Alert archive / Louisiana / Tornado Warnings in 2017
Tornado Warning 70, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Aug 27, 2017, 2:40 PM CDT for Iberia Parish, Saint Martin Parish, Louisiana. It was in force for 20 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 27, 2017, 2:40 PM CDT (19:40 UTC)
- Expired
- Aug 27, 2017, 3:00 PM CDT
- In force
- 20 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Iberia Parish, LA, Saint Martin Parish, LA
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.7 hours before the alert went out and 141 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
- 323 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 934 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 181 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.0
The text
As transmitted.
541
WFUS54 KLCH 271940
TORLCH
LAC045-099-272015-
/O.NEW.KLCH.TO.W.0070.170827T1940Z-170827T2015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
240 PM CDT SUN AUG 27 2017
The National Weather Service in Lake Charles has issued a
* Tornado Warning for...
North central Iberia Parish in south central Louisiana...
West central St. Martin Parish in south central Louisiana...
* Until 315 PM CDT
* At 239 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Loreauville, or near New Iberia, moving north at
15 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...
Lafayette and Loreauville around 245 PM CDT.
St. Martinville around 305 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 2995 9169 2995 9181 3019 9186 3019 9161
TIME...MOT...LOC 1939Z 183DEG 14KT 3004 9173
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
241 follow-up statement
491
WWUS54 KLCH 272000
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
300 PM CDT SUN AUG 27 2017
LAC045-099-272010-
/O.CAN.KLCH.TO.W.0070.000000T0000Z-170827T2015Z/
Iberia LA-St. Martin LA-
300 PM CDT SUN AUG 27 2017
...THE TORNADO WARNING FOR NORTH CENTRAL IBERIA AND WEST CENTRAL ST.
MARTIN PARISHES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled. However gusty winds and
heavy rain are still possible with this thunderstorm.
LAT...LON 2995 9169 2995 9181 3019 9186 3019 9161
TIME...MOT...LOC 1958Z 183DEG 14KT 3012 9172
$$
24The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 7:43 PM CDT | Tornado Warning | LCH | Cameron | 32 min |
| Aug 26, 10:53 PM CDT | Special Marine Warning | LCH | 37 min | |
| Aug 27, 8:59 AM CDT | Special Marine Warning | LCH | 61 min | |
| Aug 27, 9:16 AM CDT | Special Marine Warning | LCH | 29 min | |
| Aug 27, 9:24 AM CDT | Special Marine Warning | LCH | 36 min | |
| Aug 27, 9:55 AM CDT | Flash Flood Warning | LCH | Calcasieu, Cameron | 5 hr |
| Aug 27, 9:57 AM CDT | River Flood Warning | LCH | Acadia, Jefferson Davis, Vermilion | 14 days |
| Aug 27, 10:00 AM CDT | Special Marine Warning | LCH | 60 min | |
| Aug 27, 10:55 AM CDT | Special Marine Warning | LCH | 65 min | |
| Aug 27, 11:10 AM CDT | Special Weather Statement | LCH | Cameron, Vermilion | 65 min |
| Aug 27, 11:52 AM CDT | Flash Flood Warning | LCH | Calcasieu, Jefferson Davis | 4 hr |
| Aug 27, 11:55 AM CDT | Special Marine Warning | LCH | 65 min | |
| Aug 27, 12:20 PM CDT | Special Weather Statement | LCH | Beauregard, Jefferson Davis | 55 min |
| Aug 27, 12:31 PM CDT | Special Marine Warning | LCH | 29 min | |
| Aug 27, 12:59 PM CDT | Special Marine Warning | LCH | 61 min | |
| Aug 27, 1:02 PM CDT | Tornado Warning | LCH | Lafayette, Vermilion | 28 min |
| Aug 27, 1:12 PM CDT | Special Weather Statement | LCH | Allen, Beauregard | 63 min |
| Aug 27, 1:27 PM CDT | Tornado Warning | LCH | Lafayette, Vermilion | 33 min |
| Aug 27, 1:55 PM CDT | Tornado Warning | LCH | Lafayette, Vermilion | 35 min |
| Aug 27, 1:58 PM CDT | Special Marine Warning | LCH | 62 min | |
| Aug 27, 2:00 PM CDT | Special Marine Warning | LCH | 60 min | |
| Aug 27, 2:10 PM CDT | Tornado Warning | LCH | Iberia | 35 min |
| Aug 27, 2:27 PM CDT | Tornado Warning | LCH | Lafayette, Vermilion | 21 min |
| Aug 27, 2:40 PM CDT | Flash Flood Warning | LCH | Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis | 5 hr |
| Aug 27, 2:50 PM CDT | Areal Flood Advisory | LCH | Acadia, Iberia, Lafayette, Saint Landry, Saint Martin, Vermilion | 4 hr |
| Aug 27, 3:02 PM CDT | Special Weather Statement | LCH | Saint Martin | 43 min |
| Aug 27, 3:21 PM CDT | Special Marine Warning | LCH | 24 min | |
| Aug 27, 3:22 PM CDT | Special Marine Warning | LCH | 23 min | |
| Aug 27, 3:41 PM CDT | Special Marine Warning | LCH | 34 min | |
| Aug 27, 4:14 PM CDT | Special Marine Warning | LCH | 31 min | |
| Aug 27, 4:29 PM CDT | Special Marine Warning | LCH | 61 min | |
| Aug 27, 4:30 PM CDT | Tornado Warning | LCH | Cameron | 30 min |
| Aug 27, 4:34 PM CDT | Special Marine Warning | LCH | 56 min | |
| Aug 27, 4:47 PM CDT | Special Marine Warning | LCH | 58 min | |
| Aug 27, 5:15 PM CDT | Special Marine Warning | LCH | 60 min | |
| Aug 27, 5:33 PM CDT | Special Marine Warning | LCH | 57 min | |
| Aug 27, 6:13 PM CDT | Special Marine Warning | LCH | 62 min | |
| Aug 27, 6:29 PM CDT | Special Marine Warning | LCH | 61 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.