310 AM CDT Tue Oct 1 2019

…HEAVY RAIN AND FLASH FLOOD POTENTIAL TODAY INTO WEDNESDAY…

Widespread moderate to heavy rain is expected much of central Iowa today into early Wednesday. The rain has begin across northwest and north central Iowa early this morning, with the showers and storms expected to gradually spread southeast across Iowa today into tonight. Repeated rounds of rainfall may lead to widespread heavy rainfall totals and flash flooding. Many locations are already saturated from recent heavy rainfall over the past week. These wet soil conditions combined with increased runoff from post-mature croplands will increase the threat of flash flooding as well.

Sac-Crawford-Carroll-Audubon-Guthrie-Dallas-Cass-Adair-Adams-Taylor Counties…A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING…

* Widespread rainfall of 1 to 2 inches with areas of 2 to 3 inches expected. Locally heavier amounts in excess of 3 inches may occur by early Wednesday. Rain rates may exceed 1 to 2 inches per hour at times today into tonight.

* Low water crossings may become flooded, especially on secondary roads. Smaller streams may have rapid rises. Water may pond on roads and in fields. Urban areas may see significant ponding of water.

Madison-Union-Ringgold Counties…A FLASH FLOOD WATCH IS NOW IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH WEDNESDAY MORNING…Widespread rainfall of 1 to 2 inches with areas of 2 to 4 inches expected. Locally heavier amounts in excess of 4 inches may occur by early Wednesday. Rain rates may exceed 2 inches per hour at times this afternoon through tonight.

Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-
Page Counties...A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY MORNING…

* Multiple rounds of heavy rainfall producing storms will affect the area today into tonight, elevating the risk for flash flooding. Widespread rainfall amounts of 1 to 3 inches is likely with localized amounts up to 4 to 6 inches.

* Rapid rises of rivers, streams, and low water crossings could occur. Urbanized and poor drainage areas could be particularly impacted by floodwater. Roadways could become flooded.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION. You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.