Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 102, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 12, 2000, 11:36 AM CDT for Jefferson Davis Parish, Louisiana. It was in force for 54 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
- Apr 12, 2000, 11:36 AM CDT (16:36 UTC)
- Expired
- Apr 12, 2000, 12:30 PM CDT
- In force
- 54 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Jefferson Davis Parish, LA
The radar
The Lake Charles radar (KLCH), 42 km from the middle of the area, began a volume at 16:38 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 |
|---|---|---|---|
| Apr 12, 12:00 PM CDT | Thunderstorm Wind | Welsh, 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, 4.6 hours before the alert went out and 41 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
- 1108 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 502 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
028 WUUS54 KLCH 121637 SVRLCH LAC053-121730- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 1136 AM CDT WED APR 12 2000 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JEFFERSON DAVIS PARISH IN SOUTHWEST LOUISIANA * UNTIL 1230 PM CDT * AT 1128 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 29 MILES SOUTHWEST OF ELTON...MOVING NORTHEAST AT 20 MPH. * THIS STORM WILL BE NEAR... LACASSINE BY 1145 AM CDT FENTON BY 1205 PM CDT HATHAWAY BY 1230 PM CDT ELTON BY 1235 PM 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.
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 Apr 12, 9:05 AM CDT, 2 hours 31 minutes earlier.
Area forecast discussion, Apr 12, 9:05 AM CDT, 2 hours 31 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE LAKE CHARLES LA 905 AM CDT WED APR 12 2000 WITH DECENT POSITIVE VORTICITY ADVECTION MOVING THROUGH THE AREA AND SUCH CLOSE PROXIMITY TO THE SURFACE LOW...CHANCES FOR PRECIPITATION WILL BE INCREASED FOR THE ENTIRE COUNTY WARNING AREA. WILL REMOVE MORNING FOG WORDING WHEN CONDITIONS WARRANT IT. HEAVY RAINS LIKELY AS FRONTAL BOUNDARY SERVES AS FOCUSING MECHANISM TODAY. .LCH... LA...NONE TX...NONE UPDATED PRELIMINARY NUMBERS LCH 75/57/74/58 7520 LFT 75/59/75/58 7530 AEX 68/56/73/55 9520 BPT 75/59/75/61 7520 22/11
In the hours before
Local storm report, Apr 12, 10:57 AM CDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
1057 AM CDT WED APR 12 2000
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1000 AM 4 W VINTON LA .75 INCH HAIL
04/12/00 CALCASIEU TRUCK DRIVER REPORTED ON
I-10
1100 AM NEDERLAND TX FLOOD
04/12/00 JEFFERSON 0945 AM SABINE PASS TX 78 MPH TSTM WIND GUST
04/12/00 JEFFERSON POWER OUT ACROSS TOWN.
REPORTED BY NWS DAPM
0900 AM PORT NECHES TX FLOOD
04/12/00 JEFFERSON WATER IN HOMES ON CROCKETT
AND CALIFORNIA STREETSLocal storm report, Apr 12, 11:34 AM CDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
1134 AM CDT WED APR 12 2000
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1120 AM 4 S HACKBERRY LA 60 MPH TSTM WIND GUST
04/12/00 CAMERON REPORTED BY SHIP IN
CALCASIEU SHIP CHANNELThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 9:23 AM CDT | Severe Thunderstorm Warning | LCH | Calcasieu | 67 min |
| Apr 12, 10:32 AM CDT | Severe Thunderstorm Warning | LCH | Beauregard, Calcasieu | 58 min |
| Apr 12, 11:08 AM CDT | Severe Thunderstorm Warning | LCH | Cameron | 67 min |
| Apr 12, 11:24 AM CDT | Severe Thunderstorm Warning | LCH | Calcasieu | 36 min |
| Apr 12, 11:45 AM CDT | Severe Thunderstorm Warning | LCH | Allen | 60 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2000Every severe thunderstorm warning in 2000
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.