Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 68, NWS Corpus Christi, TX

October 1, 2021Jim Wells County, Nueces County, San Patricio County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Oct 1, 2021, 6:48 AM CDT for Jim Wells County, Nueces County, San Patricio County, Texas. It was in force for 3 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
Oct 1, 2021, 6:48 AM CDT (11:48 UTC)
Expired
Oct 1, 2021, 10:00 AM CDT
In force
3 hr
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon
Flood severity
None

Counties Jim Wells County, TX, Nueces County, TX, San Patricio County, TX

The radar

The Corpus Christi radar (KCRP), 7 km from the middle of the area, began a volume at 11:48 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
Oct 1, 7:01 AM CDTFLASH FLOOD2 Ne Cc Airport, TXCORN PRODUCTS RD. NORTHBOUND FLOODED.
Oct 1, 7:30 AM CDTFLASH FLOOD3 Wnw Corpus Christi, TXFLOODED WATERS UP TO CAR BUMPER IS SHOWN IN TWITTER VIDEO AT LOUIS LYNCH DR AND IH-37.

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, 11.8 hours before the alert went out and 12 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 00:00Z on 2021-10-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1197 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 00:00Z on 2021-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.193958Sfc1 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
1197 J/kg
Mixed-layer CIN
-141 J/kg
Mixed-layer LCL
1039 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
5 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

772 
WGUS54 KCRP 011148
FFWCRP
TXC249-355-409-011500-
/O.NEW.KCRP.FF.W.0068.211001T1148Z-211001T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
Issued by National Weather Service Austin/San Antonio TX
648 AM CDT Fri Oct 1 2021

The National Weather Service in Corpus Christi has issued a

* Flash Flood Warning for...
  Eastern Jim Wells County in south central Texas...
  Central Nueces County in south central Texas...
  Central San Patricio County in south central Texas...

* Until 1000 AM CDT.

* At 648 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 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...
  Corpus Christi, Portland, Robstown, Sinton, Taft, Corpus Christi 
  International Airport, Ingleside, Odem, Gregory, Ingleside On The 
  Bay, San Patricio, Clarkwood, Annaville, Del Mar College West 
  Campus, Corpus Christi North Beach, Downtown Corpus Christi, Del 
  Mar College East Campus, Cole Park, Calallen and Driscoll 
  Childrens Hospital.

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.

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

&&

LAT...LON 2798 9788 2810 9777 2803 9732 2784 9720
      2765 9720 2759 9720 2759 9723 2759 9724
      2759 9747

FLASH FLOOD...RADAR INDICATED

$$
3 follow-up statements
929 
WGUS74 KCRP 011225
FFSCRP

Flash Flood Statement
National Weather Service Corpus Christi TX
Issued by National Weather Service Austin/San Antonio TX
725 AM CDT Fri Oct 1 2021

TXC249-355-409-011500-
/O.CON.KCRP.FF.W.0068.000000T0000Z-211001T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jim Wells TX-Nueces TX-San Patricio TX-
725 AM CDT Fri Oct 1 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 10 AM CDT THIS 
MORNING FOR EASTERN JIM WELLS, CENTRAL NUECES AND CENTRAL SAN 
PATRICIO COUNTIES...

At 725 AM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1 and 4 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...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Radar.

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

Some locations that will experience flash flooding include...
  Corpus Christi, Portland, Robstown, Sinton, Taft, Corpus Christi 
  International Airport, Ingleside, Odem, Gregory, Ingleside On The 
  Bay, San Patricio, Clarkwood, Annaville, Del Mar College West 
  Campus, Corpus Christi North Beach, Downtown Corpus Christi, Del 
  Mar College East Campus, Cole Park, Calallen and Driscoll 
  Childrens Hospital.

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.

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

&&

LAT...LON 2798 9788 2810 9777 2803 9732 2784 9720
      2765 9720 2759 9720 2759 9723 2759 9724
      2759 9747

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

$$
030 
WGUS74 KCRP 011433
FFSCRP

Flash Flood Statement
National Weather Service Corpus Christi TX
933 AM CDT Fri Oct 1 2021

TXC249-355-409-011500-
/O.CON.KCRP.FF.W.0068.000000T0000Z-211001T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jim Wells TX-Nueces TX-San Patricio TX-
933 AM CDT Fri Oct 1 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 10 AM CDT THIS 
MORNING FOR EASTERN JIM WELLS, CENTRAL NUECES AND CENTRAL SAN 
PATRICIO COUNTIES...

