Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 113, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Sep 20, 2001, 6:00 PM CDT for Beauregard Parish, Calcasieu Parish, Jefferson Davis Parish, Louisiana. It was in force for 60 min. 4 reports 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
- Sep 20, 2001, 6:00 PM CDT (23:00 UTC)
- Expired
- Sep 20, 2001, 7:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Beauregard Parish, LA, Calcasieu Parish, LA, Jefferson Davis Parish, LA
The radar
The Lake Charles radar (KLCH), 29 km from the middle of the area, began a volume at 23:03 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 |
|---|---|---|---|
| Sep 20, 6:05 PM CDT | Thunderstorm Wind | Longville, LA | |
| Sep 20, 6:40 PM CDT | Thunderstorm Wind | Gillis, LA | |
| Sep 20, 6:55 PM CDT | Thunderstorm Wind | Jennings, LA | |
| Sep 20, 7:10 PM CDT | Hail 1 | Jennings, 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, 11.0 hours before the alert went out and 29 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
- 3591 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 4:08 PM CDT | Severe Thunderstorm Warning | LCH | Vernon | 67 min |
| Sep 20, 4:56 PM CDT | Severe Thunderstorm Warning | LCH | Rapides, Vernon | 64 min |
| Sep 20, 6:00 PM CDT | Severe Thunderstorm Warning | LCH | Allen | 60 min |
| Sep 20, 6:58 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Jefferson Davis | 62 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2001Every 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; radar from the NEXRAD Level II archive.