Severe Thunderstorm Warning
Issued by NWS Des Moines, IA

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WUUS53 KDMX 062035

Severe Thunderstorm Warning
National Weather Service Des Moines IA
335 PM CDT Thu Aug 6 2020

The National Weather Service in Des Moines  has issued a

* Severe Thunderstorm Warning for...
  Northwestern Polk County in central Iowa...
  Southwestern Story County in central Iowa...
  Southeastern Boone County in central Iowa...
  Northeastern Dallas County in central Iowa...

* Until 415 PM CDT.

* At 334 PM CDT, a severe thunderstorm was located over Big Creek
  Lake, or 8 miles north of Johnston, moving southeast at 15 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Ankeny, Johnston, Polk City, Saylorville, Madrid, Slater, Granger,
  Saylorville Lake, Big Creek Lake, Alleman, Sheldahl and Big Creek
  State Park.

This includes Interstate 35 between mile markers 97 and 102.


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

Nearly continuous cloud to ground lightning is occurring with this
storm. Move indoors immediately. Lightning is one of nature`s
leading killers. Remember, if you can hear thunder, you are close
enough to be struck by lightning.

Torrential rainfall is occurring with this storm. Do not drive your
vehicle through flooded roadways.


LAT...LON 4165 9369 4182 9391 4194 9379 4185 9350
TIME...MOT...LOC 2034Z 304DEG 14KT 4181 9375



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