

187 

WWUS20 KWNS 240235

SEL6

SPC WW 240235

TXZ000-241100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 86

NWS STORM PREDICTION CENTER NORMAN OK

935 PM CDT FRI APR 23 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTH CENTRAL AND EAST CENTRAL TEXAS



EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 935 PM

UNTIL 600 AM CDT.



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 110 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES WEST OF COLLEGE

STATION TEXAS TO 55 MILES SOUTH SOUTHWEST OF HONDO TEXAS.  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 82...WW 83...WW 84...WW

85...



DISCUSSION...TSTMS NOW FORMING E OF THE TX BIG BEND EXPECTED TO

INCREASE AND MOVE/DEVELOP EWD THROUGH EARLY SAT AS SW TX UPR TROUGH

CONTINUES NEWD.  STRENGTH OF WIND FIELD ON SE SIDE OF TROUGH AND

INCREASING QUALITY OF LOW LVL MOISTURE INFLOW WITH EWD EXTENT

SUGGEST POTENTIAL FOR EMBEDDED SUPERCELLS AS THE STORMS MERGE INTO

BROKEN BANDS/CLUSTERS.  THE SUPERCELLS MAY PRODUCE TORNADOES IN

ADDITION TO LARGE HAIL AND DMGG WIND.



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 23035.





...CORFIDI

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