Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 122, NWS Austin/San Antonio, TX

August 24, 1998Real County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Aug 24, 1998, 3:57 PM CDT for Real 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 counties it named.

The facts

Issued
Aug 24, 1998, 3:57 PM CDT (20:57 UTC)
Expired
Aug 24, 1998, 7:00 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Real County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 9.0 hours before the alert went out and 327 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, Midland Regional, TX at 12:00Z on 1998-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 257 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 1998-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.1939Sfc1 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
257 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
-7 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.

000 
TTAA00 KSAT 242058
FFWSAT
TXC385-250000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
357 PM CDT MON AUG 24 1998

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A

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

* UNTIL 700 PM CDT

* ALTHOUGH LITTLE RAIN HAS FALLEN IN REAL COUNTY THIS AFTERNOON...
  CREEKS AND STREAMS CONTINUE TO RISE FROM THE RUNOFF EARLIER IN THE
  DAY AND RO"ADS REMAINED CLOSED INCLUDING HWY 337.

* MOTORISTS SHOULD CONTINUE TO EXERCISE CAUTION THROUGH THE LATE
  AFTERNOON AND REMAIN ALERT TO RISING WATER.

* DO NOT DRIVE INTO WATER COVERING THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 7:09 PM CDTFlash Flood WarningEWXEdwards, Kerr, Kinney, Val Verde4 hr
Aug 23, 7:26 PM CDTFlash Flood WarningEWXComal, Kendall3 hr
Aug 23, 10:58 PM CDTFlash Flood WarningEWXEdwards, Kinney, Val Verde3 hr
Aug 24, 12:43 AM CDTFlash Flood WarningEWXEdwards, Kinney, Val Verde8 hr
Aug 24, 4:44 AM CDTFlash Flood WarningEWXUvalde4 hr
Aug 24, 6:32 AM CDTFlash Flood WarningEWXReal4 hr
Aug 24, 8:18 AM CDTFlash Flood WarningEWXEdwards, Kinney, Val Verde6 hr
Aug 24, 8:46 AM CDTFlash Flood WarningEWXUvalde3 hr
Aug 24, 10:20 AM CDTFlash Flood WarningEWXReal6 hr
Aug 24, 11:29 AM CDTFlash Flood WarningEWXUvalde6 hr
Aug 24, 1:57 PM CDTFlash Flood WarningEWXEdwards, Kinney, Val Verde4 hr

Nearby

Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998

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.