At 933 AM CDT, emergency management reported thunderstorms producing 
heavy rain across the warned area. Between 1 and 5 inches of rain 
have fallen. Additional rainfall amounts up to 1 inch are possible 
in the warned area. Flash flooding is ongoing. Additional rainfall 
is possible after warning expiration.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Emergency management 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...
  Corpus Christi, Portland, Robstown, Sinton, Taft, Corpus Christi 
  International Airport, Ingleside, Odem, Gregory, Ingleside On The 
  Bay, San Patricio, Clarkwood, Annaville, Del Mar College West 
  Campus, Corpus Christi North Beach, Downtown Corpus Christi, Del 
  Mar College East Campus, Cole Park, Calallen and Driscoll 
  Childrens Hospital.

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 2798 9788 2810 9777 2803 9732 2784 9720
      2765 9720 2759 9720 2759 9723 2759 9724
      2759 9747

FLASH FLOOD...OBSERVED

$$

EMF
141 
WGUS74 KCRP 011458
FFSCRP

Flash Flood Statement
National Weather Service Corpus Christi TX
958 AM CDT Fri Oct 1 2021

TXC249-355-409-011508-
/O.EXP.KCRP.FF.W.0068.000000T0000Z-211001T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jim Wells TX-Nueces TX-San Patricio TX-
958 AM CDT Fri Oct 1 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 10 AM CDT THIS MORNING FOR 
EASTERN JIM WELLS, CENTRAL NUECES AND CENTRAL SAN PATRICIO 
COUNTIES...

Flood waters have receded. The heavy rain has ended for now. 
However, additional rainfall is expected through the afternoon. 
Please continue to heed remaining road closures.

A Flash Flood Watch remains in effect until 1000 PM CDT Friday for a 
portion of south Texas. A Flood Advisory remains in effect until 
1115 AM CDT for portions of the currently warned area.

LAT...LON 2798 9788 2810 9777 2803 9732 2784 9720
      2765 9720 2759 9720 2759 9723 2759 9724
      2759 9747

$$

EMF

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 30, 7:09 PM CDTRiver Flood WarningCRPNueces62 hr
Sep 30, 7:20 PM CDTSpecial Weather StatementCRPWebb25 min
Oct 1, 2:21 AM CDTSpecial Weather StatementCRPBee24 min
Oct 1, 2:26 AM CDTSpecial Weather StatementCRPNueces34 min
Oct 1, 3:07 AM CDTFlood WatchCRPJim Wells, Kleberg, Nueces, San Patricio6 min
Oct 1, 3:17 AM CDTFlash Flood WatchCRPJim Wells, Kleberg, Nueces, San Patricio36 hr
Oct 1, 3:27 AM CDTSpecial Weather StatementCRPRefugio33 min
Oct 1, 4:07 AM CDTSpecial Marine WarningCRP38 min
Oct 1, 4:17 AM CDTAreal Flood AdvisoryCRPBee, Refugio, San Patricio118 min
Oct 1, 4:27 AM CDTSpecial Weather StatementCRPAransas, Refugio33 min
Oct 1, 4:41 AM CDTSpecial Weather StatementCRPSan Patricio34 min
Oct 1, 4:56 AM CDTSpecial Marine WarningCRP12 min
Oct 1, 5:26 AM CDTSpecial Weather StatementCRPNueces, San Patricio49 min
Oct 1, 5:31 AM CDTSpecial Marine WarningCRP59 min
Oct 1, 5:32 AM CDTAreal Flood AdvisoryCRPKleberg, Nueces, San Patricio4 hr
Oct 1, 6:06 AM CDTSpecial Marine WarningCRP24 min
Oct 1, 6:21 AM CDTSpecial Weather StatementCRPNueces, San Patricio39 min
Oct 1, 6:26 AM CDTSpecial Marine WarningCRP34 min
Oct 1, 6:31 AM CDTAreal Flood AdvisoryCRPAransas, Bee, Live Oak, Nueces, Refugio, San Patricio3 hr
Oct 1, 6:42 AM CDTSpecial Marine WarningCRP33 min
Oct 1, 7:15 AM CDTSpecial Marine WarningCRP30 min
Oct 1, 8:44 AM CDTRiver Flood WarningCRPJim Wells, Nueces, San Patricio13 hr
Oct 1, 8:49 AM CDTRiver Flood WarningCRPNueces, San Patricio12 hr
Oct 1, 8:59 AM CDTSpecial Marine WarningCRP46 min
Oct 1, 9:21 AM CDTAreal Flood AdvisoryCRPAransas, Kleberg, Nueces, San Patricio5 hr
Oct 1, 9:46 AM CDTFlash Flood WarningCRPBee, Jim Wells, Live Oak, San Patricio98 min
Oct 1, 10:24 AM CDTSpecial Marine WarningCRP51 min
Oct 1, 10:38 AM CDTFlash Flood WarningCRPKleberg3 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.