Alert archive / Texas / Flash Flood Warnings in 2017

Flash Flood Warning 13, NWS Corpus Christi, TX

August 25, 2017Aransas County, Refugio County, San Patricio County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Aug 25, 2017, 10:55 PM CDT for Aransas County, Refugio County, San Patricio County, Texas. It was in force for 8 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
Aug 25, 2017, 10:55 PM CDT (03:55 UTC)
Expired
Aug 26, 2017, 6:45 AM CDT
In force
8 hr
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon
Flood severity
None

Counties Aransas County, TX, Refugio County, TX, San Patricio County, TX

The radar

The Corpus Christi radar (KCRP), 39 km from the middle of the area, began a volume at 03:59 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

Corpus Christi, TX (KCRP), launched 00:00Z, 3.9 hours before the alert went out and 28 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 2017-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 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 2017-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1132 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

770 
WGUS54 KCRP 260355
FFWCRP
TXC007-391-409-260845-
/O.NEW.KCRP.FF.W.0013.170826T0355Z-170826T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
1055 PM CDT FRI AUG 25 2017

The National Weather Service in Corpus Christi has issued a

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

* Until 345 AM CDT

* At 1050 PM CDT, Doppler radar indicated heavy rain across the 
  warned area due to dangerous Hurricane Harvey. Up to three to five 
  inches of rain have already fallen and additional rainfall, in 
  combination with storm surge, will inundate much of the warned 
  area. Flash flooding is likely already occurring.

* Some locations that will experience flooding include...
  Portland, Rockport, Port Aransas, Taft, Refugio, Woodsboro, Lamar,
  Ingleside, Aransas Pass, Gregory, Ingleside On The Bay, Bayside,
  Quintana, Palm Harbor, Key Allegro, Copano Village, Bonnie View,
  Holiday Beach, Fulton and Taft Southwest.

Additional rainfall amounts of 2 to 3 inches per hour are possible 
in the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life. The 
impacts from Hurricane Harvey will exacerbate the flooding 
situation! Be especially cautious at night when it is harder to 
recognize the dangers of flooding.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate 
precautions to protect life and property.

&&

LAT...LON 2773 9704 2776 9711 2783 9705 2784 9705
      2783 9710 2783 9707 2782 9707 2780 9710
      2777 9712 2781 9722 2780 9722 2791 9750
      2819 9747 2854 9714 2820 9681

$$

TE
2 follow-up statements
626 
WGUS54 KCRP 260606
FFWCRP
TXC007-391-409-261145-
/O.EXT.KCRP.FF.W.0013.000000T0000Z-170826T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Corpus Christi TX
106 AM CDT SAT AUG 26 2017

The National Weather Service in Corpus Christi has extended the

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

* Until 645 AM CDT

* At 1259 AM CDT, Doppler radar indicated heavy rain across the 
  warned area. Radar estimated 4 to 9 inches of rain have fallen in 
  this area since Friday morning with most of the rainfall 
  occurring Friday night. Flash flooding is already occurring.

* Some locations that will experience flooding include...
  Portland, Rockport, Port Aransas, Taft, Refugio, Woodsboro, Lamar,
  Ingleside, Aransas Pass, Gregory, Ingleside On The Bay, Bayside,
  Quintana, Palm Harbor, Key Allegro, Copano Village, Bonnie View,
  Holiday Beach, Fulton and Taft Southwest.

Additional rainfall amounts of 1 to 2 inches per hour are possible 
in the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 2773 9704 2776 9711 2783 9705 2784 9705
      2783 9710 2783 9707 2782 9707 2780 9710
      2777 9712 2781 9722 2780 9722 2791 9750
      2819 9747 2854 9714 2820 9681

$$

TE
866 
WGUS74 KCRP 260752
FFSCRP

Flash Flood Statement
National Weather Service Corpus Christi TX
252 AM CDT SAT AUG 26 2017

TXC007-391-409-261145-
/O.CON.KCRP.FF.W.0013.000000T0000Z-170826T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Aransas TX-San Patricio TX-Refugio TX-
252 AM CDT SAT AUG 26 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
ARANSAS...EASTERN SAN PATRICIO AND REFUGIO COUNTIES...

At 247 AM CDT, Doppler radar indicated heavy rain across the warned 
area associated with Hurricane Harvey. Radar estimated an additional 
1 to 2 inches of rain have fallen since 1 AM CDT. Flash flooding is 
already occurring.

Some locations that will experience flooding include...
Portland, Rockport, Port Aransas, Taft, Refugio, Woodsboro, Lamar,
Ingleside, Aransas Pass, Gregory, Ingleside On The Bay, Bayside,
Quintana, Palm Harbor, Key Allegro, Copano Village, Bonnie View,
Holiday Beach, Fulton and Taft Southwest.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 2773 9704 2776 9711 2783 9705 2784 9705
      2783 9710 2783 9707 2782 9707 2780 9710
      2777 9712 2781 9722 2780 9722 2791 9750
      2819 9747 2854 9714 2820 9681

$$

TE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 8:47 PM CDTExtreme Wind WarningCRPAransas, Calhoun, Refugio, San Patricio3 hr
Aug 25, 11:46 PM CDTExtreme Wind WarningCRPAransas, Refugio, San Patricio119 min
Aug 26, 2:27 AM CDTFlash Flood WarningCRPBee, Goliad, Refugio, Victoria5 hr
Aug 26, 2:31 AM CDTFlash Flood WarningCRPAransas, Refugio, Victoria5 hr
Aug 26, 10:54 AM CDTFlash Flood WarningCRPVictoria3 hr
Aug 26, 1:07 PM CDTAreal Flood WarningCRPAransas, Refugio6 hr
Aug 26, 2:02 PM CDTAreal Flood WarningCRPGoliad, Refugio, Victoria3 hr

Nearby

Flash Flood Warnings in Texas, 2017Every flash flood warning in 2017

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.