838 PM CDT FRI JUN 20 2014 THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN MILLS COUNTY IN SOUTHWEST IOWA... SOUTHEASTERN SHELBY COUNTY IN SOUTHWEST IOWA... NORTHWESTERN MONTGOMERY COUNTY IN SOUTHWEST IOWA... POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA... * UNTIL 930 PM CDT * AT 837 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR WALNUT TO NEAR OAKLAND TO NEAR COUNCIL BLUFFS...MOVING SOUTHEAST AT 20 MPH. HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. SOURCE...RADAR INDICATED. IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO ROOFS...SIDING AND TREES. * LOCATIONS IMPACTED INCLUDE... COUNCIL BLUFFS...OAKLAND...AVOCA...TREYNOR...UNDERWOOD...CARSON... WALNUT...ELK HORN...MACEDONIA...CRESCENT...SILVER CITY...HANCOCK... HENDERSON...HASTINGS...MCCLELLAND...NARROWS RIVER PARK...ELK HORN CREEK RECREATION AREA...OLD TOWN PARK...PRAIRIE ROSE STATE PARK AND FARM CREEK PUBLIC WILDLIFE AREA. THIS INCLUDES THE FOLLOWING HIGHWAYS... HIGHWAY 34 IN IOWA BETWEEN MILE MARKERS 17 AND 20. HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 34 AND 64. INTERSTATE 29 BETWEEN MILE MARKERS 47 AND 48...AND BETWEEN MILE MARKERS 55 AND 58. INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 4 AND 17...AND BETWEEN MILE MARKERS 40 AND 48. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING.