Alert archive / Texas / Flash Flood Warnings in 2025

Flash Flood Warning 21, NWS Corpus Christi, TX

November 26, 2025Webb County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Nov 26, 2025, 5:42 AM CST for Webb 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 outline as issued.

The facts

Issued: Nov 26, 2025, 5:42 AM CST (11:42 UTC)
Expired: Nov 26, 2025, 7:45 AM CST
In force: 2 hr
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Flood severity: None

County Webb County, TX

The radar

The Corpus Christi radar (KCRP), 199 km from the middle of the area, began a volume at 11:45 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, 11.7 hours before the alert went out and 215 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: 1127 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1351 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: 21 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

The text

As transmitted.

242 
WGUS54 KCRP 261142
FFWCRP
TXC479-261345-
/O.NEW.KCRP.FF.W.0021.251126T1142Z-251126T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
542 AM CST Wed Nov 26 2025

The National Weather Service in Corpus Christi has issued a

* Flash Flood Warning for...
  South Central Webb County in south central Texas...

* Until 745 AM CST.

* At 542 AM CST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Laredo, Laredo International Airport, St Augustine High School 
  South Laredo, Laredo Country Club, Texas A&M, United South High 
  School, Laredo Community College, Doctors Hospital Of Laredo and 
  Orvil.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 2738 9949 2741 9949 2744 9950 2749 9948
      2750 9950 2750 9953 2754 9952 2756 9951
      2757 9951 2758 9953 2760 9954 2761 9955
      2760 9958 2761 9958 2762 9958 2763 9959
      2766 9942 2739 9941

FLASH FLOOD...RADAR INDICATED

$$

PH

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 25, 9:20 PM CST	Special Weather Statement	CRP	Zapata	25 min
Nov 25, 9:26 PM CST	Severe Thunderstorm Warning	CRP	Webb	34 min
Nov 25, 9:45 PM CST	Severe Thunderstorm Warning Considerable damage threat	CRP	Webb	45 min
Nov 25, 9:59 PM CST	Severe Thunderstorm Warning Destructive damage threat	CRP	Webb	46 min
Nov 25, 10:37 PM CST	Severe Thunderstorm Warning	CRP	Webb	23 min
Nov 25, 11:01 PM CST	Severe Thunderstorm Warning	CRP	Webb	14 min
Nov 25, 11:10 PM CST	Severe Thunderstorm Warning	CRP	Duval, Webb	18 min
Nov 26, 12:02 AM CST	Small Craft Advisory	CRP		24 hr
Nov 26, 1:36 AM CST	Special Weather Statement	CRP	Duval	24 min
Nov 26, 1:37 AM CST	Special Weather Statement	CRP	McMullen	23 min
Nov 26, 3:33 AM CST	Areal Flood Advisory	CRP	Jim Wells, Live Oak, Nueces, San Patricio	3 hr
Nov 26, 4:06 AM CST	Areal Flood Advisory	CRP	Kleberg, Nueces, San Patricio	3 hr
Nov 26, 5:15 AM CST	Areal Flood Advisory	CRP	Webb	2 hr

Nearby

Flash Flood Warnings in Texas, 2025 Every flash flood warning in 2025

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.