Flood warning, flash flood watch until 2 a.m. Tuesday for west central Iowa

'When encountering flooded roads, make the smart choice: Turn around. Don't drown,' NWS urges

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Flood warning and flash flood watch issued for Perry area until 2 a.m. Tuesday.

Sunday night’s torrential rains have led the National Weather Service in Des Moines (NWS) to issue a flood warning and a flood watch until 2 a.m. Tuesday for the Perry area and much of west central Iowa.

NWS issues flood warning until 2 a.m. Tuesday

The NWS has issued a flood warning until 2 a.m. Tuesday for northern Dallas County, northern Guthrie County, Greene County, Boone County, southeastern Carroll County and northern Audubon County. The flood warning replaces the flash flood warnings previously issued.

At 2 a.m. Emergency Management reported flooding in many places across the region, the hardest hit being southern Greene County, northern Guthrie County and southeastern Carroll County.

Water over the roadway has led to the closure of Iowa Highway 141 near Coon Rapids, Iowa Highway 4 near Coon Rapids and Iowa Highway 25 near Bagley. The Middle Raccoon River near Bayard is also rising quickly.

Cities expecting flooding include Perry, Boone, Carroll, Jefferson, Audubon, Madrid, Ogden, Coon Rapids, Granger, Glidden, Woodward, Lake Panorama, Boone Sppedway, Grand Junction, Scranton, Bayard, Churdan, Minburn, Templeton and Bagley.

A flood warning means flooding is imminent or has been reported. Stream rises will be slow, and flash flooding is not expected, but people should immediately take necessary precautions.

Most flood deaths occur in automobiles. Never drive into areas where water covers the roadway. Floods are usually deeper than they appear. Just one foot of flowing water is powerful enough to sweep vehicles off the roadway.

Be especially cautious at night when it is harder to recognize the dangers of flooding. If you see a flood, act quickly and move to higher ground to escape the flood waters. Do not stay in places subject to flooding when water begins rising.

 

NWS issues flood watch until 2 a.m. Tuesday

At 4:21 a.m. Monday, Sept. 7 the National Weather Service in Des Moines issued a flood watch until Tuesday morning for the following Iowa counties: Dallas, Greene, Boone, Story, Marshall, Tama, Audubon, Guthrie, Polk, Jasper, Poweshiek, Cass, Adair, Madison, Warren and Marion and including the cities of Perry, Jefferson, Boone, Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Audubon, Exira, Guthrie Center, Panora, Bayard, Casey, Waukee, Adel, Des Moines, Newton, Grinnell, Atlantic, Greenfield, Stuart, Adair, Fontanelle, Winterset, Earlhaim, Knoxville, Indianola, Norwalk, Carlisle and Pella.

Additional heavy rains are likely over central and southern Iowa through tonight and into Tuesday, according to the NWS.

A flash flood watch is now in effect from Monday evening through Tuesday morning. The previously issued early-morning flood watch has been canceled.

The flash flood watch covers portion of central, south central, southwest and west central Iowa, including the following central Iowa counties: Boone, Dallas, Jasper, Marshall, Polk, Poweshiek, Story and Tama; south central Iowa counties: Madison, Marion and Warren; southwest Iowa counties: Adair and Cass; and west central Iowa counties: Audubon, Greene and Guthrie.

The immediate threat of heavy rains has ended for the time being, according to the NWS, so the previously issued early-morning flash flood watch has been canceled, but the overall flash flooding potential has not ended.

More showers and thunderstorms with heavy rains are expected again tonight. Localized rainfall amount might reach one to two inches. With soils already saturated in many areas, more flash flooding could quickly develop. Areas along the border between Guthrie and Greene counties have already seen six to seven inches of rainfall overnight.

The heavy rainfall might lead to flash flooding due to rapid rises along small streams and creeks. Significant urban ponding and water flowing over rural roads might also occur. Very serious flash flooding might develop or redevelop in places where Sunday night’s torrential rainfall was seen.

The hazardous weather outlook says thunderstorms are possible during the day on Monday, becoming more likely Monday night and into Tuesday. A few storms might be severe, with strong winds and hail the primary threats. The more significant hazard from these storms, however, will be heavy rainfall and the potential for flash flooding, especially Monday night.

flooding
Turn around. Don’t drown.

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