University Operations Center (UOC)
This is an automatically generated special information alert from the UT Tyler Office of Emergency Management:
WWUS20 KWNS 121257
SEL3
SPC WW 121257
LAZ000-TXZ000-CWZ000-122100-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 143
NWS STORM PREDICTION CENTER NORMAN OK
800 AM CDT SUN APR 12 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHWEST LOUISIANA
SOUTHEAST TEXAS
COASTAL WATERS
EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 800 AM UNTIL 400
PM 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 65 STATUTE
MILES EITHER SIDE OF A LINE FROM 25 MILES WEST OF HOUSTON TEXAS
TO 25 MILES NORTHEAST OF LAFAYETTE LOUISIANA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU3).
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 142...
DISCUSSION...SCTD SLIGHTLY ELEVATED STORMS THAT HAVE PERSISTED SINCE
EARLIER THIS MORNING OVER THE NWRN GULF AND THE UPR TX GULF CSTL PLN
HAVE SHOWN A STRENGTHENING TENDENCY IN THE PAST HOUR...POSSIBLY IN
RESPONSE TO INCREASED UPR DIFFLUENCE WITH THE CONTINUED EWD MOTION
OF NM UPR LOW. COUPLED WITH INCREASINGLY RICH LOW LVL MOISTURE
INFLOW... STRENGTHENING LOW TO MID LVL WIND FIELD...AND SFC
HEATING...SETUP MAY BECOME SUPPORTIVE OF LOW LVL STORM
ROTATION/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 22035.
...CORFIDI
P. Low/UOC
END OF ALERT
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