Severe Thunderstorms and Excessive Rainfall in the Mid-Atlantic; Heat and Fire Weather Concerns in the West

Scattered strong to severe storms, excessive rainfall, and flooding are expected across parts of the Mid-Atlantic into the Northeast today. Flood Watches are in effect. Heat will continue to impact the West today. Heat advisories are in effect for portions of the Intermountain West; and Extreme Heat Warnings are in effect for portions of Arizona and southeast California. Read More >

April 27-28, 2011 Severe Weather
(19 Tornadoes in the WFO Sterling CWA)

Storm Survey Results: - Click on the location in the table for more information!

Location	Start/ End Time	Event Type	Path Length	Path Width
Stafford/Prince William Counties Southeast of Triangle	Apr. 27 6:15 pm- 6:22 pm	EF-0 Tornado 65 mph	2.0 mi	Unknown
Prince George's County 1 SE Friendly	Apr. 27 7:06 pm- 7:07 pm	EF-0 Tornado 70 mph	0.4 mi	75 yds
Prince George's County 1 N Clinton	Apr. 27 7:12 pm- 7:13 pm	EF-0 Tornado 70 mph	0.2 mi	50 yds
Prince George's County Andrews AFB and Camp Springs	Apr. 27 7:16 pm- 7:17 pm	EF-0 Tornado 70 mph	0.8 mi	100 yds
Prince William County Nokesville and Bristow	Apr. 27 10:46 pm- 11:01 pm	EF-1 Tornado 90 mph	5.8 mi	125 yds
Fairfax County Reston	Apr. 27 11:25 pm- 11:28 pm	EF-0 Tornado 80 mph	1.2 mi	75 yds
Allegany County 2N Town Creek	Apr. 28 1:27 am- 1:28 am	EF-0 Tornado 80 mph	0.5 mi	75 yds
Allegany County 3NW Green Ridge	Apr. 28 1:35 am- 1:35 am	EF-0 Tornado 80 mph	0.1 mi	75 yds
Rockingham/Shenandoah Counties Fulks Run to St. Luke	Apr. 28 2:12 am- 2:41 am	EF-2 Tornado 130 mph	33.2 mi	400 yds
Augusta Churchville	Apr. 28 2:17 am- 2:23 am	EF-1 Tornado 100 mph	4 mi	150 yds
Rockingham Linville	Apr. 28 3:01 am- 3:02 am	EF-1 Tornado 90 mph	0.9 mi	50 yds
Shenandoah/Frederick Counties NE of Strasburg to just N of Middletown	Apr. 28 3:45 am- 3:49 am	EF-0 Tornado 70 mph	4.3 mi	175 yds
Rockingham County Keezletown	Apr. 28 3:55 am- 3:58 am	EF-1 Tornado 90 mph	2.7 mi	150 yds
Montgomery County North of Poolesville	Apr. 28 6:45 am- 6:47 am	EF-0 Tornado 65 mph	0.8 mi	50 yds
Carroll County Westminster	Apr. 28 7:37 am- 7:38 am	EF-0 Tornado 65 mph	0.6 mi	50 yds
Baltimore County 2E Hampstead	Apr. 28 8:09 am- 8:11 am	EF-0 Tornado 65 mph	1.1 mi	50 yds
Baltimore County 2 WNW Hereford	Apr. 28 9:54 am- 9:54 am	EF-0 Tornado 70 mph	0.1 mi	75 yds
St. Marys County Breton Bay	Apr. 28 11:25 am- 11:29 am	EF-1 Tornado 90 mph	3.3 mi	50 yds
Calvert Lusby	Apr. 28 11:41 am- 11:43 am	EF-0 Tornado 70 mph	1.8 mi	50 yds