Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 62, NWS Corpus Christi, TX

July 9, 20215 counties in Texas

NWS Corpus Christi, TX issued this flash flood warning at Jul 9, 2021, 7:53 AM CDT for 5 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, 7:53 AM CDT (12:53 UTC)
Expired: Jul 9, 2021, 11:15 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, Nueces County, TX, Refugio County, TX, San Patricio County, TX

The radar

The Corpus Christi radar (KCRP), 75 km from the middle of the area, began a volume at 12:54 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, 0.9 hours before the alert went out and 71 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: 994 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 646 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

748 
WGUS54 KCRP 091253
FFWCRP
TXC007-057-355-391-409-091615-
/O.NEW.KCRP.FF.W.0062.210709T1253Z-210709T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Corpus Christi has issued a

* Flash Flood Warning for...
  Aransas County in south central Texas...
  Northeastern Nueces County in south central Texas...
  Central Refugio County in south central Texas...
  Eastern San Patricio County in south central Texas...
  Southwestern Calhoun County in south Texas...

* Until 1115 AM CDT.

* At 753 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across 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...
  Portland, Rockport, Port Aransas, Refugio, Lamar, Ingleside, 
  Aransas Pass, Gregory, Ingleside On The Bay, Bayside, Quintana, 
  Holiday Beach, Copano Village, Key Allegro, Palm Harbor, Aransas 
  National Wildlife Refuge, Tivoli, Fulton and Austwell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2789 9734 2835 9727 2850 9694 2849 9691
      2850 9691 2851 9689 2852 9690 2853 9688
      2834 9678 2816 9670 2776 9709

FLASH FLOOD...RADAR INDICATED

$$

LS

1 follow-up statement

482 
WGUS74 KCRP 091616
FFSCRP

Flash Flood Statement
National Weather Service Corpus Christi TX
1116 AM CDT Fri Jul 9 2021

TXC007-057-355-391-409-091626-
/O.EXP.KCRP.FF.W.0062.000000T0000Z-210709T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Aransas TX-Calhoun TX-Nueces TX-Refugio TX-San Patricio TX-
1116 AM CDT Fri Jul 9 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR ARANSAS, NORTHEASTERN NUECES, 
CENTRAL REFUGIO, EASTERN SAN PATRICIO AND SOUTHWESTERN 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 2789 9734 2835 9727 2850 9694 2849 9691
      2850 9691 2851 9689 2852 9690 2853 9688
      2834 9678 2816 9670 2776 9709

$$

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, 4:24 AM CDT	Flash Flood Warning	CRP	Aransas, Calhoun, Refugio, Victoria	3 hr
Jul 9, 6:42 AM CDT	Areal Flood Advisory	CRP	Calhoun, Refugio, Victoria	112 min
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.