Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 50, NWS San Angelo, TX

November 3, 2000Sutton County, Texas

NWS San Angelo, TX issued this flash flood warning at Nov 3, 2000, 4:33 AM CST for Sutton 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 3, 2000, 4:33 AM CST (10:33 UTC)
Expired
Nov 3, 2000, 7:30 AM CST
In force
3 hr
Issued by
NWS San Angelo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Sutton County, TX

The radar

The San Angelo radar (KSJT), 102 km from the middle of the area, began a volume at 10:33 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 00:00Z, 10.6 hours before the alert went out and 123 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 00:00Z on 2000-11-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1062 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 00:00Z on 2000-11-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
1062 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
798 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KSJT 031035
FFWSJT
TXC435-031330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
433 AM CST FRI NOV 3 2000

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SUTTON COUNTY IN SOUTHWEST TEXAS

* UNTIL 730 AM CST

* AT 433 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY       
  HEAVY RAIN ACROSS SOUTHERN SUTTON COUNTY SOUTH OF SONORA...        
  DRIFTING SLOWLY NORTHEAST. 

* RAINFALL TOTALING 1 TO 2 INCHES HAS FALLEN IN THE WARNED AREA...   
  WITH ADDITIONAL RAINFALL UP TO 2 INCHES EXPECTED THROUGH 730 AM 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 3033 10089 3031 10048 3067 10014 3066 10083

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 3, 2:29 AM CST, 2 hours 4 minutes earlier.

Area forecast discussion, Nov 3, 2:29 AM CST, 2 hours 4 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
229 AM CST FRI NOV 3 2000

PREPARING FOR MORE RAIN.  PEEKING AT WATER VAPOR LOOP...TRACKING AN
EXTREMELY LONG PLUME OF TROPICAL MOISTURE...STRECTHING WEST TO THE
PACIFIC ITCZ SOUTHEAST OF HAWAII.  THIS MOISTURE IS SURGING FROM THE
SOUTHWEST AROUND THE BASE OF A LARGE POSITIVELY TILTED TROF FROM
NORTHERN MINNESOTA TO BAJA CALIFORNIA.  THIS JUICY AIR IS RIDING
OVER A RESIDUAL...SOMEWHAT HARD TO IDENTIFY...SURFACE FRONT JUST
SOUTH OF THE AREA.  KSJT AND KDYS 88DS ARE LIT UP LIKE CHRISTMAS
TREES WITH ALL OF THE PRECIP GOING ON.  WITH AN UPPER RIDGE LOCKED IN
OVER THE NORTHERN GULF OF MEXICO...THE PREVIOUSLY MENTIONED TROF
SHOULD NOT SLIDE EAST...AND MODELS GIVE ALL INDICATION OF A
SOUTHWEST DRIFT AS IT INTENSIFIES...HELPED ALONG BY A 100 KNOT SPEED
MAX ROTATING AROUND ITS BASE.  WITH NO MOVEMENT IN THE ORIENTATION
OF THE TROPICAL PLUME...NO SUPPORT TO PUSH THE SURFACE FRONT OUT OF
THE AREA...AND AN EXPECTED WARM AND JUICY AIRMASS IN PLACE...SEE
MORE RAIN IN THE NOT TOO DISTANT FUTURE.  TIMING OF SHORT WAVE
ENERGY IS THE ONLY LIMITING FACTOR IN PINPOINTING PRECIP...BUT A
SNEEZE IS ALL THE LIFT NEEDED TO TAP INTO THIS MOIST AIRMASS.
BASICALLY...WILL EXTEND AND EXPAND THE FLASH FLOOD WATCH GOING...
NOW INCLUDING ALL OF THE FORECAST AREA.  WITH ALL OF THE CLOUD COVER
AND THE PRECIP...DIURNAL TEMPERATURE RANGE WILL REMAIN SMALL.

PRELIMS

ABI 068/058/067/052 +754
SJT 069/059/067/054 +865
JCT 070/061/070/059 +865

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

RIVER FLOOD WATCH REMAINS IN EFFECT FOR THE SAN SABA...LLANO AND THE
COLORADO RIVER (BALLINGER SOUTHWARD) THROUGH THIS EVENING.

20

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 3, 5:45 AM CSTFlash Flood WarningSJTSchleicher2 hr
Nov 3, 6:25 AM CSTFlash Flood WarningSJTMcCulloch3 hr
Nov 3, 6:26 AM CSTFlash Flood WarningSJTKimble, Menard3 hr
Nov 3, 8:09 AM CSTFlash Flood WarningSJTSutton4 hr
Nov 3, 8:27 AM CSTFlash Flood WarningSJTBrown4 hr
Nov 3, 8:42 AM CSTFlash Flood WarningSJTSan Saba6 hr
Nov 3, 9:03 AM CSTFlash Flood WarningSJTKimble, Mason, Menard6 hr
Nov 3, 9:14 AM CSTFlash Flood WarningSJTMcCulloch4 hr
Nov 3, 10:28 AM CSTFlash Flood WarningSJTSchleicher6 hr
Nov 3, 11:09 AM CSTFlash Flood WarningSJTColeman, Concho6 hr
Nov 3, 12:08 PM CSTFlash Flood WarningSJTSutton3 hr
Nov 3, 12:26 PM CSTFlash Flood WarningSJTBrown4 hr
Nov 3, 1:11 PM CSTFlash Flood WarningSJTMcCulloch6 hr
Nov 3, 2:21 PM CSTFlash Flood WarningSJTCrockett6 hr
Nov 3, 3:53 PM CSTFlash Flood WarningSJTRunnels6 hr
Nov 3, 4:31 PM CSTFlash Flood WarningSJTSchleicher4 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.