Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 129, NWS Lake Charles, LA

October 12, 2001Rapides Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Oct 12, 2001, 9:48 PM CDT for Rapides Parish, Louisiana. It was in force for 57 min. No storm report in the archive falls 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.

The facts

Issued
Oct 12, 2001, 9:48 PM CDT (02:48 UTC)
Expired
Oct 12, 2001, 10:45 PM CDT
In force
57 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), 33 km from the middle of the area, began a volume at 02:47 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.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.8 hours before the alert went out and 121 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.

572 
WUUS54 KLCH 130249
SVRLCH
LAC079-130345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...FOR HIGH WINDS AND HAIL
NATIONAL WEATHER SERVICE LAKE CHARLES LA
948 PM CDT FRI OCT 12 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 1045 PM CDT

* AT 948 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES WEST OF GLENMORA...MOVING NORTHEAST AT
  20 MPH.

* THIS STORM WILL BE NEAR...
  CALCASIEU...MCNARY...GLENMORA...HINESTON BY 955 PM CDT
  FOREST HILL BY 1010 PM CDT
  WOODWORTH BY 1025 PM CDT
  ALEXANDRIA BY 1045 PM CDT

THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY LARGE HAIL UP TO 
GOLFBALLS...WHICH COULD CAUSE SIGNIFICANT DAMAGE TO PROPERTY.

DESTRUCTIVE WINDS UP TO 70 MPH CAN BE EXPECTED - TAKE COVER NOW 
VEHICLES AND MOBIL HOMES ARE NOT SAFE.

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

LAT...LON 3111 9281 3091 9280 3091 9259 3116 9232
          3135 9251

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 12, 9:07 PM CDT, 41 minutes earlier.

Area forecast discussion, Oct 12, 9:07 PM CDT, 41 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION...
NATIONAL WEATHER SERVICE LAKE CHARLES LA
907 PM CDT FRI OCT 12 2001

.OVERNIGHT...
ITS BEEN A LONG DAY...COURTESY OF THE SEVERE WEATHER.

.LCH...FFA (FLOOD WATCH) TXZ180>182-201-215-216
    ...                  LAZ027-030-031-041-042-051

.PREVAILING NUMBERS...
AEX 70/78/55/76/49/73/50 4830000
BPT 73/80/56/77/55/75/58 4800000
LCH 72/80/56/77/53/75/57 4800000
LFT 70/83/58/76/52/73/54 4830000

TRARES

In the hours before

Local storm report, Oct 12, 3:54 PM CDT, 5 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
354 PM CDT FRI OCT 12 2001

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

0340 PM    LUMBERTON                 TX   TORNADO
10/12/01   HARDIN                         TREES KNOCKED DOWN...NO
                                          INJURIES REPORTED.

FN
Special weather statement, Oct 12, 3:54 PM CDT, 5 hours 54 minutes before
LAZ028-029-032-033-043>045-052>055-130900-

HEAVY RAIN OUTLOOK
NATIONAL WEATHER SERVICE LAKE CHARLES LA
354 PM CDT FRI OCT 12 2001

...HEAVY RAINS FOR SATURDAY...

AN APPROACHING TEXAS COLD FRONT WILL LIFT A DEEP GULF AIR MASS...
THUS GENERATING TROPICAL DOWNPOURS. ALSO SOME OF THESE THUNDERSTORMS
COULD BECOME SEVERE. AVERAGE RAINFALL TOTALS WILL RANGE BETWEEN ONE
AND TWO INCHES...WITH LOCAL AMOUNTS NEAR THREE INCHES. THE RAINS
SHOULD BE TAPERING OFF BY LATE AFTERNOON.

TRARES
Local storm report, Oct 12, 4:23 PM CDT, 5 hours 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
423 PM CDT FRI OCT 12 2001

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

0405 PM    2 S EVADALE               TX   TORNADO
10/12/01   JASPER                         CONFIRMED TORNADO
                                          TOUCHDOWN BY THE EVADALE
                                          FIRE DEPARTMENT TRAVELING
                                          SOUTH ON HWY 105

FN

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, 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, 9:05 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.