Alert archive / Texas / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 40, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 20, 2012, 5:31 PM CDT for 6 counties in Texas. It was in force for 27 min. 1 report 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 20, 2012, 5:31 PM CDT (22:31 UTC)
- Expired
- Apr 20, 2012, 5:58 PM CDT
- In force
- 27 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
Counties Hardin County, TX, Jasper County, TX, Jefferson County, TX, Newton County, TX, Orange County, TX, Tyler County, TX
The radar
The Lake Charles radar (KLCH), 75 km from the middle of the area, began a volume at 22:31 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 20, 5:36 PM CDT | TSTM WND DMG | Evadale, TX | 3 TREES WERE REPORTED BLOWN DOWN ON ROADWAYS IN THE EVADALE AREA. TIME IS ESTIMATED. |
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 20, 12:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.5 hours before the alert went out and 76 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
- 177 J/kg
- Mixed-layer CIN
- -419 J/kg
- Mixed-layer LCL
- 822 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
865
WUUS54 KLCH 202231
SVRLCH
TXC199-241-245-351-361-457-202300-
/O.NEW.KLCH.SV.W.0040.120420T2231Z-120420T2300Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
531 PM CDT FRI APR 20 2012
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN HARDIN COUNTY IN SOUTHEAST TEXAS...
THIS INCLUDES...SILSBEE...LUMBERTON...
SOUTHERN JASPER COUNTY IN SOUTHEAST TEXAS...
THIS INCLUDES...KIRBYVILLE...EVADALE...BUNA...
EXTREME NORTH CENTRAL JEFFERSON COUNTY IN SOUTHEAST TEXAS...
SOUTHWESTERN NEWTON COUNTY IN SOUTHEAST TEXAS...
THIS INCLUDES...DEWEYVILLE...CALL...
NORTHERN ORANGE COUNTY IN SOUTHEAST TEXAS...
THIS INCLUDES...VIDOR...MAURICEVILLE...
SOUTHEASTERN TYLER COUNTY IN SOUTHEAST TEXAS...
THIS INCLUDES FRED...
* UNTIL 600 PM CDT
* AT 530 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING SMALL
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH...FROM 11 MILES NORTH
OF FRED TO 8 MILES WEST OF VIDOR...MOVING EAST AT 30 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
EVADALE BY 535 PM CDT...
MAGNOLIA SPRINGS...VIDOR...PINE FOREST AND MT. UNION BY 540 PM
CDT...
BUNA BY 550 PM CDT...
KIRBYVILLE AND GIST BY 555 PM CDT...
WRIGHTS SETTLEMENT AND MAURICEVILLE BY 600 PM 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.
WINDS WERE RECENTLY REPORTED GUSTING TO 55 MPH IN LUMBERTON.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.
&&
PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT
337-477-5285 EXTENSION 1.
LAT...LON 3075 9420 3077 9373 3039 9375 3034 9377
3034 9376 3034 9375 3014 9376 3012 9421
TIME...MOT...LOC 2230Z 268DEG 26KT 3073 9412 3016 9410
$$
TINGLER2 follow-up statements
242
WWUS54 KLCH 202249
SVSLCH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
549 PM CDT FRI APR 20 2012
TXC199-245-457-202259-
/O.CAN.KLCH.SV.W.0040.000000T0000Z-120420T2300Z/
HARDIN TX-TYLER TX-JEFFERSON TX-
549 PM CDT FRI APR 20 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTH CENTRAL
JEFFERSON...SOUTHEASTERN TYLER AND EASTERN HARDIN COUNTIES IS
CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.
LAT...LON 3076 9404 3077 9373 3039 9375 3034 9377
3034 9376 3034 9375 3014 9376 3013 9406
TIME...MOT...LOC 2249Z 268DEG 26KT 3073 9396 3016 9394
$$
TXC241-351-361-202300-
/O.CON.KLCH.SV.W.0040.000000T0000Z-120420T2300Z/
JASPER TX-NEWTON TX-ORANGE TX-
549 PM CDT FRI APR 20 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHERN ORANGE...SOUTHWESTERN NEWTON AND SOUTHEASTERN JASPER
COUNTIES...
AT 545 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS ON RADAR CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MAGNOLIA SPRINGS TO PINE FOREST..MOVING EAST AT 30
MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
KIRBYVILLE AND GIST BY 555 PM CDT...
BLEAKWOOD...TROUT CREEK...DEVILS POCKET AND HARTBURG BY 600 PM
CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.
&&
LAT...LON 3076 9404 3077 9373 3039 9375 3034 9377
3034 9376 3034 9375 3014 9376 3013 9406
TIME...MOT...LOC 2249Z 268DEG 26KT 3073 9396 3016 9394
$$
TINGLER468
WWUS54 KLCH 202258
SVSLCH
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
558 PM CDT FRI APR 20 2012
TXC241-351-361-202308-
/O.CAN.KLCH.SV.W.0040.000000T0000Z-120420T2300Z/
JASPER TX-NEWTON TX-ORANGE TX-
558 PM CDT FRI APR 20 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ORANGE...SOUTHWESTERN
NEWTON AND SOUTHEASTERN JASPER COUNTIES IS CANCELLED ALTHOUGH WIND
GUSTS OF 45 TO 55 MPH REMAIN POSSIBLE WITH THESE STORMS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FRIDAY
EVENING FOR SOUTHWESTERN LOUISIANA AND SOUTHEAST TEXAS.
LAT...LON 3076 9404 3077 9373 3039 9375 3034 9377
3034 9376 3034 9375 3014 9376 3013 9406
TIME...MOT...LOC 2258Z 268DEG 26KT 3074 9388 3017 9387
$$
TINGLERThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 4:19 PM CDT | Special Weather Statement | LCH | Hardin, Jefferson, Tyler | 26 min |
| Apr 20, 4:45 PM CDT | Special Weather Statement | LCH | Hardin, Jefferson | 45 min |
| Apr 20, 4:48 PM CDT | Special Weather Statement | LCH | Jasper, Newton, Tyler | 42 min |
| Apr 20, 5:26 PM CDT | Special Weather Statement | LCH | Jasper, Jefferson, Newton, Orange | 49 min |
| Apr 20, 6:03 PM CDT | Special Weather Statement | LCH | Newton, Orange | 42 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2012Every severe thunderstorm warning in 2012
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; radar from the NEXRAD Level II archive.