Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 67, NWS San Angelo, TX

November 4, 2000Kimble County, Texas

NWS San Angelo, TX issued this flash flood warning at Nov 4, 2000, 11:00 AM CST for Kimble County, Texas. It was in force for 6 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 4, 2000, 11:00 AM CST (17:00 UTC)
Expired
Nov 4, 2000, 5:00 PM CST
In force
6 hr
Issued by
NWS San Angelo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Kimble County, TX

The radar

The San Angelo radar (KSJT), 110 km from the middle of the area, began a volume at 16:59 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, 5.0 hours before the alert went out and 161 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 2000-11-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2000-11-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
677 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
124 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 041703
FFWSJT
TXC267-042300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
1100 AM CST SAT NOV 4 2000

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 500 PM CST

* AT 1053 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA  
  OF MODERATE TO HEAVY RAIN 10 MILES SOUTHWEST OF JUNCTION...MOVING 
  NORTHEAST AT 20 MPH.

* THE HEAVY RAINFALL WILL BE NEAR...
   JUNCTION AT 1115 AM CST
   SEGOVIA AT 1120 AM CST

* HEAVY RAINFALL FROM FRIDAY HAS CAUSED THE GROUND TO BE COMPLETELY 
  SATURATED ACROSS KIMBLE COUNTY.  ADDITIONAL RAINFALL AMOUNTS NEAR 
  1/2 INCH CAN BE EXPECTED...WHICH WILL QUICKLY RUN OFF AND CAUSE
  FLOODING OF ROADS AND LOW LYING AREAS.

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 3066 10009 3032 10005 3038 9945 3070 9965

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 4, 2:36 AM CST, 8 hours 24 minutes earlier.

Area forecast discussion, Nov 4, 2:36 AM CST, 8 hours 24 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
236 AM CST SAT NOV 4 2000

A MUCH NEEDED BREAK IS CURRENTLY UNDERWAY.  MOST OF THE PRECIP HAS
MOVED SOUTH AND EAST OF THE AREA...WITH ONLY RESIDUAL SHOWERS OVER
THE HEARTLAND.  TAKING A PEAK AT USGS RIVER GAUGES...THE PROBLEMATIC
SITES ALONG THE SAN SABA AND LLANO RIVERS HAVE CRESTED OR WILL CREST
SHORTLY.  THE BAD NEWS...THE RAIN MIGHT NOT BE FINISHED.  WATER
VAPOR LOOP STILL SHOWS THE DEEP TROPICAL PLUME CROSSING THE AREA.
SHORT WAVE DEPICTED ON THE LOOP SHOULD APPROACH THE AREA BY
SUNRISE...SETTING OFF ANOTHER ROUND OF PRECIP.  AT THIS POINT...IT
WOULD NOT TAKE MUCH TO INITIATE MORE FLOODING...SO WILL KEEP THE
FLASH FLOOD WATCH.  THERE IS THE POSSIBILITY OF A TEMPORARY DRYING
LATER THIS EVENING INTO SUNDAY.  BUT THE NEXT BIG WEATHER MAKER
CURRENTLY SPINNING OVER BAJA CALIFORNIA WILL EJECT NORTHEAST
BRINGING MORE PRECIP.  AVN IS A TOUCH FASTER THAN ETA...BUT BOTH
INDICATE THERE COULD BE SIGNIFICANT SEVERE WEATHER THREAT LATER
SUNDAY EVENING INTO EARLY MONDAY MORNING.  AGREE WITH KLBB IN
CRITICAL CRITERIA CONCERNING THE STRENGTH AND TIMING OF THE POSSIBLE
SEVERE WEATHER SUNDAY AND MONDAY ARE STILL UNCERTAIN...BUT THERE IS
ENOUGH STARING ME IN THE FACE TO BUMP UP POPS FOR SUNDAY AFTERNOON
THROUGH MONDAY MORNING FROM CURRENT PACKAGE...AND SPC AGREES BY
PUTTING MOST OF THE AREA IN THE SLIGHT RISK FOR DAY TWO.  A DECENT
PACFIC FRONT WILL CROSS THE AREA MONDAY...CLEARING THINGS OUT.  THAT
IS UNTIL LATER IN THE WEEK AS ANOTHER UPPER LOW GETS ITS ACT
TOGETHER IN THE ROCKIES.  THE SPECIFICS ON THE LATTER CAN BE FINE
TUNED WITH FUTURE MODEL RUNS.  WILL CLEAR OUT THE AREA TUESDAY IN
THE EXTENDED...BUT WILL KEEP THE MENTION OF POPS FOR WEDNESDAY.

PRELIMS

ABI 059/055/066/055 8446
SJT 063/058/068/052 +546
JCT 064/059/071/061 +656

.SJT...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF WEST CENTRAL
TEXAS TODAY.

20

In the hours before

Special weather statement, Nov 4, 5:33 AM CST, 5 hours 27 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-041600-

WEST CENTRAL TEXAS THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
533 AM CST SAT NOV 4 2000

...A FLASH FLOOD WATCH IS IN EFFECT FOR TODAY AND TONIGHT...
...SEVERE THUNDERSTORMS ARE NOT EXPECTED...

SUBTROPICAL MOISTURE WILL OVERRIDE A COOL SHALLOW AIRMASS OVER WEST
CENTRAL TEXAS TODAY. DISTURBANCES EMBEDDED WITHIN THE SUBTROPICAL FLOW
WILL INTERACT WITH WEAK ATMOSPHERIC INSTABILITY TO AID THE DEVELOPMENT
OF SHOWERS AND THUNDERSTORMS.

DUE TO LIMITED INSTABILITY...SEVERE THUNDERSTORMS ARE NOT EXPECTED.
HOWEVER...WITH SATURATED SOILS AND THE POSSIBILITY OF LOCALLY HEAVY
RAIN...FLASH FLOODING WILL BE POSSIBLE.

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.

14

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.