THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN CASS COUNTY IN SOUTHWEST IOWA...

* UNTIL 1000 PM CDT

* AT 658 PM CDT...LAW ENFORCEMENT REPORTED FLASH FLOODING IN
ATLANTIC. THE FLASH FLOODING WAS CAUSED BY THUNDERSTORMS PRODUCING
VERY HEAVY RAIN.  THE STORMS HAD MOVED OUT OF THE WARNED AREA BUT
ADDITIONAL THUNDERSTORMS ARE POSSIBLE.