April 27-28, 2011 Severe Weather

Life-Threatening Flash Flooding in South Central Texas; Heat Continues from the Northern Plains to the Mid-Atlantic

Life-threatening and locally catastrophic flash and urban flooding is expected across portions of south-central Texas through early Friday, with significant river flooding and rapid rises on small streams, arroyos, and typically dry washes expected. A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek. 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.