Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 84, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at May 17, 2021, 3:44 AM CDT for Jefferson County, Texas. It was in force for 61 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
- May 17, 2021, 3:44 AM CDT (08:44 UTC)
- Expired
- May 17, 2021, 4:45 AM CDT
- In force
- 61 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
County Jefferson County, TX
The radar
The Lake Charles radar (KLCH), 79 km from the middle of the area, began a volume at 08:42 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 00:00Z, 8.7 hours before the alert went out and 80 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
- 772 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 804 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
001
WUUS54 KLCH 170844
SVRLCH
TXC245-170945-
/O.NEW.KLCH.SV.W.0084.210517T0844Z-210517T0945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
344 AM CDT Mon May 17 2021
The National Weather Service in Lake Charles has issued a
* Severe Thunderstorm Warning for...
Southeastern Jefferson County in southeastern Texas...
* Until 445 AM CDT.
* At 344 AM CDT, a severe thunderstorm was located near Sabine Pass,
moving northeast at 40 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Port Arthur, Nederland, Groves, Port Neches, Central Gardens, Port
Acres, Southeast Texas Regional Airport and Sea Rim State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2978 9414 3000 9402 2995 9386 2993 9386
2986 9393 2984 9392 2985 9394 2984 9395
2982 9394 2983 9392 2982 9393 2981 9393
2981 9395 2980 9395 2980 9393 2978 9394
2977 9391 2977 9390 2968 9398 2967 9405
TIME...MOT...LOC 0844Z 235DEG 34KT 2976 9400
HAIL...1.25IN
WIND...60MPH
$$
Erickson1 follow-up statement
553
WWUS54 KLCH 170913
SVSLCH
Severe Weather Statement
National Weather Service Lake Charles LA
413 AM CDT Mon May 17 2021
TXC245-170945-
/O.CON.KLCH.SV.W.0084.000000T0000Z-210517T0945Z/
Jefferson TX-
413 AM CDT Mon May 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR SOUTHEASTERN JEFFERSON COUNTY...
At 413 AM CDT, a severe thunderstorm was located 9 miles west of
Sabine National Wildlife, moving northeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Port Arthur and Sea Rim State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 2979 9412 2989 9402 2990 9390 2986 9393
2984 9392 2985 9394 2984 9395 2982 9394
2983 9392 2982 9393 2981 9393 2981 9395
2980 9395 2980 9393 2978 9394 2977 9391
2977 9390 2968 9398 2967 9405
TIME...MOT...LOC 0913Z 235DEG 34KT 2992 9374
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
EricksonThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 3:56 AM CDT | Special Weather Statement | LCH | Orange | 49 min |
| May 17, 4:22 AM CDT | Severe Thunderstorm Warning | LCH | Jefferson | 53 min |
| May 17, 5:28 AM CDT | Tornado Warning | LCH | Newton | 32 min |
| May 17, 9:34 AM CDT | Flash Flood Warning | LCH | Jasper, Newton | 5 hr |
| May 17, 9:37 AM CDT | Flash Flood Warning | LCH | Hardin, Jasper, Newton | 5 hr |
| May 17, 9:40 AM CDT | Flash Flood Warning | LCH | Jefferson, Orange | 5 hr |
| May 17, 9:54 AM CDT | Areal Flood Warning | LCH | Newton | 72 hr |
| May 17, 10:32 AM CDT | River Flood Warning | LCH | Jasper, Tyler | 32 days |
| May 17, 11:21 AM CDT | Flash Flood Watch | LCH | Hardin, Jasper, Newton, Tyler | 5 days |
| May 17, 11:52 AM CDT | Flash Flood Warning | LCH | Jefferson | 9 hr |
| May 17, 12:33 PM CDT | River Flood Warning | LCH | Hardin, Jefferson, Orange | 28 days |
| May 17, 2:03 PM CDT | Flash Flood Warning | LCH | Jefferson, Orange | 7 hr |
| May 17, 2:19 PM CDT | Flash Flood Warning | LCH | Hardin, Jasper, Newton | 5 hr |
| May 17, 2:24 PM CDT | Flash Flood Warning | LCH | Jasper, Newton | 3 hr |
| May 17, 3:56 PM CDT | River Flood Warning | LCH | Hardin, Jefferson, Orange | 14 days |
| May 17, 5:34 PM CDT | Areal Flood Warning | LCH | Jasper, Orange | 7 days |
| May 17, 6:50 PM CDT | Areal Flood Warning | LCH | Hardin, Jasper, Newton, Tyler | 3 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm warning in 2021
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.