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Hazardous Weather Outlook: Eastern NE/western-sw Iowa 5/10/14

Weather

May 10th, 2014 by Ric Hanson

AREA COUNTIES: MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE…-
511 AM CDT SAT MAY 10 2014

TODAY AND TONIGHT:
ISOLATED THUNDERSTORMS WILL BE POSSIBLE TODAY…MAINLY LATER THIS
MORNING AND AFTERNOON. WHILE STORMS WOULD REMAIN BELOW SEVERE
LEVELS THIS MORNING…THERE IS A SLIGHT RISK OF SEVERE STORMS
ACROSS SOUTHWESTERN IOWA THIS AFTERNOON SOUTH OF INTERSTATE 80.

AFTER A BREAK THIS EVENING…ADDITIONAL THUNDERSTORMS ARE EXPECTED
TO DEVELOP AFTER MIDNIGHT IN SOUTHEAST NEBRASKA…SPREADING NORTH
ACROSS THE AREA THROUGH DAYBREAK. SOME OF THESE STORMS COULD BE
STRONG TO SEVERE WITH LARGE HAIL THE PRIMARY HAZARD ACROSS SOUTHEAST
NEBRASKA AND SOUTHWEST IOWA…ALONG AND SOUTH OF INTERSTATE 80.

SUNDAY …
SCATTERED STRONG THUNDERSTORMS MAY BE ONGOING SUNDAY MORNING
ACROSS SOUTHEAST NEBRASKA AND SOUTHWEST IOWA WITH LARGE HAIL
POSSIBLE…AS A WARM FRONT LIFTS NORTH INTO THE REGION. ADDITIONAL
STRONG TO SEVERE STORMS ARE EXPECTED TO DEVELOP ALONG THE FRONT
DURING THE AFTERNOON…DEVELOPING INTO A SQUALL LINE SUNDAY
EVENING THEN MOVING EAST AND OUT OF THE AREA AFTER MIDNIGHT.

SEVERE STORMS WITH ALL MODES OF SEVERE WEATHER WILL BE POSSIBLE
ALONG THE FRONT…GENERALLY ALONG AND SOUTHEAST OF A LINE FROM
ABOUT COLUMBUS NEBRASKA TO ONAWA IOWA. THIS WOULD INCLUDE SUPERCELL
STORMS WITH VERY LARGE HAIL…DAMAGING WINDS AND ISOLATED TORNADOES.
LOCALLY HEAVY RAINFALL WILL ALSO ACCOMPANY THE THUNDERSTORMS AS
THEY PUSH THROUGH THE REGION LATE SUNDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT…

SPOTTER ACTIVATION SHOULD NOT BE NEEDED TODAY OR TONIGHT…BUT
COULD BE NEEDED SUNDAY IN SOUTHEAST NEBRASKA AND SOUTHWEST IOWA.