Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 148, NWS Lake Charles, LA

October 13, 2001Acadia Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Oct 13, 2001, 9:05 AM CDT for Acadia Parish, Louisiana. It was in force for 25 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Oct 13, 2001, 9:05 AM CDT (14:05 UTC)
Expired
Oct 13, 2001, 9:30 AM CDT
In force
25 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Acadia Parish, LA

What was reported inside it

TimeReportWhereRemark
Oct 13, 9:10 AM CDTThunderstorm WindCrowley, LA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 2.1 hours before the alert went out and 83 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2001-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1582 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2001-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 258 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
1582 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
816 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
258 m²/s²
0-3 km storm-relative helicity
328 m²/s²
Significant tornado parameter
2.8
Supercell composite
11.7

Open this sounding in Storm Lab

The text

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

058 
WUUS54 KLCH 131406
SVRLCH
LAC001-131430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
905 AM CDT SAT OCT 13 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ACADIA PARISH IN SOUTHWEST LOUISIANA

* UNTIL 930 AM CDT

* AT 902 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES SOUTH OF CROWLEY...MOVING NORTHEAST AT
  20 MPH.

* THIS STORM WILL BE NEAR...
  RAYNE BY 910 AM CDT
  MIRE...BRANCH...CHURCH POINT BY 915 AM CDT

SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM. SEVERE THUNDERSTORMS 
CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING.

CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE.

LAT...LON 3019 9250 3010 9237 3031 9215 3044 9222

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 13, 3:12 AM CDT, 5 hours 53 minutes earlier.

Area forecast discussion, Oct 13, 3:12 AM CDT, 5 hours 53 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE LAKE CHARLES LA
230 AM CDT SAT OCT 13 2001

...SEVERE WEATHER AND FLOOD EVENT POSSIBLE ACROSS THE FORECAST AREA
TODAY...

CURRENTLY SQUALL LINE CROSSING I-45 IN THE HOUSTON AREA. PROJECTIONS
WOULD HAVE THIS LINE ENTERING THE WESTERN PORTIONS OF THE FORECAST
AREA (HARDIN AND TYLER COUNTIES) CLOSE TO 3 AM. SCATTERED SHOWERS
AND THUNDERSTORMS DEVELOPING AHEAD OF THIS LINE. STRONG COLD FRONT
LOCATED IN CENTRAL TEXAS WITH DEWPOINTS DROPPING INTO THE LOWER 40S
AND 30S ACROSS WESTERN TEXAS.

FORECAST AREA SHOULD BE UNDER THE GUN TODAY AS INGREDIENTS ARE
THERE FOR SEVERE WEATHER AND HEAVY RAINFALL WITH THE POSSIBILITY OF
FLOODING. COLD FRONT WILL CONTINUE TO PUSH EASTWARD TOWARD THE
FORECAST AREA. AHEAD OF THE FRONT TROPICAL AND UNSTABLE AIRMASS WILL
BE IN PLACE AS PRECIPITABLE WATER VALUES CLOSE TO 2 INCHES WHICH IS
ABOUT 180 PERCENT OF NORMAL ALONG WITH CAPES OF OVER 3000 J/KG.
ALSO...JET COUPLING BETWEEN SUBTROPICAL AND POLAR WILL PROVIDE
STRONG UPPER LEVEL DIVERGENCE. MAIN THREAT WILL BE STRONG STRAIGHT
LINE WINDS...HOWEVER COULD SEE SOME BRIEF TORNADIC ACTIVITY WITH ANY
CELL MERGERS WITH STORMS AHEAD OF THE LINE AND AT THE BOOKENDS OF
THE SQUALL LINE.

WITH THE DEEP TROPICAL AIRMASS IN PLACE...POTENTIAL FOR HEAVY
RAINFALL WITH THIS ACTIVITY IS LIKELY. 1 TO 3 INCHES LOOKS LIKE A
GOOD BET WITH LOCALLY HIGHER AMOUNTS. FFG NUMBERS RANGE FROM 1 1/2 TO
2 INCHES FOR 1 HOUR TO 3 INCHES FOR 6 HOURS. THEREFORE WILL EXTEND
FLOOD WATCH TO COVER ENTIRE FORECAST AREA.

