Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 17, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 16, 2021, 12:42 PM CDT for Cameron County, Texas. It was in force for 33 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 16, 2021, 12:42 PM CDT (17:42 UTC)
- Expired
- May 16, 2021, 1:15 PM CDT
- In force
- 33 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
County Cameron County, TX
The radar
The Brownsville radar (KBRO), 41 km from the middle of the area, began a volume at 17:41 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 12:00Z, 5.7 hours before the alert went out and 42 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
- 3061 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 5.4
The text
As transmitted.
878
WUUS54 KBRO 161742
SVRBRO
TXC061-161815-
/O.NEW.KBRO.SV.W.0017.210516T1742Z-210516T1815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Brownsville TX
1242 PM CDT Sun May 16 2021
The National Weather Service in Brownsville has issued a
* Severe Thunderstorm Warning for...
Northeastern Cameron County in Deep South Texas...
* Until 115 PM CDT.
* At 1241 PM CDT, a severe thunderstorm was located 7 miles north of
Holly Beach, or 8 miles southeast of Arroyo City, moving northeast
at 10 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
northeastern Cameron County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
&&
LAT...LON 2626 9719 2628 9719 2627 9732 2625 9733
2625 9726 2624 9733 2622 9734 2621 9731
2619 9738 2628 9742 2631 9731 2629 9735
2627 9734 2628 9731 2631 9730 2636 9721
2625 9718
TIME...MOT...LOC 1741Z 246DEG 8KT 2625 9734
HAIL...1.50IN
WIND...60MPH
$$
592 follow-up statements
686
WWUS54 KBRO 161747
SVSBRO
Severe Weather Statement
National Weather Service Brownsville TX
1247 PM CDT Sun May 16 2021
TXC061-161815-
/O.CON.KBRO.SV.W.0017.000000T0000Z-210516T1815Z/
Cameron TX-
1247 PM CDT Sun May 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM CDT
FOR NORTHEASTERN CAMERON COUNTY...
At 1247 PM CDT, a severe thunderstorm was located 8 miles north of
Holly Beach, or 8 miles southeast of Arroyo City, moving northeast at
10 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
northeastern Cameron County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
&&
LAT...LON 2626 9719 2628 9719 2627 9732 2625 9733
2625 9726 2624 9733 2622 9734 2621 9731
2619 9738 2628 9742 2631 9731 2629 9735
2627 9734 2628 9731 2631 9730 2636 9721
2625 9718
TIME...MOT...LOC 1747Z 246DEG 8KT 2626 9733
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
$$
59566
WWUS54 KBRO 161814
SVSBRO
Severe Weather Statement
National Weather Service Brownsville TX
114 PM CDT Sun May 16 2021
TXC061-161823-
/O.EXP.KBRO.SV.W.0017.000000T0000Z-210516T1815Z/
Cameron TX-
114 PM CDT Sun May 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CAMERON COUNTY
WILL EXPIRE AT 115 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Brownsville.
LAT...LON 2626 9719 2628 9719 2627 9732 2625 9733
2625 9726 2624 9733 2622 9734 2621 9731
2619 9738 2628 9742 2631 9731 2629 9735
2627 9734 2628 9731 2631 9730 2636 9721
2625 9718
TIME...MOT...LOC 1813Z 246DEG 8KT 2628 9727
$$
59The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 4:37 AM CDT | Special Weather Statement | BRO | Brooks | 23 min |
| May 16, 8:04 AM CDT | Special Weather Statement | BRO | Kleberg | 26 min |
| May 16, 9:25 AM CDT | Special Marine Warning | BRO | 35 min | |
| May 16, 9:38 AM CDT | Special Weather Statement | BRO | Willacy | 37 min |
| May 16, 10:02 AM CDT | Special Marine Warning | BRO | 58 min | |
| May 16, 10:36 AM CDT | Special Marine Warning | BRO | 24 min | |
| May 16, 11:01 AM CDT | Special Marine Warning | BRO | 59 min | |
| May 16, 11:06 AM CDT | Special Weather Statement | BRO | Willacy | 39 min |
| May 16, 11:12 AM CDT | Areal Flood Advisory | BRO | Willacy | 63 min |
| May 16, 12:07 PM CDT | Special Marine Warning | BRO | 53 min | |
| May 16, 12:26 PM CDT | Areal Flood Advisory | BRO | Cameron, Willacy | 109 min |
| May 16, 12:29 PM CDT | Special Weather Statement | BRO | Cameron | 31 min |
| May 16, 12:44 PM CDT | Special Marine Warning | BRO | 31 min | |
| May 16, 1:25 PM CDT | Special Marine Warning | BRO | 24 min |
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.