Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 43, NWS Brownsville, TX

May 12, 2023Zapata County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at May 12, 2023, 11:17 PM CDT for Zapata County, Texas. It was in force for 22 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 12, 2023, 11:17 PM CDT (04:17 UTC)
Expired
May 12, 2023, 11:39 PM CDT
In force
22 min
Issued by
NWS Brownsville, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Zapata County, TX

The radar

The Corpus Christi radar (KCRP), 185 km from the middle of the area, began a volume at 04:20 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, 4.3 hours before the alert went out and 198 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, Corpus Christi, TX at 00:00Z on 2023-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3404 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, Corpus Christi, TX at 00:00Z on 2023-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.1939Sfc1 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
3404 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
825 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
-53 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 9:53 PM CDTSpecial Weather StatementBROZapata52 min
May 12, 10:26 PM CDTSevere Thunderstorm WarningBROZapata49 min
May 12, 11:52 PM CDTSpecial Weather StatementBROZapata38 min
May 13, 12:50 AM CDTSevere Thunderstorm WarningBROHidalgo, Starr40 min
May 13, 1:31 AM CDTSpecial Weather StatementBROHidalgo, Starr44 min
May 13, 2:13 AM CDTAreal Flood AdvisoryBROCameron, Hidalgo2 hr
May 13, 2:15 AM CDTSpecial Weather StatementBROBrooks, Hidalgo60 min
May 13, 2:27 AM CDTAreal Flood AdvisoryBROStarr2 hr
May 13, 3:16 AM CDTSpecial Weather StatementBROBrooks, Cameron, Kenedy, Willacy44 min
May 13, 4:01 AM CDTSpecial Marine WarningBRO29 min
May 13, 4:04 AM CDTSpecial Weather StatementBROCameron26 min
May 13, 4:04 AM CDTTornado WarningBROCameron26 min
May 13, 4:15 AM CDTAreal Flood AdvisoryBROCameron, Hidalgo, Willacy98 min
May 13, 4:27 AM CDTSpecial Marine WarningBRO48 min
May 13, 4:53 AM CDTSpecial Marine WarningBRO22 min
May 13, 4:57 AM CDTSpecial Weather StatementBROHidalgo48 min
May 13, 5:03 AM CDTSpecial Marine WarningBRO42 min
May 13, 5:16 AM CDTSpecial Marine WarningBRO29 min
May 13, 5:45 AM CDTSpecial Marine WarningBRO45 min
May 13, 6:07 AM CDTSpecial Weather StatementBROStarr38 min
May 13, 6:31 AM CDTSpecial Marine WarningBRO44 min
May 13, 7:07 AM CDTSpecial Marine WarningBRO38 min
May 13, 8:22 AM CDTAreal Flood AdvisoryBROHidalgo, Starr3 hr
May 13, 9:30 AM CDTAreal Flood AdvisoryBROCameron, Hidalgo, Kenedy, Willacy2 hr
May 13, 9:31 AM CDTAreal Flood AdvisoryBROCameron119 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.