572 WWUS83 KDMX 031859 SPSDMX Special Weather Statement National Weather Service Des Moines IA 159 PM CDT MON JUL 3 2017 IAZ061-062-032000- Poweshiek IA-Jasper IA- 159 PM CDT MON JUL 3 2017 ...ISOLATED STRONG STORMS DEVELOPING OVER CENTRAL IOWA... At 155 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms just south of Interstate 80 over Jasper and Poweshiek Counties. These storms were moving very slow to east around 10 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Grinnell, Montezuma, Brooklyn, Rock Creek Lake, Victor, Sully, Kellogg, Lynnville, Malcom, Deep River, Barnes City, Oakland Acres, Searsboro, Guernsey, Grinnell Regional Airport and Rock Creek State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with these storms, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. If on central Iowa lakes, get out of the water and move indoors or inside a vehicle. Remember, lightning can strike out to 10 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm. && LAT...LON 4151 9297 4176 9297 4176 9230 4151 9230 TIME...MOT...LOC 1857Z 272DEG 10KT 4160 9272 $$ MF