Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 55, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 23, 2021, 7:15 PM CDT for Vernon Parish, Louisiana; Newton County, Texas. It was in force for 60 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 23, 2021, 7:15 PM CDT (00:15 UTC)
- Expired
- Apr 23, 2021, 8:15 PM CDT
- In force
- 60 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Vernon Parish, LA, Newton County, TX
The radar
The Ft Polk radar (KPOE), 32 km from the middle of the area, began a volume at 00:19 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 23, 7:50 PM CDT | HAIL 0.5 | Fort Polk, LA | REPORT FROM FT POLK WEATHER. |
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 23, 2:00 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.3 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
- 865 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 383 m²/s²
- 0-3 km storm-relative helicity
- 442 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 10.3
The text
As transmitted.
162
WUUS54 KLCH 240015
SVRLCH
LAC115-TXC351-240115-
/O.NEW.KLCH.SV.W.0055.210424T0015Z-210424T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
715 PM CDT Fri Apr 23 2021
The National Weather Service in Lake Charles has issued a
* Severe Thunderstorm Warning for...
Vernon Parish in west central Louisiana...
Northeastern Newton County in southeastern Texas...
* Until 815 PM CDT.
* At 714 PM CDT, a severe thunderstorm was located over Burr Ferry,
or near Toledo Bend Dam, moving northeast at 65 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Leesville, Anacoco, Toledo Bend Dam, Fort Polk, Slagle, New Llano,
Hornbeck, Lacamp, Hutton, Burr Ferry, Kurthwood, Simpson, Evans and
Pickering.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 900 PM CDT for central and
west central Louisiana...and southeastern Texas.
A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a small interior
room.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3136 9299 3134 9298 3132 9291 3127 9285
3118 9283 3094 9341 3092 9365 3117 9365
3117 9358 3118 9355 3123 9354 3124 9356
3128 9353 3128 9344 3136 9339
TIME...MOT...LOC 0014Z 228DEG 55KT 3110 9349
HAIL...0.88IN
WIND...60MPH
$$
Stigger/87The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 7:35 PM CDT | Tornado Warning | LCH | Vernon | 25 min |
| Apr 23, 7:45 PM CDT | Severe Thunderstorm Warning | LCH | Beauregard | 22 min |
| Apr 23, 7:57 PM CDT | Tornado Warning | LCH | Beauregard | 33 min |
| Apr 23, 8:00 PM CDT | Severe Thunderstorm Warning | LCH | Rapides, Vernon | 60 min |
| Apr 23, 8:25 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Rapides | 1 min |
| Apr 23, 8:26 PM CDT | Tornado Warning | LCH | Rapides, Vernon | 34 min |
| Apr 23, 8:29 PM CDT | Tornado Warning | LCH | Beauregard | 31 min |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Allen | 21 days |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Allen, Rapides | 21 days |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Acadia, Evangeline, Saint Landry | 40 hr |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Allen, Beauregard | 5 days |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Allen, Beauregard | 4 days |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Acadia, Allen, Evangeline, Jefferson Davis | 21 days |
| Apr 23, 8:51 PM CDT | River Flood Warning | LCH | Allen, Calcasieu, Jefferson Davis | 21 days |
| Apr 23, 9:00 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Rapides | 60 min |
| Apr 23, 9:00 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Beauregard, Evangeline, Rapides, Vernon | 14 min |
| Apr 23, 9:34 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Rapides | 26 min |
| Apr 23, 9:43 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Beauregard, Vernon | 13 min |
| Apr 23, 9:57 PM CDT | Severe Thunderstorm Warning | LCH | Allen, Evangeline | 33 min |
| Apr 23, 10:19 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Evangeline, Rapides, Saint Landry | 41 min |
| Apr 23, 10:58 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Evangeline, Saint Landry | 46 min |
| Apr 23, 11:01 PM CDT | Special Weather Statement | LCH | Jefferson Davis | 44 min |
| Apr 23, 11:12 PM CDT | Special Weather Statement | LCH | Beauregard | 33 min |
| Apr 23, 11:28 PM CDT | Special Weather Statement | LCH | Cameron | 17 min |
| Apr 23, 11:41 PM CDT | Special Weather Statement | LCH | Acadia | 34 min |
| Apr 23, 11:50 PM CDT | Special Weather Statement | LCH | Cameron, Jefferson Davis | 25 min |
| Apr 24, 12:29 AM CDT | Special Marine Warning | LCH | 61 min | |
| Apr 24, 12:36 AM CDT | Special Weather Statement | LCH | Acadia, Lafayette, Saint Landry | 54 min |
| Apr 24, 1:26 AM CDT | Special Marine Warning | LCH | 64 min | |
| Apr 24, 1:31 AM CDT | Special Weather Statement | LCH | Cameron, Vermilion | 44 min |
| Apr 24, 1:59 AM CDT | Severe Thunderstorm Warning | LCH | Cameron, Iberia, Lafayette, Saint Martin, St. Mary, Vermilion | 61 min |
| Apr 24, 2:00 AM CDT | Special Marine Warning | LCH | 60 min | |
| Apr 24, 2:26 AM CDT | Special Marine Warning | LCH | 64 min | |
| Apr 24, 2:52 AM CDT | Severe Thunderstorm Warning | LCH | Iberia, Saint Martin, St. Mary | 53 min |
| Apr 24, 2:54 AM CDT | Special Marine Warning | LCH | 36 min | |
| Apr 24, 2:58 AM CDT | River Flood Warning | LCH | Lafayette, Saint Martin, Vermilion | 58 hr |
| Apr 24, 2:58 AM CDT | River Flood Warning | LCH | Acadia, Jefferson Davis, Vermilion | 21 days |
| Apr 23, 7:30 PM CDT | Tornado Warning | LCH | Jasper, Newton, Tyler | 30 min |
| Apr 24, 6:02 AM CDT | Areal Flood Warning | LCH | Newton | 16 hr |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2021Severe 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.