WWUS20 KWNS 081155
SEL4
SPC WW 081155
TXZ000-CWZ000-090000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 74
STREAMWIZE STORM PREDICTION
655 AM CDT THU JUL 8 2010

STREAMWIZE STORM PREDICTION HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

         TEXAS
         COASTAL WATERS

EFFECTIVE THIS THURSDAY MORNING AND EVENING FROM 655 AM UNTIL 700
PM CDT.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 60 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EITHER SIDE OF A LINE FROM 15 MILES EAST SOUTHEAST OF
HUNTSVILLE TEXAS TO 40 MILES SOUTH SOUTHEAST OF LAREDO TEXAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU4).

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.

DISCUSSION... T,D, 2 IS FORECAST TO STRENGTHEN TO A WEAK TROPICAL
STORM THROUGH THE PERIOD... TROPICAL LOW IS FORECAST TO MAKE
LANDFALL ALONG THE SOUTHERN TX COAST... DEEP CONVECTION WITHIN
THEN NORTHEAST QUADRANT WILL SPREAD INTO SE TX... SUPERCELLS
ARE POSSIBLE WITH BANDS IN THE NORTHEAST QUAD... ISOLATED
TORNADOES ARE POSSIBLE WITH ANY SUPERCELL...

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 50 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 13015.


...WARNER