Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 3, NWS Brownsville, TX

May 15, 2021Hidalgo County, Willacy County, Texas

NWS Brownsville, TX issued this tornado warning at May 15, 2021, 1:30 PM CDT for Hidalgo County, Willacy County, Texas. It was in force for 15 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, 1:30 PM CDT (18:30 UTC)
Expired: May 15, 2021, 1:45 PM CDT
In force: 15 min
Issued by: NWS Brownsville, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Hidalgo County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 78 km from the middle of the area, began a volume at 18:31 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

Brownsville Intl, TX (KBRO), launched 12:00Z, 6.5 hours before the alert went out and 81 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted.

973 
WFUS54 KBRO 151830
TORBRO
TXC215-489-151845-
/O.NEW.KBRO.TO.W.0003.210515T1830Z-210515T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Brownsville TX
130 PM CDT Sat May 15 2021

The National Weather Service in Brownsville has issued a

* Tornado Warning for...
  East central Hidalgo County in Deep South Texas...
  Northwestern Willacy County in Deep South Texas...

* Until 145 PM CDT.
    
* At 130 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Lasara Elementary School, or over Lasara, moving
  northeast at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Lyford, Lyford High School, Lyford Elementary School and Lyford 
  City Hall around 135 PM CDT.
  Raymondville, Reber Memorial Library, Raymondville Fire Station, 
  Raymondville Police Department, Raymondville High School and 
  Raymondville Golf Course around 140 PM CDT.
  Yturria around 145 PM CDT.

Other locations impacted by this tornadic thunderstorm include Los
Angeles Subdivision, Hargill Reservoir, Ranchette Estates and
Stockholm.

This includes the following highways...
 Interstate Highway 69 E between mile markers 43 and 51.
 US Highway 77 between mile markers 760 and 762.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Brownsville.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2645 9805 2660 9782 2660 9778 2645 9768
      2633 9794
TIME...MOT...LOC 1830Z 230DEG 36KT 2643 9790 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CASTILLO

1 follow-up statement

413 
WWUS54 KBRO 151846
SVSBRO

Severe Weather Statement
National Weather Service Brownsville TX
146 PM CDT Sat May 15 2021

TXC215-489-151855-
/O.EXP.KBRO.TO.W.0003.000000T0000Z-210515T1845Z/
Hidalgo TX-Willacy TX-
146 PM CDT Sat May 15 2021

...THE TORNADO WARNING FOR EAST CENTRAL HIDALGO AND NORTHWESTERN
WILLACY COUNTIES WILL EXPIRE AT 145 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Brownsville.

Remember, a Severe Thunderstorm Warning still remains in effect for 
southeast Hidalgo County...northwest Cameron County and Willact 
County.

LAT...LON 2645 9805 2660 9782 2660 9778 2645 9768
      2633 9794
TIME...MOT...LOC 1844Z 230DEG 36KT 2650 9780 

$$

CASTILLO

The 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, 1:26 PM CDT	Severe Thunderstorm Warning	BRO	Cameron, Hidalgo, Willacy	28 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

Tornado Warnings in Texas, 2021 Every tornado warning in 2021 Tornadoes 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.