Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 44, NWS San Angelo, TX

October 24, 2000Taylor County, Texas

NWS San Angelo, TX issued this flash flood warning at Oct 24, 2000, 2:34 AM CDT for Taylor 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
Oct 24, 2000, 2:34 AM CDT (07:34 UTC)
Expired
Oct 24, 2000, 5:30 AM CDT
In force
3 hr
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 00:00Z, 7.6 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, Midland Regional, TX at 00:00Z on 2000-10-24Temperature 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, Midland Regional, TX at 00:00Z on 2000-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.193958Sfc1 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
1524 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
175 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 240736
FFWSJT
TXC441-241030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
234 AM CDT TUE OCT 24 2000

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 530 AM CDT

* AT 233 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A LARGE AREA OF VERY
  HEAVY RAIN OVER ABILENE...MOVING NORTHEAST AT 20 MPH.

* RAINFALL TOTALING 1 TO 2 INCHES HAS FALLEN IN THE WARNED AREA...WITH ADDITIONAL
  RAINFALL OF UP TO 1 INCH EXPECTED THROUGH 530 AM CDT

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THE WATER DEPTH
MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS DSAFELY. DO NOT ATTEMPT TO
DRIVE AROUND BARRICADES. MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES.

LAT...LON 3244 9990 3232 9974 3241 9966 3249 9977

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 24, 2:34 AM CDT, 0 minutes earlier.

Area forecast discussion, Oct 24, 2:34 AM CDT, 0 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
234 AM CDT TUE OCT 24 2000

WEAKENING TREND OBSERVED WITH LARGE AREA OF RAIN FROM ABILENE...TO SAN
ANGELO AND MENARD. HOWEVER...REDEVELOPMENT NOTED OVER CROCKETT COUNTY
WHERE FAVORABLE 1000-500 DIFFLUENT THICKNESS PATTERN EXISTS. PER WATER
VAPOR IMAGERY...UPPER LEVEL LOW SITUATED OVER CENTRAL ARIZONA WITH DRY
SLOT POKING INTO FAR WEST TEXAS. RAINFALL AMOUNTS ACROSS THE AREA HAVE
BEEN IMPRESSIVE WITH WIDESPREAD 1 TO 2 INCH AMOUNTS. ISOLATED 6 INCH
TOTALS WERE NOTED ACROSS CROCKETT...IRION AND BROWN COUNTIES...PER
DOPPLER ESTIMATES.

NCEP MODELS IN GOOD AGREEMENT EJECTING THE CLOSED LOW NORTHEASTWARD AS
AN OPEN WAVE. ASSOCIATED 700-300 MB Q-VECTOR CONVERGENCE FIELDS PROGD TO
SKIRT WEST CENTRAL TEXAS LATER TODAY AND ESPECIALLY TONIGHT. DIVERGENCE
IN RIGHT REAR QUADRANT OF 250 MB JET TO ENHANCE LARGE SCALE VERTICAL
VELOCITIES. IN ADDITION...DIFFLUENT 1000-500 THICKNESS PROG OVER AREA
THROUGH WEDNESDAY. FINALLY...PRECIPITABLE WATER VALUES WILL REMAIN
UNSEASONABLY HIGH...IN EXCESS OF 1.5 INCHES. WITH SOME MANY POSITIVE
INDICATORS AND IN LIGHT OF RECENT HEAVY RAINFALL...WE/LL ISSUE
A FLASH FLOOD WATCH FOR THE ENTIRE AREA TODAY AND TONIGHT.

WEAK COLD FRONT TO BRING COOLER AND DRIER WEATHER THURSDAY AND FRIDAY.

ABI 071/065/073/061 7751
SJT 072/064/075/060 7751
JCT 073/063/074/059 7751

.SJT...FLASH FLOOD WATCH IN EFFECT FOR TODAY AND TONIGHT.

17

In the hours before

Local storm report, Oct 23, 11:34 PM CDT, 3 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
1134 PM CDT MON OCT 23 2000

TIME(CDT)  .....CITY LOCATION.....   STATE...EVENT/REMARKS...
           ....COUNTY LOCATION....

0430 PM    TELEGRAPH                 TX   FLOODING
10/23/00   KIMBLE                         HIGHWAY 377 FLOODED NEAR
                                          THE SOUTH LLANO RIVER. SOME
                                          EVACUATIONS WERE REPORTED.

0450 PM    20 S SONORA               TX   FLOODING
10/23/00   SUTTON                         SEVERAL VEHICLES
                                          REPORTED TRAPPED BETWEEN
                                          DRAWS ON HIGHWAY 189

0450 PM    15 S OZONA                TX   FLOODING
10/23/00   CROCKETT                       HIGHWAY 163 CLOSED TO DUE
                                         TO FLOODING

0640 PM    5 SW MASON                TX   FLOODING
10/23/00   MASON                          THREE FEET OF WATER OVER
                                          RANCH ROAD 1871

0645 PM    BRADY                     TX   FLOODING
10/23/00   MCCULLOCH                      FIVE FEET OF WATER COVERING
                                          RANCH ROAD 1311

0833 PM    RICHLAND SPRINGS          TX   FLOODING
10/23/00   SAN SABA                       HOUSE FLOODED

1005 PM    15 S BROWNWOOD            TX   FLOODING
10/23/00   BROWN                          RANCH ROAD 45 CLOSED AT
                                          THE BROWN/MILLS COUNTY LINE
                                          DUE TO FLOODING
18

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 23, 7:14 PM CDTFlash Flood WarningSJTSan Saba3 hr
Oct 23, 9:18 PM CDTSevere Thunderstorm WarningSJTCrockett42 min
Oct 23, 10:37 PM CDTFlash Flood WarningSJTIrion3 hr
Oct 23, 10:53 PM CDTFlash Flood WarningSJTSterling3 hr
Oct 23, 11:57 PM CDTFlash Flood WarningSJTCoke3 hr
Oct 24, 12:43 AM CDTFlash Flood WarningSJTTom Green3 hr
Oct 24, 12:54 AM CDTTornado WarningSJTCrockett66 min
Oct 24, 3:41 AM CDTFlash Flood WarningSJTCrockett3 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.