Tornado Watch 874

Issued

Nov 26, 2005, 1:07 PM CST (19:07 UTC)

Expired

Nov 26, 2005, 5:54 PM CST

In force

5 hr

Issued by

the Storm Prediction Center

Counties Acadia Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Iberia Parish, LA, Jefferson Davis Parish, LA, Lafayette Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA, Vermilion Parish, LA

The Lake Charles radar (KLCH), 50 km from the middle of the area, began a volume at 19:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

• Mesoscale Discussion 2467Nov 26, 10:05 AM CST
• Mesoscale Discussion 2468Nov 26, 2:25 PM CST

000 
WWUS20 KWNS 261904
SEL4  
SPC WW 261904
LAZ000-CWZ000-270100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 874
NWS STORM PREDICTION CENTER NORMAN OK
105 PM CST SAT NOV 26 2005

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       SOUTHWEST AND SOUTH CENTRAL LOUISIANA
       COASTAL WATERS

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 105 PM UNTIL
700 PM CST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 30 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTHWEST OF LAKE CHARLES
LOUISIANA TO 35 MILES EAST OF INTRACOASTAL CITY LOUISIANA.  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...MCS IS MOVING SLOWLY EWD INTO SW LA...AND THIS
CONVECTION SHOULD CONTINUE EWD THROUGH THE AFTERNOON.  SEVERAL
SUPERCELLS HAVE FORMED AND MERGED INTO THE CONVECTIVE LINE NEAR THE
COAST AND OFFSHORE...THOUGH A RELATIVELY STABLE LAYER NEAR THE
SURFACE HAS LIMITED ANY SEVERE THREAT INLAND TO THIS POINT.  AS THE
L0W-LEVELS GRADUALLY DESTABILIZE THIS AFTERNOON ACROSS SRN LA TO THE
E OF THE ONGOING STORMS...THE THREAT FOR DAMAGING WINDS AND A
TORNADO OR TWO WILL INCREASE ACROSS THE COASTAL PARISHES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 22025.


...THOMPSON

300,0934 301,0913 292,0913 291,0934

Tornado Watches in Louisiana, 2005Every tornado watch in 2005

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.