Alert archive / Louisiana / Tornado Warnings in 2017
Tornado Warning 55, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Aug 26, 2017, 3:38 PM CDT for Vernon Parish, Louisiana. It was in force for 37 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
- Aug 26, 2017, 3:38 PM CDT (20:38 UTC)
- Expired
- Aug 26, 2017, 4:15 PM CDT
- In force
- 37 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Vernon Parish, LA
The radar
The Ft Polk radar (KPOE), 33 km from the middle of the area, began a volume at 20:40 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, 8.6 hours before the alert went out and 121 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
- 2221 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 512 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 241 m²/s²
- 0-3 km storm-relative helicity
- 305 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 13.5
The text
As transmitted.
716
WFUS54 KLCH 262038
TORLCH
LAC115-262115-
/O.NEW.KLCH.TO.W.0055.170826T2038Z-170826T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
338 PM CDT SAT AUG 26 2017
The National Weather Service in Lake Charles has issued a
* Tornado Warning for...
Central Vernon Parish in west central Louisiana...
* Until 415 PM CDT
* At 338 PM CDT, a severe thunderstorm capable of producing a tornado
was located over New Llano, or near Leesville, moving northwest at
25 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...
Anacoco around 405 PM CDT.
Hornbeck around 415 PM CDT.
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 3105 9310 3097 9340 3125 9354 3128 9353
3128 9344 3136 9339 3137 9308
TIME...MOT...LOC 2038Z 154DEG 24KT 3110 9331
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
24The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 11:19 PM CDT | Special Marine Warning | LCH | 41 min | |
| Aug 25, 11:52 PM CDT | Special Marine Warning | LCH | 53 min | |
| Aug 26, 10:54 AM CDT | River Flood Warning | LCH | Calcasieu | 12 days |
| Aug 26, 12:34 PM CDT | Tornado Warning | LCH | Calcasieu | 26 min |
| Aug 26, 1:21 PM CDT | Special Weather Statement | LCH | Saint Landry | 24 min |
| Aug 26, 2:00 PM CDT | Flash Flood Warning | LCH | Beauregard, Calcasieu | 4 hr |
| Aug 26, 4:30 PM CDT | Tornado Warning | LCH | Beauregard | 30 min |
| Aug 26, 5:33 PM CDT | Special Marine Warning | LCH | 27 min |
Nearby
Tornado Warnings in Louisiana, 2017Every tornado warning in 2017Tornadoes in 2017
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.