Alert archive / Texas / Flash Flood Warnings in 2021
Flash Flood Warning 65, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this flash flood warning at Sep 13, 2021, 6:45 PM CDT for Calhoun County, Texas. It was in force for 83 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 13, 2021, 6:45 PM CDT (23:45 UTC)
- Expired
- Sep 13, 2021, 8:08 PM CDT
- In force
- 83 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Calhoun County, TX
The radar
The Corpus Christi radar (KCRP), 120 km from the middle of the area, began a volume at 23:48 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 12:00Z, 11.8 hours before the alert went out and 111 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
- 45 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -58 m²/s²
- 0-3 km storm-relative helicity
- -50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
989
WGUS54 KCRP 132345
FFWCRP
TXC057-140245-
/O.NEW.KCRP.FF.W.0065.210913T2345Z-210914T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
645 PM CDT Mon Sep 13 2021
The National Weather Service in Corpus Christi has issued a
* Flash Flood Warning for...
East Central Calhoun County in south Texas...
* Until 945 PM CDT.
* At 645 PM CDT, Doppler radar and automated rain gauges indicated
heavy rain falling across the warned area. Between 1 and 2 inches
of rain have fallen. The expected rainfall rate is 2 to 4 inches
in 1 hour. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar and automated gauges.
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...
Port Oconnor, Matagorda Island State Park and Indianola.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 2841 9665 2850 9657 2853 9651 2851 9648
2849 9644 2848 9644 2844 9640 2834 9636
2823 9658 2831 9665
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...2-4 INCHES IN 1 HOUR
$$1 follow-up statement
548
WGUS74 KCRP 140108
FFSCRP
Flash Flood Statement
National Weather Service Corpus Christi TX
808 PM CDT Mon Sep 13 2021
TXC057-140118-
/O.CAN.KCRP.FF.W.0065.000000T0000Z-210914T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Calhoun TX-
808 PM CDT Mon Sep 13 2021
...FLASH FLOOD WARNING IS CANCELLED FOR EAST CENTRAL CALHOUN
COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 700 AM CDT Tuesday for a
portion of south Texas.
LAT...LON 2841 9665 2850 9657 2853 9651 2851 9648
2849 9644 2848 9644 2844 9640 2834 9636
2823 9658 2831 9665
$$The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 7:41 AM CDT | Areal Flood Advisory | CRP | Kleberg, Nueces, San Patricio | 2 hr |
| Sep 13, 8:27 AM CDT | River Flood Warning | CRP | Nueces | 12 hr |
| Sep 13, 3:59 PM CDT | Coastal Flood Advisory | CRP | Aransas, Calhoun, Kleberg, Nueces, Refugio, San Patricio | 19 hr |
Nearby
Flash Flood Warnings in Texas, 2021Every flash flood warning in 2021
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.