Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 53, NWS Austin/San Antonio, TX

November 2, 2000Blanco County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Nov 2, 2000, 5:21 PM CST for Blanco 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Nov 2, 2000, 5:21 PM CST (23:21 UTC)
Expired
Nov 2, 2000, 8:15 PM CST
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Blanco County, TX

The radar

The Austin/San Antonio radar (KEWX), 72 km from the middle of the area, began a volume at 23:23 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

Del Rio, TX (KDRT), launched 12:00Z, 11.4 hours before the alert went out and 252 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 2000-11-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 463 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 2000-11-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
463 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
849 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 022322
FFWEWX
TXC031-030215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
521 PM CST THU NOV 2 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BLANCO COUNTY

* UNTIL 815 PM CST

* AT 521 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN 7 MILES NORTHWEST OF BLANCO...MOVING NORTHEAST AT 20 MPH.
  2 TO 3 INCHES HAVE FALLEN SOUTH OF HWY 290 FROM EARLIER STORMS.
  AN ADDITIONAL 2 TO 3 INCHES IS POSSIBLE OVER THE NEXT 2 TO 3
  HOURS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.


LAT...LON 3016 9857 3000 9842 3044 9816 3046 9844

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 2, 2:34 PM CSTSevere Thunderstorm WarningEWXBlanco, Kendall56 min
Nov 2, 2:47 PM CSTSevere Thunderstorm WarningEWXCaldwell, Gonzales58 min
Nov 2, 2:58 PM CSTSevere Thunderstorm WarningEWXBastrop, Travis62 min
Nov 2, 3:27 PM CSTSevere Thunderstorm WarningEWXBlanco, Hays63 min
Nov 2, 3:37 PM CSTSevere Thunderstorm WarningEWXBandera, Kerr53 min
Nov 2, 3:39 PM CSTFlash Flood WarningEWXTravis3 hr
Nov 2, 4:16 PM CSTSevere Thunderstorm WarningEWXHays, Travis59 min
Nov 2, 4:19 PM CSTFlash Flood WarningEWXBandera, Kendall, Kerr3 hr
Nov 2, 4:48 PM CSTTornado WarningEWXKendall, Kerr27 min
Nov 2, 4:51 PM CSTFlash Flood WarningEWXLee3 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; radar from the NEXRAD Level II archive.