Hazardous Weather Outlook
Issued by NWS Omaha/Valley, NE

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FLUS43 KOAX 061701
HWOOAX

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1201 PM CDT WED MAY 6 2015

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-070715-
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-
1201 PM CDT WED MAY 6 2015

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

ISOLATED THUNDERSTORMS ARE POSSIBLE ACROSS THE AREA THIS AFTERNOON
WITH MORE WIDESPREAD STORMS LIKELY DURING THE EVENING AND
OVERNIGHT. STRONG TO SEVERE STORMS ARE POSSIBLE THIS EVENING AND
TONIGHT WITH LARGE HAIL...DAMAGING WINDS AND ISOLATED TORNADOES
THE PRIMARY HAZARDS. HEAVY RAIN IS ALSO LIKELY TO DEVELOP ACROSS
THE AREA LATE TONIGHT.

AN UPPER LEVEL WEATHER DISTURBANCE WILL LIFT NORTHEAST ACROSS THE
FORECAST AREA THIS AFTERNOON AND TONIGHT. INSTABILITY WILL
INCREASE TONIGHT WITH SUBSTANTIAL LOW LEVEL AND DEEP LAYER
SHEAR FAVORABLE FOR SUPERCELLS. INITIAL DEVELOPMENT IS EXPECTED TO
TAKE PLACE OVER NORTH CENTRAL OR NORTHEAST KANSAS BY MID TO LATE
AFTERNOON THEN SPREAD NORTHEAST INTO EASTERN NEBRASKA AND
SOUTHWEST IOWA DURING THE EVENING. A STRONG LOW LEVEL JET WILL BE
IN PLACE TONIGHT AND RESULT IN STRONG MOISTURE ADVECTION THROUGH
THE NIGHT WITH HEAVY RAIN POTENTIAL ACROSS THE AREA.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SEVERE THUNDERSTORMS WILL BE POSSIBLE THURSDAY AND THURSDAY
NIGHT.

A LOT WILL DEPEND ON HOW MUCH INSTABILITY CAN BE REALIZED
AS A COLD FRONT PUSHES ACROSS EASTERN NEBRASKA AND WESTERN IOWA.
STORMS MAY BE ELEVATED INITIALLY WITH GOOD SHEAR. MORE SURFACE
BASED STORMS WITH BETTER INSTABILITY SHOULD DEVELOP IN THE
AFTERNOON AND EVENING.

STRONG TO SEVERE STORMS COULD ALSO OCCUR SATURDAY NIGHT INTO
SUNDAY. MOISTURE IS PLENTIFUL...THUS MORE HEAVY RAIN MAY ALSO
ACCOMPANY THESE STORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY BE NEEDED TONIGHT.

$$

FOBERT



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