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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
543 PM CDT Tue Sep 17 2019

543 PM CDT Tue Sep 17 2019

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 Wednesday

Minor to locally moderate flooding will continue along the
Missouri River above Lewis and Clark Lake, and from near Decatur
southward past Rulo.

Isolated thunderstorms may develop over parts of northeast
Nebraska laster this evening, with scattered thunderstorms
developing overnight and continuing Wednesday. Brief heavy rain,
lightning, and gusty winds are the primary hazards with storms
that form.

A front will move into the area Wednesday, then stall. The storms
will form ahead of and along the front.

.DAYS TWO THROUGH SEVEN...Wednesday night through Tuesday

River levels along the Missouri River will continue to rise from
Blair southward past Rulo. A crest is expected in Blair sometime
Thursday, while Rulo won`t crest until Sunday. Flooding is
expected to remain in the minor to moderate range. Road closures
are possible along Interstate 29 in Pottawattamie County, with a
lesser risk of impacts to Interstate 680. Additional rainfall
between Wednesday night and Saturday, may have impacts on the
river level forecasts and the timing of crests. Anyone with
travel plans along Interstate 29 or interests along the Missouri
River should monitor the forecast closely this week.

Periods of rain and thunderstorms will continue Wednesday night
through Friday night. Strong to severe thunderstorms will be
possible along with locally heavy rainfall.


Spotter activation should not be needed tonight or Wednesday.



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