Alert archive / Louisiana / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 111, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 23, 2000, 9:44 PM CDT for Vernon Parish, Louisiana. It was in force for 61 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 23, 2000, 9:44 PM CDT (02:44 UTC)
- Expired
- Apr 23, 2000, 10:45 PM CDT
- In force
- 61 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Vernon Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 23, 10:00 PM CDT | Hail 1.75 | Anacoco, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 23, 9:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.7 hours before the alert went out and 110 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
- 846 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 729 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KLCH 240245 SVRLCH LAC115-240345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 944 PM CDT SUN APR 23 2000 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... VERNON PARISH IN SOUTHWEST LOUISIANA * UNTIL 1045 PM CDT * AT 937 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 14 MILES NORTHWEST OF ANACOCO...MOVING SOUTHEAST AT 35 MPH. * THIS STORM WILL BE NEAR... ANACOCO BY 1000 PM CDT LEESVILLE BY 1010 PM CDT NEW LLANO BY 1015 PM CDT FORT POLK BY 1025 PM CDT ROSEPINE BY 1030 PM CDT THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY LARGE HAIL WHICH COULD CAUSE SIGNIFICANT DAMAGE TO PROPERTY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT MONDAY MORNING FOR SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS. 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 23, 6:40 PM CDT, 3 hours 4 minutes earlier.
Area forecast discussion, Apr 23, 6:40 PM CDT, 3 hours 4 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 640 PM CDT SUN APR 23 2000 UPDATED ZONES TO CANCEL SEVERE THUNDERSTORM WATCH 196 FROM AREA PER COORDINATION WITH SPC. NEW LINE OF SHOWERS AND THUNDERSTORMS THAT DEVELOPED EARLIER HAVE MOVED INTO NEW CWA. WILL BE WATCHING SOUTHERN EXTENT OF SUPERCELLS ACROSS NW LA WHICH MAY INFRINGE ON N CWA NEAR AEX LATER THIS EVENING. STAY TUNED. 8 PREVIOUS DISCUSSION: SFC OBSERVATIONS INDICATE DRYLINE FROM DFW EXTENDING SOUTH TO WACO TO AUSTIN TO SAN ANTONIO. TEMPERATURES HAVE REBOUNDED WELL INTO THE UPPER 80S TO MID 90 NEAR DRYLINE. MOISTURE CONTINUES TO STREAM IN FROM THE GULF WITH DEWPOINTS INTO THE LOWER 70S. SATELLITE IMAGERY SHOWING CONVECTION FIRING UP ALONG THE DRYLINE AND SHOULD MOVE RAPIDLY EAST INTO UNSTABLE MOIST ENVIRONMENT OVER SOUTHEAST TEXAS AND WESTERN LOUISIANA. STRONG UPPER LEVEL JET CONTINUES TO ENHANCE INFLOW INTO THUNDERSTORMS WITH MOST REACHING SEVERE SHORTLY AFTER DEVELOPING. WILL KEEP POPS IN UNTIL SIGNIFICANT DRYING OCCURS OVER AREA. THREAT OF SEVERE WEATHER EXISTS UNTIL UPPER LEVEL DYNAMICS MOVES EAST OF AREA. ETA MODEL INDICATES ANOTHER VORT MAX ROTATING AROUND BASE OF TROUGH INTO CWA WHICH WILL LIKELY AID CONTINUED DEVELOPMENT ALONG DRYLINE. THE RUC MODEL INDICATES STRONG 500 MB VORT LOBE WILL WORK INTO AREA IN THE NEXT FEW HOURS. MOST ACTIVITY SHOULD END BEFORE MIDNIGHT ACROSS THE WESTERN PART OF THE AREA BUT WILL LINGER INTO THE NIGHT ACROSS THE EAST. RAPID DRYING TAKES PLACE AS WINDS SHIFT TO THE NORTHWEST WITH THE COOL FRONT WHICH MOVES THROUGH MOST OF THE AREA LATE TONIGHT. THE START OF THE NEW WEEK SHOULD USHER IN DRIER AIR WITH TEMPERATURES NEAR SEASONAL NORMALS OF LOWER 80S. WILL KEEP COASTAL ADVISORY UP THROUGH THE NIGHT AS WINDS STAY UP. MOS TEMPS LOOK REASONABLE SO WILL ONLY MAKE MINOR ADJUSTMENTS. .LCH...SMALL CRAFT ADVISORY ATCHAFALAYA RIVER LA TO HIGH ISLAND TX LA...SMALL CRAFT ADVISORY GMZ450-455-470-475 TX...SMALL CRAFT ADVISORY GMZ450-470 PRELIMINARY NUMBERS... LCH 62/85/57/85 3000 LFT 61/84/57/81 3000 AEX 61/80/55/79 3000 BPT 62/87/59/84 3000
In the hours before
Special weather statement, Apr 23, 6:20 PM CDT, 3 hours 24 minutes before
LAZ033-044-045-053>055-240100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 620 PM CDT SUN APR 23 2000 SEVERE THUNDERSTORM WATCH NUMBER 196 HAS BEEN CANCELED FOR THE FOLLOWING PARISHES IN SOUTH-CENTRAL LOUISIANA: ST. LANDRY...LAFAYETTE...UPPER ST MARTIN...LOWER ST MARTIN... IBERIA...AND ST MARY. THE THREAT OF SEVERE WEATHER HAS ENDED IN THE PARISHES AND COUNTIES LISTED ABOVE. ALLEN
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 10:06 PM CDT | Tornado Warning | LCH | Vernon | 54 min |
| Apr 23, 10:35 PM CDT | Severe Thunderstorm Warning | LCH | Rapides | 55 min |
| Apr 23, 11:05 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Evangeline | 40 min |
| Apr 23, 11:44 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Saint Landry | 46 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.