Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 83, NWS San Angelo, TX

October 24, 2002Kimble County, Sutton County, Texas

NWS San Angelo, TX issued this flash flood warning at Oct 24, 2002, 1:16 PM CDT for Kimble County, Sutton 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 as issued.

The facts

Issued
Oct 24, 2002, 1:16 PM CDT (18:16 UTC)
Expired
Oct 24, 2002, 7:15 PM CDT
In force
6 hr
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

Counties Kimble County, TX, Sutton County, TX

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 6.3 hours before the alert went out and 147 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 2002-10-24Temperature 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, Del Rio, TX at 12:00Z on 2002-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
610 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
345 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KSJT 241816
FFWSJT
TXC267-435-250015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
115 PM CDT THU OCT 24 2002

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 715 PM CDT

* AT 110 PM CDT...THE KIMBLE COUNTY SHERIFF AND TEXAS DEPARTMENT
  OF TRANSPORTATION REPORTED THAT FLOODING CONTINUES ON HIGHWAY
  377 SOUTH OF JUNCTION. FM385 IS ALSO FLOODED. IN ADDITION...
  FLOODING CONTINUES ALONG THE SOUTH LLANO RIVER. THE SUTTON 
  COUNTY SHERIFF OFFICE REPORTED THAT FLOODING CONTINUES ON
  HIGHWAY 189 IN THE SOUTHWEST PART OF THE COUNTY...AND ALONG
  THE FOLLOWING COUNTY ROADS:  CUSENBARY ROAD AND ALDWELL ROAD. 

DURING THE AFTERNOON...WIDELY SCATTERED SHOWERS WILL PRODUCE
LESS THAN ONE QUARTER OF AN INCH OF ADDITIONAL RAINFALL. 
HOWEVER...WATER LEVELS WILL BE SLOW TO RECEDE ON THE FLOODED
ROADWAYS AND THE SOUTH LLANO RIVER. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

LAT...LON 3065 10092 3032 10093 3033 9936 3048 9936
          3049 9951 3069 9953

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, 6:05 AM CDT, 7 hours 11 minutes earlier.

Area forecast discussion, Oct 24, 6:05 AM CDT, 7 hours 11 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
605 AM CDT THU OCT 24 2002

BASED ON METAR DATA AND CALLS TO LAW ENFORCEMENT...DECIDED TO ISSUE
A DENSE FOG ADVISORY FOR THE BIG COUNTRY AND THE CONCHO VALLEY.
OTHERWISE...NO OTHER CHANGES.

.SJT...SEVERE THUNDERSTORM WATCH CROCKETT COUNTY TODAY.
       DENSE FOG ADVISORY BIG COUNTRY AND CONCHO VALLEY THIS MORNING.

23/HUBER

****  345 AM CDT THU OCT 24 2002  ****

CURRENT...WSR-88D AND SATELLITE DATA INDICATES SHOWERS AND
THUNDERSTORMS CONTINUE TO DEVELOP WEST AND SOUTHWEST OF OUR CWFA.
SURFACE DEWPOINTS RANGE FROM 50 ACROSS THE BIG COUNTRY...TO THE MID
50S ACROSS THE CONCHO VALLEY...AND AROUND 60 THROUGHOUT OUR SOUTHERN
ZONES. IN ADDITION...SURFACE ANALYSIS PLACES FRONT ACROSS OUR
SOUTHERN ZONES IN AN EAST TO WEST LINE.

DAYS 1-3...MODEL DATA INDICATES THE MAIN SHOWER AND THUNDERSTORM
ACTIVITY WILL DEVELOP OR MOVE ACROSS WEST CENTRAL TEXAS TODAY.
ISENTROPIC ANALYSIS OF THE 300K AND 310K THETA E SURFACES SHOWS MAIN
UPGLIDE WILL DEVELOP AROUND NOON TODAY. ALSO...BEST THETA E RIDGE ON
THE 700 MB SURFACE DEVELOPS AROUND NOON. BEST SURFACE AND 925 MB
MOISTURE CONVERGENCE DEVELOPS ALONG THE SURFACE FRONT TODAY. AS FOR
POPS...WILL GO CLOSE TO GUIDANCE TODAY WITH A DOWNWARD TREND FOR
TONIGHT AND FRIDAY. BASED ON LATEST COORDINATION CALL WITH
SPC...WILL INCLUDE CROCKETT COUNTY IN A SEVERE THUNDERSTORM WATCH
FOR TODAY. AS FOR HIGHS TODAY...APPEARS ETA AND AVN MOS TOO HIGH.
LATEST RUC SUGGESTS TEMPERATURES ACROSS WEST CENTRAL TEXAS WILL
CHANGE LITTLE IF ANY TODAY. FOR TONIGHT AND BEYOND...NUMBERS CLOSE
TO GUIDANCE LOOK GOOD.

DAYS 4-7...NO CHANGES HERE.

CCF PRELIMS...

ABI 050/048/060/048 8311
SJT 057/053/063/050 8322
JCT 065/058/065/053 8433

.SJT...SEVERE THUNDERSTORM WATCH CROCKETT COUNTY TODAY.

23/HUBER
Hazardous weather outlook, Oct 24, 6:00 AM CDT, 7 hours 16 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-241500-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
600 AM CDT THU OCT 24 2002

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS.

