Alert archive / Louisiana / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 22, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at May 17, 2002, 9:39 AM CDT for Cameron Parish, Louisiana. It was in force for 66 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
- May 17, 2002, 9:39 AM CDT (14:39 UTC)
- Expired
- May 17, 2002, 10:45 AM CDT
- In force
- 66 min
- Issued by
- NWS Lake Charles, LA
- Area
- Counties, with a storm outline in the text
County Cameron Parish, LA
The radar
The Lake Charles radar (KLCH), 24 km from the middle of the area, began a volume at 14:42 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.
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, 2.7 hours before the alert went out and 24 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
- 1518 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 127 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 171439 SVRLCH LAC023-171545- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 940 AM CDT FRI MAY 17 2002 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CAMERON PARISH IN SOUTHWEST LOUISIANA * UNTIL 1045 AM CDT * AT 936 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EXTREME SOUTHWESTERN CAMERON PARISH... MOVING NORTHEAST AT 20 MPH. * THIS STORM WILL BE NEAR... CAMERON BY 1030 AM CDT HACKBERRY BY 1040 AM 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. LAT...LON 3003 9371 2978 9369 2976 9270 3002 9272 $$ K. KUYPER
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 May 17, 9:25 AM CDT, 14 minutes earlier.
Area forecast discussion, May 17, 9:25 AM CDT, 14 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 925 AM CDT FRI MAY 17 2002 LINE OF TSTMS MOVG THRU SE TX AND EXTENDS OFFSHORE. MRNG SOUNDING INDCG HIGH CAPES ALTHOUGH AT THIS TIME HELICITY REMAINS LOW. PRECIP IS NOW 1.83 INCHES. THIS SYSTEM WILL MOVE THRU SW LA OVR THE NEXT SEVERAL HOURS MOVG TO THE EAST AROUND 25 MPH. IN ADDITION A FRONTAL SYS IS MOVG RAPIDLY TO THE SOUTHEAST AND WILL MOVE INTO SRN LA BY THIS AFTN. WILL UPDATE ZONES TO REFLECT THESE CHANGES. .LCH...NONE. .PRELIMINARY NUMBERS... AEX 83/60/76/52/76/49 960000 BPT 82/69/79/58/77/55 962000 LCH 83/68/78/57/77/55 962000 LFT 84/69/78/58/77/55 962000 K. KUYPER
In the hours before
Special weather statement, May 17, 4:06 AM CDT, 5 hours 33 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-171500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 406 AM CDT FRI MAY 17 2002 ...RAINS POSSIBLE TODAY ACROSS THE REGION... MUCH NEEDED RAINS WILL BE POSSIBLE TODAY AND TONIGHT AS A COLD FRONT ADVANCES AND MOVES ACROSS THE REGION. SINCE THE LAST SIGNIFICANT RAIN EVENT ON THE 8TH OF APRIL...MUCH OF THE AREA HAS RECEIVED LESS THAN ONE-HALF INCH OF RAINFALL. THIS COMBINED WITH BELOW NORMAL PRECIPITATION EARLIER IN THE YEAR HAS RESULTED IN MILD TO MODERATE DROUGHT CONDITIONS. AN AVERAGE OF 1/2 TO 1 INCH OF RAIN IS EXPECTED...BUT AS IS THE CASE WITH SHOWER AND THUNDERSTORM ACTIVITY...SOME AREAS WILL RECEIVE MORE AND OTHERS LESS. ADDITIONALLY...A FEW STRONG STORMS WILL BE POSSIBLE WITH A VERY UNSTABLE AIRMASS IN PLACE AND FAVORABLE UPPER LEVEL SUPPORT. RAINS WILL END WITH THE PASSAGE OF THE FRONT LATER TONIGHT. DRY AND UNSEASONABLY COOL HIGH PRESSURE WILL FOLLOW FOR THE WEEKEND.
Local storm report, May 17, 4:36 AM CDT, 5 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES,LA
436 AM CDT FRI MAY 17 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0433 AM SEA RIM STATE PARK TX WIND DAMAGE
05/17/02 JEFFERSON POWERLINES DOWN AT SEA RIM
STATE PARK. BUILDINGS
RATTLED ACCORDING TO
PERSONNEL. NO ELECTRICITY.
FNLocal storm report, May 17, 4:38 AM CDT, 5 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES,LA
438 AM CDT FRI MAY 17 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0433 AM SEA RIM STATE PARK TX WIND DAMAGE
05/17/02 JEFFERSON POWERLINES DOWN AT SEA RIM
STATE PARK. BUILDINGS
RATTLED ACCORDING TO
PERSONNEL. NO ELECTRICITY.
FNLocal storm report, May 17, 9:36 AM CDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES,LA
436 AM CDT FRI MAY 17 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0433 AM SEA RIM STATE PARK TX WIND DAMAGE
05/17/02 JEFFERSON POWERLINES DOWN AT SEA RIM
STATE PARK. BUILDINGS
RATTLED ACCORDING TO
PERSONNEL. NO ELECTRICITY.
FNLocal storm report, May 17, 9:38 AM CDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES,LA
938 AM CDT FRI MAY 17 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0933 AM SEA RIM STATE PARK TX WIND DAMAGE
05/17/02 JEFFERSON POWERLINES DOWN AT SEA RIM
STATE PARK. BUILDINGS
RATTLED ACCORDING TO
PERSONNEL. NO ELECTRICITY.
FNThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 8:10 AM CDT | Special Marine Warning | LCH | 65 min | |
| May 17, 9:12 AM CDT | Special Marine Warning | LCH | 63 min | |
| May 17, 10:15 AM CDT | Special Marine Warning | LCH | 60 min | |
| May 17, 10:15 AM CDT | Special Marine Warning | LCH | 60 min | |
| May 17, 10:23 AM CDT | Severe Thunderstorm Warning | LCH | Calcasieu | 52 min |
| May 17, 11:15 AM CDT | Special Marine Warning | LCH | 60 min | |
| May 17, 11:26 AM CDT | Severe Thunderstorm Warning | LCH | Vermilion | 64 min |
| May 17, 11:51 AM CDT | Severe Thunderstorm Warning | LCH | Iberia | 59 min |
| May 17, 12:38 PM CDT | Severe Thunderstorm Warning | LCH | St. Mary | 67 min |
| May 17, 3:42 PM CDT | Special Marine Warning | LCH | 63 min | |
| May 17, 3:42 PM CDT | Special Marine Warning | LCH | 63 min | |
| May 17, 4:50 PM CDT | Special Marine Warning | LCH | 55 min | |
| May 17, 4:50 PM CDT | Special Marine Warning | LCH | 55 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.