Regional Weather Summary
Issued by NWS Des Moines, IA

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IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
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WEATHER SUMMARY FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
454 PM CDT SUN APR 20 2014

SMALL CLUSTERS OF SHOWERS AND THUNDERSTORMS MEANDERED ACROSS
NORTHEASTERN IOWA THIS AFTERNOON. THESE STORMS...WHILE
SMALL...REPETITIVELY TRACKED OVER THE SAME AREAS. AS A RESULT...A
FEW RURAL LOCATIONS MAY HAVE SEEN CLOSE TO TWO INCHES OF RAIN.
THESE STORMS WERE TIED TO A STATIONARY FRONT DRAPED OVER FAR
NORTHEASTERN IOWA. THIS FRONT WAS CREATING A SHARP TEMPERATURE
DISCONTINUITY OVER THE STATE. SOUTH OF THE FRONT...STIFF SOUTHERLY
WINDS OF 15 TO 25 MPH ALLOWED TEMPERATURES TO RISE INTO THE LOW
80S. MEANWHILE...NORTH OF THE FRONT TEMPERATURES WERE STRUGGLING
TO REACH THE LOWER 60S. ADDITIONAL STORMS WERE FORMING OVER
EASTERN NEBRASKA AND STARTING TO CROSS THE MISSOURI RIVER INTO FAR
WESTERN IOWA DURING THE MID AFTERNOON HOURS. SKIES STATEWIDE
RANGED FROM PARTLY TO MOSTLY CLOUDY.

THE FRONT OVER NORTHERN IOWA WILL GRADUALLY SHIFT SOUTHWARD
ACROSS IOWA OVER THE NEXT 24 HOURS...WITH WIDESPREAD SHOWERS AND
THUNDERSTORMS FORMING ALONG AND AHEAD OF THE BOUNDARY FROM
NEBRASKA TO SOUTHERN WISCONSIN. A SECONDARY FRONT WILL SWEEP OUT
OF THE DAKOTAS AND PUSH THE STORMS OUT OF THE REGION BY MONDAY
NIGHT. COOLER AIR WILL ARRIVE BEHIND THIS FRONT WITH HIGHS FALLING
INTO THE UPPER 50S NORTH TO UPPER 60S SOUTH BY TUESDAY. HIGH
PRESSURE WILL SCOOT THROUGH THE REGION ON TUESDAY...FOLLOWED BY
THE NEXT WEATHER SYSTEM THAT WILL TAKE SHAPE OVER THE NORTHERN
ROCKIES ON WEDNESDAY. THIS SYSTEM COULD BRING STRONG TO SEVERE
STORMS TO NEBRASKA AND KANSAS ON WEDNESDAY AFTERNOON AND
EVENING...WITH THESE STORMS PUSHING EASTWARD EARLY ON THURSDAY.
ONCE AGAIN...COLDER AIR WILL FLOW SOUTHWARD BEHIND THIS DEPARTING
SYSTEM FOR NEXT WEEKEND.

$$

KS


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