Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 41, NWS Brownsville, TX

October 24, 2002Kenedy County, Texas

NWS Brownsville, TX issued this flash flood warning at Oct 24, 2002, 8:19 PM CDT for Kenedy County, Texas. It was in force for 41 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 24, 2002, 8:19 PM CDT (01:19 UTC)
Expired
Oct 24, 2002, 9:00 PM CDT
In force
41 min
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

County Kenedy County, TX

The radar

The Brownsville radar (KBRO), 91 km from the middle of the area, began a volume at 01:20 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 00:00Z, 1.3 hours before the alert went out and 93 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, Brownsville Intl, TX at 00:00Z on 2002-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1499 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, Brownsville Intl, TX at 00:00Z on 2002-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
1499 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBRO 250119
FFWBRO
TXC261-250200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
815 PM CDT THU OCT 24 2002

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

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

* UNTIL 900 PM CDT

* AT 810 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF      
  THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER SOUTHERN KENEDY        
  COUNTY. DOPPLER RADAR ESTIMATED THAT THESE STORMS MAY PRODUCE      
  HOURLY RAINFALL RATES BETWEEN 1.5 AND 3 INCHES.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE        
  FLASH FLOODING TO OCCUR.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL 
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND 
ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

LAT...LON 2682 9790 2661 9790 2660 9767 2661 9752
          2660 9739 2682 9743
1 follow-up statement
000 
WGUS74 KBRO 250200
FFSBRO
TXC261-250300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
858 PM CDT THU OCT 24 2002

...THE FLASH FLOOD WARNING IN EFFECT FOR SOUTHERN KENEDY COUNTY WILL 
EXPIRE AT 900 PM CDT...

THE HEAVY RAIN HAS ENDED OVER THE WARNED AREA. WATER IN ARROYOS OR 
LOW SPOTS IS BEGINNING TO RECEDE...ENDING THE FLASH FLOODING THREAT. 
EVEN THOUGH THESE WATER LEVELS ARE NOW FALLING...SOME ROADWAYS 
MAY STILL BE COVERED WITH WATER. MOTORISTS ARE ADVISED TO AVOID 
DRIVING THROUGH FLOODED ROADWAYS.

LAT...LON 2675 9778 2662 9779 2662 9692 2676 9720

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 7:01 PM CDTSevere Thunderstorm WarningBROCameron67 days
Oct 24, 7:20 PM CDTSpecial Marine WarningBRO55 min
Oct 24, 7:20 PM CDTSpecial Marine WarningBRO55 min
Oct 24, 7:57 PM CDTFlash Flood WarningBROCameron2 hr
Oct 24, 8:20 PM CDTSpecial Marine WarningBRO55 min
Oct 24, 9:18 PM CDTSpecial Marine WarningBRO27 min
Oct 24, 9:18 PM CDTSpecial Marine WarningBRO57 min
Oct 24, 9:18 PM CDTSpecial Marine WarningBRO57 min
Oct 24, 9:18 PM CDTSpecial Marine WarningBRO27 min
Oct 24, 10:05 PM CDTFlash Flood WarningBROCameron115 min
Oct 25, 12:12 AM CDTFlash Flood WarningBROCameron3 hr
Oct 25, 2:59 AM CDTSpecial Marine WarningBRO61 min
Oct 25, 9:56 AM CDTSpecial Marine WarningBRO3 hr

Nearby

Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002

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.