United Group Insurance

Hazardous Weather Outlook for western/sw IA & eastern NE

Weather

August 29th, 2014 by Ric Hanson

IA COUNTIES: MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-
PAGE…1130 AM CDT FRI AUG 29 2014

DAY ONE…THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON INTO THIS EVENING MAINLY OVER EXTREME EASTERN NEBRASKA AND SOUTHWEST IOWA AS A WEAK COLD FRONT MOVES THROUGH THE AREA. SOME STORMS MAY PRODUCE LOCALLY HEAVY RAIN…ISOLATED STORMS COULD ALSO BRIEFLY PRODUCE SMALL HAIL.

MINOR FLOODING WILL CONTINUE WITH SOME SMALL STREAMS IN THE LOCAL AREA THIS AFTERNOON. FLOODING WILL ALSO OCCUR ALONG THE MISSOURI RIVER FROM AROUND BROWNVILLE DOWNSTREAM TO PAST RULO.

DAYS TWO THROUGH SEVEN…SATURDAY THROUGH THURSDAY

SCATTERED THUNDERSTORMS COULD AGAIN MOVE INTO NORTHEAST NEBRASKA BY LATE SATURDAY NIGHT. THUNDERSTORM CHANCES WILL INCREASE SUNDAY AND CONTINUE INTO SUNDAY NIGHT AS AN UPPER LEVEL DISTURBANCE AND FRONTAL SYSTEM MOVE THROUGH THE REGION.

SEVERE THUNDERSTORMS WILL BE POSSIBLE SUNDAY…MAINLY IN THE AFTERNOON AND EVENING. DAMAGING WINDS…LARGE HAIL…AND LOCALLY HEAVY RAINFALL ARE EXPECTED TO BE THE PRIMARY HAZARDS.  MINOR FLOODING ALONG THE MISSOURI RIVER IS EXPECTED TO CONTINUE AROUND AND DOWNSTREAM FROM BROWNVILLE.

SPOTTER INFORMATION STATEMENT…
SPOTTER ACTIVATION IS NOT EXPECTED TO BE NEEDED THIS AFTERNOON OR TONIGHT. HOWEVER…SPOTTERS ARE ENCOURAGED TO REPORT RAINFALL AMOUNTS OVER ONE INCH TO THE NATIONAL WEATHER SERVICE AT OMAHA. ALSO REPORT HAIL DIME SIZE OR LARGER AND STRONG WINDS IF THEY OCCUR.