Alert archive / Texas / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 98, NWS Lake Charles, LA

May 20, 2025Jefferson County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at May 20, 2025, 5:42 PM CDT for Jefferson County, Texas. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 20, 2025, 5:42 PM CDT (22:42 UTC)
Expired
May 20, 2025, 6:10 PM CDT
In force
28 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), 95 km from the middle of the area, began a volume at 22:42 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

Shreveport, LA (KSHV), launched 12:00Z, 10.7 hours before the alert went out and 295 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.

Skew-T log-pSkew-T log-p diagram, Shreveport, LA at 12:00Z on 2025-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1505 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2025-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 311 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1505 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
726 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
311 m²/s²
0-3 km storm-relative helicity
305 m²/s²
Significant tornado parameter
2.3
Supercell composite
15.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at May 20, 3:03 PM CDT, 2 hours 39 minutes earlier.

Area forecast discussion, May 20, 3:03 PM CDT, 2 hours 39 minutes before
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In the hours before

Special weather statement, May 20, 4:50 PM CDT, 52 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
450 PM CDT Tue May 20 2025

TXZ201-515-202245-
Hardin TX-Upper Jefferson TX-
450 PM CDT Tue May 20 2025

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN JEFFERSON AND
SOUTHWESTERN HARDIN COUNTIES THROUGH 545 PM CDT...

At 449 PM CDT, Doppler radar was tracking a strong thunderstorm over
Daisetta, or 10 miles northeast of Liberty, moving east at 30 mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to vegetation and outdoor
         objects is possible.

Locations impacted include...
Sour Lake, Nome, and China.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3028 9431 2994 9426 2997 9444 3011 9445
      3011 9460 3023 9464
TIME...MOT...LOC 2149Z 266DEG 24KT 3012 9465

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

Rua
Special weather statement, May 20, 5:33 PM CDT, 9 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
533 PM CDT Tue May 20 2025

TXZ180-201-202330-
Hardin TX-Tyler TX-
533 PM CDT Tue May 20 2025

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN TYLER AND NORTH
CENTRAL HARDIN COUNTIES THROUGH 630 PM CDT...

At 533 PM CDT, Doppler radar was tracking a strong thunderstorm near
Wildwood, moving east at 15 mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to vegetation and outdoor
         objects is possible.

Locations impacted include...
Warren, Wildwood, Village Mills, Ivanhoe, and Hillister.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3070 9433 3046 9432 3048 9457 3049 9457
      3049 9454 3064 9457 3066 9457
TIME...MOT...LOC 2233Z 267DEG 11KT 3057 9453

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

Rua

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 20, 10:23 AM CDTRiver Flood WarningLCHCalcasieu4 days
May 20, 4:50 PM CDTSpecial Weather StatementLCHHardin55 min
May 20, 5:33 PM CDTSpecial Weather StatementLCHTyler57 min

Nearby

Severe Thunderstorm Warnings in Texas, 2025Every severe thunderstorm warning in 2025

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.