Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 76, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Aug 27, 2017, 9:54 PM CDT for Jefferson County, Texas. It was in force for 36 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, 9:54 PM CDT (02:54 UTC)
- Expired
- Aug 27, 2017, 10:30 PM CDT
- In force
- 36 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Jefferson County, TX
The radar
The Lake Charles radar (KLCH), 81 km from the middle of the area, began a volume at 02:58 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 27, 12:40 PM CDT | Tornado Watch | SPC | 13 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.9 hours before the alert went out and 82 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
- 311 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 253 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.4
The text
As transmitted.
176
WFUS54 KLCH 280254
TORLCH
TXC245-280330-
/O.NEW.KLCH.TO.W.0076.170828T0254Z-170828T0330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
954 PM CDT SUN AUG 27 2017
The National Weather Service in Lake Charles has issued a
* Tornado Warning for...
Southeastern Jefferson County in southeastern Texas...
* Until 1030 PM CDT
* At 954 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Sabine Pass, 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.
* Locations impacted include...
Port Arthur, Sabine Pass, Port Acres and Sea Rim State Park.
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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 2982 9422 2997 9397 2988 9391 2986 9393
2984 9392 2985 9394 2984 9395 2982 9394
2983 9392 2982 9392 2981 9395 2980 9395
2981 9393 2977 9393 2976 9390 2969 9384
2968 9400 2967 9407
TIME...MOT...LOC 0254Z 145DEG 17KT 2970 9394
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
Jones1 follow-up statement
528
WWUS54 KLCH 280317
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
1017 PM CDT SUN AUG 27 2017
TXC245-280330-
/O.CON.KLCH.TO.W.0076.000000T0000Z-170828T0330Z/
Jefferson TX-
1017 PM CDT SUN AUG 27 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT FOR EAST
CENTRAL JEFFERSON COUNTY...
At 1017 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles south of Port Acres, or 8 miles northwest of
Sabine Pass, moving northwest at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Port Arthur and Port Acres.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 2996 9399 2986 9393 2984 9392 2985 9394
2984 9395 2982 9394 2983 9392 2982 9392
2981 9395 2980 9395 2981 9393 2979 9394
2977 9394 2974 9402 2975 9405 2986 9415
TIME...MOT...LOC 0317Z 145DEG 17KT 2979 9401
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
JonesThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 7:00 PM CDT | Tornado Warning | LCH | Jefferson | 30 min |
| Aug 27, 7:24 PM CDT | Tornado Warning | LCH | Jefferson | 51 min |
| Aug 27, 7:41 PM CDT | Flash Flood Warning | LCH | Hardin, Jasper, Jefferson, Orange | 10 hr |
| Aug 27, 11:58 PM CDT | Flash Flood Warning | LCH | Newton, Orange | 8 hr |
| Aug 28, 12:19 AM CDT | Tornado Warning | LCH | Jefferson, Orange | 26 min |
| Aug 28, 12:49 AM CDT | Special Weather Statement | LCH | Orange | 41 min |
| Aug 28, 3:42 AM CDT | Tornado Warning | LCH | Jefferson | 38 min |
| Aug 28, 4:55 AM CDT | Special Weather Statement | LCH | Orange | 50 min |
| Aug 28, 5:00 AM CDT | Coastal Flood Advisory | LCH | 9 hr | |
| Aug 28, 5:42 AM CDT | Flash Flood Warning | LCH | Hardin, Jasper, Jefferson, Orange | 12 hr |
| Aug 28, 7:54 AM CDT | Flash Flood Warning | LCH | Newton, Orange | 11 hr |
| Aug 28, 8:05 AM CDT | Flash Flood Warning | LCH | Jasper, Tyler | 11 hr |
| Aug 28, 9:18 AM CDT | River Flood Warning | LCH | Newton | 10 days |
| Aug 28, 9:38 AM CDT | Tornado Warning | LCH | Jasper, Newton | 22 min |
| Aug 28, 10:20 AM CDT | Tropical Storm Warning | LCH | 58 hr | |
| Aug 28, 10:31 AM CDT | River Flood Warning | LCH | Jasper, Tyler | 11 days |
| Aug 28, 10:31 AM CDT | River Flood Warning | LCH | Hardin, Jasper | 15 days |
| Aug 28, 2:26 PM CDT | River Flood Warning | LCH | Orange | 13 days |
| Aug 28, 2:30 PM CDT | Tornado Warning | LCH | Jefferson | 30 min |
| Aug 28, 3:14 PM CDT | Tornado Warning | LCH | Jefferson | 31 min |
| Aug 28, 3:42 PM CDT | Tornado Warning | LCH | Hardin, Jefferson | 33 min |
| Aug 28, 4:15 PM CDT | Storm Surge Watch | LCH | 51 hr | |
| Aug 28, 5:55 PM CDT | Flash Flood Warning | LCH | Hardin, Jasper, Jefferson, Newton, Orange | 28 hr |
Nearby
Tornado Warnings in Texas, 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.