SOME CLEARING MAY TAKE PLACE IN SOUTHEAST TEXAS BY THE END OF THE
FIRST PERIOD AND ACROSS LOUISIANA DURING THE EVENING PERIOD AS 70H
TROF PASSES ACROSS THE AREA.

AS FOR TEMPS...EXPECT A COOL DOWN AS LOWER DEWPOINTS ADVECT IN BEHIND
THE FRONT DURING THE EVENING HOURS.

QUICK LOOK AT THE REST OF THE WEEK...DRY WITH MODERATING
TEMPERATURES.

.LCH...FLOOD WATCH ENTIRE CWA.
       SMALL CRAFT ADVISORY HIGH ISLAND TO ATCHAFALAYA RIVER.

.PRELIM NUMBERS...
AEX 75/55/76/48/76/50 +30000
BPT 78/56/77/54/78/58 +00000
LCH 80/56/77/53/77/57 +20000
LFT 82/58/77/52/77/54 +30000

...ADDED SCA TO WWA LINE...
7-RUA/LGE

In the hours before

Local storm report, Oct 13, 7:25 AM CDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
725 AM CDT SAT OCT 13 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

620 AM     TIOGA                     LA   WIND DAMAGE
10/13/01   RAPIDES                        TREES DOWNED AND WINDOWS BLOWN
                                          OUT OF SEVERAL HOMES.

655 AM     GRAND LAKE                LA   WIND DAMAGE
10/13/01   CAMERON                        TREES DOWN NEAR HEBERT MARINA

655 AM     LEESVILLE                 LA   WIND DAMAGE
10/13/01   VERNON                         TREES DOWNED ACROSS THE AREA
Special weather statement, Oct 13, 7:25 AM CDT, 1 hour 40 minutes before
LAZ027-030-TXZ180>182-201-215-216-131300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
725 AM CDT SAT OCT 13 2001

...TORNADO WATCH NO LONGER IN EFFECT FOR SOUTHEAST TEXAS AND
VERNON AND BEAUREGARD PARISHES OF SOUTHWEST LOUISIANA...

THE INTENSE LINE OF THUNDERSTORMS THAT PRODUCED SEVERE WEATHER HAS
MOVED EAST OF SOUTHEAST TEXAS AND THE LOUISIANA PARISHES OF
VERNON AND BEAUREGARD. THEREFORE...THE TORNADO WATCH IS NO LONGER IN
EFFECT. HOWEVER...THE THREAT OF HEAVY RAIN AND THE POSSIBILITY OF
LOCALIZED FLOODING WILL CONTINUE THROUGH THE MORNING HOURS.

RUA
Local storm report, Oct 13, 7:45 AM CDT, 1 hour 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
745 AM CDT SAT OCT 13 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

530 AM     MERRYVILLE                LA   WIND DAMAGE
10/13/01   BEAUREGARD                     TREES DOWNED

645 AM     PECAN ISLAND              LA   WIND DAMAGE
10/13/01   VERMILION                      MANY TREES DOWNED

700 AM     COUNTYWIDE                LA   WIND DAMAGE
10/13/01   BEAUREGARD                     TREES DOWNED EVERYWHERE

715 AM     LAKE CHARLES              LA   WIND DAMAGE
10/13/01   CALCASIEU                      TREES DOWNED EVERYWHERE
Local storm report, Oct 13, 8:15 AM CDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
815 AM CDT SAT OCT 13 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

700 AM     COUNTYWIDE                LA   WIND DAMAGE
10/13/01   ALLEN                          TREES DOWNED EVERYWHERE

710 AM     PINEVILLE                 LA   WIND DAMAGE
10/13/01   RAPIDES                        TREES DOWNED

730 AM     COUNTYWIDE                LA   WIND DAMAGE
10/13/01   AVOYELLES                      TREES DOWNED EVERYWHERE

800 AM     ELTON                     LA   WIND DAMAGE
10/13/01   ALLEN                          TREES AND POWER LINES DOWN
Local storm report, Oct 13, 8:25 AM CDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
825 AM CDT SAT OCT 13 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

