Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 161, NWS Lake Charles, LA

November 28, 2001Calcasieu Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Nov 28, 2001, 3:10 PM CST for Calcasieu 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
Nov 28, 2001, 3:10 PM CST (21:10 UTC)
Expired
Nov 28, 2001, 4:15 PM CST
In force
65 min
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Calcasieu Parish, LA

The radar

The Lake Charles radar (KLCH), 12 km from the middle of the area, began a volume at 21:09 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
Nov 28, 3:40 PM CSTHail 0.75Moss Bluff, 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
Nov 28, 11:00 AM CSTTornado WatchSPC5 hr
Nov 28, 2:45 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.2 hours before the alert went out and 13 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 2001-11-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1980 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 12:00Z on 2001-11-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 199 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
1980 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
487 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
199 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
2.9
Supercell composite
10.6

Open this sounding in Storm Lab

The text

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

050 
WUUS54 KLCH 282111
SVRLCH
LAC019-282215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
310 PM CST WED NOV 28 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 415 PM CST

* AT 304 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 18 MILES SOUTHWEST OF LAKE CHARLES...MOVING  
  NORTHEAST AT 40 MPH.

* THIS STORM WILL BE NEAR...
  CARLYSS BY 315 PM CST
  SULPHUR BY 320 PM CST
  WESTLAKE...LAKE CHARLES BY 325 PM CST
  MOSS BLUFF BY 335 PM CST

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CST WEDNESDAY
AFTERNOON FOR SOUTHWESTERN LOUISIANA. A TORNADO WATCH ALSO REMAINS IN
EFFECT UNTIL 800 PM CST WEDNESDAY EVENING FOR SOUTHWESTERN LOUISIANA.

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

LAT...LON 3031 9305 3038 9340 3009 9351 3007 9324

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 Nov 28, 3:01 PM CST, 9 minutes earlier.

Area forecast discussion, Nov 28, 3:01 PM CST, 9 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
301 PM CST WED NOV 28 2001

.UPDATED...
A TORNADO WATCH IS NOW IN EFFECT UNTIL 2000 CST. ALSO CORRECTED
LAFAYETTE TEMPERATURES.

.TONIGHT...
STATIONARY COLD FRONT...WHICH EXTENDS ACROSS SOUTHEAST TEXAS AND
THROUGH WEST CENTRAL LOUISIANA...IS FORECAST TO MIGRATE EAST INTO
SOUTH CENTRAL LOUISIANA BY EARLY MORNING. PRE-FRONTAL SHOWERS AND
THUNDERSTORMS ARE EXPECTED. WILL RETAIN SEVERE WORDING ACROSS SOUTH
CENTRAL AND EAST CENTRAL LOUISIANA.

POST FRONTAL RAINS WILL PERSIST...AS DEEP SOUTHERLIES OVER-GLIDE THE
COOLER SURFACE AIR. WILL RETAIN FLASH FLOOD WATCH ACROSS ALL OF
SOUTHWEST LOUISIANA AND ACROSS SOUTHEAST TEXAS.

WINDS WILL PICK UP ACROSS THE COASTAL WATERS. THE MARINE FORECASTER
WILL ISSUE A SMALL CRAFT ADVISORY.

.THURSDAY...
A POLAR TROUGH WILL MOVE THROUGH SOUTHWEST LOUISIANA...USHERING IN
DRIER AIR. RAINS EXPECTED TO END FROM THE WEST...HOWEVER CLOUDS AND
ROBUST COLD AIR ADVECTION WILL CAUSE SUBNORMAL MAXIMUMS.

.PRELIMINARY NUMBERS...
AEX 44/45/30/60/40/67/45 +800000
BPT 40/49/35/64/50/70/50 7500002
LCH 46/50/33/65/47/70/50 9700002
LFT 65/65/32/64/45/71/48 +800002

.LCH...FLOOD WATCH TONIGHT...LAZ027>029-030>033-041>045-051>055
       TORNADO WATCH TONIGHT...LAZ027>029-030>033-041>045-051>055
       FLOOD WATCH TONIGHT...TXZ180>182-201-215-216
       SMALL CRAFT ADVISORY...GMZ450-455-470-475

TRARES

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 27, 11:03 PM CSTSevere Thunderstorm WarningLCHBeauregard57 min
Nov 27, 11:14 PM CSTSpecial Marine WarningLCH2 hr
Nov 27, 11:14 PM CSTSpecial Marine WarningLCH2 hr
Nov 28, 1:12 AM CSTSpecial Marine WarningLCH63 min
Nov 28, 1:12 AM CSTSpecial Marine WarningLCH63 min
Nov 28, 2:10 AM CSTSpecial Marine WarningLCH65 min
Nov 28, 3:36 AM CSTSevere Thunderstorm WarningLCHCameron54 min
Nov 28, 4:24 AM CSTTornado WarningLCHCameron36 min
Nov 28, 4:37 AM CSTTornado WarningLCHCalcasieu53 min
Nov 28, 10:37 AM CSTTornado WarningLCHBeauregard, Calcasieu53 min
Nov 28, 1:29 PM CSTSpecial Marine WarningLCH61 min
Nov 28, 1:47 PM CSTSevere Thunderstorm WarningLCHRapides58 min
Nov 28, 3:53 PM CSTSevere Thunderstorm WarningLCHAllen, Jefferson Davis67 min
Nov 28, 4:54 PM CSTSevere Thunderstorm WarningLCHRapides66 min
Nov 28, 5:28 PM CSTSevere Thunderstorm WarningLCHBeauregard62 min
Nov 28, 5:48 PM CSTSpecial Marine WarningLCH57 min
Nov 28, 5:48 PM CSTSpecial Marine WarningLCH57 min
Nov 28, 5:48 PM CSTSpecial Marine WarningLCH57 min
Nov 28, 5:48 PM CSTSpecial Marine WarningLCH57 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.