12 JUNE 2010 EXTENDED FORECAST
MODERATE TO STRONG THUNDERSTORMS FORMED EARLY MORNING SW OF OTTUMWA AND MOVED NE INTO POW COUNTY AROUND 3:30 - DUMPING 1.5+ INCHES OF RAIN IN THE SE PORTION OF THE COUNTY. RADAR ESTIMATES SHOW AS MUCH AS 3 INCHES THRU MAHASKA COUNTY FROM JUST EAST OF OSKALOOSA AND WESTWARD....
A WARM FRONT IS LOCATED THRU CENTRAL IOWA ALONG THE I-80 CORRIDOR AND IS THE FOCUS FOR THE THUNDERSTORMS ACTIVITY. EXPECT SHOWERS AND STORMS TO LAST THRU 8AM WITH AN ADDITIONAL 1/2 INCH OF RAIN....THE WARM FRONT WILL REMAIN STATIONARY OVER THE AREA THRU THE DAY - SHOWERS AND THUNDER WILL DEVELOP ONCE AGAIN THIS AFTERNOON (AROUND 1PM). THE MAIN AREA FOR HEAVY PRECIP WILL BE AT AND ALONG THE FRONTAL BOUNDARY FROM POW COUNTY NORTHWARD......THUNDERSTORMS WILL BE ENHANCED LATE THIS AFTERNOON AND EVENING AS A WEAK UPPER LEVEL DISTURBANCE MOVES WEST TO EAST ACROSS THE SURFACE FRONT. EXPECT ANOTHER ROUND OF HEAVIER PRECIP FROM 4-8PM......
EXPECT PARTIAL CLEARING LATER SUNDAY MORNING - WITH YET ANOTHER ROUND OF HEAVIER PRECIP THRU THE AFTERNOON (HEAVIER PRECIP IN SOUTHEAST IOWA)......
TODAY 12TH - MORNING SHOWERS THEN MOSTLY CLOUDY WITH AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS - (POSSIBLE STRONG THUNDER 4-8PM) - GUSTY SOUTH WINDS - TEMP 85
SUNDAY 13TH - MORNING SHOWERS - THEN PARTLY TO MOSTLY CLOUDY WITH AFTERNOON THUNDER (HEAVIER PRECIP IN SOUTHEAST IOWA) - TEMP 75
MONDAY 14TH - MORNING SHOWERS WITH AFTERNOON THUNDERSTORMS (HEAVY RAIN - ESP SOUTHEAST) - TEMP MID 70'S
TUESDAY THRU THURSDAY 15TH - 17TH - MOSTLY TO PARTLY CLOUDY - TEMP 75-80
FRIDAY 18TH - GUSTY SW WIND - INCREASING CLOUDS WITH EVENING ISOLATED SHOWERS/THUNDER - TEMP MID 80'S
SATURDAY AND SUNDAY 19TH/20TH - UNSETTLED - INTER SHOWERS AND THUNDER THRU WEEKEND
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