Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 151, NWS Lake Charles, LA

October 13, 2001St. Mary Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Oct 13, 2001, 10:25 AM CDT for St. Mary Parish, Louisiana. It was in force for 65 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, 10:25 AM CDT (15:25 UTC)
Expired: Oct 13, 2001, 11:30 AM CDT
In force: 65 min
Issued by: NWS Lake Charles, LA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County St. Mary Parish, LA

What was reported inside it

Time	Report	Where	Remark
Oct 13, 11:10 AM CDT	Thunderstorm Wind	Franklin, 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.

Issued	Product	Office	Lasted
Oct 13, 8:00 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.4 hours before the alert went out and 158 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: 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.

820 
WUUS54 KLCH 131526
SVRLCH
LAC101-131630-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1025 AM CDT SAT OCT 13 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ST. MARY PARISH IN SOUTH CENTRAL LOUISIANA

* UNTIL 1130 AM CDT

* AT 1023 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 13 MILES SOUTHWEST OF FRANKLIN...MOVING
  NORTHEAST AT 20 MPH.

* THIS STORM WILL BE NEAR...
  FRANKLIN...BALDWIN BY 1055 AM CDT
  CENTERVILLE...CHARENTON BY 1100 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 2969 9183 2953 9165 2976 9137 2996 9147

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, 9:47 AM CDT, 38 minutes earlier.

Area forecast discussion, Oct 13, 9:47 AM CDT, 38 minutes before

SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION...
NATIONAL WEATHER SERVICE LAKE CHARLES LA
947 AM CDT SAT OCT 13 2001

.THIS AFTERNOON...
SEVERE WEATHER MODE ONCE AGAIN. FLOODING RAINS MAY BE A PROBLEM
TODAY. CERTAIN COUNTIES/PARISHES THAT ARE AT PARTICULAR RISK ARE...

JEFFERSON AND HARDIN COUNTIES
BEAUREGARD AND CALCASIEU AND JEFFERSON DAVIS PARISHES.

AN ADDITIONAL ONE TO TWO INCHES OF RAIN WILL PUSH RAINFALL TOTALS
ABOVE THE FLASH FLOOD VALUES.

FINALLY...I WILL LOWER THE AFTERNOON MAXIMUMS SLIGHTLY...IN RESPONSE
TO RAIN COOLED AIR AND CLOUD COVER.

.LCH...FLOOD WATCH ENTIRE CWA

.PREVAILING NUMBERS...
AEX 72/55/76/48/76/50 +30000
BPT 67/56/77/54/78/58 +00000
LCH 70/56/77/53/77/57 +20000
LFT 76/58/77/52/77/54 +30000

RUA/TRARES

In the hours before

Local storm report, Oct 13, 7:45 AM CDT, 2 hours 40 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, 2 hours 10 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, 2 hours 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, 1 hour 41 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

Local storm report, Oct 13, 9:35 AM CDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
935 AM CDT SAT OCT 13 2001

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

500 AM     COUNTYWIDE                TX   WIND DAMAGE
10/13/01   ORANGE                         TREES DOWN EVERYWHERE.
                                          ONE BARN DESTROYED NEAR
                                          MAURICEVILLE.

900 AM     COUNTYWIDE                LA   WIND DAMAGE
10/13/01   ST. LANDRY                     TREES DOWN EVERYWHERE

Local storm report, Oct 13, 10:00 AM CDT, 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1000 AM CDT SAT OCT 13 2001

