Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 20, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 18, 2021, 1:29 AM CDT for Brooks County, Kenedy County, Texas. It was in force for 31 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, 1:29 AM CDT (06:29 UTC)
- Expired
- May 18, 2021, 2:00 AM CDT
- In force
- 31 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 70.0 mph
Counties Brooks County, TX, Kenedy County, TX
The radar
The Corpus Christi radar (KCRP), 79 km from the middle of the area, began a volume at 06:31 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, 6.5 hours before the alert went out and 85 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.
759
WUUS54 KBRO 180629
SVRBRO
TXC047-261-180700-
/O.NEW.KBRO.SV.W.0020.210518T0629Z-210518T0700Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Brownsville TX
129 AM CDT Tue May 18 2021
The National Weather Service in Brownsville has issued a
* Severe Thunderstorm Warning for...
Northwestern Kenedy County in Deep South Texas...
Brooks County in Deep South Texas...
* Until 200 AM CDT.
* At 128 AM CDT, severe thunderstorms were located along a line
extending from near Airport Road Addition to 8 miles northwest of
Encino, moving east at 45 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, Armstrong, Encino, Rachal, Sarita, La Colonia Park,
Airport Road Addition, U S 77 Border Patrol Station, Falfurrias
Junior High School and Pleasant Park.
This includes the following highways...
US Highway 77 between mile markers 710 and 734.
US Highway 281 between mile markers 710 and 732.
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 these storms. 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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2726 9773 2728 9765 2724 9763 2724 9756
2692 9771 2687 9841 2705 9842 2705 9846
2712 9847 2726 9826 2726 9799 2721 9798
2724 9792 2725 9782 2727 9782 2728 9779
2728 9776
TIME...MOT...LOC 0628Z 253DEG 39KT 2724 9805 2698 9825
HAIL...0.88IN
WIND...70MPH
$$
Hallman2 follow-up statements
285
WWUS54 KBRO 180633
SVSBRO
Severe Weather Statement
National Weather Service Brownsville TX
133 AM CDT Tue May 18 2021
TXC047-261-180700-
/O.CON.KBRO.SV.W.0020.000000T0000Z-210518T0700Z/
Kenedy TX-Brooks TX-
133 AM CDT Tue May 18 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR NORTHWESTERN KENEDY AND BROOKS COUNTIES...
At 133 AM CDT, severe thunderstorms were located along a line
extending from 6 miles east of Airport Road Addition to near Encino,
moving east at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Falfurrias, Armstrong, Encino, Rachal, Sarita, La Colonia Park,
Airport Road Addition, U S 77 Border Patrol Station, Falfurrias
Junior High School and Pleasant Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2726 9773 2728 9765 2724 9763 2724 9756
2692 9771 2687 9841 2705 9842 2705 9846
2712 9847 2726 9826 2726 9799 2721 9798
2724 9792 2725 9782 2727 9782 2728 9779
2728 9776
TIME...MOT...LOC 0633Z 253DEG 39KT 2725 9800 2699 9820
HAIL...0.75IN
WIND...60MPH
$$
Hallman795
WWUS54 KBRO 180649
SVSBRO
Severe Weather Statement
National Weather Service Brownsville TX
149 AM CDT Tue May 18 2021
TXC047-261-180700-
/O.CON.KBRO.SV.W.0020.000000T0000Z-210518T0700Z/
Kenedy TX-Brooks TX-
149 AM CDT Tue May 18 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR NORTHWESTERN KENEDY AND NORTHEASTERN BROOKS COUNTIES...
At 149 AM CDT, severe thunderstorms were located along a line
extending from Riviera to 9 miles northeast of Encino, moving east at
45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Falfurrias, Sarita, La Colonia Park, Airport Road Addition, U S 77
Border Patrol Station, Falfurrias Junior High School, Pleasant Park,
Kenedy County Sheriffs Office, Falfurrias Fire Station and Cantu
Addition.
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 these storms.
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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2726 9773 2728 9765 2724 9763 2724 9756
2698 9776 2695 9797 2694 9830 2712 9839
2726 9826 2726 9799 2721 9798 2724 9792
2725 9782 2727 9782 2728 9779 2728 9776
TIME...MOT...LOC 0649Z 253DEG 39KT 2730 9783 2704 9803
HAIL...0.75IN
WIND...60MPH
$$
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, 12:58 AM CDT | Severe Thunderstorm Warning | BRO | Brooks, Jim Hogg | 32 min |
| May 18, 1:08 AM CDT | Areal Flood Advisory | BRO | Brooks, Jim Hogg | 3 hr |
| 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.