Alert archive / Louisiana / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 49, NWS Lake Charles, LA

July 22, 2002Jefferson Davis Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jul 22, 2002, 8:26 PM CDT for Jefferson Davis Parish, Louisiana. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 22, 2002, 8:26 PM CDT (01:26 UTC)
Expired: Jul 22, 2002, 9:30 PM CDT
In force: 64 min
Issued by: NWS Lake Charles, LA
Area: Counties, with a storm outline in the text

County Jefferson Davis Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 1.4 hours before the alert went out and 50 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3548 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1067 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 31 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.

643 
WUUS54 KLCH 230126
SVRLCH
LAC053-230230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
825 PM CDT MON JUL 22 2002

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON DAVIS PARISH IN SOUTHWEST LOUISIANA

* UNTIL 930 PM CDT

* AT 818 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 16 MILES NORTHEAST OF JENNINGS...MOVING
  SOUTHWEST AT 10 MPH.

* THIS STORM WILL BE NEAR...
  HATHAWAY BY 915 PM CDT
  JENNINGS...ROANOKE...WELSH BY 930 PM CDT

DESTRUCTIVE WINDS CAN BE EXPECTED -VEHICLES AND MOBILE HOMES ARE NOT 
SAFE. TAKE COVER IMMEDIATELY

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

LAT...LON 3026 9263 3048 9262 3034 9291 3007 9279

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 7:07 PM CDT	Severe Thunderstorm Warning	LCH	Saint Landry	53 min
Jul 22, 7:16 PM CDT	Severe Thunderstorm Warning	LCH	Evangeline	59 min
Jul 22, 7:27 PM CDT	Severe Thunderstorm Warning	LCH	Vernon	63 min
Jul 22, 7:46 PM CDT	Severe Thunderstorm Warning	LCH	Allen	59 min
Jul 22, 8:09 PM CDT	Severe Thunderstorm Warning	LCH	Acadia	66 min
Jul 22, 8:31 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard	59 min
Jul 22, 8:57 PM CDT	Severe Thunderstorm Warning	LCH	Vermilion	63 min
Jul 22, 10:00 PM CDT	Special Marine Warning	LCH		60 min
Jul 23, 5:03 PM CDT	Severe Thunderstorm Warning	LCH	Allen	62 min
Jul 23, 5:28 PM CDT	Special Marine Warning	LCH		62 min
Jul 23, 5:44 PM CDT	Severe Thunderstorm Warning	LCH	Avoyelles, Rapides	61 min
Jul 23, 6:05 PM CDT	Severe Thunderstorm Warning	LCH	Allen	30 min
Jul 23, 6:06 PM CDT	Severe Thunderstorm Warning	LCH	Allen	29 min
Jul 23, 6:28 PM CDT	Severe Thunderstorm Warning	LCH	Jefferson Davis	62 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2002 Every severe thunderstorm warning in 2002

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.