Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 3, NWS Brownsville, TX

June 15, 2003Kenedy County, Texas

NWS Brownsville, TX issued this flash flood warning at Jun 15, 2003, 11:55 AM CDT for Kenedy 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
Jun 15, 2003, 11:55 AM CDT (16:55 UTC)
Expired
Jun 15, 2003, 3:00 PM CDT
In force
3 hr
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

County Kenedy County, TX

The radar

The Corpus Christi radar (KCRP), 87 km from the middle of the area, began a volume at 16:54 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, 4.9 hours before the alert went out and 85 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 2003-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2701 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 2003-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 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
2701 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
738 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
-28 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBRO 151658
FFWBRO
TXC261-152000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1155 AM CDT SUN JUN 15 2003

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KENEDY COUNTY IN DEEP SOUTH TEXAS

* UNTIL 300 PM CDT

* AT 1154 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS ALL        
  OF KENEDY COUNTY. DOPPLER RADAR ESTIMATED AROUND 2 INCHES          
  OF RAINFALL HAS BEEN RECEIVED DURING THE PAST HOUR. THIS AREA      
  HAS ALREADY RECEIVED 3 TO 5 INCHES OF RAINFALL DURING THE PAST     
  FEW DAYS...AND LITTLE ADDITIONAL RAINFALL IS NEEDED TO CREATE      
  FLASH FLOODING.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
  FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING   
INCLUDE...SARITA AND HIGHWAY 77 IN KENEDY COUNTY.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE 
WARNED AREA THIS AFTERNOON...WITH MORE THUNDERSTORMS IN THE FORECAST 
FOR TONIGHT.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 2724 9745 2664 9745 2667 9789 2726 9795

$$

PHILO
1 follow-up statement
000 
WGUS74 KBRO 151808
FFSBRO
TXC261-151900-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
110 PM CDT SUN JUN 15 2003

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR KENEDY COUNTY HAS 
BEEN CANCELLED...

EXCESS RUNOFF FROM THE HEAVY RAIN PRODUCING THUNDERSTORMS HAS ENDED 
OVER THE WARNED AREA. STREAMS AND CREEKS IN THE WARNED AREA HAVE 
RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF 
FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW 
ENFORCEMENT AGENCY.

LAT...LON 2724 9745 2664 9745 2667 9789 2726 9795

$$

PHILO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 10:16 AM CDTSpecial Marine WarningBRO44 min
Jun 15, 11:00 AM CDTSpecial Marine WarningBRO60 min
Jun 15, 12:38 PM CDTSevere Thunderstorm WarningBROKenedy, Willacy37 min
Jun 15, 12:51 PM CDTFlash Flood WarningBROWillacy3 hr
Jun 15, 1:20 PM CDTSevere Thunderstorm WarningBROCameron, Willacy40 min
Jun 15, 1:28 PM CDTTornado WarningBROCameron, Willacy32 min
Jun 15, 1:58 PM CDTFlash Flood WarningBROCameron3 hr
Jun 15, 2:10 PM CDTSevere Thunderstorm WarningBROCameron50 min
Jun 15, 2:30 PM CDTSpecial Marine WarningBRO60 min

Nearby

Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003

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.