Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 16, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 15, 2021, 1:26 PM CDT for Cameron County, Hidalgo County, Willacy County, Texas. It was in force for 28 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 15, 2021, 1:26 PM CDT (18:26 UTC)
- Expired
- May 15, 2021, 1:54 PM CDT
- In force
- 28 min
- Issued by
- NWS Brownsville, TX
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cameron County, TX, Hidalgo County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 53 km from the middle of the area, began a volume at 18:26 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, 6.4 hours before the alert went out and 55 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
- 1407 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.0
The text
As transmitted.
261
WUUS54 KBRO 151826
SVRBRO
TXC061-215-489-151915-
/O.NEW.KBRO.SV.W.0016.210515T1826Z-210515T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Brownsville TX
126 PM CDT Sat May 15 2021
The National Weather Service in Brownsville has issued a
* Severe Thunderstorm Warning for...
Southeastern Hidalgo County in Deep South Texas...
Northwestern Cameron County in Deep South Texas...
Willacy County in Deep South Texas...
* Until 215 PM CDT.
* At 126 PM CDT, severe thunderstorms were located along a line
extending from Monte Alto to La Villa to Olivarez to A.p. Solis
Middle School, 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...
Harlingen, Weslaco, Donna, Mercedes, Raymondville, La Feria,
Progreso, Edcouch, Santa Rosa and Lyford.
This includes the following highways...
Interstate Highway 69 E between mile markers 21 and 51.
US Highway 77 near mile marker 762.
US Highway 281 between mile markers 792 and 820.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2607 9786 2605 9796 2608 9820 2630 9799
2644 9812 2660 9766 2658 9744 2654 9742
2648 9745 2648 9743 2645 9746 2647 9740
2642 9745 2640 9742 2639 9741 2640 9740
2641 9738 2603 9775
TIME...MOT...LOC 1826Z 249DEG 40KT 2637 9797 2633 9792 2623 9801 2616
9808
HAIL...0.75IN
WIND...60MPH
$$
Farris1 follow-up statement
800
WWUS54 KBRO 151854
SVSBRO
Severe Weather Statement
National Weather Service Brownsville TX
154 PM CDT Sat May 15 2021
TXC061-215-489-151904-
/O.CAN.KBRO.SV.W.0016.000000T0000Z-210515T1915Z/
Hidalgo TX-Cameron TX-Willacy TX-
154 PM CDT Sat May 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HIDALGO...
NORTHWESTERN CAMERON AND WILLACY COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds and
heavy rain are still possible with these thunderstorms.
LAT...LON 2607 9786 2605 9796 2608 9820 2630 9799
2644 9812 2660 9766 2658 9744 2654 9742
2648 9745 2648 9743 2645 9746 2647 9740
2642 9745 2640 9742 2639 9741 2640 9740
2641 9738 2603 9775
TIME...MOT...LOC 1850Z 249DEG 40KT 2647 9768 2643 9763 2633 9772 2626
9780
$$
FarrisThe office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 10:56 AM CDT | Special Weather Statement | BRO | Hidalgo | 49 min |
| May 15, 11:25 AM CDT | Special Weather Statement | BRO | Hidalgo | 50 min |
| May 15, 11:39 AM CDT | Areal Flood Advisory | BRO | Hidalgo | 51 min |
| May 15, 12:14 PM CDT | Special Weather Statement | BRO | Hidalgo, Starr | 46 min |
| May 15, 12:22 PM CDT | Tornado Warning | BRO | Hidalgo | 8 min |
| May 15, 12:23 PM CDT | Areal Flood Advisory | BRO | Hidalgo | 112 min |
| May 15, 12:28 PM CDT | Tornado Warning | BRO | Hidalgo | 17 min |
| May 15, 12:41 PM CDT | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo | 49 min |
| May 15, 12:48 PM CDT | Areal Flood Advisory | BRO | Hidalgo, Starr | 75 min |
| May 15, 1:02 PM CDT | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo, Willacy | 28 min |
| May 15, 1:12 PM CDT | Flash Flood Warning | BRO | Hidalgo | 49 min |
| May 15, 1:30 PM CDT | Tornado Warning | BRO | Hidalgo, Willacy | 15 min |
| May 15, 1:53 PM CDT | Areal Flood Advisory | BRO | Cameron, Hidalgo, Willacy | 52 min |
| May 15, 2:01 PM CDT | Special Weather Statement | BRO | Cameron, Willacy | 29 min |
| May 15, 2:23 PM CDT | Special Marine Warning | BRO | 97 min | |
| May 15, 2:29 PM CDT | Special Weather Statement | BRO | Cameron | 46 min |
| May 15, 2:37 PM CDT | Areal Flood Advisory | BRO | Cameron, Hidalgo, Willacy | 53 min |
| May 15, 3:15 PM CDT | Special Weather Statement | BRO | Cameron | 30 min |
| May 15, 3:22 PM CDT | Special Weather Statement | BRO | Cameron | 38 min |
| May 15, 3:25 PM CDT | Areal Flood Advisory | BRO | Cameron, Willacy | 65 min |
| May 15, 5:20 PM CDT | Special Marine Warning | BRO | 25 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.