Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 36, NWS Brownsville, TX

October 22, 2002Brooks County, Kenedy County, Texas

NWS Brownsville, TX issued this flash flood warning at Oct 22, 2002, 8:17 PM CDT for Brooks County, Kenedy County, Texas. It was in force for 118 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 22, 2002, 8:17 PM CDT (01:17 UTC)
Expired
Oct 22, 2002, 10:15 PM CDT
In force
118 min
Issued by
NWS Brownsville, TX
Area
Counties, with a storm outline in the text

Counties Brooks County, TX, Kenedy County, TX

The radar

The Corpus Christi radar (KCRP), 96 km from the middle of the area, began a volume at 01:18 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, 1.3 hours before the alert went out and 102 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 2002-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2192 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 00:00Z on 2002-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
2192 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
529 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
1.2
Supercell composite
5.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KBRO 230117
FFWBRO
TXC047-261-230315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
816 PM CDT TUE OCT 22 2002

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

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

* UNTIL 1015 PM CDT

* AT 816 PM CDT...THE NATIONAL WEATHER SERVICE DOPPLER RADAR IN      
  BROWNSVILLE DETECTED SCATTERED THUNDERSTORMS WITH VERY HEAVY       
  RAINFALL ALONG A LINE EXTENDING FROM 11 MILES WEST OF FALFURRIAS   
  TO SARITA...MOVING NORTH AT 5 TO 10 MPH. DOPPLER RADAR ESTIMATED   
  FROM 2 TO 4 INCHES OF RAIN HAS FALLEN OVER SECTIONS OF NORTHERN    
  BROOKS AND NORTHERN KENEDY COUNTIES SINCE 7 PM.  THE AREAS THAT    
  HAVE RECEIVED THE HEAVIEST RAIN ARE OVER THE NORTHWESTERN CORNERS  
  OF BROOKS AND KENEDY COUNTIES.  

* 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 2695 9841 2690 9756 2726 9746 2728 9843

$$

SPEECE
1 follow-up statement
000 
WGUS74 KBRO 230241
FFSBRO
TXC047-230315-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
940 PM CDT TUE OCT 22 2002

...A FLASH FLOOD WARNING CONTINUES UNTIL 1015 PM CDT FOR NORTHERN 
BROOKS COUNTY...

...THE FLASH FLOOD WARNING FOR NORTHERN KENEDY COUNTY HAS BEEN 
CANCELLED..

AT 940 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN 
BROWNSVILLE INDICATED SCATTERED THUNDERSTORMS WITH VERY HEAVY 
RAINFALL 14 MILES SOUTHWEST OF FALFURRIAS...MOVING SOUTHEAST AT 5 
MPH.

SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH 
FLOODING TO OCCUR. THE LOCATIONS THAT WILL EXPERIENCE FLOODING WILL 
BE MAINLY THE RURAL AREAS OF NORTHERN BROOKS COUNTY ALONG HIGHWAY 
281.  

THE HEAVY RAINFALL HAS DIMINISHED OVER NORTHERN KENEDY COUNTY.  
ACCORDINGLY...THE FLASH FLOOD WARNING FOR THIS COUNTY HAS BEEN 
CANCELLED.  

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.

$$

SPEECE

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 22, 7:07 PM CDTFlash Flood WarningBROHidalgo113 min
Oct 22, 7:25 PM CDTSevere Thunderstorm WarningBROKenedy2 hr
Oct 22, 7:30 PM CDTSpecial Marine WarningBRO2 hr
Oct 22, 7:30 PM CDTSpecial Marine WarningBRO2 hr
Oct 22, 8:38 PM CDTSevere Thunderstorm WarningBROBrooks112 min
Oct 22, 10:07 PM CDTFlash Flood WarningBROBrooks113 min
Oct 22, 10:12 PM CDTSevere Thunderstorm WarningBROZapata45 hr
Oct 23, 4:12 AM CDTSpecial Marine WarningBRO3 hr
Oct 23, 4:12 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.