Tornado Watch 895

Issued

Nov 24, 2004, 2:50 AM CST (08:50 UTC)

Expired

Nov 24, 2004, 6:00 AM CST

In force

3 hr

Issued by

the Storm Prediction Center

Counties Ascension Parish, LA, Assumption Parish, LA, East Baton Rouge Parish, LA, Iberville Parish, LA, Jefferson Parish, LA, Lafourche Parish, LA, Livingston Parish, LA, Orleans Parish, LA, Plaquemines Parish, LA, Saint Bernard Parish, LA, Saint Charles Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Tammany Parish, LA, St. Mary Parish, LA, Terrebonne Parish, LA, West Baton Rouge Parish, LA, Hancock County, MS, Harrison County, MS, Jackson County, MS

• Mesoscale Discussion 2452Nov 24, 12:30 AM CST
• Mesoscale Discussion 2453Nov 24, 1:28 AM CST
• Mesoscale Discussion 2457Nov 24, 5:35 AM CST

790 
WWUS20 KWNS 240848
SEL5  
SPC WW 240850
LAZ000-MSZ000-CWZ000-241200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 895
NWS STORM PREDICTION CENTER NORMAN OK
250 AM CST WED NOV 24 2004

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

       SOUTHEAST LOUISIANA
       EXTREME SOUTHERN MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS WEDNESDAY MORNING FROM 250 AM UNTIL 600 AM CST.

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 ALONG AND 50 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 50 MILES SOUTH SOUTHWEST OF BATON ROUGE
LOUISIANA TO 65 MILES SOUTHEAST OF GULFPORT MISSISSIPPI.

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...THIS TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 892. WATCH NUMBER 892 WILL NOT BE IN
EFFECT AFTER 250 AM CST. CONTINUE...WW 891...WW 893...WW 894...

DISCUSSION...SEVERAL SUPERCELL STORMS HAVE DEVELOPED AHEAD OF
INTENSE SQUALL LINE OVER SOUTH CENTRAL LA.  VERTICAL SHEAR AND
INSTABILITY PARAMETERS APPEAR FAVORABLE FOR A RISK OF TORNADOES IN
THIS REGION...ALONG WITH DAMAGING WINDS AND HAIL.

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 24035.


...HART

303,0912 302,0881 290,0881 290,0912

Tornado Watches in Louisiana, 2004Tornado Watches in Mississippi, 2004Every tornado watch in 2004

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.