Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 47, NWS San Angelo, TX

July 6, 2002Taylor County, Texas

NWS San Angelo, TX issued this flash flood warning at Jul 6, 2002, 3:06 AM CDT for Taylor 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
Jul 6, 2002, 3:06 AM CDT (08:06 UTC)
Expired
Jul 6, 2002, 9:00 AM CDT
In force
6 hr
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

County Taylor 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

Midland Regional, TX (KMAF), launched 00:00Z, 8.1 hours before the alert went out and 219 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 2002-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 147 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, Midland Regional, TX at 00:00Z on 2002-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939Sfc1 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
147 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
2436 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
82 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 060806
FFWSJT
TXC441-061400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
304 AM CDT SAT JUL 6 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 900 AM CDT

* AT 258 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER ABILENE.  THE AREA OF HEAVY RAIN WAS NEARLY STATIONARY.
  MORE STATIONARY STORMS WITH HEAVY RAIN WERE NEAR

* RAINFALL TOTALING 1 INCH HAS FALLEN IN THE WARNED AREA...WITH
  ADDITIONAL RAINFALL UP TO 4 INCHES EXPECTED THROUGH 900 AM CDT

DO NOT DRIVE INTO WATER OF UNKNOWN DEPTH. IT MAY BE TOO HIGH TO CROSS
SAFELY. CARS CAN BE SWEPT AWAY WITH ONLY 1 FEET OF FLOWING WATER.

LAT...LON 3213 10006 3211 9966 3251 9967 3251 10010
4 follow-up statements
000 
WGUS74 KSJT 060921
FFSSJT
TXC441-061030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
412 AM CDT SAT JUL 6 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR TAYLOR COUNTY UNTIL
515 AM CDT...

AT 408 AM CDT...DOPPLER RADAR ESTIMATED THAT 2 INCHES OF RAIN
HAVE FALLEN OVER SOUTHEAST ABILENE. THE ABILENE REGIONAL AIRPORT 
RECEIVED 0.82 INCHES IN LESS THAN 20 MINUTES.

STATIONARY THUNDERSTORMS WITH HEAVY RAINS REMAINED OVER ABILENE AT 410 AM.
SOME AREAS MAY SEE 3 INCHES THROUGH 530 PM...MAINLY OVER THE SOUTH SIDE 
OF THE CITY. FLOODING RAINS OF 2 TO 3 INCHES WERE ALSO FALLING ON TUSCOLA
AND OVALO. 

THIS WILL CONTINUE TO PRODUCE FLOODING OF LOW WATER CROSSINGS
AND POOR DRAINAGE AREAS. DO NOT DRIVE YOUR CAR THROUGH WATER OF 
UNKNOWN DEPTH. IT CAN EASILY BE CARRIED AWAY.
000 
WGUS74 KSJT 060932
FFSSJT
TXC441-061400-

FLASH FLOOD STATEMENT...CORRECTED AND ADDED INFORMATION
NATIONAL WEATHER SERVICE SAN ANGELO TX
430 AM CDT SAT JUL 6 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR TAYLOR COUNTY UNTIL
900 AM CDT...

AT 42O AM...THE ABILENE FIRE DEPARTMENT REPORTED 5.2 INCHES OF 
RAINFALL ON THE FIRE STATION ON 27TH STREET. THIS HAS OCCURRED IN 
LESS THAN 2 HOURS. THIS WILL PRODUCE MAJOR FLASH FLOODING IN THE 
CITY OF ABILENE.

AT 430 AM...STATIONARY THUNDESTORMS WITH EXTREMELY HEAVY RAINFALL 
WERE OVER SOUTHERN ABILENE...AND NEAR BRADSHAW...TUSCOLA...AND 
BUFFALO GAP. THESE WERE PRODUCING EXTEME RAINFALL RATES OF 2 TO 4 
INCHES PER HOUR. FLASH FLOODING IS LIKELY THORUGH MID MORNING ACROSS 
TAYLOR COUNTY. 