730 AM     FENTON                    LA   WIND DAMAGE
10/13/01   JEFFERSON DAVIS                TREES DOWNED

800 AM     COUNTYWIDE                LA   WIND DAMAGE
10/13/01   EVANGELINE                     TREES DOWNED

820 AM     EVANGELINE                LA   WIND DAMAGE
10/13/01   ACADIA                         TREES DOWNED
Local storm report, Oct 13, 8:44 AM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
844 AM CDT SAT OCT 13 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

835 AM     GUEYDAN                   LA   WIND DAMAGE
10/13/01   VERMILION                      MOBILE HOME LOST ROOF

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 12, 7:12 PM CDTSevere Thunderstorm WarningLCHBeauregard63 min
Oct 12, 7:30 PM CDTTornado WarningLCHBeauregard45 min
Oct 12, 8:43 PM CDTSevere Thunderstorm WarningLCHVernon47 min
Oct 12, 9:00 PM CDTSevere Thunderstorm WarningLCHAllen60 min
Oct 12, 9:48 PM CDTSevere Thunderstorm WarningLCHRapides57 min
Oct 12, 10:47 PM CDTSevere Thunderstorm WarningLCHAvoyelles, Rapides43 min
Oct 13, 4:47 AM CDTSpecial Marine WarningLCH43 min
Oct 13, 4:47 AM CDTSpecial Marine WarningLCH43 min
Oct 13, 5:02 AM CDTTornado WarningLCHBeauregard28 min
Oct 13, 5:05 AM CDTTornado WarningLCHVernon55 min
Oct 13, 5:24 AM CDTTornado WarningLCHBeauregard36 min
Oct 13, 5:33 AM CDTSpecial Marine WarningLCH57 min
Oct 13, 5:33 AM CDTSpecial Marine WarningLCH57 min
Oct 13, 5:40 AM CDTSevere Thunderstorm WarningLCHCalcasieu65 min
Oct 13, 5:48 AM CDTSevere Thunderstorm WarningLCHCameron57 min
Oct 13, 6:02 AM CDTSevere Thunderstorm WarningLCHRapides58 min
Oct 13, 6:25 AM CDTSevere Thunderstorm WarningLCHAllen, Beauregard65 min
Oct 13, 6:34 AM CDTSevere Thunderstorm WarningLCHVermilion56 min
Oct 13, 6:47 AM CDTSevere Thunderstorm WarningLCHCalcasieu, Cameron58 min
Oct 13, 6:57 AM CDTSevere Thunderstorm WarningLCHRapides48 min
Oct 13, 7:00 AM CDTSevere Thunderstorm WarningLCHJefferson Davis60 min
Oct 13, 7:10 AM CDTSevere Thunderstorm WarningLCHAvoyelles65 min
Oct 13, 7:13 AM CDTSevere Thunderstorm WarningLCHEvangeline62 min
Oct 13, 7:26 AM CDTSpecial Marine WarningLCH64 min
Oct 13, 7:26 AM CDTSpecial Marine WarningLCH64 min
Oct 13, 7:26 AM CDTSpecial Marine WarningLCH64 min
Oct 13, 7:26 AM CDTSpecial Marine WarningLCH64 min
Oct 13, 7:32 AM CDTSevere Thunderstorm WarningLCHAllen58 min
Oct 13, 7:56 AM CDTSevere Thunderstorm WarningLCHAcadia64 min
Oct 13, 8:08 AM CDTSevere Thunderstorm WarningLCHVermilion67 min
Oct 13, 8:31 AM CDTSevere Thunderstorm WarningLCHSaint Landry59 min
Oct 13, 8:37 AM CDTTornado WarningLCHAcadia23 min
Oct 13, 8:39 AM CDTTornado WarningLCHVermilion66 min
Oct 13, 8:42 AM CDTSevere Thunderstorm WarningLCHLafayette63 min
Oct 13, 8:51 AM CDTSpecial Marine WarningLCH54 min
Oct 13, 8:51 AM CDTSpecial Marine WarningLCH54 min
Oct 13, 8:51 AM CDTSpecial Marine WarningLCH54 min
Oct 13, 9:24 AM CDTSevere Thunderstorm WarningLCHSaint Martin66 min
Oct 13, 9:43 AM CDTSevere Thunderstorm WarningLCHIberia62 min
Oct 13, 10:25 AM CDTSevere Thunderstorm WarningLCHSt. Mary65 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2001Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.