Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 69, NWS Corpus Christi, TX

October 1, 20214 counties in Texas

NWS Corpus Christi, TX issued this flash flood warning at Oct 1, 2021, 9:46 AM CDT for 4 counties in Texas. It was in force for 98 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Oct 1, 2021, 9:46 AM CDT (14:46 UTC)
Expired: Oct 1, 2021, 11:24 AM CDT
In force: 98 min
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Flood severity: None

Counties Bee County, TX, Jim Wells County, TX, Live Oak County, TX, San Patricio County, TX

The radar

The Corpus Christi radar (KCRP), 59 km from the middle of the area, began a volume at 14:47 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, 2.8 hours before the alert went out and 252 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: 2086 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 809 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: -12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

324 
WGUS54 KCRP 011446
FFWCRP
TXC025-249-297-409-011645-
/O.NEW.KCRP.FF.W.0069.211001T1446Z-211001T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
946 AM CDT Fri Oct 1 2021

The National Weather Service in Corpus Christi has issued a

* Flash Flood Warning for...
  Southwestern Bee County in south central Texas...
  North Central Jim Wells County in south central Texas...
  Southeastern Live Oak County in south central Texas...
  Northwestern San Patricio County in south central Texas...

* Until 1145 AM CDT.

* At 946 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 5 inches of rain 
  have fallen. Additional rainfall amounts up to 3 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...
  Mathis, Lake City, Midway, Lagarto, Mount Lucas, Dinero, Argenta, 
  Westdale, Tynan, Lakeside, Pernitas Point and Lake Corpus Christi.

This includes the following streams and drainages...
  Papalote Creek, Charquitas Creek, Gilden Creek, Aquilla Creek, 
  Sixmile Creek, Longoria Creek, Javelin Creek, Paisano Creek, 
  Lagarto Creek, Olmos Creek, Quinta Creek, Agua Dulce Creek, 
  Ramirena Creek and Nueces River.

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 2806 9814 2818 9811 2826 9802 2821 9783
      2819 9773 2805 9788 2801 9791 2795 9808
      2806 9813

FLASH FLOOD...RADAR INDICATED

$$

EMF

2 follow-up statements

280 
WGUS74 KCRP 011544
FFSCRP

Flash Flood Statement
National Weather Service Corpus Christi TX
1044 AM CDT Fri Oct 1 2021

TXC025-249-297-409-011645-
/O.CON.KCRP.FF.W.0069.000000T0000Z-211001T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bee TX-Jim Wells TX-Live Oak TX-San Patricio TX-
1044 AM CDT Fri Oct 1 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT THIS 
MORNING FOR SOUTHWESTERN BEE, NORTH CENTRAL JIM WELLS, SOUTHEASTERN 
LIVE OAK AND NORTHWESTERN SAN PATRICIO COUNTIES...

At 1044 AM CDT, Doppler radar indicated thunderstorms producing 
heavy rain across the warned area. Between 2 and 5 inches of rain 
have fallen. Additional rainfall amounts up to 0.5 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...
  Mathis, Lake City, Lagarto, Mount Lucas, Dinero, Argenta, Tynan, 
  Lakeside, Lake Corpus Christi and Pernitas Point.

This includes the following streams and drainages...
  Papalote Creek, Nueces River, Aquilla Creek, Sixmile Creek, 
  Paisano Creek, Lagarto Creek, Olmos Creek, Longoria Creek, 
  Ramirena Creek and Charquitas Creek.

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 2806 9810 2818 9811 2824 9802 2821 9783
      2819 9773 2805 9788 2803 9791 2803 9796
      2806 9809

FLASH FLOOD...RADAR INDICATED

$$

EMF

810 
WGUS74 KCRP 011624
FFSCRP

Flash Flood Statement
National Weather Service Corpus Christi TX
1124 AM CDT Fri Oct 1 2021

TXC025-249-297-409-011634-
/O.CAN.KCRP.FF.W.0069.000000T0000Z-211001T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bee TX-Jim Wells TX-Live Oak TX-San Patricio TX-
1124 AM CDT Fri Oct 1 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHWESTERN BEE, NORTH 
CENTRAL JIM WELLS, SOUTHEASTERN LIVE OAK AND NORTHWESTERN SAN 
PATRICIO COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. However, additional rainfall up to an inch remains possible. 
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.

LAT...LON 2806 9810 2818 9811 2824 9802 2821 9783
      2819 9773 2805 9788 2803 9791 2803 9796
      2806 9809

$$

EMF

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 30, 7:09 PM CDT	River Flood Warning	CRP	Nueces	62 hr
Sep 30, 7:20 PM CDT	Special Weather Statement	CRP	Webb	25 min
Oct 1, 2:21 AM CDT	Special Weather Statement	CRP	Bee	24 min
Oct 1, 2:26 AM CDT	Special Weather Statement	CRP	Nueces	34 min
Oct 1, 3:07 AM CDT	Flood Watch	CRP	Jim Wells, Kleberg, Nueces, San Patricio	6 min
Oct 1, 3:17 AM CDT	Flash Flood Watch	CRP	Jim Wells, Kleberg, Nueces, San Patricio	36 hr
Oct 1, 3:27 AM CDT	Special Weather Statement	CRP	Refugio	33 min
Oct 1, 4:07 AM CDT	Special Marine Warning	CRP		38 min
Oct 1, 4:17 AM CDT	Areal Flood Advisory	CRP	Bee, Refugio, San Patricio	118 min
Oct 1, 4:27 AM CDT	Special Weather Statement	CRP	Aransas, Refugio	33 min
Oct 1, 4:41 AM CDT	Special Weather Statement	CRP	San Patricio	34 min
Oct 1, 4:56 AM CDT	Special Marine Warning	CRP		12 min
Oct 1, 5:26 AM CDT	Special Weather Statement	CRP	Nueces, San Patricio	49 min
Oct 1, 5:31 AM CDT	Special Marine Warning	CRP		59 min
Oct 1, 5:32 AM CDT	Areal Flood Advisory	CRP	Kleberg, Nueces, San Patricio	4 hr
Oct 1, 6:06 AM CDT	Special Marine Warning	CRP		24 min
Oct 1, 6:21 AM CDT	Special Weather Statement	CRP	Nueces, San Patricio	39 min
Oct 1, 6:26 AM CDT	Special Marine Warning	CRP		34 min
Oct 1, 6:31 AM CDT	Areal Flood Advisory	CRP	Aransas, Bee, Live Oak, Nueces, Refugio, San Patricio	3 hr
Oct 1, 6:42 AM CDT	Special Marine Warning	CRP		33 min
Oct 1, 6:48 AM CDT	Flash Flood Warning	CRP	Jim Wells, Nueces, San Patricio	3 hr
Oct 1, 7:15 AM CDT	Special Marine Warning	CRP		30 min
Oct 1, 8:44 AM CDT	River Flood Warning	CRP	Jim Wells, Nueces, San Patricio	13 hr
Oct 1, 8:49 AM CDT	River Flood Warning	CRP	Nueces, San Patricio	12 hr
Oct 1, 8:59 AM CDT	Special Marine Warning	CRP		46 min
Oct 1, 9:21 AM CDT	Areal Flood Advisory	CRP	Aransas, Kleberg, Nueces, San Patricio	5 hr
Oct 1, 10:24 AM CDT	Special Marine Warning	CRP		51 min
Oct 1, 10:38 AM CDT	Flash Flood Warning	CRP	Kleberg	3 hr

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.