Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 30, NWS San Angelo, TX

October 17, 2000Taylor County, Texas

NWS San Angelo, TX issued this flash flood warning at Oct 17, 2000, 10:46 AM CDT for Taylor County, Texas. It was in force for 119 min. 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 17, 2000, 10:46 AM CDT (15:46 UTC)
Expired
Oct 17, 2000, 12:45 PM CDT
In force
119 min
Issued by
NWS San Angelo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Taylor County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 3.8 hours before the alert went out and 228 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 2000-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1777 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, Midland Regional, TX at 12:00Z on 2000-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
1777 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
603 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
129 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 
WGUS54 KSJT 171549
FFWSJT
TXC441-171745-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
1046 AM CDT TUE OCT 17 2000

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  TAYLOR COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 1245 PM CDT

* AT 1043 AM CDT...LAW ENFORCEMENT OFFICERS REPORTED FLASH FLOODING 
AT PINE STREET UNDERPASS IN ABILENE.  SEVERAL OTHER UNDERPASSES IN 
THE CITY ARE REPORTED FLOODED AND IMPASSABLE. THE CEDAR CREEK AREA 
IS REPORTING FLOODING.

* RAINFALL TOTALING OVER 2 INCHES HAS FALLEN IN THE WARNED AREA.

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 3242 9992 3229 9976 3240 9969 3247 9987

15

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this flash flood warning went out at Oct 17, 9:28 AM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, Oct 17, 9:28 AM CDT, 1 hour 18 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
928 AM CDT TUE OCT 17 2000

TWO LINES OF NUMEROUS SHOWERS AND STORMS CONTINUE TO CONVERGE FROM THE NORTHWEST
AND THE SOUTHWEST ON THE CONCHO VALLEY.  HAVE UPDATED ZONES TO REFLECT SHOWERS
AND THUNDERSTORMS FOR MOST OF THE DAY THROUGHOUT ALL OF WEST CENTRAL TEXAS.
ISSUED A SMALL STREAM FLOOD ADVISORY FOR CROCKETT COUNTY.

.SJT...NONE.

15

In the hours before

Special weather statement, Oct 17, 5:45 AM CDT, 5 hours 1 minute before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-171440-

WEST CENTRAL TEXAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
545 AM CDT TUE OCT 17 2000

...SCATTERED THUNDERSTORMS ARE POSSIBLE ACROSS MOST OF WEST CENTRAL
TEXAS TODAY AND TONIGHT...

SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE ACROSS MOST OF
WEST CENTRAL TEXAS TODAY...MAINLY WEST OF A BROWNWOOD MASON LINE.  AN
UPPER LEVEL STORM SYSTEM WILL DRIFT SOUTH ACROSS NEW MEXICO TODAY.
DISTURBANCES FROM THIS SYSTEM WILL INTERACT WITH ABUNDANT MOISTURE
OVER WEST TEXAS TO HELP GENERATE SCATTERED SHOWERS AND THUNDERSTORMS
TODAY.

UPPER LEVEL DYNAMICS ARE NOT FAVORABLE FOR SEVERE THUNDERSTORM
DEVELOPMENT.  SOME OF THE STRONGER THUNDERSTORMS COULD APPROACH
SEVERE CRITERIA...HOWEVER THESE STORMS WILL REMAIN ISOLATED. GUSTY
WINDS NEAR 45 MPH AND SMALL HAIL ARE LIKELY IN THE STRONGEST
THUNDERSTORMS.

SPOTTER ACTIVATION IS NOT ANTICIPATED..

THIS OUTLOOK WILL RESUME SCHEDULED ISSUANCE ON MARCH 15 2001.
HOWEVER... THIS OUTLOOK WILL CONTINUE TO BE ISSUED AS NEEDED WHEN
THUNDERSTORMS THREATEN WEST CENTRAL TEXAS.

20

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 10:17 AM CDTSevere Thunderstorm WarningSJTTaylor28 min
Oct 17, 12:37 PM CDTFlash Flood WarningSJTTaylor3 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.