Alert archive / Texas / Tornado Warnings in 2021

Tornado Warning 2, NWS Brownsville, TX

May 15, 2021Hidalgo County, Texas

NWS Brownsville, TX issued this tornado warning at May 15, 2021, 12:28 PM CDT for Hidalgo County, Texas. It was in force for 17 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, 12:28 PM CDT (17:28 UTC)
Expired
May 15, 2021, 12:45 PM CDT
In force
17 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Hidalgo County, TX

The radar

The Brownsville radar (KBRO), 96 km from the middle of the area, began a volume at 17:29 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, 5.5 hours before the alert went out and 99 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-pSkew-T log-p diagram, Brownsville Intl, TX at 12:00Z on 2021-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1407 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brownsville Intl, TX at 12:00Z on 2021-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

658 
WFUS54 KBRO 151728
TORBRO
TXC215-151745-
/O.NEW.KBRO.TO.W.0002.210515T1728Z-210515T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Brownsville TX
1228 PM CDT Sat May 15 2021

The National Weather Service in Brownsville has issued a

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

* Until 1245 PM CDT.
    
* At 1228 PM CDT, a severe thunderstorm capable of producing a
  tornado was located over Mission Regional Medical Center, or over
  Mission, moving north at 15 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...
  Mission, Palmview, Airport Park and Mcallen Miller International 
  Airport around 1235 PM CDT.
  Sharyland, Mission Fire Station Number 3, Sharyland High School, 
  Garcia Middle School, Mcallen Convention Center, Zavala Elementary 
  School, Mcallen Fire Department, Archer Park, Mcallen Police 
  Department and Mcallen Chamber Of Commerce around 1240 PM CDT.
  Palmhurst, North McAllen, Alton, Veterans Memorial High School, 
  Mcallen Recycling Center, Sharyland North Junior High School, 
  Sylvia Vela Park, West Sharyland, Donna Wernecke Elementary School 
  and Josefa Garcia Park around 1245 PM CDT.

Other locations impacted by this tornadic thunderstorm include Boeye
Reservoir, National Butterfly Center, West Park, Juan N. Seguin
Elementary School, Astroland Park, Michael E Fossum Middle School,
Palmview South, Barrientes Middle School, Enrique Camarena Elementary
School and Robin Park.

This includes Interstate Highway 69 C between mile markers 3 and 6.
 
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.

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

&&

LAT...LON 2614 9834 2614 9833 2615 9834 2617 9834
      2617 9835 2615 9835 2615 9836 2617 9836
      2617 9837 2616 9837 2616 9839 2639 9840
      2629 9812 2612 9831
TIME...MOT...LOC 1728Z 201DEG 12KT 2619 9833 

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

$$

Farris
2 follow-up statements
475 
WWUS54 KBRO 151739
SVSBRO

Severe Weather Statement
National Weather Service Brownsville TX
1239 PM CDT Sat May 15 2021

TXC215-151745-
/O.CON.KBRO.TO.W.0002.000000T0000Z-210515T1745Z/
Hidalgo TX-
1239 PM CDT Sat May 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR SOUTH
CENTRAL HIDALGO COUNTY...
    
At 1238 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Mission, moving north at 15 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...
  Rowe High School and Narciso G. Cavazos Elementary School around 
  1245 PM CDT.
  Palmhurst, Mcallen Recycling Center, West Sharyland, Mcauliffe 
  Elementary School, La Homa and Doctor Americo Paredes Elementary 
  School around 1250 PM CDT.
  Alton, Sylvia Vela Park, Sharyland North Junior High School, Donna 
  Wernecke Elementary School, Alton Memorial Junior High School and 
  Hendricks Elementary School around 1255 PM CDT.
  Josefa Garcia Park and Olivero Garza Sr Elementary School around 
  100 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Enrique Camarena Elementary School, National Butterfly Center,
Domingo Travino Middle School, Rio Grande Valley State Veterans
Cemetary, Astroland Park, Michael E Fossum Middle School, Palmview
South and Mcallen.

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.

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

&&

LAT...LON 2614 9834 2614 9833 2615 9834 2617 9834
      2617 9835 2615 9835 2615 9836 2617 9836
      2617 9837 2616 9837 2616 9839 2633 9837
      2627 9823 2612 9831
TIME...MOT...LOC 1738Z 201DEG 12KT 2622 9832 

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

$$

Farris
916 
WWUS54 KBRO 151744
SVSBRO

Severe Weather Statement
National Weather Service Brownsville TX
1244 PM CDT Sat May 15 2021

TXC215-151754-
/O.EXP.KBRO.TO.W.0002.000000T0000Z-210515T1745Z/
Hidalgo TX-
1244 PM CDT Sat May 15 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL HIDALGO COUNTY WILL EXPIRE
AT 1245 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 2614 9834 2614 9833 2615 9834 2617 9834
      2617 9835 2615 9835 2615 9836 2617 9836
      2617 9837 2616 9837 2616 9839 2633 9837
      2627 9823 2612 9831
TIME...MOT...LOC 1744Z 201DEG 12KT 2622 9832 

$$

Farris

The office that day

Everything else NWS Brownsville, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 10:56 AM CDTSpecial Weather StatementBROHidalgo49 min
May 15, 11:25 AM CDTSpecial Weather StatementBROHidalgo50 min
May 15, 11:39 AM CDTAreal Flood AdvisoryBROHidalgo51 min
May 15, 12:14 PM CDTSpecial Weather StatementBROHidalgo, Starr46 min
May 15, 12:22 PM CDTTornado WarningBROHidalgo8 min
May 15, 12:23 PM CDTAreal Flood AdvisoryBROHidalgo112 min
May 15, 12:41 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo49 min
May 15, 12:48 PM CDTAreal Flood AdvisoryBROHidalgo, Starr75 min
May 15, 1:02 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Willacy28 min
May 15, 1:12 PM CDTFlash Flood WarningBROHidalgo49 min
May 15, 1:26 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Willacy28 min
May 15, 1:30 PM CDTTornado WarningBROHidalgo, Willacy15 min
May 15, 1:53 PM CDTAreal Flood AdvisoryBROCameron, Hidalgo, Willacy52 min
May 15, 2:01 PM CDTSpecial Weather StatementBROCameron, Willacy29 min
May 15, 2:23 PM CDTSpecial Marine WarningBRO97 min
May 15, 2:29 PM CDTSpecial Weather StatementBROCameron46 min
May 15, 2:37 PM CDTAreal Flood AdvisoryBROCameron, Hidalgo, Willacy53 min
May 15, 3:15 PM CDTSpecial Weather StatementBROCameron30 min
May 15, 3:22 PM CDTSpecial Weather StatementBROCameron38 min
May 15, 3:25 PM CDTAreal Flood AdvisoryBROCameron, Willacy65 min
May 15, 5:20 PM CDTSpecial Marine WarningBRO25 min

Nearby

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