Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 61, NWS Corpus Christi, TX

July 9, 20214 counties in Texas

NWS Corpus Christi, TX issued this flash flood warning at Jul 9, 2021, 4:24 AM CDT for 4 counties in Texas. It was in force for 3 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: Jul 9, 2021, 4:24 AM CDT (09:24 UTC)
Expired: Jul 9, 2021, 7:10 AM CDT
In force: 3 hr
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Flood severity: None

Counties Aransas County, TX, Calhoun County, TX, Refugio County, TX, Victoria County, TX

The radar

The Corpus Christi radar (KCRP), 103 km from the middle of the area, began a volume at 09:26 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, 9.4 hours before the alert went out and 97 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: 1447 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 716 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 24 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

353 
WGUS54 KCRP 090924
FFWCRP
TXC007-057-391-469-091230-
/O.NEW.KCRP.FF.W.0061.210709T0924Z-210709T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
424 AM CDT Fri Jul 9 2021

The National Weather Service in Corpus Christi has issued a

* Flash Flood Warning for...
  Northeastern Aransas County in south central Texas...
  Northeastern Refugio County in south central Texas...
  Southeastern Victoria County in south central Texas...
  Northwestern Calhoun County in south Texas...

* Until 730 AM CDT.

* At 424 AM CDT, 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...
  Seadrift, Long Mott, Green Lake, Tivoli, Aransas National Wildlife 
  Refuge and Austwell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 2821 9690 2849 9703 2852 9703 2871 9676
      2846 9659 2847 9659 2846 9658 2842 9656

FLASH FLOOD...RADAR INDICATED

$$

87

1 follow-up statement

607 
WGUS74 KCRP 091210
FFSCRP

Flash Flood Statement
National Weather Service Corpus Christi TX
710 AM CDT Fri Jul 9 2021

TXC007-057-391-469-091220-
/O.CAN.KCRP.FF.W.0061.000000T0000Z-210709T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Aransas TX-Calhoun TX-Refugio TX-Victoria TX-
710 AM CDT Fri Jul 9 2021

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN ARANSAS, 
NORTHEASTERN REFUGIO, SOUTHEASTERN VICTORIA AND NORTHWESTERN CALHOUN 
COUNTIES...

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 PM CDT Friday for a 
portion of south Texas.

LAT...LON 2821 9690 2849 9703 2852 9703 2871 9676
      2846 9659 2847 9659 2846 9658 2842 9656

$$

LS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:06 PM CDT	Areal Flood Warning	CRP	Calhoun, Victoria	3 hr
Jul 8, 8:47 PM CDT	River Flood Warning	CRP	Victoria	49 hr
Jul 8, 10:26 PM CDT	Areal Flood Advisory	CRP	Duval, Jim Wells, Live Oak, McMullen	2 hr
Jul 8, 10:29 PM CDT	Coastal Flood Advisory	CRP	Aransas, Calhoun, Kleberg, Nueces	15 hr
Jul 8, 10:41 PM CDT	Areal Flood Advisory	CRP	Bee, Goliad, Refugio, San Patricio	2 hr
Jul 8, 11:14 PM CDT	Flash Flood Warning	CRP	Bee, Goliad	2 hr
Jul 8, 11:54 PM CDT	Special Weather Statement	CRP	Nueces	51 min
Jul 9, 12:18 AM CDT	Areal Flood Advisory	CRP	Aransas, Calhoun, Refugio, Victoria	117 min
Jul 9, 1:26 AM CDT	Areal Flood Advisory	CRP	Bee, Goliad, Refugio, San Patricio	2 hr
Jul 9, 2:06 AM CDT	River Flood Warning	CRP	Victoria	13 hr
Jul 9, 2:26 AM CDT	Flash Flood Warning	CRP	Aransas, Bee, Goliad, Refugio, San Patricio	3 hr
Jul 9, 2:49 AM CDT	Flash Flood Warning	CRP	Bee, Goliad, Live Oak	3 hr
Jul 9, 2:56 AM CDT	River Flood Warning	CRP	Goliad, Victoria	54 hr
Jul 9, 3:54 AM CDT	River Flood Warning	CRP	Calhoun, Goliad, Refugio, Victoria	4 days
Jul 9, 6:42 AM CDT	Areal Flood Advisory	CRP	Calhoun, Refugio, Victoria	112 min
Jul 9, 7:53 AM CDT	Flash Flood Warning	CRP	Aransas, Calhoun, Nueces, Refugio, San Patricio	3 hr
Jul 9, 8:51 AM CDT	River Flood Warning	CRP	Live Oak	60 hr
Jul 9, 8:56 AM CDT	River Flood Warning	CRP	Live Oak	24 hr
Jul 9, 10:40 AM CDT	Areal Flood Advisory	CRP	Aransas, Calhoun, Goliad, Refugio, Victoria	11 hr
Jul 9, 10:46 AM CDT	Areal Flood Advisory	CRP	Bee, Goliad, Refugio, Victoria	11 hr
Jul 9, 1:02 PM CDT	River Flood Warning	CRP	Jim Wells	14 hr
Jul 9, 4:42 PM CDT	Coastal Flood Advisory	CRP	Aransas, Calhoun	5 hr
Jul 9, 6:16 PM CDT	Special Marine Warning	CRP		44 min
Jul 9, 6:16 PM CDT	Special Weather Statement	CRP	Kleberg, Nueces	59 min

Nearby

Flash Flood Warnings in Texas, 2021 Every 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.