DAY1SVR: Public Severe Weather Outlook (Automatic)

180
WOUS40 KWNS 230836
PWOSPC
KSZ000-OKZ000-231630-

PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0336 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.

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 POWERFUL JET STREAM DISTURBANCE...WITH WINDS IN EXCESS OF 120
MPH...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 SOMEWHAT MARGINAL
COMPARED TO SOME SEVERE WEATHER EVENTS. WINDS...HOWEVER...WILL BE
FAVORABLE FOR LONG-LIVED...ROTATING STORMS CALLED SUPERCELLS.
SHOULD SUSTAINED SUPERCELLS FORM...THEY WILL HAVE THE POTENTIAL TO
PRODUCE A FEW STRONG TORNADOES...IN ADDITION TO SEVERE HAIL AND
WIND.

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.

..CORFIDI.. 03/23/2009

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