Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 21, NWS Brownsville, TX

April 28, 2023Starr County, Zapata County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Apr 28, 2023, 10:25 PM CDT for Starr County, Zapata County, Texas. It was in force for 50 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 28, 2023, 10:25 PM CDT (03:25 UTC)
Expired
Apr 28, 2023, 11:15 PM CDT
In force
50 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Starr County, TX, Zapata County, TX

The radar

The Brownsville radar (KBRO), 190 km from the middle of the area, began a volume at 03:24 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.

What was reported inside it

TimeReportWhereRemark
Apr 28, 10:54 PM CDTHAIL 1Falcon Heights, TXEMPLOYEE AT FALCON HEIGHTS MOTEL AND RV PARK REPORTED HAIL THE SIZE OF QUARTERS.
Apr 28, 10:54 PM CDTHAIL 1Falcon Heights, TXEMPLOYEE AT FALCON HEIGHTS MOTEL AND RV PARK REPORTED HAIL THE SIZE OF QUARTERS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 28, 5:51 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 00:00Z, 3.4 hours before the alert went out and 192 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 00:00Z on 2023-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3433 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 00:00Z on 2023-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
3433 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
1.1
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted.

929 
WUUS54 KBRO 290325
SVRBRO
TXC427-505-290415-
/O.NEW.KBRO.SV.W.0021.230429T0325Z-230429T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Brownsville TX
1025 PM CDT Fri Apr 28 2023

The National Weather Service in Brownsville has issued a

* Severe Thunderstorm Warning for...
  Northwestern Starr County in Deep South Texas...
  Southeastern Zapata County in Deep South Texas...

* Until 1115 PM CDT.

* At 1024 PM CDT, a severe thunderstorm was located over Lopeno,
  moving southeast at 20 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Lopeno, New Falcon, Falcon Dam, Morales-Sanchez, Salineno, Falcon
  Heights and Falcon State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2688 9910 2663 9875 2651 9911 2652 9913
      2653 9916 2654 9917 2657 9917 2662 9918
      2666 9920 2669 9921 2672 9921 2674 9923
TIME...MOT...LOC 0324Z 310DEG 17KT 2672 9915 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
2 follow-up statements
218 
WWUS54 KBRO 290345
SVSBRO

Severe Weather Statement
National Weather Service Brownsville TX
1045 PM CDT Fri Apr 28 2023

TXC427-505-290415-
/O.CON.KBRO.SV.W.0021.000000T0000Z-230429T0415Z/
Starr TX-Zapata TX-
1045 PM CDT Fri Apr 28 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR NORTHWESTERN STARR AND SOUTHEASTERN ZAPATA COUNTIES...

At 1044 PM CDT, a severe thunderstorm was located over New Falcon, or
near Lopeno, moving southeast at 20 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Lopeno, New Falcon, Falcon Dam, Morales-Sanchez, Salineno, Falcon
Heights and Falcon State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2688 9910 2663 9875 2651 9911 2652 9913
      2653 9916 2654 9917 2657 9917 2662 9918
      2666 9920 2669 9921 2672 9921 2674 9923
TIME...MOT...LOC 0344Z 310DEG 17KT 2666 9907 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
257 
WWUS54 KBRO 290352
SVSBRO

Severe Weather Statement
National Weather Service Brownsville TX
1052 PM CDT Fri Apr 28 2023

TXC427-505-290415-
/O.CON.KBRO.SV.W.0021.000000T0000Z-230429T0415Z/
Starr TX-Zapata TX-
1052 PM CDT Fri Apr 28 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR NORTHWESTERN STARR AND SOUTHEASTERN ZAPATA COUNTIES...

