DAY1SVR: Public Severe Weather Outlook (Automatic)

349
WOUS40 KWNS 161051
PWOSPC
LAZ000-TXZ000-161845-

PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0450 AM CST SAT FEB 16 2008

...SEVERE THUNDERSTORMS EXPECTED FROM EASTERN AND SOUTHERN TEXAS
INTO THE LOWER 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 FROM
EASTERN AND SOUTHERN TEXAS INTO WESTERN AND SOUTHERN LOUISIANA THIS
AFTERNOON AND TONIGHT.

THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE

WESTERN AND SOUTHERN LOUISIANA
SOUTHERN AND EASTERN TEXAS

SURROUNDING THE MODERATE RISK AREA...THERE IS A SLIGHT RISK OF
SEVERE THUNDERSTORMS FROM CENTRAL TEXAS INTO SOUTHEAST
OKLAHOMA...SOUTHERN ARKANSAS...EASTERN LOUISIANA AND WESTERN
MISSISSIPPI.

A STRONG UPPER LEVEL LOW NOW APPROACHING WEST TEXAS WILL TRACK EAST
INTO CENTRAL TEXAS BY THIS EVENING BEFORE TURNING NORTHEAST ACROSS
OKLAHOMA AND WESTERN ARKANSAS TONIGHT.

AHEAD OF THE LOW...UNSEASONABLY WARM AND HUMID AIR WILL CONTINUE TO
SPREAD NORTH ACROSS THE EASTERN THIRD OF TEXAS AND MUCH OF
LOUISIANA.

A BAND OF JET STREAM WINDS...WITH SPEEDS IN EXCESS OF 100 MPH...
WILL MOVE ACROSS EAST TEXAS LATER TODAY AS THE UPPER LOW CONTINUES
EASTWARD.

THE COMBINATION OF STRENGTHENING UPPER LEVEL WINDS...DAYTIME HEATING
AND RICH MOISTURE INFLOW WILL CREATE AN ENVIRONMENT FAVORABLE FOR
THE DEVELOPMENT OF LONG-LIVED ROTATING THUNDERSTORMS KNOWN AS
SUPERCELLS. THESE STORMS LIKELY WILL ORGANIZE INTO AN EXTENSIVE
NORTH-SOUTH LINE THAT WILL MOVE ACROSS MUCH OF EASTERN AND SOUTHERN
TEXAS LATER TODAY...BEFORE CONTINUING EAST INTO LOUISIANA TONIGHT
AND EARLY SUNDAY. THE STORMS COULD PRODUCE A FEW STRONG
TORNADOES...IN ADDITION TO DESTRUCTIVE OUTFLOW WINDS AND VERY LARGE
HAIL.

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.. 02/16/2008

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