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

845 AM     KAPLAN                    LA   WIND DAMAGE
10/13/01   VERMILION                      DAMAGE TO HOMES

910 AM     CROWLEY                   LA   WIND DAMAGE
10/13/01   ACADIA                         MOBILE HOMES DAMAGED

935 AM     YOUNGSVILLE               LA   WIND DAMAGE
10/13/01   LAFAYETTE                      DAMAGE TO PATIO AREA

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 12, 7:12 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard	63 min
Oct 12, 7:30 PM CDT	Tornado Warning	LCH	Beauregard	45 min
Oct 12, 8:43 PM CDT	Severe Thunderstorm Warning	LCH	Vernon	47 min
Oct 12, 9:00 PM CDT	Severe Thunderstorm Warning	LCH	Allen	60 min
Oct 12, 9:48 PM CDT	Severe Thunderstorm Warning	LCH	Rapides	57 min
Oct 12, 10:47 PM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Rapides	43 min
Oct 13, 4:47 AM CDT	Special Marine Warning	LCH		43 min
Oct 13, 4:47 AM CDT	Special Marine Warning	LCH		43 min
Oct 13, 5:02 AM CDT	Tornado Warning	LCH	Beauregard	28 min
Oct 13, 5:05 AM CDT	Tornado Warning	LCH	Vernon	55 min
Oct 13, 5:24 AM CDT	Tornado Warning	LCH	Beauregard	36 min
Oct 13, 5:33 AM CDT	Special Marine Warning	LCH		57 min
Oct 13, 5:33 AM CDT	Special Marine Warning	LCH		57 min
Oct 13, 5:40 AM CDT	Severe Thunderstorm Warning	LCH	Calcasieu	65 min
Oct 13, 5:48 AM CDT	Severe Thunderstorm Warning	LCH	Cameron	57 min
Oct 13, 6:02 AM CDT	Severe Thunderstorm Warning	LCH	Rapides	58 min
Oct 13, 6:25 AM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard	65 min
Oct 13, 6:34 AM CDT	Severe Thunderstorm Warning	LCH	Vermilion	56 min
Oct 13, 6:47 AM CDT	Severe Thunderstorm Warning	LCH	Calcasieu, Cameron	58 min
Oct 13, 6:57 AM CDT	Severe Thunderstorm Warning	LCH	Rapides	48 min
Oct 13, 7:00 AM CDT	Severe Thunderstorm Warning	LCH	Jefferson Davis	60 min
Oct 13, 7:10 AM CDT	Severe Thunderstorm Warning	LCH	Avoyelles	65 min
Oct 13, 7:13 AM CDT	Severe Thunderstorm Warning	LCH	Evangeline	62 min
Oct 13, 7:26 AM CDT	Special Marine Warning	LCH		64 min
Oct 13, 7:26 AM CDT	Special Marine Warning	LCH		64 min
Oct 13, 7:26 AM CDT	Special Marine Warning	LCH		64 min
Oct 13, 7:26 AM CDT	Special Marine Warning	LCH		64 min
Oct 13, 7:32 AM CDT	Severe Thunderstorm Warning	LCH	Allen	58 min
Oct 13, 7:56 AM CDT	Severe Thunderstorm Warning	LCH	Acadia	64 min
Oct 13, 8:08 AM CDT	Severe Thunderstorm Warning	LCH	Vermilion	67 min
Oct 13, 8:31 AM CDT	Severe Thunderstorm Warning	LCH	Saint Landry	59 min
Oct 13, 8:37 AM CDT	Tornado Warning	LCH	Acadia	23 min
Oct 13, 8:39 AM CDT	Tornado Warning	LCH	Vermilion	66 min
Oct 13, 8:42 AM CDT	Severe Thunderstorm Warning	LCH	Lafayette	63 min
Oct 13, 8:51 AM CDT	Special Marine Warning	LCH		54 min
Oct 13, 8:51 AM CDT	Special Marine Warning	LCH		54 min
Oct 13, 8:51 AM CDT	Special Marine Warning	LCH		54 min
Oct 13, 9:05 AM CDT	Severe Thunderstorm Warning	LCH	Acadia	25 min
Oct 13, 9:24 AM CDT	Severe Thunderstorm Warning	LCH	Saint Martin	66 min
Oct 13, 9:43 AM CDT	Severe Thunderstorm Warning	LCH	Iberia	62 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2001 Every 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.