Alert archive / Louisiana / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 70, NWS Lake Charles, LA

July 24, 2002Calcasieu Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jul 24, 2002, 10:31 PM CDT for Calcasieu Parish, Louisiana. It was in force for 59 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: Jul 24, 2002, 10:31 PM CDT (03:31 UTC)
Expired: Jul 24, 2002, 11:30 PM CDT
In force: 59 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

County Calcasieu Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.5 hours before the alert went out and 19 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: 3530 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1211 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 68 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.

778 
WUUS54 KLCH 250331
SVRLCH
LAC019-250430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1031 PM CDT WED JUL 24 2002

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 1130 PM CDT

* AT 1029 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES NORTHWEST OF DE QUINCY...MOVING SOUTH
  AT 5 MPH.

* THIS STORM WILL BE NEAR...
  DE QUINCY BY 1110 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 Jul 24, 10:20 PM CDT, 11 minutes earlier.

Area forecast discussion, Jul 24, 10:20 PM CDT, 11 minutes before

SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1020 PM CDT WED JUL 24 2002

CURRENT DOPPLER RADAR INDICATES THUNDERSTORM ACTIVITY CONTINUING
TO BUILD ACROSS BEAUREGARD PARISH AND PORTIONS OF SOUTHEAST TEXAS
THIS EVENING. WITH STORMS STILL ON THE RADAR...WILL HOLD OFF ON
REISSUING THE ZONES AT THIS TIME.

.LCH...OZONE ACTION DAY FOR SE TX...TXZ201-215-216

.PREVAILING NUMBERS...
AEX 73/92/75/95/75/97/75 4653222
BPT 77/91/77/93/77/94/76 4653222
LCH 77/91/77/93/76/94/76 4653222
LFT 76/91/76/93/76/95/76 4653222

MAYEAUX

In the hours before

Local storm report, Jul 24, 7:54 PM CDT, 2 hours 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
754 PM CDT WED JUL 24 2002

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

0715 PM    LEBLEU SETTLEMENT         LA   1.75 INCH HAIL
07/23/02   CALCASIEU                      REPORTED BY PUBLIC

MM

Local storm report, Jul 24, 9:57 PM CDT, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
957 PM CDT WED JUL 24 2002

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

0345 PM    LONGVILLE                 LA   WIND DAMAGE
07/24/02   BEAUREGARD                     SEVERAL TREES DOWN
                                          REPORTED BY BEAUREGARD
                                          ELECTRIC COMPANY.

0430 PM    KINDER                    LA   WIND DAMAGE
07/24/02   ALLEN                          SEVERAL TREES REPORTED
                                          DOWN BY BEAUREGARD ELECTRIC
                                          COMPANY.

0550 PM    MIRE                      LA   1.50 INCH HAIL
07/24/02   ACADIA                         REPORTED BY LOCAL
                                          TELEVISION.

0630 PM    NEW IBERIA                LA   WIND DAMAGE
07/24/02   IBERIA                         LAW ENFORCEMENT REPORTED
                                          POLES AND ELECTRICAL LINES
                                          DOWN ACROSS THE PARISH.

0630 PM    LAFAYETTE                 LA   WIND DAMAGE
07/24/02   LAFAYETTE                      LAW ENFORCEMENT REPORTED
                                          POWERLINES...TELEPHONE
                                          POLES...AND TREES DOWN
                                          ACROSS THE CITY.

0640 PM    BREAUX BRIDGE             LA   WIND DAMAGE
07/24/02   UPPER ST MARTIN                LAW ENFORCEMENT REPORTED
                                          POLES DOWN ON DERMELIE
                                          CALIAS ROAD.

0645 PM    BROOKELAND                TX   WIND DAMAGE
07/24/02   JASPER                         LAW ENFORCEMENT REPORTED
                                          TREES DOWN AT RYAL ACRES.

0645 PM    IOTA                      LA   WIND DAMAGE
07/24/02   ACADIA                         LAW ENFORCEMENT REPORTED
                                          TREE FELL ONTO PEACH STREET
                                          IN IOTA.

