Full Notification

SVRDMX The National Weather Service in Des Moines has issued a

* Severe Thunderstorm Warning for... Northwestern Lucas County in south central Iowa... Polk County in central Iowa... Northwestern Decatur County in south central Iowa... Story County in central Iowa... Eastern Madison County in south central Iowa... Eastern Union County in south central Iowa... Southeastern Boone County in central Iowa... Clarke County in south central Iowa... Eastern Dallas County in central Iowa... Warren County in south central Iowa...

* Until 515 PM CDT.

* At 410 PM CDT, severe thunderstorms were located along a line extending from 4 miles west of Granger to near Grand River, moving northeast at 60 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... Des Moines, Ames, West Des Moines, Ankeny, Urbandale, Johnston, Clive, Indianola, Altoona, Waukee, Norwalk, Pleasant Hill, Grimes, Nevada, Winterset, Osceola, Adel, Windsor Heights, Carlisle, and Bondurant. This includes the following highways... Interstate 35 between mile markers 27 and 72, and between mile markers 87 and 126. Interstate 80 between mile markers 109 and 149. Interstate 235 between mile markers 1 and 14.

* AFFECTED AREAS: BOONE, IA ... CLARKE, IA ... DALLAS, IA ... DECATUR, IA ... LUCAS, IA ... MADISON, IA ... POLK, IA ... STORY, IA ... UNION, IA ... WARREN, IA

Instructions:

Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. A Tornado Watch remains in effect until 900 PM CDT for central and south central Iowa.