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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 26

NWS STORM PREDICTION CENTER NORMAN OK

745 PM CST WED MAR 10 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHEAST LOUISIANA

       EXTREME SOUTHERN MISSISSIPPI

       COASTAL WATERS



EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 745 PM

UNTIL 200 AM CST.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 65 MILES SOUTHEAST OF

GULFPORT MISSISSIPPI TO 35 MILES SOUTH SOUTHWEST OF BATON ROUGE

LOUISIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS.



OTHER WATCH INFORMATION...CONTINUE...WW 21...WW 22...WW 23...WW

24...WW 25...



DISCUSSION...SCATTERED THUNDERSTORMS ARE INCREASING BENEATH STRONG

JET DYNAMICS OVER SOUTHERN LA.  THESE STORMS ARE LIKELY TO SPREAD

NORTHEASTWARD ACROSS THE WATCH AREA DURING THE NEXT SEVERAL HOURS.

PARAMETERS ARE QUITE FAVORABLE FOR SEVERE HAIL IN THE STRONGEST

CELLS.  ALSO...INCREASING LOW LEVEL MOISTURE AND SUFFICIENT VERTICAL

SHEAR WILL ALSO PRESENT A RISK OF ISOLATED TORNADOES.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 25030.





...HART

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