Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 25, NWS Brownsville, TX

May 19, 20214 counties in Texas

NWS Brownsville, TX issued this severe thunderstorm warning at May 19, 2021, 7:47 AM CDT for 4 counties in Texas. It was in force for 43 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 19, 2021, 7:47 AM CDT (12:47 UTC)
Expired
May 19, 2021, 8:30 AM CDT
In force
43 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Brooks County, TX, Hidalgo County, TX, Jim Hogg County, TX, Starr County, TX

The radar

The Brownsville radar (KBRO), 117 km from the middle of the area, began a volume at 12:47 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 19, 5:24 AM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 0.8 hours before the alert went out and 119 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 2021-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3667 joules per kilogram.LCLEL10008507005003002001001 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 2021-05-19The 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
3667 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
504 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.3

Open this sounding in Storm Lab

The text

As transmitted.

658 
WUUS54 KBRO 191247
SVRBRO
TXC047-215-247-427-191330-
/O.NEW.KBRO.SV.W.0025.210519T1247Z-210519T1330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Brownsville TX
747 AM CDT Wed May 19 2021

The National Weather Service in Brownsville has issued a

* Severe Thunderstorm Warning for...
  Southern Jim Hogg County in Deep South Texas...
  Western Hidalgo County in Deep South Texas...
  Starr County in Deep South Texas...
  Southwestern Brooks County in Deep South Texas...

* Until 830 AM CDT.

* At 747 AM CDT, severe thunderstorms were located along a line
  extending from 12 miles southeast of South Fork Estates to near Los
  Ebanos, moving southeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Mission, Pharr, Rio Grande City, Hidalgo, Palmview, Penitas,
  Sullivan City, La Joya, Palmhurst and Garciasville.

This includes the following highways...
 US Highway 83 between mile markers 818 and 850.
 Interstate Highway 69 C between mile markers 1 and 3.
 US Highway 281 between mile markers 784 and 792.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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

&&

LAT...LON 2610 9829 2612 9827 2611 9830 2610 9830
      2617 9834 2616 9839 2623 9845 2620 9848
      2626 9859 2624 9867 2627 9872 2629 9871
      2630 9875 2633 9875 2637 9880 2637 9886
      2711 9888 2711 9819 2605 9816
TIME...MOT...LOC 1247Z 293DEG 32KT 2713 9860 2620 9856 

