 65 Temp 71 63 58 56 65 58 51 48 64 57 50 49 62 56 52 51 63 57 Dewpt 51 51 51 49 47 44 41 40 40 42 42 41 42 44 45 45 48 47 PWind dir NW NW NW NW NW N E NE N Wind char LT LT GN LT LT LT LT LT GN Avg clouds SC B1 B2 B1 B1 SC FW FW FW SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 10 20 20 5 5 20 30 20 10 Rain shwrs S S S S S S C C S S $$ MDZ011-200900- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 440 PM EDT Tue Oct 19 2021 Date 10/19/21 Wed 10/20/21 Thu 10/21/21 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 56 76 53 77 57 Temp 71 63 60 59 57 57 69 75 74 65 60 58 55 54 68 75 75 68 66 63 59 58 Dewpt 44 45 44 45 45 45 47 47 48 50 51 50 50 50 53 53 54 54 56 56 55 54 RH 38 52 55 60 64 64 45 37 40 58 72 75 83 86 59 46 48 61 70 78 87 86 Wind dir W W W W W W W W W W SW W W W S S S S SW W NW W Wind spd 12 6 5 6 6 5 10 11 8 3 3 3 2 2 5 8 9 9 9 6 8 3 Clouds CL CL CL SC SC FW CL FW FW FW FW FW FW FW FW SC SC SC B1 B1 SC SC PoP 12hr 0 0 0 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date 10/22 Sat 10/23/21 Sun 10/24/21 Mon 10/25/21 Tue 10/26/21 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 54 65 46 64 46 63 48 64 Temp 70 62 58 55 64 57 51 48 63 56 50 48 61 56 52 50 62 57 Dewpt 53 52 53 50 49 45 43 42 43 43 43 42 44 46 47 46 50 49 PWind dir NW N NW NW NW N E NE N Wind char LT LT LT LT LT LT LT LT GN Avg clouds SC B1 B2 B1 B1 SC FW FW FW SC FW SC SC B1 B1 B1 B1 B1 PoP 12hr 10 20 20 5 5 20 30 20 10 Rain shwrs S S S S S S C C S S $$ WVZ052-200900- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 440 PM EDT Tue Oct 19 2021 Date 10/19/21 Wed 10/20/21 Thu 10/21/21 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 47 74 47 76 52 Temp 71 58 54 51 49 48 63 72 72 61 56 52 49 49 64 73 73 65 61 58 56 54 Dewpt 42 42 42 42 42 43 46 46 46 46 46 45 44 44 48 49 51 53 54 53 51 49 RH 35 55 64 71 77 83 54 39 39 58 69 77 83 83 56 43 46 65 78 83 83 83 Wind dir W W W SW SW SW W W W W SW SW W SW S SW SW SW W W W W Wind spd 9 4 4 3 3 4 8 10 5 3 3 2 2 2 4 8 8 5 5 5 5 3 Clouds CL CL FW SC SC CL CL FW FW FW FW FW SC FW FW SC SC B1 SC SC SC SC PoP 12hr 0 0 0 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Date 10/22 Sat 10/23/21 Sun 10/24/21 Mon 10/25/21 Tue 10/26/21 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 49 61 41 62 42 61 45 63 Temp 65 57 53 51 59 52 46 43 59 52 46 44 58 53 49 48 60 54 Dewpt 48 48 48 47 43 40 39 38 40 40 39 39 42 44 43 45 46 46 PWind dir NW NW NW NW NW N E NE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B2 B1 B2 B1 SC FW FW FW FW SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 5 20 20 0 5 20 30 20 10 Rain shwrs S S S S S S C C S S $$ VAZ506-200900- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 440 PM EDT Tue Oct 19 2021 Date 10/19/21 Wed 10/20/21 Thu 10/21/21 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 49 75 49 77 54 Temp 71 60 56 53 51 51 66 73 73 62 58 54 51 51 67 74 75 67 65 60 57 57 Dewpt 44 43 42 43 43 43 47 47 49 48 48 48 47 47 50 50 52 52 54 54 53 52 RH 38 53 59 69 74 74 50 40 43 60 69 80 86 86 54 43 45 59 68 81 86 83 Wind dir W W W W W W W W W SW SW SW W SW S S S S SW W NW NW Wind spd 9 5 4 4 4 4 9 9 5 3 3 2 2 1 3 8 10 9 8 4 5 3 Clouds CL FW CL SC B1 