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ZCZC SPCPWOSPC ALL
WOUS40 KWNS 240840
IAZ000-MNZ000-NDZ000-SDZ000-WIZ000-241645-
PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0340 AM CDT THU AUG 24 2006
...SEVERE THUNDERSTORMS LIKELY OVER PARTS OF THE NORTHERN PLAINS AND
UPPER MISSISSIPPI VALLEY THIS AFTERNOON AND TONIGHT...
THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF TORNADOES...LARGE HAIL AND DAMAGING WINDS OVER PARTS
OF THE NORTHERN PLAINS AND UPPER MISSISSIPPI VALLEY THIS AFTERNOON
AND TONIGHT.
THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
NORTHERN IOWA
SOUTHERN AND CENTRAL MINNESOTA
SOUTHEASTERN NORTH DAKOTA
EASTERN SOUTH DAKOTA
SOUTHWEST WISCONSIN
SURROUNDING THE MODERATE RISK AREA...THERE IS A SLIGHT RISK OF
SEVERE THUNDERSTORMS FROM WESTERN NORTH DAKOTA INTO
NEBRASKA...SOUTHERN IOWA AND NORTHERN ILLINOIS.
A STRONG JET STREAM DISTURBANCE NOW OVER MONTANA AND WYOMING WILL
MOVE NORTHEAST ACROSS THE DAKOTAS LATER TODAY...BEFORE CONTINUING
EAST INTO MINNESOTA AND WISCONSIN TONIGHT AND EARLY FRIDAY.
IN RESPONSE TO THE APPROACHING UPPER LEVEL DISTURBANCE...A SURFACE
LOW NOW FORMING IN WESTERN SOUTH DAKOTA WILL TRACK EAST ALONG A
STALLED FRONT OVER SOUTH DAKOTA AND SOUTHERN MINNESOTA...AND A COLD
FRONT WILL SWEEP EAST ACROSS THE DAKOTAS. THE LOW SHOULD REACH THE
TWIN CITIES AREA BY DAWN FRIDAY.
THE LOW AND BOTH FRONTS...IN CONCERT WITH THE JET STREAM DISTURBANCE
AND AFTERNOON HEATING...WILL CREATE CONDITIONS FAVORABLE FOR THE
DEVELOPMENT OF LINES AND CLUSTERS OF STRONG...LONG-LIVED
THUNDERSTORMS OVER A LARGE PART OF THE NORTHERN PLAINS AND UPPER
MISSISSIPPI VALLEY THIS AFTERNOON INTO TONIGHT.
COUPLED WITH THE VERY WARM AND MOIST AIR ALREADY PRESENT...SOME OF
THE STORMS LIKELY WILL CONTAIN VERY LARGE HAIL AND DAMAGING WINDS.
IN ADDITION...DEPENDING UPON HOW THE STORMS INTERACT WITH EACH OTHER
AND WITH THE FRONTS...THE SETUP MAY SUPPORT A FEW STRONG TORNADOES.
THE TORNADO THREAT SHOULD BE GREATEST ALONG THE STATIONARY FRONT
FROM EASTERN SOUTH DAKOTA INTO SOUTHERN AND WESTERN MINNESOTA...AND
NORTHERN IOWA.
THOSE IN THE THREATENED AREA ARE URGED TO REVIEW SEVERE WEATHER
SAFETY RULES AND TO LISTEN TO RADIO...TELEVISION...AND NOAA WEATHER
RADIO FOR POSSIBLE WATCHES...WARNINGS...AND STATEMENTS LATER TODAY.
..CORFIDI.. 08/24/2006
$$
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