Alert archive / Texas / Flash Flood Warnings in 1998

Flash Flood Warning 2, NWS Brownsville, TX

August 16, 1998Zapata County, Texas

NWS Brownsville, TX issued this flash flood warning at Aug 16, 1998, 9:45 PM CDT for Zapata 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 16, 1998, 9:45 PM CDT (02:45 UTC)
Expired
Aug 17, 1998, 12:15 AM CDT
In force
3 hr
Issued by
NWS Brownsville, TX
Area
Whole counties

County Zapata County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 2.8 hours before the alert went out and 198 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 1998-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2783 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 00:00Z on 1998-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
2783 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
1047 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
44 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 KBRO 170245
FFWBRO
TXC505-170515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
945 PM CDT SUN AUG 16 1998

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ZAPATA COUNTY IN SOUTHERN TEXAS UNTIL 1215 AM CDT


NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM
WITH VERY HEAVY RAIN OVER NORTH ZAPATA COUNTY... MOVING ONLY
SLOWLY NORTHEAST.


* UP TO 4 INCHES OF RAIN HAS FALLEN OVER NORTH ZAPATA COUNTY NEAR
  HIGHWAY 3169 THIS EVENING.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

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.