CL CL FW FW FW FW FW FW FW FW FW SC B1 B1 B1 SC SC PoP 12hr 0 0 0 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date 10/22 Sat 10/23/21 Sun 10/24/21 Mon 10/25/21 Tue 10/26/21 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 51 65 44 65 45 63 47 65 Temp 68 61 56 53 62 55 48 45 62 55 49 47 61 55 51 50 62 56 Dewpt 51 51 50 49 46 43 41 40 42 42 42 41 44 45 47 46 48 48 PWind dir NW NW NW NW NW N SE NE N Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC B2 B2 B1 B1 SC FW FW FW SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 10 20 20 0 5 20 30 20 10 Rain shwrs S S S S S S C C S S $$ VAZ037-200900- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 440 PM EDT Tue Oct 19 2021 Date 10/19/21 Wed 10/20/21 Thu 10/21/21 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 45 76 50 78 56 Temp 73 61 54 49 48 46 64 72 73 63 57 54 52 52 68 76 75 69 65 62 59 58 Dewpt 44 43 41 41 40 40 46 44 47 48 47 46 44 45 49 51 52 54 55 55 54 53 RH 35 51 61 74 74 79 52 37 40 58 69 74 74 77 51 42 45 59 70 78 83 83 Wind dir SW W W SW SW W W SW SW SW SW SW W SW SW SW SW SW SW W W W Wind spd 5 2 2 2 2 2 3 5 4 3 3 3 3 3 4 9 10 8 5 4 3 2 Clouds CL CL SC SC SC CL CL CL FW CL FW FW FW FW FW FW SC SC B1 B1 SC SC PoP 12hr 0 0 0 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date 10/22 Sat 10/23/21 Sun 10/24/21 Mon 10/25/21 Tue 10/26/21 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 52 69 45 68 48 67 51 69 Temp 71 62 56 54 67 58 50 47 65 58 53 50 64 58 55 54 65 60 Dewpt 52 52 50 48 47 44 43 41 43 45 45 44 47 48 50 49 51 50 PWind dir W NW NW NW W N SE W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 SC SC FW FW FW SC SC B1 B1 SC B1 B1 B1 SC PoP 12hr 10 20 20 0 5 20 30 20 10 Rain shwrs S S S S S S C C S S $$ MDZ003-200900- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 440 PM EDT Tue Oct 19 2021 Date 10/19/21 Wed 10/20/21 Thu 10/21/21 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 48 73 51 75 54 Temp 69 61 57 53 52 49 62 71 71 64 59 56 53 52 64 73 73 67 64 61 58 55 Dewpt 43 43 43 43 42 43 46 47 48 47 48 48 47 46 49 50 52 53 55 54 53 50 RH 39 51 59 69 69 80 56 42 44 54 67 74 80 80 58 44 48 61 73 78 83 83 Wind dir W W SW SW SW SW W W W SW SW S SW S S S S SW W W W W Wind spd 10 5 4 5 5 5 8 10 6 4 3 3 2 3 6 10 9 5 5 5 5 5 Clouds CL CL CL SC SC CL CL FW FW FW FW FW FW FW FW SC SC B1 B1 SC SC SC PoP 12hr 0 0 0 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Date 10/22 Sat 10/23/21 Sun 10/24/21 Mon 10/25/21 Tue 10/26/21 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 66 51 61 43 61 44 60 47 63 Temp 65 60 55 52 59 55 48 45 59 54 49 45 58 55 51 49 60 56 Dewpt 49 47 49 47 44 41 41 38 40 40 40 39 42 43 45 45 47 46 PWind dir NW NW NW NW NW N SE E N Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC B1 B2 B1 B1 SC FW FW FW SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 5 30 20 0 5 20 30 20 10 Rain shwrs C C S S S S C C S S $$ MDZ017-200900- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 440 PM EDT Tue Oct 19 2021 Date 10/19/21 Wed 10/20/21 Thu 10/21/21 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 77 57 78 62 Temp 72 63 61 60 60 60 72 75 75 66 63 60 59 59 69 76 75 69 69 68 65 65 Dewpt 44 47 48 