Alert archive / Louisiana / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 64, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Jul 24, 2002, 6:11 PM CDT for Iberia Parish, Lafayette Parish, Saint Martin Parish, Louisiana. It was in force for 34 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 24, 2002, 6:11 PM CDT (23:11 UTC)
- Expired
- Jul 24, 2002, 6:45 PM CDT
- In force
- 34 min
- Issued by
- NWS Lake Charles, LA
- Area
- Counties, with a storm outline in the text
Counties Iberia Parish, LA, Lafayette Parish, LA, Saint Martin Parish, LA
The radar
The Lake Charles radar (KLCH), 129 km from the middle of the area, began a volume at 23:14 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 24, 6:30 PM CDT | Thunderstorm Wind | New Iberia, 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.2 hours before the alert went out and 127 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.
- Mixed-layer CAPE
- 1240 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1229 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KLCH 242311 CCA SVRLCH LAC045-055-099-242345- BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 606 PM CDT WED JUL 24 2002 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN LAFAYETTE PARISH IN SOUTH CENTRAL LOUISIANA WESTERN IBERIA PARISH IN SOUTH CENTRAL LOUISIANA EXTREME SOUTHWESTERN UPPER ST. MARTIN PARISH IN SOUTH CENTRAL LOUISIANA * UNTIL 645 PM CDT * AT 604 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES WEST OF ST. MARTINVILLE...MOVING SOUTHEAST AT 10 TO 15 MPH. * THIS STORM WILL BE NEAR... CADE...ST. MARTINVILLE BY 620 PM CDT LOREAUVILLE BY 640 PM CDT NEW IBERIA...LYDIA...AVERY ISLAND BY 645 PM CDT 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. LAT...LON 3026 9191 3017 9208 2980 9187 2993 9163 $$ CORRECTED WARNED AREA IN ST. MARTIN PARISH
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, 1:50 PM CDT, 4 hours 21 minutes earlier.
Area forecast discussion, Jul 24, 1:50 PM CDT, 4 hours 21 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 150 PM CDT WED JUL 24 2002 OUTFLOW BOUNDARY FROM CONVECTION IN MS COOLED PARTS OF RAPIDES AND AVOYELLES TO THE MID 80S THIS AFTERNOON...AND IS SETTING OFF TSRA OVER C LA AT THE MOMENT. TEMPS AT 1 PM ELSEWHERE ARE IN THE MID 90S. BEING IN A SLIGHT RISK TODAY IS UNDERSTANDABLE WITH THE PROXIMITY OF THE WEAK FRONT AND REMAINING OUTFLOW BOUNDARIES...SOME LATE AFTERNOON AND EVENING TSRA WILL BE SEVERE WITH DOWNBURST WINDS AND HAIL BEING THE MAIN THREAT. WILL RE-ISSUE THIS MORNINGS SPS TO LAST INTO THE EVENING FOR SVR WX THREAT. THIS FRONT WILL INCH A BIT FURTHER SOUTH TONIGHT AND THU BEFORE STALLING ACROSS THE E TX LAKES REGION TO C LA. THE COMBINATION OF THE MID/UPPER TROF OVER THE MS VALLEY...AND THE STALLING FRONT WILL ENHANCE OUR POPS TONIGHT AND THU. THIS SEEMS REASONABLE WITH THE AMPLE VVS AND MRHS 70-80% RANGE DURING THIS TIME. THIS EVENINGS TSRA WILL LIKELY LAST FOR MOST OF THE EVENING. AFTER THE TSRA DISSIPATES...LINGERING CLOUDINESS AND TEMPS IN THE MID 70S (UPPER 70S SOUTH) WILL BE THE RULE. INCREASING CLOUDINESS AND TSRA WILL START A LOT EARLIER TOMORROW. WITH THIS...TEMPS WILL ONLY HAVE A CHANCE TO REACH THE LOWER 90S AREAWIDE BEFORE THE CONVECTION STARTS FIRING UP BY LATE MORNING INTO EARLY AFTERNOON. THIS WILL LINGER INTO THU EVENING. FRI WILL SEE A WEAKENING AND RETREAT IN