Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 55, NWS Corpus Christi, TX

July 8, 20214 counties in Texas

NWS Corpus Christi, TX issued this flash flood warning at Jul 8, 2021, 5:52 PM 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 8, 2021, 5:52 PM CDT (22:52 UTC)
Expired: Jul 8, 2021, 9:00 PM CDT
In force: 3 hr
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Flood severity: None

Counties Bee County, TX, Live Oak County, TX, Nueces County, TX, San Patricio County, TX

The radar

The Corpus Christi radar (KCRP), 36 km from the middle of the area, began a volume at 22:51 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

Brownsville Intl, TX (KBRO), launched 12:00Z, 10.9 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.

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: 1304 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 505 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: -28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

702 
WGUS54 KCRP 082252
FFWCRP
TXC025-297-355-409-090200-
/O.NEW.KCRP.FF.W.0055.210708T2252Z-210709T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
552 PM CDT Thu Jul 8 2021

The National Weather Service in Corpus Christi has issued a

* Flash Flood Warning for...
  South Central Bee County in south central Texas...
  Southeastern Live Oak County in south central Texas...
  North Central Nueces County in south central Texas...
  Western San Patricio County in south central Texas...

* Until 900 PM CDT.

* At 552 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen over the last several hours. Additional rainfall 
  amounts of 1 to 2 inches are possible in the warned area. Flash 
  flooding is ongoing.

  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...
  Corpus Christi, Sinton, Mathis, Odem, St. Paul, San Patricio, West 
  Sinton, Edroy, Papalote, Tynan, Calallen and Argenta.

This includes the following streams and drainages...
  Papalote Creek, Corpus Christi Bay, Chiltipin Creek, Nueces River, 
  Bullshead Creek, Silver Creek, Boggy Creek, Aquilla Creek, Sixmile 
  Creek, Ratta Creek, Aransas River, Blackjack Creek, Oso Creek, 
  Olmos Creek, Hondo Creek and Peters Swale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2818 9789 2826 9759 2807 9749 2791 9746
      2783 9766 2800 9780 2803 9780 2804 9781
      2804 9782

FLASH FLOOD...RADAR INDICATED

$$

TC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 7:31 PM CDT	Special Marine Warning	CRP		59 min
Jul 7, 10:15 PM CDT	Areal Flood Advisory	CRP	Kleberg, Nueces	3 hr
Jul 7, 10:40 PM CDT	Areal Flood Warning	CRP	Aransas, Calhoun, Refugio, Victoria	6 hr
Jul 7, 11:13 PM CDT	Areal Flood Advisory	CRP	Jim Wells, Nueces	3 hr
Jul 7, 11:24 PM CDT	Special Marine Warning	CRP		36 min
Jul 7, 11:29 PM CDT	Areal Flood Advisory	CRP	Kleberg, Nueces	3 hr
Jul 7, 11:52 PM CDT	Flash Flood Warning	CRP	Kleberg, Nueces	5 hr
Jul 8, 12:39 AM CDT	Flash Flood Warning	CRP	Jim Wells, Nueces	4 hr
Jul 8, 1:02 AM CDT	Flash Flood Warning	CRP	Kleberg, Nueces	3 hr
Jul 8, 2:26 AM CDT	Flash Flood Warning	CRP	Jim Wells	109 min
Jul 8, 2:41 AM CDT	Special Marine Warning	CRP		49 min
Jul 8, 3:11 AM CDT	Coastal Flood Advisory	CRP	Kleberg, Nueces	8 hr
Jul 8, 3:17 AM CDT	Small Craft Advisory	CRP		34 hr
Jul 8, 3:30 AM CDT	Special Marine Warning	CRP		60 min
Jul 8, 4:06 AM CDT	Flash Flood Warning	CRP	Kleberg, Nueces, San Patricio	3 hr
Jul 8, 4:16 AM CDT	Flash Flood Warning	CRP	Aransas, Calhoun, Refugio	7 hr
Jul 8, 4:28 AM CDT	Special Marine Warning	CRP		62 min
Jul 8, 5:36 AM CDT	Flash Flood Warning	CRP	Jim Wells, Nueces, San Patricio	4 hr
Jul 8, 6:28 AM CDT	Areal Flood Advisory	CRP	Aransas, Bee, Nueces, Refugio, San Patricio	88 min
Jul 8, 6:55 AM CDT	Flash Flood Warning	CRP	Kleberg, Nueces, San Patricio	112 min
Jul 8, 7:50 AM CDT	Flash Flood Warning	CRP	Bee, Live Oak, McMullen, San Patricio	2 hr
Jul 8, 7:56 AM CDT	Flash Flood Warning	CRP	Aransas, Bee, Nueces, Refugio, San Patricio	4 hr
Jul 8, 8:06 AM CDT	River Flood Warning	CRP	Nueces, San Patricio	49 hr
Jul 8, 8:11 AM CDT	River Flood Warning	CRP	Jim Wells, Nueces, San Patricio	55 hr
Jul 8, 8:25 AM CDT	River Flood Warning	CRP	Jim Wells	6 hr
Jul 8, 8:26 AM CDT	Flash Flood Warning	CRP	Bee, Calhoun, Goliad, Refugio, Victoria	3 hr
Jul 8, 8:47 AM CDT	Areal Flood Warning	CRP	Kleberg, Nueces, San Patricio	113 min
Jul 8, 9:18 AM CDT	Areal Flood Warning	CRP	Jim Wells, Live Oak, Nueces, San Patricio	83 min
Jul 8, 11:51 AM CDT	Areal Flood Advisory	CRP	Aransas, Bee, Calhoun, Nueces, Refugio, San Patricio and 1 more	3 hr
Jul 8, 2:08 PM CDT	Flash Flood Warning	CRP	Aransas, Calhoun, Refugio, Victoria	5 hr
Jul 8, 2:20 PM CDT	River Flood Warning	CRP	Victoria	48 hr
Jul 8, 2:28 PM CDT	Tornado Warning	CRP	Nueces	32 min
Jul 8, 3:15 PM CDT	Tornado Warning	CRP	Calhoun	15 min
Jul 8, 3:20 PM CDT	Areal Flood Warning	CRP	Aransas, Refugio, San Patricio	3 hr
Jul 8, 3:27 PM CDT	Areal Flood Advisory	CRP	Aransas, Bee, Jim Wells, Nueces, Refugio, San Patricio	3 hr
Jul 8, 3:59 PM CDT	Flash Flood Warning	CRP	Duval, Jim Wells, Kleberg, Nueces	2 hr
Jul 8, 4:07 PM CDT	Flash Flood Warning	CRP	Calhoun, Refugio, Victoria	3 hr
Jul 8, 4:11 PM CDT	Flash Flood Warning	CRP	Calhoun	3 hr
Jul 8, 4:36 PM CDT	Areal Flood Advisory	CRP	Calhoun, Goliad, Refugio, Victoria	3 hr
Jul 8, 5:09 PM CDT	Areal Flood Advisory	CRP	Bee, Live Oak, San Patricio	111 min
Jul 8, 5:22 PM CDT	Tornado Warning	CRP	Calhoun	12 min
Jul 8, 6:12 PM CDT	Tornado Warning	CRP	Duval	13 min
Jul 8, 6:35 PM CDT	Flash Flood Warning	CRP	Bee, Live Oak	2 hr
Jul 8, 6:47 PM CDT	Flash Flood Warning	CRP	Jim Wells, Kleberg, Nueces	118 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.