Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 80, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at May 11, 2021, 7:07 PM CDT for Jasper County, Tyler County, Texas. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 11, 2021, 7:07 PM CDT (00:07 UTC)
- Expired
- May 11, 2021, 7:34 PM CDT
- In force
- 27 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Jasper County, TX, Tyler County, TX
The radar
The Ft Polk radar (KPOE), 107 km from the middle of the area, began a volume at 00:08 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 11, 5:22 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.1 hours before the alert went out and 123 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
- 2262 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 12.5
The text
As transmitted.
753
WUUS54 KLCH 120007
SVRLCH
TXC241-457-120045-
/O.NEW.KLCH.SV.W.0080.210512T0007Z-210512T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
707 PM CDT Tue May 11 2021
The National Weather Service in Lake Charles has issued a
* Severe Thunderstorm Warning for...
Northeastern Tyler County in southeastern Texas...
Northeastern Jasper County in southeastern Texas...
* Until 745 PM CDT.
* At 706 PM CDT, a severe thunderstorm was located near Town Bluff,
moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Jasper, Town Bluff and Harrisburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3100 9428 3108 9390 3095 9386 3083 9387
3076 9425
TIME...MOT...LOC 0006Z 263DEG 22KT 3089 9418
HAIL...1.00IN
WIND...60MPH
$$
Rua2 follow-up statements
296
WWUS54 KLCH 120030
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
730 PM CDT Tue May 11 2021
TXC457-120039-
/O.CAN.KLCH.SV.W.0080.000000T0000Z-210512T0045Z/
Tyler TX-
730 PM CDT Tue May 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TYLER COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern Texas.
LAT...LON 3080 9404 3098 9405 3103 9389 3095 9386
3083 9387
TIME...MOT...LOC 0029Z 263DEG 22KT 3091 9401
$$
TXC241-120045-
/O.CON.KLCH.SV.W.0080.000000T0000Z-210512T0045Z/
Jasper TX-
730 PM CDT Tue May 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN JASPER COUNTY...
At 729 PM CDT, a severe thunderstorm was located over Jasper, moving
east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Jasper and Harrisburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3080 9404 3098 9405 3103 9389 3095 9386
3083 9387
TIME...MOT...LOC 0029Z 263DEG 22KT 3091 9401
HAIL...1.00IN
WIND...60MPH
$$
Rua030
WWUS54 KLCH 120034
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
734 PM CDT Tue May 11 2021
TXC241-120044-
/O.CAN.KLCH.SV.W.0080.000000T0000Z-210512T0045Z/
Jasper TX-
734 PM CDT Tue May 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JASPER COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
southeastern Texas.
LAT...LON 3080 9404 3098 9405 3103 9389 3095 9386
3083 9387
TIME...MOT...LOC 0032Z 263DEG 22KT 3091 9397
$$
RuaThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 7:36 PM CDT | Special Weather Statement | LCH | Orange | 39 min |
| May 11, 7:50 PM CDT | Special Weather Statement | LCH | Hardin | 40 min |
| May 12, 3:22 PM CDT | River Flood Warning | LCH | Hardin, Jasper, Orange, Tyler | 45 days |
Nearby
Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.