PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
103 PM CDT WED JUN 2 2010

…PRELIMINARY DAMAGE SURVEY RESULTS FOR RINGGOLD COUNTY IOWA…

ADDITIONAL DETAILS OF THE STORM SURVEY INVESTIGATION…ALONG WITH A TRACK MAP…SHOULD BE AVAILABLE LATE THIS AFTERNOON OR THIS EVENING.

…A SHORT TRACK EF-2 TORNADO OCCURRED IN SOUTHERN IOWA TUESDAY…

THE FOLLOWING IS A PRELIMINARY ASSESSMENT FOR THE DAMAGE THAT OCCURRED OVER RINGGOLD COUNTY, IOWA ON JUNE 1ST, 2010.

* EVENT DATE: JUNE 1ST, 2010

* ESTIMATED START TIME: 508 PM CDT

* EVENT TYPE: EF-2 TORNADO

* EVENT LOCATION: 7 MILES NORTH OF MOUNT AYR, IOWA OR ABOUT 3 MILES SOUTHWEST OF TINGLEY, IOWA

* PEAK WIND: ESTIMATED NEAR 130 MPH BASED UPON THE DAMAGE.

* AVERAGE PATH WIDTH: 100-250 YARDS

* PATH LENGTH: APPROXIMATELY 1.5 MILES

* INJURIES: NONE

* FATALITIES: NONE

* DISCUSSION/DAMAGE: BASED UPON EXTENSIVE DESTRUCTION TO A 400 FOOT LONG METAL CATTLE BARN ON THE WEST SIDE OF HIGHWAY 169…THE NWS DAMAGE SURVEY TEAM HAS DETERMINED THAT THE MAXIMUM DAMAGE RATING FOR THIS TORNADO IS EF-2. OTHER BUILDINGS ON THE LARGE FARM SITE…INCLUDING THE HOME…RECEIVED WIDESPREAD BUT LESS SEVERE DAMAGE. THERE WAS LITTLE EVIDENCE OF A TORNADO TRACK SOUTHWEST OF THIS SITE…AND AN INTERMITTENT TRACK AS THE TORNADO TURNED NORTH CROSSING 160TH STREET. ANOTHER FARM SITE WAS HIT ON THE EAST SIDE OF HIGHWAY 169 BETWEEN 150TH AND 160TH STREET…CAUSING AT MAXIMUM EF-1 DAMAGE AT THAT SITE. THE TRACK APPARENTLY DID NOT CROSS NORTH OF 150TH STREET…CONSISTENT WITH SPOTTER REPORTS THAT THE TORNADO LIFTED QUICKLY. THE ESTIMATED PATH LENGTH FROM THE SURVEY IS APPROXIMATELY 1.5 MILES.