0650 PM    GUEYDAN                   LA   WIND DAMAGE
07/24/02   VERMILION                      LAW ENFORCEMENT REPORTED
                                          POWERLINES AND POLES DOWN
                                          IN WESTERN GUEYDAN.

0702 PM    BON WIER                  TX   WIND DAMAGE
07/24/02   NEWTON                         LAW ENFORCEMENT REPORTED
                                          TREES DOWN ON HWY 363 IN
                                          BON WIER.

0820 PM    RAGLEY                    LA   .75 INCH HAIL
07/24/02   BEAUREGARD                     REPORTED BY LAW
                                          ENFORCEMENT

0835 PM    3 N SULPHUR               LA   .75 INCH HAIL
07/24/02   CALCASIEU                     0835 PM    3 N SULPHUR               LA   WIND DAMAGE
07/24/02   CALCASIEU                      WINDS ESTIMATED AT 60 MPH.

MM

Local storm report, Jul 24, 9:57 PM CDT, 34 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED FOR FORMAT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
957 PM CDT WED JUL 24 2002

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

0345 PM    LONGVILLE                 LA   WIND DAMAGE
07/24/02   BEAUREGARD                     SEVERAL TREES DOWN
                                          REPORTED BY BEAUREGARD
                                          ELECTRIC COMPANY.

0430 PM    KINDER                    LA   WIND DAMAGE
07/24/02   ALLEN                          SEVERAL TREES REPORTED
                                          DOWN BY BEAUREGARD ELECTRIC
                                          COMPANY.

0550 PM    MIRE                      LA   1.50 INCH HAIL
07/24/02   ACADIA                         REPORTED BY LOCAL
                                          TELEVISION.

0630 PM    NEW IBERIA                LA   WIND DAMAGE
07/24/02   IBERIA                         LAW ENFORCEMENT REPORTED
                                          POLES AND ELECTRICAL LINES
                                          DOWN ACROSS THE PARISH.

0630 PM    LAFAYETTE                 LA   WIND DAMAGE
07/24/02   LAFAYETTE                      LAW ENFORCEMENT REPORTED
                                          POWERLINES...TELEPHONE
                                          POLES...AND TREES DOWN
                                          ACROSS THE CITY.

0640 PM    BREAUX BRIDGE             LA   WIND DAMAGE
07/24/02   UPPER ST MARTIN                LAW ENFORCEMENT REPORTED
                                          POLES DOWN ON DERMELIE
                                          CALIAS ROAD.

0645 PM    BROOKELAND                TX   WIND DAMAGE
07/24/02   JASPER                         LAW ENFORCEMENT REPORTED
                                          TREES DOWN AT RYAL ACRES.

0645 PM    IOTA                      LA   WIND DAMAGE
07/24/02   ACADIA                         LAW ENFORCEMENT REPORTED
                                          TREE FELL ONTO PEACH STREET
                                          IN IOTA.

0650 PM    GUEYDAN                   LA   WIND DAMAGE
07/24/02   VERMILION                      LAW ENFORCEMENT REPORTED
                                          POWERLINES AND POLES DOWN
                                          IN WESTERN GUEYDAN.

0702 PM    BON WIER                  TX   WIND DAMAGE
07/24/02   NEWTON                         LAW ENFORCEMENT REPORTED
                                          TREES DOWN ON HWY 363 IN
                                          BON WIER.

0820 PM    RAGLEY                    LA   .75 INCH HAIL
07/24/02   BEAUREGARD                     REPORTED BY LAW
                                          ENFORCEMENT

0835 PM    3 N SULPHUR               LA   .75 INCH HAIL
07/24/02   CALCASIEU                      REPORTED BY LAW
                                          ENFORCEMENT

0835 PM    3 N SULPHUR               LA   WIND DAMAGE
07/24/02   CALCASIEU                      WINDS ESTIMATED AT 60 MPH.

MM/SEA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 8:16 PM CDT	Severe Thunderstorm Warning	LCH	Calcasieu	59 min
Jul 24, 8:17 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard	43 min
Jul 24, 10:16 PM CDT	Severe Thunderstorm Warning	LCH	Beauregard	59 min
Jul 25, 8:21 AM CDT	Flash Flood Warning	LCH	Allen, Rapides	3 hr

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.