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Hazardous Weather Outlook (HWO)

Issued by Omaha/Valley, NE (OAX)

                            
000
FLUS43 KOAX 201736
HWOOAX

Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
1236 PM CDT Tue Aug 20 2019

IAZ043-056-NEZ011-012-015>018-030>033-042-043-050-211745-
Monona-Shelby-Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-
Madison-Stanton-Cuming-Platte-Colfax-Butler-
1236 PM CDT Tue Aug 20 2019

This Hazardous Weather Outlook is for southwest Iowa, west central 
Iowa, east central Nebraska and northeast Nebraska.

.DAY ONE...This afternoon and tonight.

Very warm conditions are expected this afternoon and evening, with 
peak heat index values of 99 to 105 across northeast Nebraska.

Increasing chances of thunderstorms are likely tonight, and some of 
these storms are likely to become severe. The primary hazards with 
the strongest storms will be hail up to 2 inches and wind gusts up to
70 mph. Multiple rounds of thunderstorms may repeatedly impact the 
same areas, leading to potential for areas of very heavy rainfall and
flash flooding.

Minor flooding will continue on the Missouri River above Lewis 
and Clark Lake and from around Plattsmouth downstream past Rulo.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Rain and thunderstorms are expected to continue Wednesday through
Thursday. Total rainfall between one quarter and one and one-half
inch may be possible.

Minor flooding will continue on the Missouri River above Lewis 
and Clark Lake and from around Plattsmouth downstream into 
Missouri.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight.

$$

IAZ055-069-079-080-090-091-NEZ034-044-045-051>053-065>068-078-
088>093-211745-
Harrison-Pottawattamie-Mills-Montgomery-Fremont-Page-Burt-Dodge-
Washington-Saunders-Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-Saline-
Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson-
1236 PM CDT Tue Aug 20 2019

...HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...

This Hazardous Weather Outlook is for southwest Iowa, east central 
Nebraska and southeast Nebraska.

.DAY ONE...This afternoon and tonight.

A Heat Advisory in effect through early this evening.

Very hot conditions are expected this afternoon and evening, with 
peak heat index values of 105 to 109 across southeast Nebraska and
southwest Iowa.

Increasing chances of thunderstorms are likely tonight, and some of 
these storms are likely to become severe. The primary hazards with 
the strongest storms will be hail up to 2 inches and wind gusts up to
70 mph. Multiple rounds of thunderstorms may repeatedly impact the 
same areas, leading to potential for areas of very heavy rainfall and
flash flooding.

Minor flooding will continue on the Missouri River above Lewis 
and Clark Lake and from around Plattsmouth downstream past Rulo.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Rain and thunderstorms are expected to continue Wednesday through
Thursday. Total rainfall between one and one-half inch to three
inches may be possible. Flash flooding and small stream and river
flooding will be a threat.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed tonight.

$$