THE MID/UPPER TROF...TO BE REPLACED BY A MID/UPPER HIGH RETROGRADING FROM THE WEST. THE SFC FRONT WILL BE MOVING N AND DISSIPATING BY THIS TIME ALSO. THIS... COMBINED WITH THE DRYING IN THE MID LEVELS WILL PUT A CAP ON THE WIDESPREAD TSRA OF THU TO ONLY ABOUT A 30% COVERAGE. SAT AND SUN... THE HIGH WILL BE OVER THE N GULF..WITH ONLY 20% COVERAGE EXPECTED. BY MON THROUGH WED...THE HIGH WILL MOVE A BIT EAST...RETURNING A SE FLOW AT THE SFC AND ALOFT...ALONG WITH INCREASED MOISTURE...TO GIVE THE USUAL 30% COVERAGE. DML .LCH...OZONE ACTION DAY FOR SE TX...TXZ201-215-216 .PRELIMINARY 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
In the hours before
Special weather statement, Jul 24, 3:30 PM CDT, 2 hours 41 minutes before
GMZ450-455-470-475-LAZ027>033-041>045-051>055-TXZ180>182-201-215-216- 250300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 330 PM CDT WED JUL 24 2002 ...STRONG TO SEVERE THUNDERSTORMS POSSIBLE LATE THIS AFTERNOON AND EVENING... ANOTHER ROUND OF STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND EVENING. AFTERNOON TEMPERATURES IN THE MID TO UPPER 90S...COMBINING WITH AN EXTREMELY UNSTABLE AIRMASS AND A WEAK COLD FRONT TO THE NORTH...WILL SET THE STAGE STRONG THUNDERSTORMS TO DEVELOP. A FEW OF THE STORMS WILL BECOME SEVERE...WITH DAMAGING WINDS AND HAIL THE PRIMARY THREAT. SOME OF THESE STRONG STRONG STORMS WILL MOVE INTO THE COASTAL WATERS LATE THIS EVENING...CAUSING STRONG GUSTY WINDS AND LOCALLY HIGHER SEAS. LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS...STORM SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS SITUATION AND TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN YOUR AREA.
Local storm report, Jul 24, 4:11 PM CDT, 2 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
411 PM CDT WED JUL 24 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0405 PM PINEVILLE LA .75 INCH HAIL
07/24/02 RAPIDES REPORTED BY LOCAL
TELEVISION.
THMLocal storm report, Jul 24, 4:19 PM CDT, 1 hour 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
419 PM CDT WED JUL 24 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0402 PM PINEVILLE LA LIGHTNING
07/24/02 RAPIDES LAW ENFORCEMENT REPORTED
HOUSE FIRE AND SMOKE IN
NURSERY AT HUEY P. LONG
HOSPITAL AS REPORTED BY
RAPIDES 911.
THMLocal storm report, Jul 24, 4:30 PM CDT, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
430 PM CDT WED JUL 24 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0413 PM LONGVILLE LA .75 INCH HAIL
07/24/02 BEAUREGARD REPORTED BY PUBLIC.
THMThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 7:01 PM CDT | Severe Thunderstorm Warning | LCH | Calcasieu | 59 min |
| Jul 23, 7:33 PM CDT | Severe Thunderstorm Warning | LCH | Jefferson Davis | 27 min |
| Jul 24, 9:06 AM CDT | Special Marine Warning | LCH | 54 min | |
| Jul 24, 3:33 PM CDT | Severe Thunderstorm Warning | LCH | Beauregard | 42 min |
| Jul 24, 4:12 PM CDT | Severe Thunderstorm Warning | LCH | Rapides | 63 min |
| Jul 24, 4:23 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Beauregard | 37 min |
| Jul 24, 6:07 PM CDT | Severe Thunderstorm Warning | LCH | Iberia, Lafayette, Saint Martin | 38 min |
| Jul 24, 6:19 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Lafayette, Vermilion | 41 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2002Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.