Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 157, NWS Lake Charles, LA

August 22, 2000Cameron Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 22, 2000, 2:18 PM CDT for Cameron 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 counties it named.

The facts

Issued
Aug 22, 2000, 2:18 PM CDT (19:18 UTC)
Expired
Aug 22, 2000, 3:15 PM CDT
In force
57 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Cameron Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.3 hours before the alert went out and 30 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 2000-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2112 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 2000-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 square meters per square second.1939Sfc1 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
2112 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
848 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
-9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

447 
WUUS54 KLCH 221918
SVRLCH
LAC023-222015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
218 PM CDT TUE AUG 22 2000

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 315 PM CDT

* AT 216 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER CENTRAL CAMERON PARISH...MOVING NORTHWEST
  AT 15 MPH.

* THIS STORM WILL BE NEAR...
  HACKBERRY BY 245 PM CDT

SEVERE 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.

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 Aug 22, 10:10 AM CDT, 4 hours 8 minutes earlier.

Area forecast discussion, Aug 22, 10:10 AM CDT, 4 hours 8 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1010 AM CDT TUE AUG 22 2000

CURRENT SFC ANALYSIS SHOWS HIGH PRESSURE OVER THE CAROLINAS RIDGING
ACROSS THE NORTHERN GULF...PROVIDING AN EASTERLY TO NORTHEASTERLY
FLOW OVER THE FORECAST AREA NOW. THIS WILL GRADUALLY SHIFT TO A
SOUTHEAST DIRECTION LATER THIS AFTERNOON...WHICH THIS WORDING WILL
BE ADDED TO ALL ZONES. TEMPS LOOK ON TRACK. 88D AND SAT CONTINUE TO
SHOW MOST TSRA ACTIVITY OVER THE COASTAL WATERS...BUT AS OF THIS
WRITING...BEGINNING TO MOVE INTO THE COASTAL PARISHES AND COUNTIES.
THIS WILL PUSH INLAND AS THE SFC WINDS BECOMES SOUTHEAST AND PUSHES
THE SEABREEZE INLAND. WILL WORD 40% SOUTHERN ZONES AND 30% INLAND SE
TX/C LA REGION. AGREE WITH PREVIOUS SHIFT WITH CURRENT INSTABILITY...
MOISTURE AVAILABILITY...AND MID/UPPER 90S AFTERNOON TEMPS...SOME TSRA
MAY POP TO SEVERE LIMITS. UPDATED ZONES TO FOLLOW.

8

;.LCH...
LA...NONE
TX...OZONE ACTION DAY TODAY TXZ201-215-216.

.UPDATED NUMBERS...
AEX 97/72/96/71 313-
BPT 96/75/93/73 413-
LCH 94/74/93/73 413-
LFT 95/74/93/73 413-

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 5:27 PM CDTSevere Thunderstorm WarningLCHAcadia, Allen, Jefferson Davis63 min
Aug 22, 6:10 PM CDTSevere Thunderstorm WarningLCHVernon65 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2000Every severe thunderstorm warning in 2000

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.