Alert archive / Texas / Flash Flood Warnings in 2026

Flash Flood Warning 18, NWS Corpus Christi, TX

June 16, 2026Calhoun County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Jun 16, 2026, 4:13 AM CDT for Calhoun County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 16, 2026, 4:13 AM CDT (09:13 UTC)
Expired
Jun 16, 2026, 6:15 AM CDT
In force
2 hr
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon
Flood severity
Unknown

County Calhoun County, TX

The radar

The Corpus Christi radar (KCRP), 114 km from the middle of the area, began a volume at 09:13 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, 9.2 hours before the alert went out and 106 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 2026-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 776 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 2026-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
776 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
650 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
145 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 flash flood 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 flash flood warning went out at Jun 15, 6:11 PM CDT, 10 hours 2 minutes earlier.

Area forecast discussion, Jun 15, 6:11 PM CDT, 10 hours 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 10:47 PM CDTFlash Flood WarningCRPCalhoun3 hr
Jun 15, 10:53 PM CDTFlash Flood WarningCRPCalhoun3 hr
Jun 16, 2:06 AM CDTSpecial Marine WarningCRP114 min
Jun 16, 3:48 AM CDTSpecial Marine WarningCRP57 min
Jun 16, 4:02 AM CDTAreal Flood AdvisoryCRPDuval, La Salle, McMullen, Webb118 min
Jun 16, 4:05 AM CDTAreal Flood AdvisoryCRPCalhoun115 min
Jun 16, 5:04 AM CDTFlash Flood WarningCRPDuval3 hr
Jun 16, 7:14 AM CDTFlash Flood WarningCRPAransas, Kleberg, Nueces, San Patricio3 hr
Jun 16, 9:26 AM CDTRiver Flood WarningCRPWebb11 hr
Jun 16, 9:27 AM CDTFlash Flood WarningCRPJim Wells, Kleberg, Nueces2 hr
Jun 16, 10:06 AM CDTAreal Flood WarningCRPAransas, Kleberg, Nueces, San Patricio3 hr
Jun 16, 10:45 AM CDTCoastal Flood AdvisoryCRPAransas, Calhoun, Kleberg, Nueces32 hr
Jun 16, 10:46 AM CDTSmall Craft AdvisoryCRP44 hr
Jun 16, 11:12 AM CDTAreal Flood AdvisoryCRPAransas, Calhoun, Refugio, San Patricio43 min
Jun 16, 11:16 AM CDTAreal Flood AdvisoryCRPMcMullen42 min
Jun 16, 11:30 AM CDTAreal Flood WarningCRPJim Wells, Kleberg, Nueces, San Patricio2 hr
Jun 16, 11:55 AM CDTFlash Flood WarningCRPAransas, Calhoun, Refugio, San Patricio, Victoria3 hr
Jun 16, 11:58 AM CDTFlash Flood WarningCRPMcMullen3 hr
Jun 16, 12:25 PM CDTAreal Flood AdvisoryCRPLa Salle3 hr
Jun 16, 12:56 PM CDTSpecial Marine WarningCRP64 min
Jun 16, 1:36 PM CDTFlash Flood WarningCRPAransas, Nueces, San Patricio3 hr
Jun 16, 3:12 PM CDTAreal Flood WarningCRPAransas, Calhoun, Refugio4 hr
Jun 16, 4:17 PM CDTAreal Flood WarningCRPAransas, Nueces, San Patricio3 hr

Nearby

Flash Flood Warnings in Texas, 2026Every flash flood 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.