THIS WILL CONTINUE TO PRODUCE FLOODING OF LOW WATER CROSSINGS AND 
POOR DRAINAGE AREAS. DO NOT DRIVE YOUR CAR THROUGH WATER OF UNKNOWN 
DEPTH. IT CAN EASILY BE CARRIED AWAY.
000 
WGUS74 KSJT 061030
FFSSJT
TXC207-253-441-061400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
530 AM CDT SAT JUL 6 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR JONES...TAYLOR...AND 
HASKELL COUNTIES UNTIL 900 AM CDT...

AT 530 AM...STATIONARY THUNDERSTORMS WITH VERY HEAVY RAINFALL 
EXTENDED FROM STAMFORD AND ANSON...SOUTHWARD TO MERKEL...DYESSS 
AFB...VIEW...TUSCOLA AND BUFFALO GAP. THESE STORMS WILL PRODUCE 2 TO 
4 INCHES OF RAINFALL PER HOUR THROUGH 7 AM.

RADAR ESTIMATED THAT 4 TO 6 INCHES OF RAIN HAS FALLEN FROM ANSON TO 
HAWLEY...TO ABILENE...TUSCOLA AND LAWN. THIS WILL PRODUCE FLASH 
FLOODING ACROSS JONES AND TAYLOR COUNTY. 4.03 INCHES FELL AT THE 
ABILENE REGIONAL AIRPORT IN 2 HOURS...WITH OVER 5.2 INCHES AT A FIRE 
STATION IN EAST ABILENE.

RAINFALL RATES OF 1 TO 2 INCHES OF RAIN WILL CONTINUE OVER ABILENE 
THROUGH 7 AM. WITH 4 TO 6 INCHES OF RAIN ALREADY FALLEN IN 
ABILENE...FLOODING WILL CONTINUE IN THE CITY. THERE IS LIKELY MANY 
LOW WATER CROSSINGS AND LOW LYING AREAS FILLED WITH WATER ALREADY. 
PEOPLE LIVING ALONG CEDAR CREEK AND CAT CLAW CREEK MAY SEE FLOODING 
PROBLEMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
000 
WGUS74 KSJT 061223
FFSSJT
TXC059-151-207-253-417-441-061400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
720 AM CDT SAT JUL 6 2002

...FLASH FLOOD WARNINGS REMAIN IN EFFECT FOR JONES...TAYLOR... 
SHACKELFORD...AND HASKELL COUNTIES UNTIL 900 AM CDT...AND FOR FISHER 
AND CALLAHAN COUNTIES UNTIL 1215 PM...

AT 715 AM...HEAVY RAINFALL EXTENDED FROM ROTAN TO MERKEL TO BUFFALO 
GAP...AND FROM TUSCOLA TO CROSS PLAINS. THIS AREA WILL SEE 2 TO 4 
INCHES OF RAINFALL THROUGH 9 AM.

RADAR ESTIMATED THAT 3 TO 6 INCHES OF RAIN HAVE FALLEN OVER PARTS OF 
THE BIG COUNTRY THIS MORNING. OVER FIVE INCHES HAS FALLEN IN ABILENE.

NUMEROUS ROAD CLOSINGS HAVE OCCURRED IN ABILENE. AT 7 AM THE 
UNDERPASS AT FIRST AND SOUTH STREETS WAS FLOODED. FLOODING WAS ALSO 
BEING REPORTED ALONG CAT CLAW CREEK....CEDAR CREEK...AND BUTTON 
WILLOW CREEK ON THE SOUTH SIDE OF ABILENE. 

FLOODING OF LOW WATER CROSSINGS HAS OCCURRED OVER MUCH OF THE BIG 
COUNTRY THIS MORNING. WATER OF ONLY 2 FEET DEPTH CAN CARRY AWAY 
VEHICLES.

