Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 69, NWS Lake Charles, LA

May 26, 2001Jefferson County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at May 26, 2001, 4:24 PM CDT for Jefferson County, Texas. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 26, 2001, 4:24 PM CDT (21:24 UTC)
Expired
May 26, 2001, 5:30 PM CDT
In force
66 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Jefferson County, TX

The radar

The Lake Charles radar (KLCH), 95 km from the middle of the area, began a volume at 21:25 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, 9.4 hours before the alert went out and 96 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 2001-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1666 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 2001-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.193958Sfc1 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
1666 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
730 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

824 
WUUS54 KLCH 262126
SVRLCH
TXC245-262230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
424 PM CDT SAT MAY 26 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN SOUTHEAST TEXAS

* UNTIL 530 PM CDT

* AT 417 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES WEST OF CENTRAL GARDENS...MOVING
  SOUTHEAST AT 15 MPH.

* THIS STORM WILL BE NEAR...
  NEDERLAND BY 440 PM CDT
  SEA RIM STATE PARK...
  PORT ARTHUR BY 515 PM CDT
  SABINE PASS BY 530 PM CDT

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

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

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

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 May 26, 1:52 PM CDT, 2 hours 32 minutes earlier.

Area forecast discussion, May 26, 1:52 PM CDT, 2 hours 32 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION...CORRECT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
152 PM CDT SAT MAY 26 2001

.TONITE...
FOR THIS EVENING THE PRE-TSTM ENVIRONMENT LOOKS SOMEWHAT UNFRIENDLY.
BELIEVE THAT MID LVL WESTERLIES WILL ADVECT SOME SHWRS/TSTMS INTO
FCST AREA...WHERE THEY WILL SUBSEQUENTLY FALL APART. FOR THE OVERNITE
HOURS...THE TYPICAL RADIATION INVRN RETURNS. THE MESOETA MODEL
DEPICTS A DRY-OUT AT GRAD LVL (900 MB)...WHICH MAY INITIATE VAPOR
DRIVEN PLUMES OFF THE SFC. XPC MORNING LOW CLOUDS...PATCHY FOG PSBL.
FTHR...A RATHER STEEP BACLIN ZONE SETS UP ACRS THE CSTL MARSHES (MID
60S INLAND TO NR 70 AT THE COAST).

.SUN AND SUN NITE...
XPC SCT AFTN TSTMS OVR E-CNTRL LOUISIANA...ISOLD ELSW. LANDWARD OF
THE SEA BREEZE...THE AFTN BLYR WILL DEEPEN TO 4000 FT...CAPPED BY A
WEAK INVRN. AFTN MAXIMUMS WILL BE NEAR NORMAL. SUN NITE LOOKS LIKE A
REPEAT OF SAT NITE.

.MON...CORRECTION
INCRG GULF BREEZES SHUD PUSH THE SEA BREEZE FTHR INLAND...OTRW XPC
LITTLE CHANGE FROM SUNDAY.

.LCH...NONE.

.PRELIM NUMBERS...
AEX 63/85/69/88/74 33000
BPT 68/87/73/87/76 21000
LCH 68/87/72/86/76 21000
LFT 66/87/72/87/76 22000
$$y
TRARES

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 2:39 PM CDTSevere Thunderstorm WarningLCHHardin, Orange66 min
May 26, 4:01 PM CDTSevere Thunderstorm WarningLCHOrange59 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.