Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 33, NWS Brownsville, TX

April 29, 2023Cameron County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Apr 29, 2023, 1:01 AM CDT for Cameron County, Texas. It was in force for 59 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: Apr 29, 2023, 1:01 AM CDT (06:01 UTC)
Expired: Apr 29, 2023, 2:00 AM CDT
In force: 59 min
Issued by: NWS Brownsville, TX
Area: Storm-based polygon
Damage threat: Destructive
Hail: 0.75 in
Wind: 80.0 mph

County Cameron County, TX

The radar

The Brownsville radar (KBRO), 27 km from the middle of the area, began a volume at 06:02 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

Corpus Christi, TX (KCRP), launched 00:00Z, 6.0 hours before the alert went out and 176 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2110 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 1085 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 9.4

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 Apr 29, 12:49 AM CDT, 12 minutes earlier.

Area forecast discussion, Apr 29, 12:49 AM CDT, 12 minutes before

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Hazardous weather outlook, Apr 28, 10:51 PM CDT, 2 hours 10 minutes before

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In the hours before

Local storm report, Apr 28, 11:39 PM CDT, 1 hour 22 minutes before

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Special weather statement, Apr 28, 11:43 PM CDT, 1 hour 18 minutes before

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Special weather statement, Apr 28, 11:57 PM CDT, 1 hour 4 minutes before

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Special weather statement, Apr 29, 12:20 AM CDT, 41 minutes before

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Local storm report, Apr 29, 12:22 AM CDT, 39 minutes before

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Local storm report, Apr 29, 12:35 AM CDT, 26 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 9:15 PM CDT	Special Weather Statement	BRO	Zapata	45 min
Apr 28, 9:18 PM CDT	Special Weather Statement	BRO	Jim Hogg	42 min
Apr 28, 9:23 PM CDT	Severe Thunderstorm Warning	BRO	Zapata	23 min
Apr 28, 9:34 PM CDT	Special Weather Statement	BRO	Zapata	26 min
Apr 28, 9:45 PM CDT	Severe Thunderstorm Warning	BRO	Zapata	45 min
Apr 28, 10:01 PM CDT	Special Marine Warning	BRO		59 min
Apr 28, 10:19 PM CDT	Areal Flood Advisory	BRO	Zapata	116 min
Apr 28, 10:25 PM CDT	Severe Thunderstorm Warning	BRO	Starr, Zapata	50 min
Apr 28, 10:33 PM CDT	Special Weather Statement	BRO	Jim Hogg	27 min
Apr 28, 10:38 PM CDT	Special Weather Statement	BRO	Zapata	22 min
Apr 28, 10:47 PM CDT	Special Weather Statement	BRO	Brooks	43 min
Apr 28, 10:50 PM CDT	Areal Flood Advisory	BRO	Zapata	115 min
Apr 28, 10:53 PM CDT	Special Marine Warning	BRO		67 min
Apr 28, 10:59 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BRO	Starr	46 min
Apr 28, 11:09 PM CDT	Special Weather Statement	BRO	Kenedy	36 min
Apr 28, 11:22 PM CDT	Special Weather Statement	BRO	Starr	38 min
Apr 28, 11:28 PM CDT	Areal Flood Advisory	BRO	Starr	2 hr
Apr 28, 11:29 PM CDT	Severe Thunderstorm Warning	BRO	Kenedy	31 min
Apr 28, 11:34 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BRO	Starr	41 min
Apr 28, 11:43 PM CDT	Special Weather Statement	BRO	Brooks	32 min
Apr 28, 11:51 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BRO	Hidalgo, Starr	39 min
Apr 28, 11:56 PM CDT	Special Marine Warning	BRO		64 min
Apr 28, 11:57 PM CDT	Special Weather Statement	BRO	Hidalgo	48 min
Apr 29, 12:03 AM CDT	Severe Thunderstorm Warning Destructive damage threat	BRO	Hidalgo	42 min
Apr 29, 12:20 AM CDT	Special Weather Statement	BRO	Hidalgo, Kenedy, Willacy	55 min
Apr 29, 12:23 AM CDT	Severe Thunderstorm Warning Destructive damage threat	BRO	Hidalgo, Starr	37 min
Apr 29, 12:30 AM CDT	Severe Thunderstorm Warning Destructive damage threat	BRO	Cameron, Hidalgo, Willacy	45 min
Apr 29, 12:31 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BRO	Hidalgo, Kenedy, Willacy	29 min
Apr 29, 12:33 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BRO	Hidalgo, Willacy	27 min
Apr 29, 12:39 AM CDT	Severe Thunderstorm Warning Destructive damage threat	BRO	Hidalgo	36 min
Apr 29, 12:53 AM CDT	Special Marine Warning	BRO		67 min
Apr 29, 12:57 AM CDT	Severe Thunderstorm Warning Considerable damage threat	BRO	Cameron, Hidalgo, Kenedy, Willacy	33 min
Apr 29, 1:08 AM CDT	Severe Thunderstorm Warning Destructive damage threat	BRO	Cameron, Hidalgo, Willacy	37 min
Apr 29, 1:13 AM CDT	Severe Thunderstorm Warning	BRO	Hidalgo	29 min
Apr 29, 1:41 AM CDT	Areal Flood Advisory	BRO	Cameron, Hidalgo	65 min
Apr 29, 1:45 AM CDT	Special Marine Warning	BRO		90 min
Apr 29, 1:53 AM CDT	Severe Thunderstorm Warning	BRO	Cameron	21 min
Apr 29, 3:06 AM CDT	Special Marine Warning	BRO		54 min
Apr 29, 4:13 AM CDT	Wind Advisory	BRO	Cameron, Hidalgo, Kenedy, Starr, Willacy	6 hr
Apr 29, 4:14 AM CDT	Rip Current Statement	BRO	Cameron, Kenedy, Willacy	15 hr
Apr 29, 10:01 AM CDT	Wind Advisory	BRO	Cameron, Hidalgo, Kenedy, Starr, Willacy	6 hr
Apr 29, 5:53 PM CDT	Small Craft Advisory	BRO		6 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2023 Every 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.