Alert archive / Texas / Flash Flood Warnings in 2012

Flash Flood Warning 7, NWS Corpus Christi, TX

April 15, 2012Goliad County, Texas

NWS Corpus Christi, TX issued this flash flood warning at Apr 15, 2012, 5:39 PM CDT for Goliad County, Texas. It was in force for 2 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
Apr 15, 2012, 5:39 PM CDT (22:39 UTC)
Expired
Apr 15, 2012, 8:03 PM CDT
In force
2 hr
Issued by
NWS Corpus Christi, TX
Area
Storm-based polygon
Flood severity
None

County Goliad County, TX

The radar

The Austin/San Antonio radar (KEWX), 114 km from the middle of the area, began a volume at 22:40 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 12:00Z, 10.7 hours before the alert went out and 122 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 2012-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1700 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 2012-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 224 square meters per square second.19395878Sfc1 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
1700 J/kg
Mixed-layer CIN
-292 J/kg
Mixed-layer LCL
780 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
224 m²/s²
0-3 km storm-relative helicity
447 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

211 
WGUS54 KCRP 152239
FFWCRP
TXC175-160145-
/O.NEW.KCRP.FF.W.0007.120415T2239Z-120416T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
539 PM CDT SUN APR 15 2012

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL GOLIAD COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 845 PM CDT

* AT 537 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  DOPPLER RADAR ESTIMATED OVER 2 1/2 INCHES OVER THE CHARCO CREEK    
  AREA. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING TO OCCUR.
  SOME CITIES AND TOWNS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ANDER...CHARCO...WEESATCHE AND WESER. SOME CREEKS THAT WILL        
  EXPERIENCE FLOODING INCLUDE...CHARCO CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

&&

LAT...LON 2892 9738 2890 9737 2890 9734 2888 9731
      2885 9730 2883 9731 2865 9743 2858 9767
      2876 9766 2893 9742

$$

GW
2 follow-up statements
627 
WGUS74 KCRP 152306
FFSCRP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
606 PM CDT SUN APR 15 2012

TXC175-160145-
/O.CON.KCRP.FF.W.0007.000000T0000Z-120416T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GOLIAD-
606 PM CDT SUN APR 15 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR
CENTRAL GOLIAD COUNTY...

AT 603 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE HEAVY RAIN OVER THE WARNED AREA. DOPPLER RADAR ESTIMATED 3 
TO 4 INCHES OF RAIN OVER NORTHERN GOLIAD COUNTY ABOUT 5 MILES EAST 
OF CHARCO...BETWEEN HIGHWAY 239 AND HIGHWAY 884.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ANDER...
CHARCO...WEESATCHE AND WESER. SOME CREEKS THAT WILL EXPERIENCE 
FLOODING INCLUDE...MANAHUILLA CREEK...CHARCO CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA. THE STORMS ARE STARTING TO MOVE NOW MORE TOWARD THE 
EAST AND NORTHEAST. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 2892 9738 2890 9737 2890 9734 2888 9731
      2885 9730 2883 9731 2865 9743 2858 9767
      2876 9766 2893 9742

$$

GW
474 
WGUS74 KCRP 160103
FFSCRP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
803 PM CDT SUN APR 15 2012

TXC175-160113-
/O.CAN.KCRP.FF.W.0007.000000T0000Z-120416T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GOLIAD-
803 PM CDT SUN APR 15 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL GOLIAD
COUNTY...

THE STORMS HAVE MOVED OUT OF THE AREA AND NO FLOODING WAS 
REPORTED...SO THE WARNING HAS BEEN CANCELLED.

LAT...LON 2892 9738 2890 9737 2890 9734 2888 9731
      2885 9730 2883 9731 2865 9743 2858 9767
      2876 9766 2893 9742

$$

GW

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 4:07 AM CDTWind AdvisoryCRPAransas, Bee, Calhoun, Goliad, Jim Wells, Kleberg and 5 more8 hr
Apr 15, 5:15 PM CDTSevere Thunderstorm WarningCRPGoliad45 min
Apr 15, 5:59 PM CDTSevere Thunderstorm WarningCRPGoliad52 min
Apr 15, 6:36 PM CDTSevere Thunderstorm WarningCRPGoliad, Victoria54 min

Nearby

Flash Flood Warnings in Texas, 2012Every flash flood warning in 2012

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.