Thunderstorms developed ahead of an advancing cold front. The cold front was located over eastern Nebraska, however the line of thunderstorms was well ahead of the front.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS DMX wrote it up.
Thunderstorms developed ahead of an advancing cold front. The cold front was located over eastern Nebraska, however the line of thunderstorms was well ahead of the front. During the late afternoon and evening, the storms intensified and produced heavy rain and some hail. Dime size hail occurred with one of the strongest storms in southeast Davis County, southeast of Pulaski. Four inches of rain fell west of Seymour in Wayne County. A narrow band of 2 to 4 inch rainfall occurred from southern Wayne County, through southern Appanoose, into central Davis County. Minor ponding of water occurred with the storms.
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
Spotter reported 4.00 inches of rain from the afternoon on the 10th through the evening and overnight hours of the 10th into the 11th.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 2010Every state in 2010This day in weather historyWarnings in Iowa, September 2010
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 249171.