Alert archive / Texas / Tornado Warnings in 2017
Tornado Warning 94, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Aug 28, 2017, 2:30 PM CDT for Jefferson County, Texas. It was in force for 30 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 28, 2017, 2:30 PM CDT (19:30 UTC)
- Expired
- Aug 28, 2017, 3:00 PM CDT
- In force
- 30 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), 88 km from the middle of the area, began a volume at 19:28 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 28, 12:16 PM CDT | Tornado Watch | SPC | 12 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.5 hours before the alert went out and 89 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
- 169 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 377 m²/s²
- 0-3 km storm-relative helicity
- 499 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted.
702
WFUS54 KLCH 281930
TORLCH
TXC245-282000-
/O.NEW.KLCH.TO.W.0094.170828T1930Z-170828T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
230 PM CDT MON AUG 28 2017
The National Weather Service in Lake Charles has issued a
* Tornado Warning for...
Central Jefferson County in southeastern Texas...
* Until 300 PM CDT
* At 230 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles south of Port Acres, or 9 miles northwest of
Sabine Pass, moving northwest 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.
* Locations impacted include...
Port Arthur, La Belle 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.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 2975 9398 2971 9407 2994 9424 3001 9405
TIME...MOT...LOC 1930Z 153DEG 13KT 2979 9404
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
Jones1 follow-up statement
320
WWUS54 KLCH 281942
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
242 PM CDT MON AUG 28 2017
TXC245-282000-
/O.CON.KLCH.TO.W.0094.000000T0000Z-170828T2000Z/
Jefferson TX-
242 PM CDT MON AUG 28 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR CENTRAL
JEFFERSON COUNTY...
At 241 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Port Acres, or 9 miles southwest of Port Arthur,
moving northwest at 15 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Port Arthur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 2980 9402 2978 9407 2995 9421 3000 9407
TIME...MOT...LOC 1941Z 153DEG 13KT 2983 9406
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
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, 9:54 PM CDT | Tornado Warning | LCH | Jefferson | 36 min |
| 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, 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.