April 27-28, 2011 Severe Weather

Thunderstorms in the Mid-Mississippi Valley and Florida; Fire Weather Concerns in the Northern Plains

Isolated severe storms capable of hail and gusty winds are possible mainly this evening across portions of the mid-Mississippi Valley. Clusters of thunderstorms may produce isolated flash flooding in the Florida peninsula. Elevated fire weather risk is possible in the Northern Plains into western Minnesota. Read More >

...EF-0 TORNADO CONFIRMED IN GREEN RIDGE MARYLAND... LOCATION...3 MI NORTHWEST OF GREEN RIDGE IN ALLEGANY COUNTY MARYLAND DATE...APRIL 28 2011 ESTIMATED TIME...1:35 AM TO 1:35AM EDT MAXIMUM EF-SCALE RATING...EF-0 MAXIMUM WIND SPEED...80 MPH MAXIMUM PATH WIDTH...75 YARDS LENGTH...0.1 MILES BEGINNING LAT/LON...39.601N / 78.479W ENDING LAT/LON...39.602N / 78.477W * 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... A BRIEF TORNADO OCCURRED IN GREEN RIDGE STATE FOREST. DAMAGE WAS FOUND ALONG A SWITCHBACK ON MERTENS RD BETWEEN STAFFORD AND EAST VALLEY ROADS. NUMEROUS TREES WERE UPROOTED AND/OR TOPPED IN A SMALL AREA OF MERTENS ROAD. TREE CANOPIES SHOWED EVIDENCE OF CONVERGENT FLOW NEAR THE DAMAGE TRACK. THIS TORNADO HAS BEEN RATED EF-0 WITH MAX WINDS ESTIMATED AT 80 MPH AND A WIDTH OF 75 YARDS. THE TOUCHDOWN TIME IS BASED UPON RADAR. DUE TO THE REMOTE AND RUGGED NATURE OF THE TERRAIN...THE DAMAGE TRACK COULD POSSIBLY EXTEND FARTHER ALONG EITHER END OF THE PATH.