Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 37, NWS Corpus Christi, TX

July 7, 2021Aransas County, Refugio County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Jul 7, 2021, 3:48 PM CDT for Aransas County, Refugio County, Texas. It was in force for 7 hr. 3 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 7, 2021, 3:48 PM CDT (20:48 UTC)
Expired
Jul 7, 2021, 10:45 PM CDT
In force
7 hr
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

Counties Aransas County, TX, Refugio County, TX

The radar

The Corpus Christi radar (KCRP), 82 km from the middle of the area, began a volume at 20:50 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

TimeReportWhereRemark
Jul 7, 3:52 PM CDTFLASH FLOODRockport, TXSOCIAL MEDIA REPORT OF BUILDINGS BEING FLOODED.
Jul 7, 6:42 PM CDTFLASH FLOOD13 Sw Tivoli, TXFM 774 FROM SH 35 TO FM 2678 CLOSED DUE TO HIGH WATER.
Jul 7, 8:34 PM CDTFLASH FLOOD1 Ene Rockport, TXTHE ROCKPORT FIRST PRESBYTERIAN CHURCH HAS AT LEAST 1 FOOT OF WATER GOING UP THE SIDE OF THE BUILDING.

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 12:00Z, 8.8 hours before the alert went out and 75 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-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 2021-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 69 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2021-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
69 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
665 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
-31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

936 
WGUS54 KCRP 072048
FFWCRP
TXC007-391-080030-
/O.NEW.KCRP.FF.W.0037.210707T2048Z-210708T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
348 PM CDT Wed Jul 7 2021

The National Weather Service in Corpus Christi has issued a

* Flash Flood Warning for...
  Aransas County in south central Texas...
  Eastern Refugio County in south central Texas...

* Until 730 PM CDT.

* At 348 PM CDT, Doppler radar and automated rain gauges indicated 
  heavy rain falling across the warned area. Between 3 and 6 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...Life threatening flash flooding. Heavy rain producing
           flash flooding.

  SOURCE...Radar and automated gauges.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Rockport, Lamar, Holiday Beach, Aransas National Wildlife Refuge, 
  Copano Village, Key Allegro, Tivoli, 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 2822 9723 2849 9687 2849 9686 2848 9686
      2848 9685 2831 9671 2825 9672 2818 9680
      2818 9682 2817 9682 2797 9706

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

MCZ
1 follow-up statement
823 
WGUS54 KCRP 072313
FFWCRP
TXC007-391-080345-
/O.EXT.KCRP.FF.W.0037.000000T0000Z-210708T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
613 PM CDT Wed Jul 7 2021

The National Weather Service in Corpus Christi has extended the

* Flash Flood Warning for...
  Aransas County in south central Texas...
  Eastern Refugio County in south central Texas...

* Until 1045 PM CDT.

* At 613 PM CDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing moderate to heavy rain across the warned 
  area. Between 3 and 6 inches of rain have fallen. Additional 
  rainfall amounts of 1 to 3 inches are likely in the warned area 
  through this evening. Flash flooding is already occurring.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar and law enforcement.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Rockport, Lamar, Holiday Beach, Aransas National Wildlife Refuge, 
  Copano Village, Key Allegro, Tivoli, 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 2822 9723 2849 9687 2849 9686 2848 9686
      2848 9685 2831 9671 2825 9672 2818 9680
      2818 9682 2817 9682 2797 9706

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

MCZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 8:10 PM CDTSpecial Marine WarningCRP35 min
Jul 6, 8:12 PM CDTSpecial Weather StatementCRPNueces33 min
Jul 6, 9:33 PM CDTSpecial Weather StatementCRPNueces42 min
Jul 6, 10:05 PM CDTRiver Flood WarningCRPAransas, Refugio11 days
Jul 6, 10:19 PM CDTAreal Flood AdvisoryCRPNueces3 hr
Jul 6, 11:05 PM CDTFlash Flood WarningCRPNueces3 hr
Jul 6, 11:59 PM CDTAreal Flood AdvisoryCRPBee, Refugio, San Patricio3 hr
Jul 7, 1:21 AM CDTAreal Flood AdvisoryCRPAransas, Refugio3 hr
Jul 7, 3:25 AM CDTSpecial Marine WarningCRP65 min
Jul 7, 3:30 AM CDTRiver Flood WarningCRPRefugio7 days
Jul 7, 3:46 AM CDTRiver Flood WarningCRPNueces5 days
Jul 7, 4:26 AM CDTSpecial Marine WarningCRP64 min
Jul 7, 5:00 AM CDTAreal Flood AdvisoryCRPKleberg, Nueces2 hr
Jul 7, 5:56 AM CDTAreal Flood AdvisoryCRPAransas, Refugio2 hr
Jul 7, 6:42 AM CDTFlash Flood WarningCRPAransas, Calhoun2 hr
Jul 7, 7:00 AM CDTFlash Flood WarningCRPAransas, Refugio3 hr
Jul 7, 7:56 AM CDTAreal Flood AdvisoryCRPAransas, Calhoun, Goliad, Refugio, Victoria2 hr
Jul 7, 8:17 AM CDTSpecial Marine WarningCRP28 min
Jul 7, 8:42 AM CDTAreal Flood AdvisoryCRPKleberg, Nueces2 hr
Jul 7, 8:46 AM CDTFlash Flood WarningCRPAransas, Refugio, San Patricio119 min
Jul 7, 9:12 AM CDTFlash Flood WarningCRPAransas, Calhoun, Refugio, Victoria3 hr
Jul 7, 9:34 AM CDTRiver Flood WarningCRPCalhoun, Refugio, Victoria8 days
Jul 7, 9:39 AM CDTFlash Flood WarningCRPCalhoun, Victoria3 hr
Jul 7, 10:48 AM CDTFlash Flood Warning Considerable damage threatCRPAransas, Refugio3 hr
Jul 7, 11:12 AM CDTSpecial Marine WarningCRP14 min
Jul 7, 11:44 AM CDTFlash Flood Warning EmergencyCatastrophic damage threatCRPAransas5 hr
Jul 7, 1:06 PM CDTSpecial Marine WarningCRP54 min
Jul 7, 1:38 PM CDTAreal Flood AdvisoryCRPBee2 hr
Jul 7, 1:49 PM CDTFlash Flood WarningCRPAransas, Refugio116 min
Jul 7, 1:52 PM CDTAreal Flood AdvisoryCRPGoliad, Refugio, Victoria113 min
Jul 7, 2:01 PM CDTAreal Flood AdvisoryCRPAransas, Calhoun, Refugio119 min
Jul 7, 2:32 PM CDTSpecial Marine WarningCRP118 min
Jul 7, 3:25 PM CDTSpecial Marine WarningCRP2 hr
Jul 7, 3:54 PM CDTSpecial Marine WarningCRP2 hr
Jul 7, 4:13 PM CDTAreal Flood AdvisoryCRPJim Wells26 min
Jul 7, 4:22 PM CDTSpecial Marine WarningCRP113 min
Jul 7, 4:39 PM CDTFlash Flood WarningCRPJim Wells81 min
Jul 7, 4:49 PM CDTSpecial Weather StatementCRPJim Wells41 min
Jul 7, 5:59 PM CDTSpecial Marine WarningCRP91 min
Jul 7, 6:48 PM CDTFlash Flood WarningCRPCalhoun, Refugio, Victoria4 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.