Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 71, NWS San Angelo, TX

November 5, 2000San Saba County, Texas

NWS San Angelo, TX issued this flash flood warning at Nov 5, 2000, 7:34 PM CST for San Saba 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 5, 2000, 7:34 PM CST (01:34 UTC)
Expired
Nov 5, 2000, 10:30 PM CST
In force
3 hr
Issued by
NWS San Angelo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County San Saba County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.6 hours before the alert went out and 232 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, Fort Worth, TX at 00:00Z on 2000-11-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Fort Worth, TX at 00:00Z on 2000-11-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
3 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
644 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
125 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 060135
FFWSJT
TXC411-060430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
734 PM CST SUN NOV 5 2000

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SAN SABA COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 1030 PM CST

* AT 727 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY 
  RAIN ACROSS ALL OF SAN SABA COUNTY...MOVING NORTHEAST AT 10 MPH.

* RAINFALL TOTALING 2 TO 4 INCHES HAS FALLEN ACROSS SAN SABA COUNTY  
  SINCE 5 PM... WITH ADDITIONAL RAINFALL 1 TO 2 INCHES EXPECTED      
  THROUGH 1030 PM CST

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 3140 9905 3098 9902 3098 9847 3133 9869

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 Nov 5, 6:14 PM CST, 1 hour 20 minutes earlier.

Area forecast discussion, Nov 5, 6:14 PM CST, 1 hour 20 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
614 PM CST SUN NOV 5 2000

MAIN LINE OF STORMS PASSING OUT OF THE EASTERN TIP OF SAN SABA COUNTY
AT THIS POINT...TAKING THE THREAT OF TORNADOES WITH IT. PER WWAMKC...
WILL GO AHEAD AND DROP THE TORNADO WATCH FOR THE SOUTHEAST ZONES.

DRYLINE STILL OUT TO THE WEST...DRAPED FROM NEAR CHILDRESS TO WEST OF
MIDLAND. ALTHOUGH UPPER DYNAMICS ARE PUSHING EAST...STILL SOME CHANCE
OF RAIN AS A COLD FRONT OVERTAKES THE DRYLINE AND PUSHES THROUGH THE
AREA BY MIDNIGHT. WILL CONTINUE WITH SOME CHANCE OF RAIN FOR THE
EVENING. GIVEN THAT THE GROUND IS COMPLETELY SATURATED...WILL ALSO HOLD
ONTO THE FLASH FLOOD WATCH FOR A FEW MORE HOURS.

.SJT...FLASH FLOOD WATCH FOR WEST CENTRAL TEXAS THROUGH TONIGHT.

07

In the hours before

Special weather statement, Nov 5, 2:29 PM CST, 5 hours 5 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-052330-

WEST CENTRAL TEXAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
229 PM CST SUN NOV 5 2000

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER WEST CENTRAL
TEXAS THIS AFTERNOON AND EVENING...

AN UPPER LEVEL STORM SYSTEM AND AN ASSOCIATED PACIFIC COLD FRONT WILL
MOVE EASTWARD ACROSS WEST CENTRAL TEXAS THIS EVENING. AS THIS SYSTEM
ENCOUNTERS A MOIST AND UNSTABLE AIRMASS WHICH IS IN PLACE...SCATTERED
THUNDERSTORMS ACROSS ALL OF WEST CENTRAL TEXAS ARE EXPECTED. ENOUGH
INSTABILITY AND LOW TO MID LEVEL WIND SHEAR WILL EXIST SO THAT A FEW
OF THE STORMS COULD REACH SEVERE LIMITS WITH LARGE HAIL...DAMAGING
WINDS AND ISOLATED TORNADOES ALL BEING POSSIBLE.

IN ADDITION TO THE SEVERE WEATHER THREAT...GIVEN THE DEGREE OF SOIL
SATURATION...THE POTENTIAL FOR FLASH FLOODING WILL ALSO EXIST AREA
WIDE. THUNDERSTORM ACTIVITY SHOULD COME TO AN END FROM WEST TO EAST
AROUND MIDNIGHT.

SPOTTER ACTIVATION MAY BE REQUIRED..

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.

21

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 5, 7:21 PM CSTFlash Flood WarningSJTMason3 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.