Alert archive / Louisiana / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 40, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 15, 2011, 8:23 AM CDT for Rapides Parish, Vernon Parish, Louisiana. It was in force for 67 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 15, 2011, 8:23 AM CDT (13:23 UTC)
- Expired
- Apr 15, 2011, 9:30 AM CDT
- In force
- 67 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
Counties Rapides Parish, LA, Vernon Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 15, 8:50 AM CDT | TSTM WND DMG | 10 Ene Hineston, LA | TREES DOWN ON HWY 288 |
| Apr 15, 9:00 AM CDT | TSTM WND DMG | 10 Ene Hineston, LA | TREES DOWN ON HWY 288 |
| Apr 15, 9:00 AM CDT | HAIL 1 | 5 Ssw Alexandria, LA | QUARTER SIZE HAIL BETWEEN WOODWORTH AND ALEXANDRIA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 15, 7:32 AM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 1.4 hours before the alert went out and 133 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
- 2429 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 484 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 10.5
The text
As transmitted, in the capitals the NWS used until 2016.
590 WUUS54 KLCH 151323 SVRLCH LAC079-115-151430- /O.NEW.KLCH.SV.W.0040.110415T1323Z-110415T1430Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 823 AM CDT FRI APR 15 2011 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL RAPIDES PARISH IN CENTRAL LOUISIANA... THIS INCLUDES...ALEXANDRIA INTERNATIONAL AIRPORT...PINEVILLE... HINESTON...ALEXANDRIA... EAST CENTRAL VERNON PARISH IN WEST CENTRAL LOUISIANA... * UNTIL 930 AM CDT * AT 823 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH...8 MILES WEST OF HINESTON... MOVING EAST AT 45 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HINESTON BY 830 AM CDT... ELMER...OTIS AND GARDNER BY 835 AM CDT... ALEXANDRIA INTERNATIONAL AIRPORT BY 850 AM CDT... ALEXANDRIA BY 855 AM CDT... LECOMPTE...PINEVILLE AND KINGSVILLE BY 900 AM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND HEAVY RAIN. STAY INDOORS... AWAY FROM WINDOWS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT FRIDAY AFTERNOON FOR WEST CENTRAL LOUISIANA. && PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT 337-477-5285 EXTENSION 1. LAT...LON 3138 9241 3105 9231 3104 9304 3124 9303 TIME...MOT...LOC 1323Z 266DEG 38KT 3116 9286 $$ 21
2 follow-up statements
223 WWUS54 KLCH 151348 SVSLCH SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 848 AM CDT FRI APR 15 2011 LAC115-151358- /O.CAN.KLCH.SV.W.0040.000000T0000Z-110415T1430Z/ VERNON LA- 848 AM CDT FRI APR 15 2011 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL VERNON PARISH IS CANCELLED... A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT FRIDAY AFTERNOON FOR WEST CENTRAL LOUISIANA. LAT...LON 3108 9268 3126 9271 3131 9239 3112 9233 TIME...MOT...LOC 1348Z 261DEG 41KT 3119 9258 $$ LAC079-151430- /O.CON.KLCH.SV.W.0040.000000T0000Z-110415T1430Z/ RAPIDES LA- 848 AM CDT FRI APR 15 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT FOR CENTRAL RAPIDES PARISH... AT 846 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR ELMER..MOVING EAST AT 45 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... WOODWORTH BY 855 AM CDT... 6 MILES SOUTH OF ALEXANDRIA BY 900 AM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND HEAVY RAIN. STAY INDOORS... AWAY FROM WINDOWS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT FRIDAY AFTERNOON FOR WEST CENTRAL LOUISIANA. && LAT...LON 3108 9268 3126 9271 3131 9239 3112 9233 TIME...MOT...LOC 1348Z 261DEG 41KT 3119 9258 $$ JT
918 WWUS54 KLCH 151425 SVSLCH SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 925 AM CDT FRI APR 15 2011 LAC079-151435- /O.EXP.KLCH.SV.W.0040.000000T0000Z-110415T1430Z/ RAPIDES LA- 925 AM CDT FRI APR 15 2011 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL RAPIDES PARISH WILL EXPIRE AT 930 AM CDT... A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT FRIDAY AFTERNOON FOR WEST CENTRAL LOUISIANA. LAT...LON 3108 9268 3126 9271 3131 9239 3112 9233 TIME...MOT...LOC 1425Z 261DEG 41KT 3126 9209 $$ JT
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 8:12 AM CDT | Special Weather Statement | LCH | Rapides | 63 min |
| Apr 15, 9:11 AM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Rapides | 42 min |
| Apr 15, 2:10 PM CDT | Special Weather Statement | LCH | Jefferson Davis | 65 min |
| Apr 15, 2:19 PM CDT | Special Weather Statement | LCH | Avoyelles | 41 min |
| Apr 15, 2:23 PM CDT | Special Weather Statement | LCH | Avoyelles | 52 min |
| Apr 15, 2:25 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Saint Landry | 50 min |
| Apr 15, 2:35 PM CDT | Tornado Warning | LCH | Avoyelles, Saint Landry | 25 min |
| Apr 15, 2:45 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Jefferson Davis | 45 min |
| Apr 15, 3:08 PM CDT | Special Weather Statement | LCH | Lafayette | 52 min |
| Apr 15, 3:15 PM CDT | Small Craft Advisory | LCH | 19 hr | |
| Apr 15, 3:15 PM CDT | Severe Thunderstorm Warning | LCH | Saint Landry | 16 min |
| Apr 15, 3:36 PM CDT | Severe Thunderstorm Warning | LCH | Acadia | 24 min |
| Apr 15, 3:53 PM CDT | Special Weather Statement | LCH | Saint Martin | 52 min |
| Apr 15, 3:55 PM CDT | Severe Thunderstorm Warning | LCH | Saint Martin | 20 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.