Alert archive / Louisiana / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 38, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Jul 12, 2002, 5:13 PM CDT for Acadia Parish, Jefferson Davis Parish, Louisiana. It was in force for 62 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 12, 2002, 5:13 PM CDT (22:13 UTC)
- Expired
- Jul 12, 2002, 6:15 PM CDT
- In force
- 62 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Acadia Parish, LA, Jefferson Davis Parish, LA
The radar
The Lake Charles radar (KLCH), 60 km from the middle of the area, began a volume at 22:01 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 12, 5:30 PM CDT | Thunderstorm Wind | Crowley, 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, 10.2 hours before the alert went out and 59 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
- 1539 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 1081 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
051 WUUS54 KLCH 122213 SVRLCH LAC001-053-122315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 513 PM CDT FRI JUL 12 2002 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JEFFERSON DAVIS PARISH IN SOUTHWEST LOUISIANA ACADIA PARISH IN SOUTHWEST LOUISIANA * UNTIL 615 PM CDT * AT 508 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER MERMENTAU...MOVING NORTHEAST AT 30 MPH. * THIS STORM WILL BE NEAR... EGAN...ESTHERWOOD BY 520 PM CDT IOTA BY 525 PM CDT CROWLEY BY 530 PM CDT BRANCH...RICHARD...MIRE BY 550 PM CDT CHURCH POINT BY 555 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 12, 2:35 PM CDT, 2 hours 38 minutes earlier.
Area forecast discussion, Jul 12, 2:35 PM CDT, 2 hours 38 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 235 PM CDT FRI JUL 12 2002 LATEST KLCH 88D SHOWS SCATTERED SHOWERS AND THUNDERSTORMS MOVING SOUTHEAST ACROSS THE NORTHERN ZONES...WITH SOME ACTIVITY BEGINNING TO DEVELOP OVER SOUTHEAST TEXAS/SOUTHWEST LOUISIANA AS OUTFLOWS PUSH SOUTH FROM THE CONVECTION. IN ADDITION...SEA BREEZE IS BEGINNING TO PUSH INLAND OVER THE COASTAL ZONES WHICH IS ALSO HELPING TO SET OFF A FEW STORMS. IR SATELLITE PICS INDICATE THE WEAK SURFACE BOUNDARY OVER N OK/SW MO WITH A LINE OF THUNDERSTORMS DEVELOPING. THIS TROUGH IS PROGGED TO MOVE SOUTH THIS EVENING AND WEAKEN OVER N TX/N LA. SHOULD SEE ENOUGH INSTABILITY SOUTH OF THIS TROUGH TO HAVE SCATTERED SHOWERS AND THUNDERSTORMS ACROSS THE AREA THROUGH THE WEEKEND...WITH POPS HIGHER OVER THE N ZONES. FORECAST SOUNDINGS INDICATE ABUNDANT MOISTURE WITH PWS AROUND 2 INCHES. IN THE UPPER LEVELS...TROUGH CURRENTLY LOCATED OVER NW MO WILL GRADUALLY MOVE SOUTH NEAR CENT AR/SE OK BEFORE BEING PUSHED BACK TO THE NORTH AS RIDGING DEVELOPS OVER THE SE CONUS EARLY NEXT WEEK. THIS PATTERN IS ALSO REFLECTED AT THE SURFACE WITH HIGH PRESSURE DEVELOPING OVER THE EASTERN GULF...PRODUCING ONSHORE FLOW BY MONDAY. UNTIL THEN...WEST TO SOUTHWEST WINDS WILL PREVAIL. IN THE EXTENDED...WILL SEE TYPICAL SCATTERED AFTERNOON CONVECTION MONDAY AND TUESDAY AS ONSHORE FLOW BRINGS MOISTURE ACROSS THE AREA. BY WEDNESDAY...THE HIGH OVER THE EASTERN GULF WILL GRADUALLY MOVE WEST BRINGING DRIER CONDITIONS TO THE AREA. .KLCH...NONE. .PRELIMINARY NUMBERS... AEX 72/92/73/92/72/93/72 4544231 BPT 75/91/76/90/74/92/74 3434231 LCH 75/90/75/90/74/91/74 3434231 LFT 74/92/74/91/75/92/75 2434231 24
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 1:51 PM CDT | Severe Thunderstorm Warning | LCH | Beauregard | 54 min |
| Jul 12, 5:30 PM CDT | Special Marine Warning | LCH | 60 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.