Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 15, NWS Austin/San Antonio, TX

May 17, 2002Edwards County, Real County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 17, 2002, 6:41 PM CDT for Edwards County, Real County, Texas. It was in force for 109 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
May 17, 2002, 6:41 PM CDT (23:41 UTC)
Expired
May 17, 2002, 8:30 PM CDT
In force
109 min
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Edwards County, TX, Real County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 11.7 hours before the alert went out and 91 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, Del Rio, TX at 12:00Z on 2002-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 292 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, Del Rio, TX at 12:00Z on 2002-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
292 J/kg
Mixed-layer CIN
-526 J/kg
Mixed-layer LCL
1507 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 172341
FFWSAT
TXC137-385-180130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
637 PM CDT FRI MAY 17 2002

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  EDWARDS
  REAL

* UNTIL 830 PM CDT

* AT 637 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
  OVER EASTERN EDWARDS AND NORTHERN REAL COUNTIES MOVING SLOWLY SOUTH.

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL OF 1 TO 2 INCHES PER HOUR
  WILL BE OVER REAL AND EDWARDS COUNTIES FOR THE NEXT COUPLE HOURS.
  
2 TO 3 INCHES OF RAINFALL WILL RUNOFF AND CAUSE FLASH FLOODING OF
SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES...
AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

LAT...LON 3026 10063 2970 10060 2970 9967 3023 9986

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 16, 9:44 PM CDTSevere Thunderstorm WarningEWXVal Verde46 min
May 16, 10:32 PM CDTSevere Thunderstorm WarningEWXVal Verde73 min
May 16, 11:08 PM CDTSevere Thunderstorm WarningEWXEdwards37 min
May 16, 11:42 PM CDTSevere Thunderstorm WarningEWXUvalde63 min
May 17, 3:03 AM CDTSevere Thunderstorm WarningEWXBexar57 min
May 17, 3:47 AM CDTSevere Thunderstorm WarningEWXGuadalupe, Wilson58 min
May 17, 4:26 AM CDTSevere Thunderstorm WarningEWXGonzales64 min
May 17, 4:01 PM CDTSevere Thunderstorm WarningEWXBandera, Kerr59 min
May 17, 4:43 PM CDTFlash Flood WarningEWXBandera, Kerr2 hr
May 17, 4:55 PM CDTSevere Thunderstorm WarningEWXBandera, Medina65 min
May 17, 5:13 PM CDTSevere Thunderstorm WarningEWXEdwards, Kerr, Real62 min
May 17, 5:53 PM CDTSevere Thunderstorm WarningEWXMedina67 min
May 17, 6:47 PM CDTSevere Thunderstorm WarningEWXKinney58 min
May 17, 6:59 PM CDTSevere Thunderstorm WarningEWXUvalde46 min

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.