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ZCZC SPCPWOSPC ALL
WOUS40 KWNS 050854
IAZ000-KSZ000-MNZ000-MOZ000-NEZ000-OKZ000-SDZ000-WIZ000-051700-
PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0354 AM CDT THU JUN 05 2008
...SEVERE THUNDERSTORM OUTBREAK EXPECTED FROM THE EASTERN HALF OF
THE PLAINS INTO THE UPPER MISSISSIPPI VALLEY THIS AFTERNOON AND
TONIGHT...
THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING
WIDESPREAD DAMAGING THUNDERSTORM WINDS...STRONG TORNADOES AND LARGE
HAIL OVER A LARGE PART OF THE EASTERN PLAINS AND THE UPPER
MISSISSIPPI VALLEY THIS AFTERNOON THROUGH TONIGHT.
THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
MUCH OF IOWA
CENTRAL AND EASTERN KANSAS
SOUTHERN AND CENTRAL MINNESOTA
WESTERN AND NORTHERN MISSOURI
CENTRAL AND EASTERN NEBRASKA
WESTERN...CENTRAL AND NORTHERN OKLAHOMA
EASTERN SOUTH DAKOTA
WESTERN AND CENTRAL WISCONSIN
ELSEWHERE...SCATTERED SEVERE STORMS ARE ALSO POSSIBLE FROM NORTHWEST
TEXAS THROUGH THE MID MISSISSIPPI VALEY TO THE GREAT LAKES.
AN UNSEASONABLY STRONG JET STREAM DISTURBANCE NOW OVER NEW MEXICO
...WITH WIND SPEEDS IN EXCESS OF 130 MPH...WILL SWEEP RAPIDLY NORTH
NORTHEAST ACROSS THE PLAINS STATES TODAY...AND INTO THE UPPER
MISSISSIPPI VALLEY EARLY FRIDAY.
IN RESPONSE...A STRONG SURFACE LOW NOW IN WESTERN KANSAS WILL
FURTHER STRENGTHEN AS IT MOVES NORTH TO THE NEBRASKA-SOUTH DAKOTA
BORDER THIS EVENING...AND INTO NORTH DAKOTA EARLY FRIDAY.
AHEAD OF THE LOW...A BROAD CURRENT OF VERY WARM AND HUMID AIR WILL
SPREAD FROM THE SOUTH CENTRAL STATES INTO NEBRASKA...EASTERN SOUTH
DAKOTA AND THE UPPER MISSISSIPPI VALLEY.
THE COMBINATION OF UNUSUALLY STRONG WINDS WITH INCREASINGLY WARM AND
HUMID AIR WILL SET THE STAGE FOR THE DEVELOPMENT OF WIDESPREAD
INTENSE THUNDERSTORMS THIS AFTERNOON THROUGH TONIGHT...BOTH ALONG
THE PATH OF THE SURFACE LOW...AND FARTHER EAST AND SOUTH BENEATH THE
MAIN JET STREAM DISTURBANCE.
SOME OF THE STORMS WILL BE SUPERCELLS...LONG-LIVED...ROTATING STORMS
THAT COULD SPAWN STRONG TORNADOES IN ADDITION TO LARGE HAIL. MANY
OF THE STORMS...ESPECIALLY THIS EVENING...LIKELY WILL ORGANIZE INTO
LONG...ARC-SHAPED BANDS. THESE BANDS WILL PRODUCE BROAD SWATHS OF
DAMAGING OUTFLOW /DERECHO/ WINDS.
THIS IS POTENTIALLY A VERY DANGEROUS SITUATION. 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.. 06/05/2008
$$
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