

000 

WWUS20 KWNS 191130

SEL6

SPC WW 191130

TXZ000-191700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 576

NWS STORM PREDICTION CENTER NORMAN OK

630 AM CDT THU JUN 19 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN AND CENTRAL TEXAS



EFFECTIVE THIS THURSDAY MORNING FROM 630 AM UNTIL NOON CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES WEST OF

MINERAL WELLS TEXAS TO 35 MILES EAST OF CORSICANA TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU6).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 575...



DISCUSSION...TSTM COMPLEX IN WRN N TX HAS SHOWN AN INCREASE IN

LIGHTNING AND...TO SOME EXTENT...ORGANIZATION IN THE PAST HOUR.

WHILE AREA VWP DATA SHOW MODEST ENVIRONMENTAL WINDS...STORM CLUSTER

WILL ENCOUNTER INCREASING SFC-BASED CAPE/FWS WITH SEWD EXTENT.

COUPLED WITH ONSET OF DAYTIME HEATING...POTENTIAL WILL EXIST FOR WET

MICRO BURSTS AND POSSIBLY MARGINALLY VR HAIL.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 31030.





...CORFIDI

