Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 92, NWS Lake Charles, LA

June 29, 2001Rapides Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jun 29, 2001, 3:02 PM CDT for Rapides Parish, Louisiana. It was in force for 58 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: Jun 29, 2001, 3:02 PM CDT (20:02 UTC)
Expired: Jun 29, 2001, 4:00 PM CDT
In force: 58 min
Issued by: NWS Lake Charles, LA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Rapides Parish, LA

What was reported inside it

Time	Report	Where	Remark
Jun 29, 3:10 PM CDT	Thunderstorm Wind	Countywide, 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.0 hours before the alert went out and 153 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: 1679 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 967 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 26 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.

000 
WUUS54 KLCH 292003
SVRLCH

LAC079-292100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
302 PM CDT FRI JUN 29 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 400 PM CDT

* AT 259 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER ALEXANDRIA...MOVING EAST AT 5 MPH.

* LOCATIONS IN THE PATH OF THIS STORM INCLUDE ALEXANDRIA AND
  PINEVILLE.

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 WEA8THER SERVICE.

LAT...LON 3140 9252 3124 9262 3111 9225 3147 9227

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 Jun 29, 3:00 PM CDT, 2 minutes earlier.

Area forecast discussion, Jun 29, 3:00 PM CDT, 2 minutes before

SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
300 PM CDT FRI JUN 29 2001

CURRENTLY...STRONGEST SHOWER AND THUNDERSTORM ACTIVITY LOCATED
OVER THE LAKES AREA OF SOUTHEAST TEXAS AND CENTRAL LOUISIANA
ALONG AN OLD OUTFLOW BOUNDARY SAGGING SOUTH INTO THE NORTHERN
PORTIONS OF THE FORECAST AREA.

SHOWERS AND THUNDERSTORMS LOOK LIKELY THIS WEEKEND. MOIST TROPICAL
AIRMASS WILL CONTINUE TO BE IN PLACE WITH PRECIPITABLE WATER VALUES
IN THE 1.5 TO 2 INCH RANGE. MEANWHILE...MID LEVEL LOW PRESSURE SYSTEM
WILL DRIFT TO THE SOUTHWEST FROM THE MID MISSISSIPPI VALLEY TO EAST
TEXAS.

WITH AFTERNOON CAPE VALUES RUNNING OVER 3500 J/KG EACH DAY AND MID
LEVEL COOLING AS LOW DRIFTS INTO THE FORECAST AREA...THE POSSIBILITY
FOR PULSE SEVERE STORMS WILL CONTINUE. ALSO...WITH THE HIGH PWAT
VALUES...THE POSSIBILITY FOR HEAVY RAINFALL WILL EXIST.

EXTENDED...
WET TROPICAL PATTERN CONTI,NUES INTO EARLY PART OF NEXT WEEK.

.LCH...NONE.

.PRELIM NUMBERS...
BPT 72/87/72/87/73 26362
LCH 71/87/71/87/73 26362
LFT 71/87/71/87/73 26362
AEX 69/87/70/86/71 36462

7-RUA

In the hours before

Local storm report, Jun 29, 1:03 PM CDT, 1 hour 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
103 PM CDT FRI JUN 29 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1130 AM    HACKBERRY              LA      WIND DAMAGE
06/29/01   CAMERON                        PUBLIC RPT LIGHT POLE
                                          BLOWN DOWN AT PARK

Local storm report, Jun 29, 2:33 PM CDT, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
233 PM CDT FRI JUN 29 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

150 PM     2 S WOODVILLE          TX      WIND DAMAGE
06/29/01   TYLER                          TREES DOWNED ON POWER LINES

215 PM     MAURICEVILLE           TX      WIND DAMAGE
06/29/01   ORANGE                         SMALL TREES BLOWN DOWN

R. ERICKSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 4:15 PM CDT	Severe Thunderstorm Warning	LCH	Saint Landry	60 min
Jun 29, 5:34 PM CDT	Severe Thunderstorm Warning	LCH	Calcasieu	41 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2001 Every 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.