The National Weather Service in Des Moines  has issued a

* Severe Thunderstorm Warning for...
  Northeastern Marion County in south central Iowa...
  Northwestern Mahaska County in south central Iowa...
  Southern Jasper County in central Iowa...

* Until 515 PM CDT.

* At 430 PM CDT, a severe thunderstorm was located over Prairie City,
  or 10 miles southwest of Newton, moving southeast at 35 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...
  Newton, Pella, Colfax, Monroe, Prairie City, Lake Red Rock, Iowa
  Speedway, Sully, Lynnville, Harvey, Lambs Grove, Reasnor, Pella
  Municipal Airport, Prairie City Krohn Airport, Elk Rock State Park
  and Newton Municipal Airport.

This includes Interstate 80 between mile markers 155 and 175.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.