Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 19, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 18, 2021, 12:58 AM CDT for Brooks County, Jim Hogg County, Texas. It was in force for 32 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 18, 2021, 12:58 AM CDT (05:58 UTC)
- Expired
- May 18, 2021, 1:30 AM CDT
- In force
- 32 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 70.0 mph
Counties Brooks County, TX, Jim Hogg County, TX
The radar
The Corpus Christi radar (KCRP), 108 km from the middle of the area, began a volume at 06:01 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
Corpus Christi, TX (KCRP), launched 00:00Z, 6.0 hours before the alert went out and 117 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
- 2541 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 672 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.9
The text
As transmitted.
255
WUUS54 KBRO 180558
SVRBRO
TXC047-247-180630-
/O.NEW.KBRO.SV.W.0019.210518T0558Z-210518T0630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Brownsville TX
1258 AM CDT Tue May 18 2021
The National Weather Service in Brownsville has issued a
* Severe Thunderstorm Warning for...
Eastern Jim Hogg County in Deep South Texas...
Brooks County in Deep South Texas...
* Until 130 AM CDT.
* At 1258 AM CDT, a severe thunderstorm was located 11 miles south of
Ramirez, or 13 miles west of Falfurrias, moving east at 35 mph.
HAZARD...70 mph wind gusts and ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Falfurrias, Encino, Rachal, Agua Nueva, La Colonia Park, Airport
Road Addition, Falfurrias Junior High School, Pleasant Park,
Falfurrias Fire Station and Cantu Addition.
This includes US Highway 281 between mile markers 708 and 734.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and 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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2726 9799 2706 9799 2688 9813 2684 9851
2700 9874 2727 9852
TIME...MOT...LOC 0558Z 264DEG 30KT 2718 9836
HAIL...1.50IN
WIND...70MPH
$$
Hallman2 follow-up statements
220
WWUS54 KBRO 180606
SVSBRO
Severe Weather Statement
National Weather Service Brownsville TX
106 AM CDT Tue May 18 2021
TXC047-247-180630-
/O.CON.KBRO.SV.W.0019.000000T0000Z-210518T0630Z/
Jim Hogg TX-Brooks TX-
106 AM CDT Tue May 18 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR SOUTHEASTERN JIM HOGG AND BROOKS COUNTIES...
At 106 AM CDT, a severe thunderstorm was located 8 miles west of
Falfurrias Junior High School, or 8 miles west of Falfurrias, moving
east at 35 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Falfurrias, Encino, Rachal, La Colonia Park, Airport Road Addition,
Falfurrias Junior High School, Pleasant Park, Falfurrias Fire
Station, Cantu Addition and Puesta Del Sol Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2726 9799 2706 9799 2688 9813 2684 9851
2705 9863 2727 9845
TIME...MOT...LOC 0606Z 264DEG 30KT 2719 9828
HAIL...1.00IN
WIND...70MPH
$$
Hallman199
WWUS54 KBRO 180619
SVSBRO
Severe Weather Statement
National Weather Service Brownsville TX
119 AM CDT Tue May 18 2021
TXC047-247-180630-
/O.CON.KBRO.SV.W.0019.000000T0000Z-210518T0630Z/
Jim Hogg TX-Brooks TX-
119 AM CDT Tue May 18 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR EAST CENTRAL JIM HOGG AND BROOKS COUNTIES...
At 119 AM CDT, a severe thunderstorm was located over Falfurrias
Junior High School, or over Falfurrias, moving east at 35 mph.
HAZARD...70 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Falfurrias, Encino, Rachal, La Colonia Park, Airport Road Addition,
Falfurrias Junior High School, Pleasant Park, Falfurrias Fire
Station, Cantu Addition and Flowella.
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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2726 9799 2706 9799 2688 9813 2685 9845
2710 9854 2727 9841
TIME...MOT...LOC 0619Z 264DEG 30KT 2720 9815
HAIL...0.88IN
WIND...70MPH
$$
HallmanThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 10:58 PM CDT | Special Weather Statement | BRO | Zapata | 32 min |
| May 17, 11:20 PM CDT | Special Weather Statement | BRO | Zapata | 25 min |
| May 17, 11:42 PM CDT | Special Weather Statement | BRO | Zapata | 33 min |
| May 17, 11:44 PM CDT | Areal Flood Advisory | BRO | Jim Hogg, Zapata | 112 min |
| May 18, 12:13 AM CDT | Special Weather Statement | BRO | Jim Hogg | 32 min |
| May 18, 12:18 AM CDT | Areal Flood Advisory | BRO | Jim Hogg | 3 hr |
| May 18, 12:26 AM CDT | Severe Thunderstorm Warning | BRO | Brooks, Jim Hogg | 34 min |
| May 18, 12:43 AM CDT | Areal Flood Advisory | BRO | Jim Hogg | 3 hr |
| May 18, 1:08 AM CDT | Areal Flood Advisory | BRO | Brooks, Jim Hogg | 3 hr |
| May 18, 1:29 AM CDT | Severe Thunderstorm Warning | BRO | Brooks, Kenedy | 31 min |
| May 18, 1:41 AM CDT | Areal Flood Advisory | BRO | Brooks | 3 hr |
| May 18, 2:00 AM CDT | Special Weather Statement | BRO | Brooks | 30 min |
| May 18, 2:02 AM CDT | Areal Flood Advisory | BRO | Brooks, Kenedy | 3 hr |
| May 18, 3:10 AM CDT | Special Marine Warning | BRO | 2 hr | |
| May 18, 5:15 AM CDT | Flash Flood Watch | BRO | Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more | 38 hr |
| May 18, 3:54 PM CDT | Small Craft Advisory | BRO | 26 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.