Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 70, NWS Corpus Christi, TX

October 1, 2021Kleberg County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Oct 1, 2021, 10:38 AM CDT for Kleberg County, 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: Oct 1, 2021, 10:38 AM CDT (15:38 UTC)
Expired: Oct 1, 2021, 1:45 PM CDT
In force: 3 hr
Issued by: NWS Corpus Christi, TX
Area: Storm-based polygon
Flood severity: None

County Kleberg County, TX

The radar

The Corpus Christi radar (KCRP), 54 km from the middle of the area, began a volume at 15:41 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, 3.6 hours before the alert went out and 157 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.

103 
WGUS54 KCRP 011538
FFWCRP
TXC273-011845-
/O.NEW.KCRP.FF.W.0070.211001T1538Z-211001T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
1038 AM CDT Fri Oct 1 2021

The National Weather Service in Corpus Christi has issued a

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

* Until 145 PM CDT.

* At 1038 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain 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 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...
  Malaquite Beach.

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 2726 9742 2728 9756 2756 9742 2756 9721
      2725 9731 2725 9735 2728 9735 2728 9736
      2727 9736 2727 9737 2726 9737

FLASH FLOOD...RADAR INDICATED

$$

EMF

2 follow-up statements

849 
WGUS74 KCRP 011705
FFSCRP

Flash Flood Statement
National Weather Service Corpus Christi TX
1205 PM CDT Fri Oct 1 2021

TXC273-011845-
/O.CON.KCRP.FF.W.0070.000000T0000Z-211001T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kleberg TX-
1205 PM CDT Fri Oct 1 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM CDT THIS 
AFTERNOON FOR EASTERN KLEBERG COUNTY...

At 1205 PM CDT, Doppler radar indicated thunderstorms producing 
heavy rain across the warned area. Between 3 and 7.5 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...
  Malaquite Beach.

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 2726 9742 2728 9756 2756 9742 2756 9721
      2725 9731 2725 9735 2728 9735 2728 9736
      2727 9736 2727 9737 2726 9737

FLASH FLOOD...RADAR INDICATED

$$

EMF

377 
WGUS74 KCRP 011844
FFSCRP

Flash Flood Statement
National Weather Service Corpus Christi TX
144 PM CDT Fri Oct 1 2021

TXC273-011854-
/O.EXP.KCRP.FF.W.0070.000000T0000Z-211001T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kleberg TX-
144 PM CDT Fri Oct 1 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 145 PM CDT THIS AFTERNOON FOR 
EASTERN KLEBERG COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. However, a Flood Advisory remains in effect for the area 
through at least 215 PM. 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 2726 9742 2728 9756 2756 9742 2756 9721
      2725 9731 2725 9735 2728 9735 2728 9736
      2727 9736 2727 9737 2726 9737

$$

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, 9:46 AM CDT	Flash Flood Warning	CRP	Bee, Jim Wells, Live Oak, San Patricio	98 min
Oct 1, 10:24 AM CDT	Special Marine Warning	CRP		51 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.