Alert archive / Louisiana / Tornado Warnings in 2017
Tornado Warning 101, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Aug 29, 2017, 4:20 PM CDT for Acadia Parish, Louisiana. It was in force for 25 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
- Aug 29, 2017, 4:20 PM CDT (21:20 UTC)
- Expired
- Aug 29, 2017, 4:45 PM CDT
- In force
- 25 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Acadia Parish, LA
The radar
The Lake Charles radar (KLCH), 76 km from the middle of the area, began a volume at 21:20 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 |
|---|---|---|---|
| Aug 29, 4:35 PM CDT | FUNNEL CLOUD | Lyons Point, LA | ACADIA PARISH SHERIFFS OFFICE RELAYED A PUBLIC REPORT OF A FUNNEL CLOUD NEAR LYONS POINT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.3 hours before the alert went out and 75 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
- 294 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 539 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 363 m²/s²
- 0-3 km storm-relative helicity
- 449 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.7
The text
As transmitted.
736
WFUS54 KLCH 292120
TORLCH
LAC001-292145-
/O.NEW.KLCH.TO.W.0101.170829T2120Z-170829T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
420 PM CDT TUE AUG 29 2017
The National Weather Service in Lake Charles has issued a
* Tornado Warning for...
South central Acadia Parish in southwestern Louisiana...
* Until 445 PM CDT
* At 420 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Wright, or near Kaplan, moving northwest at 20
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...
Lyons Point around 430 PM CDT.
Morse around 445 PM CDT.
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 3006 9246 3006 9247 3010 9253 3019 9240
3008 9235 3008 9236 3007 9237 3005 9241
3005 9243
TIME...MOT...LOC 2120Z 144DEG 16KT 3003 9237
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
251 follow-up statement
661
WWUS54 KLCH 292133
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
433 PM CDT TUE AUG 29 2017
LAC001-292145-
/O.CON.KLCH.TO.W.0101.000000T0000Z-170829T2145Z/
Acadia LA-
433 PM CDT TUE AUG 29 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR SOUTH
CENTRAL ACADIA PARISH...
At 432 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Lyons Point, or 7 miles northeast of Gueydan,
moving northwest at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Morse around 445 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3006 9246 3006 9247 3010 9253 3019 9240
3008 9235 3008 9236 3007 9237 3005 9241
3005 9243
TIME...MOT...LOC 2132Z 143DEG 18KT 3009 9242
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
25The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 7:19 PM CDT | Special Marine Warning | LCH | 41 min | |
| Aug 28, 7:44 PM CDT | Special Marine Warning | LCH | 46 min | |
| Aug 28, 7:47 PM CDT | Tornado Warning | LCH | Cameron | 43 min |
| Aug 28, 8:29 PM CDT | Special Marine Warning | LCH | 46 min | |
| Aug 28, 10:00 PM CDT | Special Marine Warning | LCH | 60 min | |
| Aug 29, 2:02 AM CDT | Flash Flood Warning | LCH | Calcasieu, Cameron, Jefferson Davis | 9 hr |
| Aug 29, 1:05 PM CDT | Flash Flood Warning | LCH | Calcasieu, Cameron | 6 hr |
| Aug 29, 1:46 PM CDT | Special Marine Warning | LCH | 14 min | |
| Aug 29, 4:33 PM CDT | Storm Surge Warning | LCH | Cameron | 27 hr |
| Aug 29, 4:44 PM CDT | Tornado Warning | LCH | Acadia | 31 min |
| Aug 29, 5:00 PM CDT | Small Craft Advisory | LCH | 50 hr | |
| Aug 29, 5:14 PM CDT | Tornado Warning | LCH | Acadia, Jefferson Davis | 31 min |
| Aug 29, 5:38 PM CDT | Tornado Warning | LCH | Acadia, Lafayette | 37 min |
| Aug 29, 5:45 PM CDT | Tornado Warning | LCH | Allen, Jefferson Davis | 30 min |
| Aug 29, 5:53 PM CDT | Tornado Warning | LCH | Allen, Jefferson Davis | 37 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.