At 1052 PM CDT, a severe thunderstorm was located near New Falcon, or
7 miles southeast of Lopeno, moving southeast at 20 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Lopeno, New Falcon, Falcon Dam, Morales-Sanchez, Salineno, Falcon
Heights and Falcon State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2688 9910 2663 9875 2651 9911 2652 9913
      2653 9916 2654 9917 2657 9917 2662 9918
      2666 9920 2669 9921 2672 9921 2674 9923
TIME...MOT...LOC 0352Z 310DEG 17KT 2663 9903 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 9:15 PM CDTSpecial Weather StatementBROZapata45 min
Apr 28, 9:18 PM CDTSpecial Weather StatementBROJim Hogg42 min
Apr 28, 9:23 PM CDTSevere Thunderstorm WarningBROZapata23 min
Apr 28, 9:34 PM CDTSpecial Weather StatementBROZapata26 min
Apr 28, 9:45 PM CDTSevere Thunderstorm WarningBROZapata45 min
Apr 28, 10:01 PM CDTSpecial Marine WarningBRO59 min
Apr 28, 10:19 PM CDTAreal Flood AdvisoryBROZapata116 min
Apr 28, 10:33 PM CDTSpecial Weather StatementBROJim Hogg27 min
Apr 28, 10:38 PM CDTSpecial Weather StatementBROZapata22 min
Apr 28, 10:47 PM CDTSpecial Weather StatementBROBrooks43 min
Apr 28, 10:50 PM CDTAreal Flood AdvisoryBROZapata115 min
Apr 28, 10:53 PM CDTSpecial Marine WarningBRO67 min
Apr 28, 10:59 PM CDTSevere Thunderstorm Warning Considerable damage threatBROStarr46 min
Apr 28, 11:09 PM CDTSpecial Weather StatementBROKenedy36 min
Apr 28, 11:22 PM CDTSpecial Weather StatementBROStarr38 min
Apr 28, 11:28 PM CDTAreal Flood AdvisoryBROStarr2 hr
Apr 28, 11:29 PM CDTSevere Thunderstorm WarningBROKenedy31 min
Apr 28, 11:34 PM CDTSevere Thunderstorm Warning Considerable damage threatBROStarr41 min
Apr 28, 11:43 PM CDTSpecial Weather StatementBROBrooks32 min
Apr 28, 11:51 PM CDTSevere Thunderstorm Warning Considerable damage threatBROHidalgo, Starr39 min
Apr 28, 11:56 PM CDTSpecial Marine WarningBRO64 min
Apr 28, 11:57 PM CDTSpecial Weather StatementBROHidalgo48 min
Apr 29, 12:03 AM CDTSevere Thunderstorm Warning Destructive damage threatBROHidalgo42 min
Apr 29, 12:20 AM CDTSpecial Weather StatementBROHidalgo, Kenedy, Willacy55 min
Apr 29, 12:23 AM CDTSevere Thunderstorm Warning Destructive damage threatBROHidalgo, Starr37 min
Apr 29, 12:30 AM CDTSevere Thunderstorm Warning Destructive damage threatBROCameron, Hidalgo, Willacy45 min
Apr 29, 12:31 AM CDTSevere Thunderstorm Warning Considerable damage threatBROHidalgo, Kenedy, Willacy29 min
Apr 29, 12:33 AM CDTSevere Thunderstorm Warning Considerable damage threatBROHidalgo, Willacy27 min
Apr 29, 12:39 AM CDTSevere Thunderstorm Warning Destructive damage threatBROHidalgo36 min
Apr 29, 12:53 AM CDTSpecial Marine WarningBRO67 min
Apr 29, 12:57 AM CDTSevere Thunderstorm Warning Considerable damage threatBROCameron, Hidalgo, Kenedy, Willacy33 min
Apr 29, 1:01 AM CDTSevere Thunderstorm Warning Destructive damage threatBROCameron59 min
Apr 29, 1:08 AM CDTSevere Thunderstorm Warning Destructive damage threatBROCameron, Hidalgo, Willacy37 min
Apr 29, 1:13 AM CDTSevere Thunderstorm WarningBROHidalgo29 min
Apr 29, 1:41 AM CDTAreal Flood AdvisoryBROCameron, Hidalgo65 min
Apr 29, 1:45 AM CDTSpecial Marine WarningBRO90 min
Apr 29, 1:53 AM CDTSevere Thunderstorm WarningBROCameron21 min
Apr 29, 3:06 AM CDTSpecial Marine WarningBRO54 min
Apr 29, 4:13 AM CDTWind AdvisoryBROCameron, Hidalgo, Kenedy, Starr, Willacy6 hr
Apr 29, 4:14 AM CDTRip Current StatementBROCameron, Kenedy, Willacy15 hr
Apr 29, 10:01 AM CDTWind AdvisoryBROCameron, Hidalgo, Kenedy, Starr, Willacy6 hr
Apr 29, 5:53 PM CDTSmall Craft AdvisoryBRO6 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2023Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.