48 47 48 49 49 50 52 51 51 51 51 52 53 55 56 56 56 56 57 RH 37 56 62 64 62 64 44 40 41 61 65 72 75 75 55 45 50 63 63 65 73 75 Wind dir W SW W W W W W W W S SW SW SW SW S S S SW SW SW W W Wind spd 10 5 8 6 6 6 9 9 5 4 6 6 6 6 9 10 11 12 13 11 9 6 Clouds CL CL CL SC SC SC CL FW CL CL CL FW FW FW FW FW FW SC SC B1 B1 B1 PoP 12hr 0 0 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Date 10/22 Sat 10/23/21 Sun 10/24/21 Mon 10/25/21 Tue 10/26/21 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 57 70 51 67 52 66 53 67 Temp 72 65 61 60 69 61 56 54 65 59 57 55 64 58 58 57 65 60 Dewpt 56 56 56 54 50 49 45 45 43 46 45 45 46 49 49 50 51 52 PWind dir NW N NW NW NW NE E S N Wind char LT LT GN GN LT LT GN LT GN Avg clouds SC B1 B1 B1 SC SC FW FW FW FW SC SC SC SC SC B1 SC SC PoP 12hr 20 30 20 5 0 10 20 20 10 Rain shwrs S S C C S S S S S S Tstms S $$ WVZ502-200900- Petersburg WV 38.99N 79.15W Elev. 963 ft 440 PM EDT Tue Oct 19 2021 Date 10/19/21 Wed 10/20/21 Thu 10/21/21 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 45 73 48 76 51 Temp 70 57 53 50 48 46 60 71 70 58 53 51 50 49 63 74 73 64 60 57 53 52 Dewpt 42 42 42 42 41 41 46 44 44 45 45 42 42 43 52 54 56 57 56 54 51 49 RH 36 57 66 74 77 83 60 38 39 62 74 71 74 80 67 50 55 78 87 90 93 89 Wind dir W SW SW S S S W W W SW SW SW SW S SW SW SW SW W W W W Wind spd 6 4 4 3 3 3 4 6 4 3 3 3 4 3 6 8 8 6 8 4 4 2 Clouds CL CL SC B1 SC FW FW FW FW FW FW FW SC SC FW SC B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 0 30 40 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Date 10/22 Sat 10/23/21 Sun 10/24/21 Mon 10/25/21 Tue 10/26/21 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 66 49 60 41 63 43 65 47 66 Temp 63 56 53 49 58 51 45 42 61 53 47 45 63 55 51 49 63 56 Dewpt 51 51 48 47 47 44 41 38 43 44 42 41 50 50 48 47 53 51 PWind dir W W W W W W S SW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 B2 B2 B1 SC SC SC SC SC SC B1 B1 B1 B1 B2 B1 SC PoP 12hr 10 30 20 0 10 30 40 30 20 Rain shwrs C C S S C C C C C C S S $$ MDZ014-200900- Annapolis MD 38.99N 76.49W Elev. 7 ft 440 PM EDT Tue Oct 19 2021 Date 10/19/21 Wed 10/20/21 Thu 10/21/21 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 57 75 56 76 60 Temp 71 65 62 60 59 59 67 74 73 67 64 60 57 57 67 73 74 70 68 65 63 62 Dewpt 45 46 45 46 46 47 48 49 50 50 51 52 52 51 52 54 54 55 56 56 56 55 RH 39 50 54 60 62 64 50 41 44 54 63 75 83 80 59 51 50 59 65 73 78 78 Wind dir W W W W W W W W W SW SW SW SW SW S S S S SW W W W Wind spd 10 5 5 5 5 5 10 10 6 3 5 4 4 4 6 9 10 10 12 8 6 4 Clouds CL FW CL SC B1 FW FW FW CL FW CL FW FW FW FW FW FW SC SC B1 B1 SC PoP 12hr 0 0 0 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date 10/22 Sat 10/23/21 Sun 10/24/21 Mon 10/25/21 Tue 10/26/21 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 56 65 49 63 50 62 52 63 Temp 68 64 61 58 64 59 54 51 61 58 54 52 60 58 56 54 61 58 Dewpt 53 54 53 52 48 46 44 43 42 44 45 44 44 46 48 48 49 50 PWind dir W N NW NW NW N E E N Wind char LT LT GN LT LT LT LT LT GN Avg clouds SC B1 B2 B1 B1 SC FW FW FW SC FW SC SC SC B1 B1 B1 SC PoP 12hr 10 20 20 5 5 20 30 20 10 Rain shwrs S S S S S S C C S S $$

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