National Weather Service United States Department of Commerce

Dangerous Heat in the Northeast and Northwest U.S.; Areas of Excessive Rainfall In the Ohio Valley and Southwest

Dangerous heat will continue to impact portions of the Northwest and Northeast U.S. through this evening. Monsoon showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Great Basin this week. A slow moving cold front will bring heavy thunderstorms which may produce excessive rainfall over the Ohio Valley and Mid-Atlantic through Wednesday. Read More >

Wolfsville EF-0

...TORNADO CONFIRMED NEAR WOLFSVILLE IN FREDERICK COUNTY MD...

LOCATION...WOLFSVILLE IN FREDERICK COUNTY MD
DATE...17 MAY 2011
ESTIMATED TIME...535 PM TO 539 PM EDT
MAXIMUM EF-SCALE RATING...EF0
ESTIMATED MAXIMUM WIND SPEED...75 MPH 
MAXIMUM PATH WIDTH...50 YARDS 
PATH LENGTH...1.1 MILES 
BEGINNING LAT/LON...39.590N / 77.539W 
ENDING LAT/LON...39.603N / 77.551W
* FATALITIES...0
* INJURIES...0

* THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENT(S) AND PUBLICATION IN NWS
STORM DATA.

...SUMMARY...
BASED ON A GROUND SURVEY CONDUCTED BY THE NATIONAL WEATHER SERVICE
IN BALTIMORE MD/WASHINGTON DC AND EYEWITNESS REPORTS...A TORNADO
HAS BEEN CONFIRMED NEAR WOLFSVILLE IN FREDERICK COUNTY MD ON 17
MAY 2011.

DIRECT WIND DAMAGE ALONG THE TRACK CONSISTED PRIMARILY OF SNAPPED
OR UPROOTED TREES AND SNAPPED LIMBS. THE TRACK BEGAN SOUTH-
SOUTHEAST OF THE INTERSECTION OF FOREST SCHOOL ROAD AND
BRANDENBURG HOLLOW ROAD AND ENDED SOUTHWEST OF THE INTERSECTION OF
GARFIELD ROAD AND JOHN CLINE ROAD. MINOR SHINGLE DAMAGE WAS NOTED
TO TWO STRUCTURES. SIDING PARTIALLY WAS REMOVED FROM A SINGLE-
FAMILY HOME...WHERE A BACKYARD PLAY CENTER THAT HAD BEEN BOLTED TO
THE GROUND WAS SNAPPED FROM ITS MOORINGS AND ROLLED. DAMAGE WAS
CONSISTENT WITH MAXIMUM WIND GUSTS OF 75 MPH...RATING THIS TORNADO
EF-0 ON THE ENHANCED FUJITA SCALE.

APPRECIATION IS EXTENDED TO THE PUBLIC FOR THEIR ASSISTANCE AND
COOPERATION DURING THE DAMAGE SURVEY.