.DAY ONE...
THUNDERSTORMS WILL OCCUR ACROSS WEST CENTRAL TEXAS TODAY AS AN UPPER
LEVEL DISTURBANCE MOVES ACROSS WEST TEXAS. THE GREATEST THREAT FROM
THESE THUNDERSTORMS WILL BE FLASH FLOODING...MAINLY ACROSS SOUTHERN
SECTIONS OF WEST CENTRAL TEXAS...ALONG AND SOUTH OF A LINE FROM
OZONA...TO MENARD AND MASON. A FEW OF THE THUNDERSTORMS MAY PRODUCE
SMALL HAIL.

.SPOTTER CALL TO ACTION STATEMENT...
SPOTTER ACTIVATION MAY BE NECESSARY ACROSS SOUTHERN SECTIONS OF WEST
CENTRAL TEXAS TODAY.

.DAYS TWO THROUGH SEVEN...
ADDITIONAL HEAVY RAIN IS POSSIBLE SUNDAY.

In the hours before

Special weather statement, Oct 24, 7:55 AM CDT, 5 hours 21 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-241400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
755 AM CDT THU OCT 24 2002

...A VARIETY OF HAZARDOUS WEATHER OCCURRING THIS MORNING OVER WEST
CENTRAL TEXAS...

AT 750 AM...RADAR SHOWED A SMALL LINE OF STRONG THUNDERSTORMS
PRODUCING PEA SIZE HAIL...AND WIND GUSTS TO 35 MPH LOCATED ABOUT 45
MILES SOUTHWEST OF SWEETWATER.  THIS LINE OF STORMS WAS MOVING EAST
AT 45 MPH.

THESE STRONG THUNDERSTORMS SHOULD REACH SWEETWATER AT AROUND 9 AM.
BE ALSO PREPARED FOR DANGEROUS CLOUD TO GROUND LIGHTNING...AND BRIEF
VERY HEAVY RAINFALL.

IN ADDITION...TO THESE THUNDERSTORMS...BEWARE OF AREAS OF DENSE FOG.
PLEASE USE YOUR LOW BEAMS AND SLOW DOWN.

IF YOU WILL BE TRAVELING SOUTH TOWARDS SONORA...JUNCTION...MASON...OR
OZONA...BEWARE OF FLOODED ROADWAYS.

26
Special weather statement, Oct 24, 7:57 AM CDT, 5 hours 19 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-241400-

SPECIAL WEATHER STATEMENT...CORRECTED LAST PARAGRAPH
NATIONAL WEATHER SERVICE SAN ANGELO TX
757 AM CDT THU OCT 24 2002

...A VARIETY OF HAZARDOUS WEATHER OCCURRING THIS MORNING OVER WEST
CENTRAL TEXAS...

AT 750 AM...RADAR SHOWED A SMALL LINE OF STRONG THUNDERSTORMS
PRODUCING PEA SIZE HAIL...AND WIND GUSTS TO 35 MPH LOCATED ABOUT 45
MILES SOUTHWEST OF SWEETWATER.  THIS LINE OF STORMS WAS MOVING EAST
AT 45 MPH.

THESE STRONG THUNDERSTORMS SHOULD REACH SWEETWATER AT AROUND 9 AM.
BE ALSO PREPARED FOR DANGEROUS CLOUD TO GROUND LIGHTNING...AND BRIEF
VERY HEAVY RAINFALL.

IN ADDITION...TO THESE THUNDERSTORMS...BEWARE OF AREAS OF DENSE FOG.
PLEASE USE YOUR LOW BEAMS AND SLOW DOWN.

IF YOU WILL BE TRAVELING SOUTH AND SOUTHEAST TOWARDS SONORA...
JUNCTION...MASON...OR OZONA...BEWARE OF FLOODED LOW WATER CROSSINGS.

26
Local storm report, Oct 24, 12:32 PM CDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO, TX
1232 PM CDT THU OCT 24 2002

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

0100 PM    1 S JUNCTION              TX   FLASH FLOODS
10/23/02   KIMBLE                         COUNTY ROAD FLOODED NEAR
                                          SOUTH LLANO STATE PARK

0445 AM    TELEGRAPH                 TX   FLASH FLOODS
10/24/02   KIMBLE                         HIGHWAY 377 FLOODED NEAR
                                          TELEGRAPH

0940 AM    20 SW SONORA              TX   FLASH FLOODS
10/24/02   SUTTON                         HIGHWAY 189 FLOODED IN FAR
                                          SOUTHWESTERN SUTTON COUNTY

0940 AM    TELEGRAPH                 TX   FLASH FLOODS
10/24/02   KIMBLE                         FLOODING OF SOUTH LLANO
                                          RIVER AROUND TELEGRAPH

0940 AM    15 SW SONORA              TX   FLASH FLOODS
10/24/02   SUTTON                         A FEW COUNTY ROADS
                                          FLOODED...ESPECIALLY
                                          SOUTHWEST OF SONORA

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 3:48 AM CDTFlash Flood WarningSJTKimble, Sutton5 hr
Oct 24, 4:43 AM CDTFlash Flood WarningSJTMason5 hr
Oct 24, 7:08 AM CDTFlash Flood WarningSJTCrockett5 hr
Oct 24, 9:55 AM CDTFlash Flood WarningSJTKimble, Sutton3 hr

Nearby

Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002

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.