Hazardous Weather Outlook
Issued by NWS Omaha/Valley, NE

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403
FLUS43 KOAX 212043
HWOOAX

Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
343 PM CDT Mon Aug 21 2017

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-221045-
Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-
Page-Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-Madison-
Stanton-Cuming-Burt-Platte-Colfax-Dodge-Washington-Butler-
Saunders-Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline-
Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson-
343 PM CDT Mon Aug 21 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...NORTHEAST
NEBRASKA AND SOUTHEAST NEBRASKA.

.DAY ONE...TONIGHT AND TUESDAY

Thunderstorms should spread southeast across the area tonight.
There is some potential for severe storms, with large hail and
damaging winds. Locally heavy rain is also possible. The main
severe threat is prior to 2 AM CDT.

River flooding will continue today along parts of the Big Blue
River and Lincoln Creek, mainly in Butler, Seward and Saline
counties. Stream levels will likely rise across portions of
western Iowa in response to heavy rain.

.DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH MONDAY

Some flooding remains possible along the Big Blue River into
Tuesday.

Thunderstorm chances return for parts of the area Wednesday night
into Thursday. Severe storms are not expected. There will also be
off and on chances for storms from Thursday night into Monday.

..SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected to be needed tonight, but
please pass along any reports. Activation will not be needed on
Tuesday.

$$



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