Severe Weather - May 3-5, 2010

Areas of Extreme Heat and Fire Weather in the West; Refreshingly Cooler Further East

Extreme heat will continue across the Pacific Northwest into midweek before finally waning. Hot temperatures, low relative humidity, gusty winds, and isolated dry thunderstorms will bring critical fire weather into Tuesday. A refreshingly cool air mass has settled into much of the eastern two-thirds of the Rockies through the week. Read More >

PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 154 PM EDT SAT MAY 8 2010 ...STORM DAMAGE SURVEY COMPLETED FOR DARKE AND MIAMI COUNTIES... A NATIONAL WEATHER SERVICE STORM SURVEY COMPLETED SATURDAY MORNING DETERMINED THAT THE DAMAGE REPORTED ACROSS DARKE AND MIAMI COUNTIES FROM THUNDERSTORMS FRIDAY EVENING MAY 7TH WERE THE RESULT OF STRAIGHT LINE WINDS AND NOT A TORNADO. ANALYSIS OF THE DAMAGE...WHICH INCLUDED NUMEROUS DOWNED TREES AND SEVERAL BARNS WHICH WERE DESTROYED...AND REPORTS FROM SPOTTERS IN THE AREA CONFIRMED THAT THE DAMAGE FIT THE CHARACTERISTICS OF THAT CAUSED BY STRAIGHT LINE WINDS. IN ADDITION...RADAR DATA FROM THE NATIONAL WEATHER SERVICE IN WILMINGTON SHOWED NO INDICATION OF SIGNIFICANT ROTATION WITHIN THE THUNDERSTORM. THE STORMS MOVING IN EXCESS OF 60 MPH...COUPLED WITH AN ENVIRONMENT SUPPORTIVE OF SIGNIFICANT WIND GUSTS...LIKELY WERE THE MAIN CONTRIBUTORS TO THE PATH OF WIND DAMAGE SURVEYED SATURDAY MORNING. BASED ON THE DAMAGE AND RADAR DATA...WINDS WERE ESTIMATED TO BE AROUND 70 MPH. THE MOST CONCENTRATED AREA OF DAMAGE EXISTED ALONG A LINE FROM NEW MADISON AND ARCANUM IN DARKE COUNTY...INTO AREAS FROM PLEASANT HILL TO TROY IN MIAMI COUNTY. THIS DAMAGE LIKELY OCCURRED BETWEEN 840 PM AND 915 PM FRIDAY EVENING. $$ BINAU/MJP