Alert archive / Texas / Red Flag Warnings in 2023
Red Flag Warning 9, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this red flag warning at Aug 11, 2023, 3:13 PM CDT for Duval County, La Salle County, Webb County, Texas. It took effect at Aug 12, 2023, 11:00 AM CDT. It was in force for 9 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
- Aug 11, 2023, 3:13 PM CDT (20:13 UTC)
- In effect from
- Aug 12, 2023, 11:00 AM CDT
- Expired
- Aug 12, 2023, 8:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS Corpus Christi, TX
Counties Duval County, TX, La Salle County, TX, Webb County, TX
The radar
The Corpus Christi radar (KCRP), 145 km from the middle of the area, began a volume at 20:12 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 12:00Z, 8.2 hours before the alert went out and 242 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.
- Mixed-layer CAPE
- 1341 J/kg
- Mixed-layer CIN
- -303 J/kg
- Mixed-layer LCL
- 1168 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag 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 red flag warning went out at Aug 11, 2:53 PM CDT, 20 minutes earlier.
Area forecast discussion, Aug 11, 2:53 PM CDT, 20 minutes before
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</html>The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 3:08 PM CDT | Small Craft Advisory | CRP | 30 hr | |
| Aug 11, 3:10 PM CDT | Excessive Heat Warning | CRP | Jim Wells, Kleberg, La Salle, Live Oak, McMullen, Nueces and 1 more | 29 hr |
| Aug 11, 3:10 PM CDT | Heat Advisory | CRP | Aransas, Bee, Calhoun, Duval, Goliad, Kleberg and 5 more | 29 hr |
Nearby
Red Flag Warnings in Texas, 2023Every red flag 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.