Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 47, NWS Brownsville, TX

May 29, 2023Cameron County, Hidalgo County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at May 29, 2023, 6:01 PM CDT for Cameron County, Hidalgo County, Texas. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 29, 2023, 6:01 PM CDT (23:01 UTC)
Expired
May 29, 2023, 6:30 PM CDT
In force
29 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cameron County, TX, Hidalgo County, TX

The radar

The Brownsville radar (KBRO), 56 km from the middle of the area, began a volume at 23:01 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, 11.0 hours before the alert went out and 59 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 2023-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1428 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brownsville Intl, TX at 12:00Z on 2023-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
1428 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
793 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Brownsville, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 29, 2:41 PM CDT, 3 hours 20 minutes earlier.

Area forecast discussion, May 29, 2:41 PM CDT, 3 hours 20 minutes before
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Hazardous weather outlook, May 29, 4:27 PM CDT, 1 hour 34 minutes before
Hazardous Weather Outlook
National Weather Service Brownsville TX
427 PM CDT Mon May 29 2023

TXZ248>255-351-353>355-451-454-455-302130-
Zapata-Jim Hogg-Brooks-Inland Kenedy-Starr-Southern Hidalgo-
Inland Willacy-Inland Cameron-Coastal Kenedy-Northern Hidalgo-
Coastal Willacy-Coastal Cameron-Kenedy Island-Willacy Island-
Cameron Island-
427 PM CDT Mon May 29 2023

This Hazardous Weather Outlook is for portions of Deep South
Texas.

.DAY ONE...Tonight

Thunderstorms occurring this evening/tonight may be strong to
severe with damaging winds possible. Nuisance flooding and pockets
of flash flooding will also be possible within any of the heavier
showers and storms.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

An elevated risk of rip currents is possible at the beaches of
South Padre Island and at Boca Chica Beach Thursday and Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

GMZ130-132-135-150-155-170-175-302130-
Laguna Madre from the Port of Brownsville to the Arroyo Colorado-
Laguna Madre from the Arroyo Colorado To 5 NM north of Port
Mansfield TX-
Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX-
Gulf waters from Port Mansfield to the Rio Grande out 20 nm-
Gulf waters from Baffin Bay to Port Mansfield out 20 nm-
Gulf waters from Port Mansfield to the Rio Grande extending from
20 to 60 nm-
Gulf waters from Baffin Bay to Port Mansfield extending from
20 to 60 nm-
427 PM CDT Mon May 29 2023

This Hazardous Weather Outlook is for portions of The Gulf of
Mexico and The Laguna Madre.

.DAY ONE...Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Special weather statement, May 29, 4:45 PM CDT, 1 hour 16 minutes before
Special Weather Statement
National Weather Service Brownsville TX
445 PM CDT Mon May 29 2023

TXZ255-292200-
Inland Cameron TX-
445 PM CDT Mon May 29 2023

...A strong thunderstorm will impact portions of south central
Cameron County through 500 PM CDT...

At 444 PM CDT, Doppler radar was tracking a strong thunderstorm over
Villa Nueva Elementary School, or near Olmito, moving east around 10
mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Olmito, Cameron Park, Downtown Brownsville, Brownsville, Sams
Memorial Stadium, Brownsville Fire Department Station Two,
Brownsville Fire Department Station Seven, Valley Regional Medical
Center, Northside Transfer Station and Brownsville Golf Center.

This includes the following highways...
 Interstate Highway 69 E between mile markers 3 and 9.
 US Highway 281 between mile markers 828 and 838.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

Occasional cloud to ground lightning is also occurring with this
storm. Lightning can strike 10 miles away from a thunderstorm. Seek
a safe shelter inside a building or vehicle.

&&

LAT...LON 2592 9753 2592 9754 2594 9755 2593 9756
      2594 9758 2596 9758 2596 9760 2597 9761
      2598 9761 2599 9763 2600 9762 2600 9763
      2601 9763 2600 9764 2604 9762 2601 9746
      2589 9751 2589 9752
TIME...MOT...LOC 2144Z 292DEG 8KT 2598 9758

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

Mejia
Special weather statement, May 29, 5:33 PM CDT, 28 minutes before
Special Weather Statement
National Weather Service Brownsville TX
533 PM CDT Mon May 29 2023

TXZ253-255-292300-
Southern Hidalgo TX-Inland Cameron TX-
533 PM CDT Mon May 29 2023

...A strong thunderstorm will impact portions of southeastern Hidalgo
and west central Cameron Counties through 600 PM CDT...

At 533 PM CDT, Doppler radar was tracking a strong thunderstorm over
Taylor Elementary School, or over Mercedes, moving southeast at 10
mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Harlingen, Weslaco, Mercedes, La Feria, Santa Maria, Weslaco Mid
Valley Airport, Llano Grande Country Club, Weslaco City Hall, Taylor
Elementary School and Weslaco Fire Department Station Two.

This includes US Highway 281 between mile markers 810 and 816.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 2606 9782 2605 9783 2605 9786 2607 9786
      2606 9787 2607 9788 2606 9789 2617 9801
      2626 9798 2619 9775 2605 9780 2606 9780
      2606 9781 2605 9781
TIME...MOT...LOC 2233Z 293DEG 7KT 2618 9793

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Mejia
Special weather statement, May 29, 5:56 PM CDT, 5 minutes before
Special Weather Statement
National Weather Service Brownsville TX
556 PM CDT Mon May 29 2023

TXZ253-255-292330-
Southern Hidalgo TX-Inland Cameron TX-
556 PM CDT Mon May 29 2023

...A strong thunderstorm will impact portions of east central
Hidalgo, northwestern Cameron and southwestern Willacy Counties
through 630 PM CDT...

At 555 PM CDT, Doppler radar was tracking a strong thunderstorm over
Indian Hills, or near La Villa, moving northeast at 5 to 10 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Harlingen, Edcouch, Santa Rosa, La Villa, Olivarez, Mila Doce,
Yznaga, Tierra Bonita, Satiago Garcia Elementary School and Edcouch
Volunteer Fire Department.

This includes Interstate Highway 69 E between mile markers 32 and 37.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 2624 9800 2643 9790 2643 9789 2641 9786
      2635 9786 2633 9774 2630 9769 2615 9788
TIME...MOT...LOC 2255Z 226DEG 6KT 2623 9791

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

Mejia

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 4:45 PM CDTAreal Flood AdvisoryBROCameron53 min
May 29, 4:45 PM CDTSpecial Weather StatementBROCameron15 min
May 29, 4:49 PM CDTAreal Flood AdvisoryBROHidalgo56 min
May 29, 5:33 PM CDTSpecial Weather StatementBROHidalgo27 min
May 29, 5:56 PM CDTSpecial Weather StatementBROWillacy34 min
May 29, 6:10 PM CDTSevere Thunderstorm WarningBROBrooks50 min
May 29, 6:27 PM CDTSevere Thunderstorm WarningBROCameron, Hidalgo, Willacy48 min
May 29, 6:57 PM CDTSpecial Weather StatementBROBrooks33 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.