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ZCZC SPCPWOSPC ALL
WOUS40 KWNS 231619
KSZ000-OKZ000-240015-
PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1119 AM CDT MON MAR 23 2009
...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE CENTRAL AND
SOUTHERN PLAINS...
THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF TORNADOES...LARGE HAIL AND DAMAGING WINDS OVER PARTS
OF THE CENTRAL AND SOUTHERN PLAINS THIS AFTERNOON THROUGH TONIGHT. A
SECONDARY AREA OF POTENTIAL WILL BE OVER CNTRL AND NERN NEBRASKA.
THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE
CENTRAL AND EASTERN KANSAS
NORTHERN OKLAHOMA
ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE FROM THE RED RIVER
VALLEY REGION OF TEXAS AND OKLAHOMA NORTH/NORTHEAST INTO PARTS OF
NEBRASKA...MISSOURI...IOWA...SOUTH DAKOTA...AND SOUTHWEST MINNESOTA.
A STRONG UPPER TROUGH WILL SWEEP EAST-NORTHEAST FROM THE FOUR
CORNERS REGION ACROSS THE SOUTHERN PLAINS AND LOWER MISSOURI VALLEY
LATER TODAY THROUGH EARLY TUESDAY. AS THIS OCCURS...A STRONG
SURFACE LOW NOW IN WESTERN NEBRASKA WILL TRACK NORTHEAST INTO
EASTERN SOUTH DAKOTA.
A COLD FRONT AND PRE-FRONTAL TROUGH ASSOCIATED WITH THE LOW WILL
SERVE AS A FOCUS FOR THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND
TONIGHT AS THE FRONT AND TROUGH PROGRESS EAST-SOUTHEAST ACROSS THE
CENTRAL AND SOUTHERN PLAINS.
THE AMOUNT OF MOISTURE AVAILABLE TO STORMS WILL BE MARGINAL COMPARED
TO SOME HIGHER END SEVERE WEATHER EVENTS. HOWEVER...VERY STRONG WIND
SHEAR WILL BE FAVORABLE FOR LONG-LIVED...ROTATING STORMS/SUPERCELLS.
SHOULD SUPERCELLS FORM...THEY WILL HAVE THE POTENTIAL TO PRODUCE A
FEW STRONG TORNADOES...IN ADDITION TO SEVERE HAIL AND WIND.
ANOTHER AREA OF CONCERN...ALTHOUGH NOT IN THE MODERATE RISK
AREA...WILL BE OVER CENTRAL AND EASTERN NEBRASKA. THIS AREA WILL
ALSO HAVE WINDS FAVORABLE FOR STORM ROTATION AND POSSIBLE
TORNADOES...ALONG AND AHEAD OF THE SURFACE LOW TRACK.
ALTHOUGH ISOLATED SEVERE STORMS MAY OCCUR ANYTIME BETWEEN NOW AND
SUNRISE TUESDAY IN THE HIGHLIGHTED REGION...THE BULK OF THE SEVERE
WEATHER IS EXPECTED LATE THIS AFTERNOON THROUGH LATE THIS EVENING.
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.
ADDITIONALLY...STATE AND LOCAL EMERGENCY MANAGERS ARE MONITORING
THIS DEVELOPING SITUATION.
..JEWELL/CORFIDI.. 03/23/2009
$$
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