Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 135, NWS Lake Charles, LA

October 13, 2001Rapides Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Oct 13, 2001, 6:02 AM CDT for Rapides Parish, Louisiana. It was in force for 58 min. 2 reports 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, 6:02 AM CDT (11:02 UTC)
Expired
Oct 13, 2001, 7:00 AM CDT
In force
58 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Rapides Parish, LA

The radar

The Ft Polk radar (KPOE), 39 km from the middle of the area, began a volume at 11:04 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.

What was reported inside it

TimeReportWhereRemark
Oct 13, 6:20 AM CDTThunderstorm Wind 50 ETioga, LA
Oct 13, 7:10 AM CDTThunderstorm WindPineville, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 13, 4:00 AM CDTTornado WatchSPC5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 11.0 hours before the alert went out and 139 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 00:00Z on 2001-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2537 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2001-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.19395878Sfc1 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
2537 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
640 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.9
Supercell composite
6.4

Open this sounding in Storm Lab

The text

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

345 
WUUS54 KLCH 131102
SVRLCH
LAC079-131200-

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

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RAPIDES PARISH IN CENTRAL LOUISIANA

* UNTIL 700 AM CDT

* AT 600 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES EAST OF HINESTON...MOVING NORTHEAST AT
  20 MPH.

* THIS STORM WILL BE NEAR...
  GARDNER BY 615 AM CDT
  ALEXANDRIA BY 640 AM CDT
  PINEVILLE BY 655 AM CDT
  BALL BY 700 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 900 AM. SEVERE THUNDERSTORMS 
CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING.

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

LAT...LON 3114 9283 3102 9268 3138 9218 3157 9240

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, 2 hours 50 minutes earlier.

Area forecast discussion, Oct 13, 3:12 AM CDT, 2 hours 50 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, 12:57 AM CDT, 5 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
1257 AM CDT SAT OCT 13 2001

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

1100 PM    PINEVILLE                 LA   WIND DAMAGE
10/13/01   RAPIDES                        RAPIDES 911 REPORTED TREES
                                          DOWN FROM HINESTON TO
                                          PINEVILLE.
Local storm report, Oct 13, 5:17 AM CDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
517 AM CDT SAT OCT 13 2001

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

510 AM     BEAUMONT                  TX   WIND DAMAGE
10/13/01   JEFFERSON                      LOCAL TV MET REPORTED
                                          61 MPH WIND GUST.
Local storm report, Oct 13, 5:58 AM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
558 AM CDT SAT OCT 13 2001

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

545 AM     STARKS                    LA   WIND DAMAGE
10/13/01   CALCASIEU                      TREES BLOWN DOWN

550 AM     JOHNSON BAYOU             LA   WIND DAMAGE
10/13/01   CAMERON                        TREES DOWN EVERYWHERE

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, 6:25 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, 9:05 AM CDTSevere Thunderstorm WarningLCHAcadia25 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; radar from the NEXRAD Level II archive.