Alert archive / Texas / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 310, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at May 27, 2025, 12:05 AM CDT for 4 counties in Texas. It was in force for 40 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 27, 2025, 12:05 AM CDT (05:05 UTC)
- Expired
- May 27, 2025, 12:45 AM CDT
- In force
- 40 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Angelina County, TX, Nacogdoches County, TX, Sabine County, TX, San Augustine County, TX
The radar
The Ft Polk radar (KPOE), 145 km from the middle of the area, began a volume at 05:09 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 00:00Z, 5.1 hours before the alert went out and 164 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
- 122 J/kg
- Mixed-layer CIN
- -327 J/kg
- Mixed-layer LCL
- 848 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
253
WUUS54 KSHV 270505
SVRSHV
TXC005-347-403-405-270545-
/O.NEW.KSHV.SV.W.0310.250527T0505Z-250527T0545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Shreveport LA
1205 AM CDT Tue May 27 2025
The National Weather Service in Shreveport has issued a
* Severe Thunderstorm Warning for...
Southeastern Nacogdoches County in eastern Texas...
Angelina County in eastern Texas...
Southern San Augustine County in eastern Texas...
Southwestern Sabine County in eastern Texas...
* Until 1245 AM CDT.
* At 1205 AM CDT, a severe thunderstorm was located near Diboll,
moving east at 50 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...
Burke, McElroy, Broaddus, Macune, Etoile, Shawnee, Homer,
Huntington, Dolan, Zavalla, Diboll, and Lufkin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3104 9449 3107 9459 3110 9465 3109 9467
3110 9474 3115 9485 3123 9486 3125 9488
3151 9422 3115 9394 3114 9404 3111 9406
3103 9447
TIME...MOT...LOC 0505Z 259DEG 42KT 3115 9475
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
53The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 11:55 PM CDT | Special Weather Statement | SHV | Angelina, Nacogdoches | 65 min |
| May 27, 12:45 AM CDT | Severe Thunderstorm Warning | SHV | Angelina, Nacogdoches, Sabine, San Augustine | 45 min |
| May 27, 1:27 AM CDT | Severe Thunderstorm Warning | SHV | Angelina, Nacogdoches, Sabine, San Augustine | 48 min |
| May 27, 1:59 AM CDT | Special Weather Statement | SHV | Sabine | 61 min |
| May 27, 2:41 AM CDT | Special Weather Statement | SHV | Sabine | 64 min |
| May 27, 8:24 AM CDT | River Flood Warning | SHV | Gregg, Harrison | 6 hr |
| May 27, 8:28 AM CDT | River Flood Warning | SHV | Anderson, Angelina, Cherokee, Houston | 12 hr |
| May 27, 8:29 AM CDT | River Flood Warning | SHV | Angelina, Polk, Trinity | 40 days |
| May 27, 8:39 AM CDT | River Flood Warning | SHV | Angelina, Nacogdoches | 51 days |
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.