HAIL...<.75IN
WIND...60MPH
 
$$

TOMASELLI

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 3:30 AM CDTRip Current StatementBROKenedy16 hr
May 19, 4:58 AM CDTSpecial Weather StatementBROJim Hogg32 min
May 19, 5:50 AM CDTSpecial Weather StatementBROJim Hogg40 min
May 19, 5:56 AM CDTSpecial Weather StatementBROZapata34 min
May 19, 6:03 AM CDTSpecial Weather StatementBROStarr42 min
May 19, 6:27 AM CDTSevere Thunderstorm WarningBROJim Hogg, Zapata33 min
May 19, 6:32 AM CDTAreal Flood AdvisoryBROJim Hogg, Starr, Zapata7 hr
May 19, 6:51 AM CDTSevere Thunderstorm WarningBROStarr39 min
May 19, 7:11 AM CDTFlash Flood WarningBROStarr, Zapata2 hr
May 19, 7:11 AM CDTSevere Thunderstorm WarningBROHidalgo, Starr64 min
May 19, 7:12 AM CDTFlash Flood WarningBROJim Hogg, Zapata3 hr
May 19, 7:17 AM CDTFlash Flood WarningBROJim Hogg3 hr
May 19, 7:25 AM CDTAreal Flood AdvisoryBROStarr6 hr
May 19, 7:27 AM CDTAreal Flood AdvisoryBROJim Hogg, Zapata4 hr
May 19, 7:27 AM CDTSevere Thunderstorm WarningBROStarr, Zapata63 min
May 19, 7:34 AM CDTSpecial Weather StatementBROJim Hogg56 min
May 19, 7:42 AM CDTAreal Flood AdvisoryBROKenedy6 hr
May 19, 7:51 AM CDTTornado WarningBROBrooks, Hidalgo, Starr24 min
May 19, 8:12 AM CDTTornado WarningBROHidalgo18 min
May 19, 8:15 AM CDTAreal Flood AdvisoryBROHidalgo5 hr
May 19, 8:17 AM CDTAreal Flood AdvisoryBROStarr5 hr
May 19, 8:21 AM CDTSevere Thunderstorm WarningBROBrooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 1 more39 min
May 19, 8:23 AM CDTSpecial Marine WarningBRO26 min
May 19, 8:26 AM CDTFlash Flood WarningBROJim Hogg113 min
May 19, 8:29 AM CDTAreal Flood AdvisoryBROBrooks, Jim Hogg5 hr
May 19, 8:34 AM CDTAreal Flood AdvisoryBROHidalgo7 hr
May 19, 8:42 AM CDTAreal Flood AdvisoryBROBrooks, Kenedy5 hr
May 19, 8:47 AM CDTTornado WarningBROBrooks13 min
May 19, 8:58 AM CDTSevere Thunderstorm WarningBROBrooks, Cameron, Hidalgo, Kenedy, Willacy47 min
May 19, 9:04 AM CDTAreal Flood AdvisoryBROCameron, Hidalgo, Kenedy, Willacy7 hr
May 19, 9:05 AM CDTTornado WarningBROKenedy, Willacy10 min
May 19, 9:11 AM CDTTornado WarningBROKenedy, Willacy19 min
May 19, 9:14 AM CDTSpecial Marine WarningBRO61 min
May 19, 9:21 AM CDTAreal Flood AdvisoryBROKenedy5 hr
May 19, 9:27 AM CDTSpecial Marine WarningBRO63 min
May 19, 9:28 AM CDTTornado WarningBROKenedy17 min
May 19, 9:43 AM CDTSpecial Weather StatementBROCameron, Kenedy, Willacy47 min
May 19, 9:44 AM CDTTornado WarningBROWillacy16 min
May 19, 9:48 AM CDTFlash Flood WarningBROHidalgo4 hr
May 19, 9:48 AM CDTSpecial Marine WarningBRO57 min
May 19, 9:50 AM CDTFlash Flood WarningBROHidalgo4 hr
May 19, 10:10 AM CDTSpecial Marine WarningBRO65 min
May 19, 10:10 AM CDTSpecial Weather StatementBROHidalgo50 min
May 19, 10:11 AM CDTAreal Flood AdvisoryBROCameron, Willacy7 hr
May 19, 10:15 AM CDTFlash Flood WarningBROHidalgo, Willacy4 hr
May 19, 10:18 AM CDTFlash Flood WarningBROHidalgo5 hr
May 19, 10:21 AM CDTFlash Flood WarningBROWillacy5 hr
May 19, 10:24 AM CDTFlash Flood WarningBROCameron, Hidalgo, Willacy5 hr
May 19, 10:27 AM CDTFlash Flood WarningBROCameron4 hr
May 19, 10:28 AM CDTSpecial Weather StatementBROCameron, Willacy47 min
May 19, 10:29 AM CDTFlash Flood WarningBROCameron, Hidalgo4 hr
May 19, 10:29 AM CDTSpecial Marine WarningBRO46 min
May 19, 10:42 AM CDTSpecial Marine WarningBRO48 min
May 19, 10:51 AM CDTSpecial Marine WarningBRO39 min
May 19, 11:00 AM CDTFlash Flood WarningBROCameron, Willacy5 hr
May 19, 11:06 AM CDTSpecial Marine WarningBRO24 min
May 19, 11:12 AM CDTSpecial Marine WarningBRO18 min
May 19, 11:21 AM CDTSpecial Weather StatementBROCameron24 min
May 19, 11:25 AM CDTSpecial Marine WarningBRO50 min
May 19, 11:30 AM CDTFlash Flood WarningBROCameron5 hr
May 19, 11:34 AM CDTAreal Flood AdvisoryBROCameron3 hr
May 19, 12:10 PM CDTSpecial Marine WarningBRO50 min
May 19, 12:15 PM CDTFlash Flood WarningBROCameron4 hr
May 19, 2:38 PM CDTCoastal Flood AdvisoryBROKenedy6 hr
May 19, 2:41 PM CDTFlash Flood WarningBROCameron112 min
May 19, 2:59 PM CDTAreal Flood WarningBROCameron6 hr
May 19, 3:08 PM CDTAreal Flood WarningBROHidalgo19 hr
May 19, 4:36 PM CDTWind AdvisoryBROCameron102 min
May 19, 6:20 PM CDTSmall Craft AdvisoryBRO15 hr

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.