Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 42, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 14, 2021, 7:52 PM CDT for Jefferson County, Texas. It was in force for 38 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
- Apr 14, 2021, 7:52 PM CDT (00:52 UTC)
- Expired
- Apr 14, 2021, 8:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
County Jefferson County, TX
The radar
The Lake Charles radar (KLCH), 97 km from the middle of the area, began a volume at 00:56 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 |
|---|---|---|---|
| Apr 14, 1:40 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.9 hours before the alert went out and 98 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
- 651 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 566 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.6
The text
As transmitted.
542
WUUS54 KLCH 150052
SVRLCH
TXC245-150130-
/O.NEW.KLCH.SV.W.0042.210415T0052Z-210415T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
752 PM CDT Wed Apr 14 2021
The National Weather Service in Lake Charles has issued a
* Severe Thunderstorm Warning for...
Southern Jefferson County in southeastern Texas...
* Until 830 PM CDT.
* At 751 PM CDT, a severe thunderstorm was located over Stowell, or 8
miles southwest of Hamshire, moving east at 25 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Port Arthur, Hamshire and Sea Rim State Park.
This includes Interstate 10 in Texas near mile marker 832.
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.
&&
LAT...LON 2964 9435 2987 9436 2987 9393 2981 9395
2978 9394 2968 9395 2968 9403 2963 9417
TIME...MOT...LOC 0051Z 272DEG 22KT 2974 9437
HAIL...1.25IN
WIND...60MPH
$$
Warthen1 follow-up statement
648
WWUS54 KLCH 150108
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
808 PM CDT Wed Apr 14 2021
TXC245-150130-
/O.CON.KLCH.SV.W.0042.000000T0000Z-210415T0130Z/
Jefferson TX-
808 PM CDT Wed Apr 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR SOUTHERN JEFFERSON COUNTY...
At 808 PM CDT, a severe thunderstorm was located 8 miles southeast of
Stowell, or 9 miles south of Hamshire, moving east at 30 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Port Arthur, Hamshire and Sea Rim State Park.
This includes Interstate 10 in Texas near mile marker 832.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 2964 9435 2987 9436 2987 9393 2981 9395
2978 9394 2968 9395 2968 9403 2963 9417
TIME...MOT...LOC 0108Z 268DEG 25KT 2972 9427
HAIL...1.25IN
WIND...60MPH
$$
WarthenThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 7:26 PM CDT | Special Weather Statement | LCH | Hardin | 34 min |
| Apr 14, 7:40 PM CDT | Special Weather Statement | LCH | Jefferson | 35 min |
| Apr 14, 8:28 PM CDT | Severe Thunderstorm Warning | LCH | Jefferson | 30 min |
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.