Alert archive / Texas / Tornado Warnings in 2023

Tornado Warning 2, NWS Brownsville, TX

April 23, 2023Cameron County, Texas

NWS Brownsville, TX issued this tornado warning at Apr 23, 2023, 1:35 PM CDT for Cameron County, Texas. It was in force for 25 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
Apr 23, 2023, 1:35 PM CDT (18:35 UTC)
Expired
Apr 23, 2023, 2:00 PM CDT
In force
25 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Cameron County, TX

The radar

The Brownsville radar (KBRO), 9 km from the middle of the area, began a volume at 18:38 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
Apr 23, 4:54 AM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 6.6 hours before the alert went out and 8 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 2023-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2723 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 2023-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.1939587897Sfc1 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
2723 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
506 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
3.5
Supercell composite
13.2

Open this sounding in Storm Lab

The text

As transmitted.

461 
WFUS54 KBRO 231835
TORBRO
TXC061-231900-
/O.NEW.KBRO.TO.W.0002.230423T1835Z-230423T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Brownsville TX
135 PM CDT Sun Apr 23 2023

The National Weather Service in Brownsville has issued a

* Tornado Warning for...
  Southeastern Cameron County in Deep South Texas...

* Until 200 PM CDT.

* At 135 PM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located near
  Port Of Brownsville, moving southeast at 35 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 tornadic thunderstorm will remain over mainly rural areas of
  southeastern Cameron County, including the following locations...
  Pedro Benevides County Park and Loma Alta Lake.

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.

&&

LAT...LON 2600 9744 2608 9732 2596 9720 2596 9723
      2595 9725 2596 9728 2595 9729 2594 9728
      2594 9730 2593 9731 2593 9732 2592 9733
      2593 9735 2591 9737 2589 9736 2588 9737
      2587 9736 2586 9737 2585 9737
TIME...MOT...LOC 1835Z 327DEG 31KT 2599 9735 

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

$$

Mejia
2 follow-up statements
127 
WWUS54 KBRO 231843
SVSBRO

Severe Weather Statement
National Weather Service Brownsville TX
143 PM CDT Sun Apr 23 2023

TXC061-231900-
/O.CON.KBRO.TO.W.0002.000000T0000Z-230423T1900Z/
Cameron TX-
143 PM CDT Sun Apr 23 2023

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
SOUTHEASTERN CAMERON COUNTY...

At 143 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Port Of Brownsville, moving southeast at 35 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.

Locations impacted include...
Port Of Brownsville, Brownsville and Pedro Benevides County Park. 

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.

&&

LAT...LON 2598 9743 2600 9736 2596 9728 2595 9729
      2594 9728 2594 9730 2593 9731 2593 9732
      2592 9733 2593 9735 2591 9737 2589 9736
      2588 9737 2587 9736 2586 9737 2585 9737
TIME...MOT...LOC 1843Z 327DEG 31KT 2593 9731 

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

$$

Mejia
567 
WWUS54 KBRO 231851
SVSBRO

Severe Weather Statement
National Weather Service Brownsville TX
151 PM CDT Sun Apr 23 2023

TXC061-231901-
/O.EXP.KBRO.TO.W.0002.000000T0000Z-230423T1900Z/
Cameron TX-
151 PM CDT Sun Apr 23 2023

...THE TORNADO WARNING FOR SOUTHEASTERN CAMERON COUNTY WILL EXPIRE AT
200 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
Deep South Texas.

LAT...LON 2598 9743 2600 9736 2596 9728 2595 9729
      2594 9728 2594 9730 2593 9731 2593 9732
      2592 9733 2593 9735 2591 9737 2589 9736
      2588 9737 2587 9736 2586 9737 2585 9737
TIME...MOT...LOC 1851Z 327DEG 31KT 2588 9728 

$$

Mejia

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 3:11 AM CDTRip Current StatementBROCameron, Kenedy, Willacy3 days
Apr 23, 5:22 AM CDTSmall Craft AdvisoryBRO37 hr
Apr 23, 10:37 AM CDTSpecial Weather StatementBROJim Hogg38 min
Apr 23, 10:55 AM CDTSevere Thunderstorm WarningBROJim Hogg, Zapata50 min
Apr 23, 11:04 AM CDTSevere Thunderstorm Warning Considerable damage threatBROBrooks, Kenedy, Willacy41 min
Apr 23, 11:08 AM CDTSpecial Marine WarningBRO67 min
Apr 23, 11:10 AM CDTSpecial Weather StatementBROBrooks50 min
Apr 23, 11:21 AM CDTAreal Flood AdvisoryBROJim Hogg, Zapata114 min
Apr 23, 11:42 AM CDTSevere Thunderstorm Warning Considerable damage threatBROBrooks, Hidalgo, Jim Hogg, Kenedy, Starr, Willacy and 1 more48 min
Apr 23, 12:08 PM CDTAreal Flood AdvisoryBROJim Hogg112 min
Apr 23, 12:17 PM CDTSpecial Marine WarningBRO58 min
Apr 23, 12:17 PM CDTSevere Thunderstorm Warning Considerable damage threatBROBrooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more43 min
Apr 23, 12:40 PM CDTSevere Thunderstorm Warning Considerable damage threatBROCameron, Hidalgo, Willacy50 min
Apr 23, 12:54 PM CDTSpecial Weather StatementBROHidalgo, Starr36 min
Apr 23, 1:01 PM CDTSpecial Weather StatementBROStarr29 min
Apr 23, 1:09 PM CDTSpecial Marine WarningBRO96 min
Apr 23, 1:09 PM CDTTornado WarningBROCameron22 min
Apr 23, 1:21 PM CDTSevere Thunderstorm Warning Considerable damage threatBROHidalgo, Starr24 min
Apr 23, 1:29 PM CDTSevere Thunderstorm Warning Destructive damage threatBROCameron, Willacy46 min
Apr 23, 1:32 PM CDTSpecial Marine WarningBRO28 min
Apr 23, 1:44 PM CDTAreal Flood AdvisoryBROCameron, Hidalgo, Willacy2 hr
Apr 23, 1:50 PM CDTSpecial Marine WarningBRO3 min
Apr 23, 1:57 PM CDTAreal Flood AdvisoryBROCameron2 hr
Apr 23, 2:01 PM CDTAreal Flood AdvisoryBROHidalgo3 hr
Apr 23, 2:09 PM CDTAreal Flood AdvisoryBROStarr66 min
Apr 23, 2:10 PM CDTSpecial Weather StatementBROCameron35 min
Apr 23, 2:21 PM CDTSpecial Marine WarningBRO24 min
Apr 23, 2:45 PM CDTSpecial Marine WarningBRO30 min
Apr 23, 2:57 PM CDTSpecial Marine WarningBRO2 hr
Apr 23, 4:20 PM CDTSpecial Marine WarningBRO115 min
Apr 23, 4:59 PM CDTSpecial Marine WarningBRO91 min

Nearby

Tornado Warnings in Texas, 2023Every tornado warning in 2023Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.