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 Jul 6, 2:57 AM CDT, 9 minutes earlier.

Area forecast discussion, Jul 6, 2:57 AM CDT, 9 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
257 AM CDT SAT JUL 6 2002

TROPICAL AIRMASS REMAINS IN PLACE WITH DEWPOINTS IN THE
70S...BOUNDARIES GALORE...THE SEMI-PERMANENT SHEAR AXIS JUST EAST OF
ABI...AN UPPER LOW OVER NM...UPPER DIFFLUENT AREA OVER MOST OF WEST
TX.  ALL SPELL CONTINUED CHANCES FOR RAIN.

SHEAR AXIS HAS GONE THROUGH ITS NIGHTTIME FLARE UP OVER OUR
NORTHEASTERN COUNTIES...WITH BROWN COUNTY THE TX RAINFALL WINNER
WITH OVER 5-6 INCHES OF RAIN. ACTIVE FLOODING AND RESCUES OCCURRING
AT THIS TIME IN BROWN AND COLEMAN COUNTIES.  THIS FEATURE SHOULD BE
THE FOCUS FOR TSTMS ACROSS THE EASTERN BIG COUNTRY...AND SINCE THE
SYSTEM HAS MOVED A BIT FURTHER NORTH...WILL SHIFT THE FOCUS OF THE
FLASH FLOOD WATCH FURTHER NORTH.  PLAN ON TAKING OUR SOUTHEASTERN
COUNTIES OUT OF THE FF WATCH.  THO IF TSTMS BUILD THIS
AFTERNOON...FLOOD WARNINGS WILL BE NEEDED.

NO BIG CHANCES OVER THE WEEKEND AS RAIN CHANCES ABOUND.  WILL
KEEP LOWEST POPS IN OUR SOUTHWESTERN COUNTIES...WHERE UNFORTUNATELY
LITTLE BENEFICIAL RAIN HAS FALLEN THIS WEEK DESPITE THE ATYPICAL WET
ENVIRONMENT.  IN GENERAL LOWER POPS FOR SOUTH AS SHEAR AXIS AND NM
LOW ENERGY WILL FOCUS BEST RAIN CHANCES IN OUR NORTHERN COUNTIES.

MRF STILL HOLDING FIRM ON PATTERN WITH SFC HIGH OVER THE ROCKIES AND
DECENT RAIN CHANCES THROUGH MON/TUE.  WILL CONTINUE TO SHOW SLOW
DRYING...BY THE END OF THE FORECAST PERIOD...MUCH MORE TYPICAL
WEATHER TAKES HOLD WITH NO REAL CHANCE OF RAIN AND TEMPS 95-100 BY
LATE IN THE WEEK.

CCF PRELIMS...

ABI 084/070/088/070 8542
SJT 090/070/093/070 4442
JCT 090/070/093/070 4332

.SJT...FLASH FLOOD WATCH TODAY FOR MCCULLOCH...SAN SABA...
BROWN...COLEMAN...RUNNELS...CALLAHAN...TAYLOR...JONES...SHACKELFORD
...HASKELL AND THROCKMORTON COUNTIES.

25

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 12:20 AM CDTFlash Flood WarningSJTBrown6 hr
Jul 6, 1:09 AM CDTFlash Flood WarningSJTCallahan, Coleman5 hr
Jul 6, 3:21 AM CDTFlash Flood WarningSJTShackelford6 hr
Jul 6, 4:00 AM CDTFlash Flood WarningSJTHaskell, Jones5 hr
Jul 6, 6:18 AM CDTFlash Flood WarningSJTBrown, Callahan, Coleman6 hr
Jul 6, 6:28 AM CDTFlash Flood WarningSJTFisher6 hr
Jul 6, 8:24 AM CDTFlash Flood WarningSJTNolan4 hr
Jul 6, 8:53 AM CDTFlash Flood WarningSJTJones, Taylor6 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.