Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 14, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 15, 2021, 12:41 PM CDT for Cameron County, Hidalgo 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 15, 2021, 12:41 PM CDT (17:41 UTC)
- Expired
- May 15, 2021, 1:30 PM CDT
- In force
- 49 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
The radar
The Brownsville radar (KBRO), 79 km from the middle of the area, began a volume at 17:43 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 82 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.
314
WUUS54 KBRO 151741
SVRBRO
TXC061-215-151830-
/O.NEW.KBRO.SV.W.0014.210515T1741Z-210515T1830Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Brownsville TX
1241 PM CDT Sat May 15 2021
The National Weather Service in Brownsville has issued a
* Severe Thunderstorm Warning for...
Southern Hidalgo County in Deep South Texas...
West central Cameron County in Deep South Texas...
* Until 130 PM CDT.
* At 1240 PM CDT, a severe thunderstorm was located near Guillermo
Flores Elementary School, or near Penitas, moving east at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Mission, Pharr, Harlingen, Weslaco, San Juan, Alamo, Donna,
Mercedes, La Feria and Progreso.
This includes the following highways...
US Highway 83 between mile markers 846 and 850.
Interstate Highway 69 C between mile markers 1 and 3.
US Highway 281 between mile markers 784 and 814.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2605 9807 2607 9813 2605 9815 2607 9818
2606 9820 2612 9827 2612 9830 2610 9830
2617 9834 2616 9839 2622 9844 2621 9850
2627 9849 2625 9780 2605 9783 2607 9786
2607 9803 2604 9807
TIME...MOT...LOC 1740Z 275DEG 36KT 2618 9842
HAIL...0.75IN
WIND...60MPH
$$
Farris1 follow-up statement
305
WWUS54 KBRO 151810
SVSBRO
Severe Weather Statement
National Weather Service Brownsville TX
110 PM CDT Sat May 15 2021
TXC061-215-151830-
/O.CON.KBRO.SV.W.0014.000000T0000Z-210515T1830Z/
Hidalgo TX-Cameron TX-
110 PM CDT Sat May 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM CDT
FOR SOUTHERN HIDALGO AND WEST CENTRAL CAMERON COUNTIES...
At 109 PM CDT, a severe thunderstorm was located over South Alamo, or
over Donna, moving east at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Mission, Pharr, Harlingen, Weslaco, San Juan, Alamo, Donna, Mercedes,
La Feria and Progreso.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Intense thunderstorm lines can produce brief tornadoes and
widespread significant wind damage. Although a tornado is not
immediately likely, it is best to move to an interior room on the
lowest floor of a building. This storm may cause serious injury and
significant property damage.
&&
LAT...LON 2605 9807 2607 9813 2605 9815 2607 9818
2606 9820 2612 9827 2612 9830 2610 9830
2617 9834 2616 9839 2622 9844 2621 9850
2627 9849 2625 9780 2605 9783 2607 9786
2607 9803 2604 9807
TIME...MOT...LOC 1809Z 275DEG 36KT 2615 9809
TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
$$
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, 12:48 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, 1:26 PM CDT | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo, Willacy | 28 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.