Alert archive / Texas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 18, NWS Corpus Christi, TX

March 11, 2026Refugio County, San Patricio County, Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at Mar 11, 2026, 2:54 AM CDT for Refugio County, San Patricio County, Texas. It was in force for 16 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: Mar 11, 2026, 2:54 AM CDT (07:54 UTC)
Expired: Mar 11, 2026, 3:10 AM CDT
In force: 16 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Refugio County, TX, San Patricio County, TX

The radar

The Corpus Christi radar (KCRP), 46 km from the middle of the area, began a volume at 07:58 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

Del Rio, TX (KDRT), launched 00:00Z, 7.9 hours before the alert went out and 367 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: 949 J/kg
Mixed-layer CIN: -161 J/kg
Mixed-layer LCL: 1483 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 390 m²/s²
0-3 km storm-relative helicity: 548 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 16.3

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 Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 11, 1:41 AM CDT, 1 hour 13 minutes earlier.

Area forecast discussion, Mar 11, 1:41 AM CDT, 1 hour 13 minutes before

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In the hours before

Special weather statement, Mar 11, 2:14 AM CDT, 40 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 11, 11:04 AM CDT	Coastal Flood Advisory	CRP	Aransas, Calhoun, Kleberg, Nueces	10 hr
Mar 11, 11:40 AM CDT	Gale Warning	CRP		19 hr
Mar 11, 11:40 AM CDT	Small Craft Advisory	CRP		28 hr
Mar 11, 12:10 PM CDT	Wind Advisory	CRP	Aransas, Bee, Calhoun, Goliad, Kleberg, Nueces and 3 more	19 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2026 Every severe thunderstorm warning in 2026

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.