Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 153, NWS Lake Charles, LA

November 26, 2001Rapides Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Nov 26, 2001, 12:21 PM CST for Rapides Parish, Louisiana. It was in force for 54 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
Nov 26, 2001, 12:21 PM CST (18:21 UTC)
Expired
Nov 26, 2001, 1:15 PM CST
In force
54 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), 48 km from the middle of the area, began a volume at 18:22 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 12:00Z, 6.4 hours before the alert went out and 136 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 2001-11-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1330 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 2001-11-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 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
1330 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.1

Open this sounding in Storm Lab

The text

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

756 
WUUS54 KLCH 261822
SVRLCH
LAC079-261915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1221 PM CST MON NOV 26 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 115 PM CST

* AT 1216 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 20 MILES SOUTH OF ALEXANDRIA...MOVING NORTHEAST
  AT 20 MPH.

* THIS STORM WILL BE NEAR...
  WOODWORTH BY 1235 PM CST
  LECOMPTE BY 1240 PM CST
  ALEXANDRIA BY 1255 PM CST
  PINEVILLE BY 110 PM CST

REMEMBER TORNADOES CAN AND DO FORM WITH LITTLE OR NO WARNING. STORMS 
THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE 
HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN.

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

LAT...LON 3103 9268 3097 9246 3138 9221 3144 9235

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 26, 9:38 AM CST, 2 hours 43 minutes earlier.

Area forecast discussion, Nov 26, 9:38 AM CST, 2 hours 43 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
938 AM CST MON NOV 26 2001

DEW POINTS CURRENTLY RUNNING 15 TO 20 DEGREES ABOVE THIS TIME
YESTERDAY. SOUTHERLY LOW LEVEL WINDS USHERING IN VERY MOIST AIR WITH
MORNING LCH SOUNDING INDICATING PRECIPITABLE WATER AT 1.30 INCHES
COMPARED TO 0.36 INCHES 24 HOURS PRIOR.

THETA-E RIDGE AND ACCOMPANYING LOW LEVEL 30-35 KNOT JET PROGGED TO
HOLD OVER THE REGION THROUGH WEDNESDAY WITH CONTINUING FEED OF
MOISTURE. VERY WET WEATHER PATTERN ON TAP.

CURRENT FORECAST LOOKS GOOD. WILL MAKE NO CHANGES AT THIS TIME.

.PRELIMINARY NUMBERS...
AEX 77/58/64/56/60/36 366893
BPT 80/62/70/57/63/39 466882
LCH 79/63/70/58/65/39 466882
LFT 78/66/73/59/70/39 466895

.LCH...NONE.

MARCOTTE

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.