Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 45, NWS Corpus Christi, TX

July 8, 2021Aransas County, Calhoun County, Refugio County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Jul 8, 2021, 4:16 AM CDT for Aransas County, Calhoun County, Refugio County, Texas. It was in force for 7 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 8, 2021, 4:16 AM CDT (09:16 UTC)
Expired: Jul 8, 2021, 11:45 AM CDT
In force: 7 hr
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Flood severity: None

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

The radar

The Corpus Christi radar (KCRP), 60 km from the middle of the area, began a volume at 09:19 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.

What was reported inside it

Time	Report	Where	Remark
Jul 8, 7:00 AM CDT	FLASH FLOOD	10 Sw Austwell, TX	STATE HIGHWAY 35 CLOSED DUE TO FLOODING.
Jul 8, 8:00 AM CDT	FLASH FLOOD	13 Sw Tivoli, TX	FM-774 EAST OF REFUGIO IS CLOSED DUE TO FLOODING. TIME ESTIMATED BY RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 9.3 hours before the alert went out and 52 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: 104 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 765 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

679 
WGUS54 KCRP 080916
FFWCRP
TXC007-057-391-081215-
/O.NEW.KCRP.FF.W.0045.210708T0916Z-210708T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Corpus Christi has issued a

* Flash Flood Warning for...
  Aransas County in south central Texas...
  Southeastern Refugio County in south central Texas...
  Southwestern Calhoun County in south Texas...

* Until 715 AM CDT.

* At 416 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 4 and 9 inches of rain 
  have fallen in the past 24 hours. Additional rainfall amounts of 1 
  to 4 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...
  Rockport, Lamar, Holiday Beach, Copano Village, Key Allegro, 
  Aransas National Wildlife Refuge, Palm Harbor, Fulton 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 2814 9716 2829 9715 2842 9686 2821 9666
      2820 9666 2787 9702 2788 9703 2792 9708
      2799 9716 2800 9717

FLASH FLOOD...RADAR INDICATED

$$

EMF

3 follow-up statements

816 
WGUS74 KCRP 081136
FFSCRP

Flash Flood Statement
National Weather Service Corpus Christi TX
636 AM CDT Thu Jul 8 2021

TXC007-057-391-081215-
/O.CON.KCRP.FF.W.0045.000000T0000Z-210708T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Aransas TX-Calhoun TX-Refugio TX-
636 AM CDT Thu Jul 8 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 AM CDT THIS 
MORNING FOR ARANSAS, SOUTHEASTERN REFUGIO AND SOUTHWESTERN CALHOUN 
COUNTIES...

At 636 AM CDT, Doppler radar indicated heavy rain across the warned 
area. Between 4 and 9 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 heavy rain.

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...
  Rockport, Lamar, Holiday Beach, Copano Village, Key Allegro, 
  Aransas National Wildlife Refuge, Palm Harbor, Fulton and Austwell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 2814 9716 2829 9715 2842 9686 2821 9666
      2820 9666 2787 9702 2788 9703 2792 9708
      2799 9716 2800 9717

FLASH FLOOD...RADAR INDICATED

$$

EMF

236 
WGUS54 KCRP 081202
FFWCRP
TXC007-057-391-081515-
/O.EXT.KCRP.FF.W.0045.000000T0000Z-210708T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Corpus Christi has extended the

* Flash Flood Warning for...
  Aransas County in south central Texas...
  Southeastern Refugio County in south central Texas...
  Southwestern Calhoun County in south Texas...

* Until 1015 AM CDT.

* At 702 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 5 and 10 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 3 inches are 
  possible in the warned area. Flash flooding is already occurring.

  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...
  Rockport, Lamar, Holiday Beach, Copano Village, Key Allegro, 
  Aransas National Wildlife Refuge, Palm Harbor, Fulton and Austwell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 2814 9716 2829 9715 2842 9686 2821 9666
      2820 9666 2787 9702 2788 9703 2792 9708
      2799 9716 2800 9717

FLASH FLOOD...RADAR INDICATED

$$

EMF

582 
WGUS54 KCRP 081500
FFWCRP
TXC007-057-391-081645-
/O.EXT.KCRP.FF.W.0045.000000T0000Z-210708T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
1000 AM CDT Thu Jul 8 2021

The National Weather Service in Corpus Christi has extended the

* Flash Flood Warning for...
  Aransas County in south central Texas...
  Southeastern Refugio County in south central Texas...
  Southwestern Calhoun County in south Texas...

* Until 1145 AM CDT.

* At 1000 AM CDT, local law enforcement reported heavy rain across 
  the warned area. Between 1 and 4 inches of rain have fallen in the 
  past 12 hours. Additional rainfall amounts of 1 to 3 inches are 
  possible in the warned area. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by heavy rain.

  SOURCE...Law enforcement reported.

  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...
  Rockport, Lamar, Holiday Beach, Copano Village, Key Allegro, 
  Aransas National Wildlife Refuge, Palm Harbor, Fulton and Austwell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 2814 9716 2829 9715 2842 9686 2821 9666
      2820 9666 2787 9702 2788 9703 2792 9708
      2799 9716 2800 9717

FLASH FLOOD...OBSERVED

$$

EMF

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, 4:28 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, 5:52 PM CDT	Flash Flood Warning	CRP	Bee, Live Oak, Nueces, San Patricio	3 hr
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.