April 27-28, 2011 Severe Weather

Air Quality Concerns; Fire Weather; Extreme Heat; Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin. Heavy rainfall and flash flooding possible for the Southeast through Monday. For Hawaii, gusty trade winds a drier weather could result in any fires that start to spread rapidly. Read More >

...EF-0 TORNADO CONFIRMED NEAR HEREFORD MARYLAND... LOCATION...NORTHERN BALTIMORE COUNTY...2 MILES WEST-NW OF HEREFORD DATE...APRIL 28 2011 ESTIMATED TIME...9:54 AM TO 9:54 AM EDT MAXIMUM EF-SCALE RATING...EF-0 MAXIMUM WIND SPEED...70 MPH MAXIMUM PATH WIDTH...75 YARDS LENGTH...0.1 MILES BEGINNING LAT/LON...39.598N / 76.705W ENDING LAT/LON...39.599N / 76.704W * 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... BASED UPON RESULTS FROM AN AERIAL SURVEY CONDUCTED BY BALTIMORE COUNTY...THE NATIONAL WEATHER SERVICE HAS DETERMINED AN EF-0 TORNADO TOUCHED DOWN BRIEFLY JUST NORTH OF EVNA ROAD IN A HEAVILY WOODED AREA. DAMAGE WAS LIMITED TO TREES...NO STRUCTURES WERE IMPACTED. THE TORNADO SNAPPED AND UPROOTED ABOUT TWO DOZEN TREES AND DOWNED LARGE BRANCHES. THE TORNADO DAMAGE HAS BEEN RATED EF-0 WITH MAX WINDS OF 75 MPH...PATH WIDTH OF 75 YARDS AND WAS ON THE GROUND FOR NO MORE THAN ONE MINUTE.