Alert archive / Louisiana / Tornado Warnings in 2018
Tornado Warning 4, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Feb 21, 2018, 8:32 AM CST for Vernon Parish, Louisiana. It was in force for 28 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
- Feb 21, 2018, 8:32 AM CST (14:32 UTC)
- Expired
- Feb 21, 2018, 9:00 AM CST
- In force
- 28 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Vernon Parish, LA
The radar
The Ft Polk radar (KPOE), 46 km from the middle of the area, began a volume at 14:32 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 nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 2.5 hours before the alert went out and 107 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
- 1458 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 203 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 10.0
The text
As transmitted.
260
WFUS54 KLCH 211432
TORLCH
LAC115-211500-
/O.NEW.KLCH.TO.W.0004.180221T1432Z-180221T1500Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
832 AM CST WED FEB 21 2018
The National Weather Service in Lake Charles has issued a
* Tornado Warning for...
Western Vernon Parish in west central Louisiana...
* Until 900 AM CST
* At 831 AM CST, a severe thunderstorm capable of producing a tornado
was located near Burr Ferry, or 10 miles northwest of Rosepine,
moving northeast at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Burr Ferry around 840 AM CST.
Fort Polk around 850 AM CST.
New Llano around 855 AM CST.
Leesville and Anacoco around 900 AM CST.
Other locations impacted by this tornadic thunderstorm include Evans
and Pickering.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.
&&
LAT...LON 3122 9313 3088 9337 3088 9341 3093 9353
3096 9353 3096 9355 3097 9356 3101 9355
3103 9351 3105 9353 3106 9352 3107 9352
3130 9343 3133 9341
TIME...MOT...LOC 1431Z 205DEG 27KT 3098 9344
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
131 follow-up statement
758
WWUS54 KLCH 211446
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
846 AM CST WED FEB 21 2018
LAC115-211500-
/O.CON.KLCH.TO.W.0004.000000T0000Z-180221T1500Z/
Vernon LA-
846 AM CST WED FEB 21 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM CST FOR WESTERN
VERNON PARISH...
At 845 AM CST, a severe thunderstorm capable of producing a tornado
was located near Burr Ferry, or 9 miles southwest of Leesville,
moving northeast at 25 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Fort Polk around 855 AM CST.
Leesville and New Llano around 900 AM CST.
Other locations impacted by this tornadic thunderstorm include
Pickering.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3092 9335 3101 9353 3103 9351 3104 9352
3127 9341 3115 9318 3095 9332
TIME...MOT...LOC 1445Z 211DEG 21KT 3104 9339
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
13The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 8:59 AM CST | Tornado Warning | LCH | Vernon | 31 min |
| Feb 21, 9:34 AM CST | Special Weather Statement | LCH | Vernon | 26 min |
| Feb 21, 9:39 AM CST | Special Weather Statement | LCH | Rapides | 36 min |
| Feb 21, 9:46 AM CST | Flash Flood Warning | LCH | Beauregard, Vernon | 5 hr |
| Feb 21, 10:11 AM CST | Tornado Warning | LCH | Rapides, Vernon | 15 min |
| Feb 21, 10:23 AM CST | River Flood Warning | LCH | Beauregard | 8 days |
| Feb 21, 10:23 AM CST | River Flood Warning | LCH | Rapides | 14 days |
| Feb 21, 10:23 AM CST | River Flood Warning | LCH | Calcasieu | 65 hr |
| Feb 21, 10:29 AM CST | Special Weather Statement | LCH | Vernon | 46 min |
| Feb 21, 10:37 AM CST | Wind Advisory | LCH | Cameron, Lafayette, Saint Martin | 7 hr |
| Feb 21, 10:52 AM CST | Flash Flood Warning | LCH | Vernon | 4 hr |
| Feb 21, 11:05 AM CST | River Flood Warning | LCH | Vernon | 8 days |
| Feb 21, 11:19 AM CST | Flash Flood Warning | LCH | Rapides | 3 hr |
| Feb 21, 11:28 AM CST | Flash Flood Watch | LCH | Allen, Beauregard, Rapides, Vernon | 31 hr |
| Feb 21, 2:19 PM CST | River Flood Warning | LCH | Beauregard, Calcasieu | 69 days |
| Feb 21, 2:46 PM CST | Flash Flood Warning | LCH | Rapides, Vernon | 5 hr |
Nearby
Tornado Warnings in Louisiana, 2018Every tornado warning in 2018Tornadoes in 2018
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.