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Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
240 FOUS51 KLWX 191309 PFMLWX Point Forecast Matrices National Weather Service Baltimore MD/Washington DC 909 AM EDT Thu Apr 19 2018 VAZ054-192100- Reagan National Airport-Arlington VA 38.86N 77.03W Elev. 66 ft 909 AM EDT Thu Apr 19 2018 Date Thu 04/19/18 Fri 04/20/18 Sat 04/21/18 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 58 37 56 39 59 Temp 56 55 53 50 45 42 39 41 50 54 55 50 46 43 41 44 52 57 58 53 Dewpt 42 34 29 28 27 26 26 27 26 27 28 30 31 31 29 30 30 30 29 32 RH 59 45 39 42 49 53 59 57 39 35 35 46 55 62 62 57 43 35 33 44 Wind dir NW NW NW NW NW NW NW NW NW NW NW NW N NW NW NW NW NW NW NW Wind spd 20 23 23 23 19 16 14 20 18 18 16 13 11 6 6 9 9 6 10 8 Wind gust 39 39 Clouds B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW CL FW FW SC SC SC PoP 12hr 80 5 0 0 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Date Sun 04/22/18 Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 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 42 63 44 64 45 63 51 65 Temp 46 47 61 56 48 49 62 57 49 49 61 59 54 54 64 60 Dewpt 33 33 34 36 34 37 37 37 37 41 44 45 46 48 51 51 PWind dir N E SE E SE E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 0 0 0 5 30 50 70 60 Rain shwrs C C C C L L L L $$ MDZ013-192100- Baltimore/Washington Airport-Anne Arundel MD 39.19N 76.67W Elev. 154 ft 909 AM EDT Thu Apr 19 2018 Date Thu 04/19/18 Fri 04/20/18 Sat 04/21/18 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 56 36 55 37 58 Temp 54 53 51 49 44 41 38 40 49 53 54 48 44 41 40 42 51 56 57 52 Dewpt 42 37 29 27 26 25 25 25 25 27 27 27 29 29 28 29 29 29 29 30 RH 64 54 42 42 49 52 59 55 39 36 35 44 55 62 62 60 42 35 34 43 Wind dir W NW NW NW NW NW NW NW NW NW NW NW N NW NW NW NW NW NW NW Wind spd 11 20 20 17 14 12 12 12 14 13 14 10 8 4 6 5 8 6 8 3 Wind gust 21 37 36 31 26 23 23 23 26 25 26 Clouds OV B2 B2 SC FW FW FW FW FW FW FW FW FW FW CL FW FW SC SC SC PoP 12hr 70 5 0 0 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Date Sun 04/22/18 Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 41 61 41 64 43 64 49 64 Temp 45 46 59 54 46 46 62 56 48 48 62 58 52 52 63 58 Dewpt 32 31 32 33 33 35 35 35 36 39 42 44 44 47 51 50 PWind dir N N SE E SE E E E Wind char LT LT LT LT LT LT GN LT Avg clouds SC SC FW FW FW FW FW SC SC SC B1 B2 B2 B2 B2 B2 PoP 12hr 0 0 0 5 20 40 60 60 Rain shwrs S S C C L L L L $$ MDZ011-192100- Baltimore Inner Harbor-Baltimore City MD 39.28N 76.61W Elev. 20 ft 909 AM EDT Thu Apr 19 2018 Date Thu 04/19/18 Fri 04/20/18 Sat 04/21/18 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 56 36 55 37 58 Temp 54 53 52 48 43 40 38 40 49 53 54 48 44 41 40 42 51 56 57 52 Dewpt 40 35 28 28 26 25 25 25 25 27 27 27 29 29 29 28 29 30 29 31 RH 59 50 39 46 51 55 59 55 39 36 35 44 55 62 64 57 42 37 34 44 Wind dir W NW NW NW NW NW NW NW NW NW NW NW N NW NW NW NW NW NW NW Wind spd 20 23 23 19 18 14 14 13 14 13 14 10 8 4 6 5 6 5 8 2 Wind gust 39 39 35 33 26 26 25 26 25 26 Clouds OV B2 B2 SC FW FW FW CL FW FW FW FW FW FW CL FW FW SC SC SC PoP 12hr 60 5 0 0 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L Date Sun 04/22/18 Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 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 61 42 64 44 64 49 64 Temp 45 46 59 54 46 47 62 57 49 49 62 58 52 52 63 59 Dewpt 33 31 32 34 33 35 35 35 36 39 42 44 44 47 50 50 PWind dir N N E E SE SE E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW SC SC SC B1 B2 B2 B2 B2 OV PoP 12hr 0 0 0 5 20 40 60 60 Rain shwrs S S C C L L L L $$ WVZ052-192100- Martinsburg Airport-Berkeley WV 39.41N 77.98W Elev. 558 ft 909 AM EDT Thu Apr 19 2018 Date Thu 04/19/18 Fri 04/20/18 Sat 04/21/18 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 