**A Flash Flood Watch remains in effect until 8-a.m. for Cass-Adair-Audubon-Dallas-Guthrie-Madison-Carroll-and Crawford Counties. The Flash Flood Watch for Audubon, Guthrie, Dallas, Crawford, Carroll, Monona, Harrison, Pottawattamie, Sac and Shelby Counties has been cancelled.
* Additional rainfall amounts of 1 inch and locally up to 2 inches are possible through early this morning. * This may lead to significant ponding and a threat of flash flooding through early this morning due to heavy rainfall. In addition, renewed river flooding may result Tuesday through Thursday. Be aware of night time flooding and water covered roads! 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.
Special Weather Statement National Weather Service Des Moines IA 132 AM CDT TUE JUN 19 2018 Audubon IA-Calhoun IA-Sac IA-Webster IA-Greene IA-Carroll IA- Crawford IA- ...Strong Winds and Heavy Rain in Western Iowa... At 131 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles north of Glidden to 6 miles south of Carroll to Irwin. Movement was east at 15 mph. Winds in excess of 40 mph will be possible with these storms. Rainfall amounts up to two inches will be possible with these storms. Locations impacted include... Carroll, Jefferson, Audubon, Lake City, Manning, Coon Rapids, Glidden, Lake View, Gowrie, Black Hawk Lake, Manilla, Scranton, Arcadia, Breda, Vail, Churdan, Farnhamville, Lohrville, Templeton and Auburn. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with these storms, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. These storms may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service.
Fremont IA-Montgomery IA-Mills IA-Page IA- 135 AM CDT TUE JUN 19 2018 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR NORTHEASTERN FREMONT...MONTGOMERY...SOUTHEASTERN MILLS AND NORTHERN PAGE COUNTIES... At 135 AM CDT, severe thunderstorms were located along a line extending from 5 miles east of Carson to 4 miles southeast of Emerson to near Sidney, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Red Oak, Clarinda, Shenandoah, Villisca, Essex, Stanton, Elliott, Grant, Yorktown, Imogene, Coburg, Hepburn, Pierce Recreation Area and Viking Lake State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building.
Flood Advisory National Weather Service Omaha/Valley Nebraska 634 PM CDT MON JUN 18 2018 The National Weather Service in Omaha has issued a * Flood Advisory for... Harrison County in southwestern Iowa... * Until 930 PM CDT. * At 633 PM CDT, Doppler radar indicated heavy rain due to thunderstorms and some minor flooding was reported around Missouri Valley. Radar estimates 2 to 3 inches of rain fell in the advisory area as of about 630 pm and around another inch of rain is possible yet this evening. * Some locations that will experience flooding include... Missouri Valley, Logan, Mondamin, Modale, Woodbine, Magnolia, Schaben Park, Willow Lake Recreation Area and Historical Village Welcome Center. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Advisory means river or stream flows are elevated, or ponding of water in urban or other areas is occurring or is imminent.
Severe Thunderstorm Warning National Weather Service Omaha/Valley Nebraska 647 PM CDT MON JUN 18 2018 The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Northeastern Pottawattamie County in southwestern Iowa... Eastern Harrison County in southwestern Iowa... Shelby County in southwestern Iowa... * Until 730 PM CDT. * At 647 PM CDT, severe thunderstorms were located along a line extending from 6 miles northeast of Logan to Minden, moving northeast at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Harlan, Avoca, Walnut, Shelby, Minden, Earling, Irwin, Persia, Defiance, Woodbine, Dunlap, Neola, Panama, Hancock, Portsmouth, Westphalia, Tennant, Kirkman, Prairie Rose State Park and Botna Bend Park. This includes Interstate 80 in Iowa between mile markers 23 and 48.
Mills IA-Pottawattamie IA- 553 PM CDT MON JUN 18 2018 ...THE FLOOD ADVISORY REMAINS IN EFFECT UNTIL 830 PM CDT FOR NORTHWESTERN MILLS AND SOUTHWESTERN POTTAWATTAMIE COUNTIES... At 552 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Estimates are that 2 to 3 inches of rain fell in the advisory area as of about 545 pm and around another inch of rain is possible before 830 pm. This will cause minor flooding in the advisory area. Some locations that could experience flooding include... Council Bluffs, Crescent, McClelland and Lake Manawa State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Advisory means river or stream flows are elevated, or ponding of water in urban or other areas is occurring or is imminent.
Area Counties: Sac-Crawford-Carroll-Audubon-Guthrie-Dallas-Cass-Adair-Madison-Monona-Harrison-Shelby-Pottawattamie…
FLASH FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH TUESDAY AFTERNOON…
Rainfall amounts of 1 to 3 inches are possible through Tuesday morning. In addition, localized amounts over 5 inches may occur.
* Significant ponding and flash flooding are possible through Tuesday morning due to heavy rainfall. In addition, renewed river flooding may result Tuesday through Thursday. Be aware of night time flooding and water covered roads!
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.
Severe Thunderstorm Warning National Weather Service Omaha/Valley Nebraska 356 PM CDT MON JUN 18 2018 The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Northwestern Pottawattamie County in southwestern Iowa... Southeastern Harrison County in southwestern Iowa... Southwestern Shelby County in southwestern Iowa... * Until 430 PM CDT. * At 356 PM CDT, severe thunderstorms were located along a line extending from near Logan to 9 miles southeast of Missouri Valley to 5 miles west of Underwood, moving east at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Logan, Underwood, Minden, Persia, Neola, Portsmouth, Arrowhead Park and Historical Village Welcome Center. This includes Interstate 80 in Iowa between mile markers 17 and 31. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building.
Pottawattamie IA-Harrison IA-Washington NE-Douglas NE-
333 PM CDT MON JUN 18 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR NORTHWESTERN POTTAWATTAMIE...SOUTHWESTERN HARRISON...SOUTHEASTERN
WASHINGTON AND NORTHEASTERN DOUGLAS COUNTIES...
At 333 PM CDT, severe thunderstorms were located along a line
extending from 3 miles northwest of Missouri Valley to 8 miles east
of Fort Calhoun to Omaha, moving northeast at 40 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Northeastern Omaha, Missouri Valley, Logan, Underwood, Fort Calhoun,
Crescent, Desoto Bend National Wildlife Refuge, Hitchcock Nature
Center, Wilson Island State Park and Historical Village Welcome
Center.
This includes the following highways...
Interstate 29 between mile markers 58 and 79.
Interstate 80 in Iowa between mile markers 14 and 20.
Severe Thunderstorm Warning National Weather Service Omaha/Valley Nebraska 323 PM CDT MON JUN 18 2018 The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Northwestern Pottawattamie County in southwestern Iowa... Southwestern Harrison County in southwestern Iowa... Southeastern Washington County in east central Nebraska... Northeastern Douglas County in east central Nebraska... * Until 400 PM CDT. * At 322 PM CDT, severe thunderstorms were located along a line extending from 4 miles east of Blair to near Fort Calhoun to Omaha, moving northeast at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Northeastern Omaha, Missouri Valley, Logan, Underwood, Fort Calhoun, Crescent, Desoto Bend National Wildlife Refuge, Hitchcock Nature Center, Wilson Island State Park and Historical Village Welcome Center. This includes the following highways... Interstate 29 between mile markers 58 and 79. Interstate 80 in Iowa between mile markers 14 and 20. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building.
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