National Weather Service United States Department of Commerce

Powerful Pacific System Impacting the West; First Significant Snow for Portions of the East

Power Pacific system will continue to bring significant impacts for Pacific Northwest into northern California the remainder of the week. Dangerous coastal affects, heavy rain, flooding, strong winds, and higher elevation mountain snow continues. Meanwhile, a storm across the east is set to bring the first accumulating snow to many higher elevations of the Catskills into the central Appalachians. Read More >

April 16, 2011 Severe Weather
EF-0 TORNADO NEAR LEESBURG VA IN LOUDOUN COUNTY

LOCATION...1 MI E HUGHESVILLE VA TO LEESBURG VA
DATE...APRIL 16 2011 
ESTIMATED START TIME...712 PM EDT 
ESTIMATED END TIME...716 PM EDT
MAXIMUM EF-SCALE RATING...EF-0
MAXIMUM WIND SPEED...70 MPH
PATH WIDTH...50 YARDS
PATH LENGTH...4.2 MILES
BEGINNING LAT/LON...39.0979N / 77.6376W
ENDING LAT/LON...39.1008N / 79.5616W
* FATALITIES...NONE
* INJURIES...NONE
* 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...

RESULTS OF A DAMAGE SURVEY ALONG ROUTE 7...ROUTE 15 AND ADJACENT 
ROADWAYS SOUTH OF LEESBURG CONFIRMED A TRACK OF AN EF-0 TORNADO.
DAMAGE CONSISTED MAINLY OF SPORADIC SNAPPED TREE LIMBS AND A FEW
UPROOTED TREES IN THE NEIGHBORHOODS SURROUNDING WESTPARK GOLF
COURSE. A ROAD SIGN POST WAS PULLED FROM THE GROUND AND SNAPPED
ALONG CLUBHOUSE DRIVE.

TOWARD THE START OF THE TRACK ALONG CANBY ROAD...SEVERAL TREES WERE 
UPROOTED AND LIMBS WERE SNAPPED. SHINGLES ALSO WERE REMOVED FROM A 
HOME IN THIS VICINITY. A NOAA EMPLOYEE PROVIDED AN EYEWITNESS
ACCOUNT OF THE FUNNEL CLOUD FORMING JUST WEST OF CANBY ROAD. A
PROPERLY-SITED HOME WEATHER STATION IN THIS LOCATION MEASURED AN
UNOFFICIAL WIND GUST OF 65 MPH NEAR THE PATH OF THE DAMAGE.

TREE DAMAGE AT SECOND AVENUE AND SOUTH KING STREET LIKELY WAS THE 
RESULT OF STRAIGHT-LINE THUNDERSTORM WIND. THE TORNADO MOVED 
EASTWARD AND CROSSED ROUTE 7 AT THE DULLES GREENWAY INTERCHANGE 
BEFORE DISSIPATING.