Alert archive / Louisiana / Tornado Watches in 2000

Tornado Watch 781

November 6, 20006 parishes in Louisiana; 6 counties in Texas

The Storm Prediction Center issued this tornado watch at Nov 6, 2000, 12:00 AM CST for 6 parishes in Louisiana; 6 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Nov 6, 2000, 12:00 AM CST (06:00 UTC)
Expired: Nov 6, 2000, 5:00 AM CST
In force: 5 hr
Issued by: the Storm Prediction Center

Counties Allen Parish, LA, Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Evangeline Parish, LA, Jefferson Davis Parish, LA, Chambers County, TX, Hardin County, TX, Jasper County, TX, Jefferson County, TX, Newton County, TX, Orange County, TX

Warnings issued inside it

1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Nov 6, 12:13 AM CST	Severe Thunderstorm Warning	LCH	Hardin, Tyler	62 min

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 6.0 hours before the alert went out and 61 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 239 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 814 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

853 
WWUS9 KMKC 060552
SEL1  

SEL1  
MKC WW 060545
LAZ000-TXZ000-061100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 781
STORM PREDICTION CENTER NORMAN OK
1145 PM CST SUN NOV 5 2000

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

   SOUTHWESTERN LOUISIANA                          
   EXTREME SOUTHEASTERN TEXAS                              
   ADJACENT COASTAL WATERS


EFFECTIVE THIS MONDAY MORNING FROM MIDNIGHT CST UNTIL 500 AM CST.

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

THE TORNADO WATCH AREA IS ALONG AND 55 STATUTE MILES EAST AND WEST
OF A LINE FROM 35 MILES SOUTH OF PORT ARTHUR TEXAS TO 5 MILES EAST
NORTHEAST OF FORT POLK LOUISIANA.

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 780...

DISCUSSION...BAND OF STRONG THUNDERSTORMS CONTINUES TO MOVE EWD
ABOUT 35 KT WITH RISK OF DAMAGING WINDS AND ISOLATED TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH...EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 24035.

...JOHNS

310,0921 292,0930 292,0945 310,0940

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 5, 8:00 PM CST	Tornado Watch	SPC	Bossier, Caddo, Claiborne, De Soto, Red River, Webster	6 hr
Nov 6, 2:30 PM CST	Tornado Watch	SPC	Plaquemines, Saint Bernard	5 hr

Nearby

Tornado Watches in Louisiana, 2000 Tornado Watches in Texas, 2000 Every tornado watch in 2000

Sources

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.