Alert archive / Texas / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 21, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 21, 2026, 3:26 AM CDT for Hidalgo County, Starr County, Texas. It was in force for 49 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 21, 2026, 3:26 AM CDT (08:26 UTC)
- Expired
- May 21, 2026, 4:15 AM CDT
- In force
- 49 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Hidalgo County, TX, Starr County, TX
The radar
The Brownsville radar (KBRO), 99 km from the middle of the area, began a volume at 08:28 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 nearest sounding before it
Brownsville Intl, TX (KBRO), launched 00:00Z, 8.4 hours before the alert went out and 102 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
- 1527 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1086 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
As transmitted.
836
WUUS54 KBRO 210826
SVRBRO
TXC215-427-210915-
/O.NEW.KBRO.SV.W.0021.260521T0826Z-260521T0915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Brownsville TX
326 AM CDT Thu May 21 2026
The National Weather Service in Brownsville has issued a
* Severe Thunderstorm Warning for...
Central Hidalgo County in Deep South Texas...
East central Starr County in Deep South Texas...
* Until 415 AM CDT.
* At 326 AM CDT, a severe thunderstorm was located 10 miles northeast
of La Victoria, or 11 miles west of Mccook, moving east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Hargill, San Manuel, Mccook, Linn, Faysville, Red Gate, Jose
Borrego Middle School, Monte Cristo Elementary School, Doolittle,
and Monte Alto.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2637 9864 2655 9865 2664 9799 2662 9799
2661 9798 2654 9798 2645 9800 2644 9797
2632 9797
TIME...MOT...LOC 0826Z 265DEG 47KT 2647 9856
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Caceres2 follow-up statements
947
WWUS54 KBRO 210900
SVSBRO
Severe Weather Statement
National Weather Service Brownsville TX
400 AM CDT Thu May 21 2026
TXC427-210909-
/O.CAN.KBRO.SV.W.0021.000000T0000Z-260521T0915Z/
Starr TX-
400 AM CDT Thu May 21 2026
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL STARR COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 2636 9846 2656 9843 2658 9842 2664 9799
2662 9799 2661 9798 2654 9798 2645 9800
2644 9797 2632 9797
TIME...MOT...LOC 0859Z 264DEG 40KT 2650 9820
$$
TXC215-210915-
/O.CON.KBRO.SV.W.0021.000000T0000Z-260521T0915Z/
Hidalgo TX-
400 AM CDT Thu May 21 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 AM CDT
FOR CENTRAL HIDALGO COUNTY...
At 359 AM CDT, a severe thunderstorm was located near Red Gate, or
near Linn, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Hargill, San Manuel, Mccook, Linn, Faysville, Red Gate, Jose Borrego
Middle School, Monte Cristo Elementary School, Doolittle, and Monte
Alto.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2636 9846 2656 9843 2658 9842 2664 9799
2662 9799 2661 9798 2654 9798 2645 9800
2644 9797 2632 9797
TIME...MOT...LOC 0859Z 264DEG 40KT 2650 9820
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Caceres153
WWUS54 KBRO 210915
SVSBRO
Severe Weather Statement
National Weather Service Brownsville TX
415 AM CDT Thu May 21 2026
TXC215-210924-
/O.EXP.KBRO.SV.W.0021.000000T0000Z-260521T0915Z/
Hidalgo TX-
415 AM CDT Thu May 21 2026
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL HIDALGO COUNTY WILL
EXPIRE AT 415 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
&&
LAT...LON 2636 9846 2656 9843 2658 9842 2664 9799
2662 9799 2661 9798 2654 9798 2645 9800
2644 9797 2632 9797
TIME...MOT...LOC 0914Z 265DEG 47KT 2651 9802
$$
CaceresThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 8:20 PM CDT | Special Weather Statement | BRO | Starr | 40 min |
| May 20, 9:02 PM CDT | Areal Flood Advisory | BRO | Starr | 69 min |
| May 20, 10:19 PM CDT | Special Weather Statement | BRO | Jim Hogg | 41 min |
| May 20, 11:02 PM CDT | Special Weather Statement | BRO | Jim Hogg | 43 min |
| May 21, 2:08 AM CDT | Special Weather Statement | BRO | Starr | 37 min |
| May 21, 2:15 AM CDT | Areal Flood Advisory | BRO | Zapata | 60 min |
| May 21, 2:20 AM CDT | Special Weather Statement | BRO | Zapata | 25 min |
| May 21, 2:43 AM CDT | Areal Flood Advisory | BRO | Starr, Zapata | 2 hr |
| May 21, 2:48 AM CDT | Special Weather Statement | BRO | Starr | 42 min |
| May 21, 2:52 AM CDT | Special Weather Statement | BRO | Jim Hogg | 38 min |
| May 21, 3:06 AM CDT | Special Weather Statement | BRO | Starr | 39 min |
| May 21, 3:19 AM CDT | Areal Flood Advisory | BRO | Jim Hogg, Zapata | 116 min |
| May 21, 3:36 AM CDT | Areal Flood Advisory | BRO | Hidalgo, Jim Hogg, Starr | 114 min |
| May 21, 3:42 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo, Starr | 48 min |
| May 21, 3:55 AM CDT | Areal Flood Advisory | BRO | Brooks, Hidalgo, Jim Hogg, Starr | 2 hr |
| May 21, 4:21 AM CDT | Special Weather Statement | BRO | Cameron, Hidalgo, Kenedy, Willacy | 54 min |
| May 21, 4:24 AM CDT | Special Weather Statement | BRO | Brooks, Kenedy | 51 min |
| May 21, 5:05 AM CDT | Special Marine Warning | BRO | 115 min | |
| May 21, 5:14 AM CDT | Special Weather Statement | BRO | Cameron, Kenedy, Willacy | 46 min |
| May 21, 6:54 AM CDT | Special Weather Statement | BRO | Starr | 51 min |
| May 21, 6:58 AM CDT | Special Marine Warning | BRO | 62 min | |
| May 21, 8:09 AM CDT | Flood Watch | BRO | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 62 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2026Every severe thunderstorm warning in 2026
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.