52 33 54 34 58 Temp 51 51 50 46 41 38 36 38 47 52 52 47 42 39 37 40 50 56 56 49 Dewpt 39 31 28 25 24 23 23 25 25 27 28 27 28 27 26 28 29 29 29 30 RH 63 46 42 43 50 54 59 59 42 38 39 45 57 62 64 62 44 35 35 48 Wind dir NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW N Wind spd 19 25 24 17 16 12 11 13 16 14 16 10 6 4 5 4 6 4 6 3 Wind gust 35 46 43 31 28 23 25 28 26 28 Clouds B1 B1 B1 SC FW FW FW FW CL FW FW FW CL FW CL FW FW SC SC SC PoP 12hr 50 5 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Freeze A A A Date Sun 04/22/18 Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 35 61 38 64 41 62 46 63 Temp 40 41 59 52 43 44 62 55 46 46 60 56 50 50 61 57 Dewpt 29 32 35 36 33 35 39 38 34 37 42 44 42 44 48 48 PWind dir N E E SE SE SE E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 OV OV PoP 12hr 0 5 0 5 30 50 60 50 Rain shwrs C C C C L L C C $$ VAZ506-192100- Washington Dulles Airport-Loudoun VA 38.96N 77.45W Elev. 321 ft 909 AM EDT Thu Apr 19 2018 Date Thu 04/19/18 Fri 04/20/18 Sat 04/21/18 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 56 34 56 36 59 Temp 54 53 51 48 43 39 37 39 49 54 54 49 44 41 39 41 51 57 57 52 Dewpt 41 33 28 26 25 24 24 25 26 28 28 28 30 29 28 29 29 29 29 31 RH 61 46 41 42 49 54 59 57 40 36 36 44 57 62 64 62 42 34 34 44 Wind dir NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW N Wind spd 14 23 24 18 16 11 11 13 16 14 16 11 8 4 5 5 6 4 6 3 Wind gust 26 41 43 33 28 25 28 26 28 Clouds B1 B1 B1 SC FW FW FW CL FW FW FW FW CL FW CL FW FW SC SC SC PoP 12hr 80 5 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Freeze A A A Date Sun 04/22/18 Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 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 62 42 65 44 63 49 64 Temp 44 45 60 55 47 47 63 57 49 48 61 58 52 52 63 58 Dewpt 32 33 35 37 35 37 37 37 36 39 43 45 45 47 50 50 PWind dir N E SE SE SE E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 0 0 0 10 30 50 70 60 Rain shwrs C C C C L L L L $$ VAZ037-192100- Charlottesville Airport-Albemarle VA 38.14N 78.45W Elev. 640 ft 909 AM EDT Thu Apr 19 2018 Date Thu 04/19/18 Fri 04/20/18 Sat 04/21/18 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 60 34 60 36 64 Temp 58 58 55 50 44 40 37 40 51 58 58 51 45 42 39 42 55 61 62 55 Dewpt 38 29 26 25 25 24 23 23 24 26 26 26 28 28 27 29 30 31 30 32 RH 47 33 32 37 47 52 56 50 34 29 29 37 51 57 62 60 38 32 30 41 Wind dir W NW NW NW NW NW NW NW NW NW NW N N N NW NW N N NE E Wind spd 16 19 18 11 8 6 6 8 10 10 11 8 5 2 3 2 2 2 3 3 Wind gust 28 35 34 Clouds B1 SC SC FW CL FW CL CL CL CL CL CL CL CL CL FW FW FW FW SC PoP 12hr 70 5 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Freeze A A A Date Sun 04/22/18 Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 40 64 41 65 43 62 48 65 Temp 46 46 62 55 46 47 63 57 48 47 60 57 51 52 63 59 Dewpt 31 33 37 39 36 38 38 39 36 39 44 45 44 46 49 50 PWind dir NE E E E E E NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 0 5 5 20 50 60 70 50 Rain shwrs S S C C L L L L C C $$ MDZ003-192100- Hagerstown Airport-Washington MD 39.71N 77.73W Elev. 705 ft 909 AM EDT Thu Apr 19 2018 Date Thu 04/19/18 Fri 04/20/18 Sat 04/21/18 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 50 32 52 33 56 Temp 48 48 47 43 39 36 34 37 45 50 50 45 40 37 36 38 48 54 54 49 Dewpt 39 31 27 25 24 23 23 25 25 27 28 27 27 26 25 27 29 28 29 30 RH 71 51 45 49 54 59 64 61 45 41 42 49 59 64 64 64 47 36 38 48 Wind dir NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW Wind spd 17 25 24 18 16 12 12 13 17 14 17 11 8 4 5 4 6 5 8 4 Wind gust 31 44 43 33 28 23 23 25 31 26 31 Clouds B1 B1 B2 B1 SC FW FW FW FW FW FW FW CL FW CL FW FW SC SC SC PoP 12hr 50 5 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Freeze A A A Date Sun 04/22/18 Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 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 36 60 39 62 42 61 47 61 Temp 41 42 58 52 44 44 60 55 47 46 59 56 50 50 60 55 Dewpt 29 31 33 34 32 34 38 37 33 36 41 42 42 44 47 48 PWind dir N W E SE SE SE E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW SC SC SC SC B1 B2 B2 B2 B2 B2 PoP 12hr 0 0 0 5 20 40 60 50 Rain shwrs S S C C L L C C $$ MDZ017-192100- Patuxent River NAS MD 38.29N 76.41W Elev. 39 ft 909 AM EDT Thu Apr 19 2018 Date Thu 04/19/18 Fri 04/20/18 Sat 04/21/18 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 58 38 57 43 58 Temp 54 55 55 52 47 43 40 42 51 55 56 52 48 46 45 46 53 57 57 54 Dewpt 44 39 34 32 30 28 27 28 28 29 30 32 33 33 32 32 32 32 32 34 RH 69 55 45 46 51 55 59 57 41 37 37 46 56 60 60 58 44 38 38 46 Wind dir NW NW NW NW NW NW NW NW NW NW NW NW N N N N N NW N S Wind spd 20 23 24 21 21 19 19 17 16 13 13 11 10 8 10 9 9 6 4 2 Wind gust 39 39 39 39 35 35 31 28 25 25 Clouds B2 B2 B1 SC FW FW CL CL CL FW FW FW FW FW CL FW FW SC SC SC PoP 12hr 80 5 0 0 0 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L Date Sun 04/22/18 Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 61 44 63 47 63 52 65 Temp 49 49 60 55 48 48 61 57 51 51 62 59 55 55 64 60 Dewpt 37 36 35 36 39 39 38 38 40 44 45 46 48 50 53 52 PWind dir W NE SE E E E E E Wind char LT LT LT LT GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 0 0 0 5 30 50 70 60 Rain shwrs C C C C L L L L $$ WVZ502-192100- Petersburg WV 38.99N 79.15W Elev. 963 ft 909 AM EDT Thu Apr 19 2018 Date Thu 04/19/18 Fri 04/20/18 Sat 04/21/18 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 53 33 53 33 60 Temp 47 47 47 44 40 37 35 38 46 51 51 46 41 38 36 39 51 58 58 52 Dewpt 32 28 27 26 24 23 22 24 24 27 28 27 28 26 25 26 28 29 30 30 RH 56 47 45 49 52 56 59 57 42 39 41 47 59 62 64 59 41 33 34 43 Wind dir W NW NW NW NW NW NW NW NW NW NW NW NW NW NW W NW N N N Wind spd 19 23 19 13 12 8 9 9 11 11 12 8 5 1 3 2 3 2 5 3 Wind gust 35 40 35 25 23 23 Clouds B2 B2 B1 SC FW SC FW FW FW FW CL FW FW FW FW FW FW SC SC SC PoP 12hr 70 20 0 0 0 QPF 12hr 0.02 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S Snowshwrs S S S S Date Sun 04/22/18 Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 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 38 63 40 64 43 61 47 62 Temp 43 44 61 54 45 46 62 56 48 47 59 56 50 50 61 56 Dewpt 29 32 38 40 36 38 41 40 35 37 43 45 43 45 48 48 PWind dir N E SE SE SE SE SE S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC B1 B1 B1 B2 B2 B2 OV OV PoP 12hr 0 5 5 20 40 60 60 50 Rain shwrs S S C C L L L L C C $$ MDZ014-192100- Annapolis MD 38.99N 76.49W Elev. 7 ft 909 AM EDT Thu Apr 19 2018 Date Thu 04/19/18 Fri 04/20/18 Sat 04/21/18 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 57 37 56 39 58 Temp 53 54 52 49 44 41 39 41 50 54 55 50 46 43 41 43 52 56 57 52 Dewpt 41 36 31 30 28 27 27 27 26 28 29 30 31 30 30 30 30 32 31 32 RH 64 50 44 48 53 57 62 57 39 36 37 46 55 60 65 60 43 40 37 46 Wind dir NW NW NW NW NW NW NW NW NW NW NW NW N N N N NW NW NW NW Wind spd 11 18 18 18 16 13 14 14 14 13 13 11 10 5 8 6 8 6 6 3 Wind gust 21 33 34 33 28 25 26 26 26 25 25 Clouds OV B2 B2 SC FW FW CL CL FW FW FW FW FW FW CL FW FW SC SC SC PoP 12hr 80 5 0 0 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L Date Sun 04/22/18 Mon 04/23/18 Tue 04/24/18 Wed 04/25/18 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 60 43 63 45 63 50 64 Temp 46 47 58 54 47 48 61 56 49 49 61 58 53 53 63 59 Dewpt 34 32 34 34 35 37 36 37 37 40 43 45 46 48 51 51 PWind dir N NW SE E SE E E E Wind char LT LT LT LT LT GN GN GN Avg clouds SC SC FW FW FW FW FW SC SC SC B1 B2 B2 B2 B2 B2 PoP 12hr 0 0 0 5 20 40 60 60 Rain shwrs S S C C L L L L $$
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