Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 49, NWS San Angelo, TX

October 29, 2000Menard County, Texas

NWS San Angelo, TX issued this flash flood warning at Oct 29, 2000, 9:09 AM CST for Menard County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Oct 29, 2000, 9:09 AM CST (15:09 UTC)
Expired
Oct 29, 2000, 11:15 AM CST
In force
2 hr
Issued by
NWS San Angelo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Menard County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 3.2 hours before the alert went out and 205 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 2000-10-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 210 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, Del Rio, TX at 12:00Z on 2000-10-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
210 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
651 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KSJT 291509
FFWSJT
TXC327-291715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
909 AM CST SUN OCT 29 2000

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 1115 AM CST

* AT 907 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER EXTREME NORTHEASTERN MENARD COUNTY...OR ABOUT 11 MILES
  NORTHEAST OF MENARD...MOVING NORTHEAST AT 20 MPH.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THE WATER DEPTH
MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. DO NOT ATTEMPT TO
DRIVE AROUND BARRICADES. MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES.

LAT...LON 3108 10003 3087 10010 3096 9961 3108 9961

12

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 7:37 PM CDTTornado WarningSJTKimble53 min
Oct 28, 7:46 PM CDTSevere Thunderstorm WarningSJTMcCulloch44 min
Oct 28, 8:19 PM CDTSevere Thunderstorm WarningSJTBrown, Coleman56 min
Oct 28, 8:55 PM CDTSevere Thunderstorm WarningSJTKimble35 min
Oct 28, 10:15 PM CDTFlash Flood WarningSJTMenard, Schleicher, Sutton3 hr
Oct 29, 3:44 AM CSTFlash Flood WarningSJTBrown3 hr

Nearby

Flash Flood Warnings in Texas, 2000Every flash flood warning in 2000

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.