Alert archive / Texas / Flash Flood Warnings in 2002

Flash Flood Warning 45, NWS San Angelo, TX

July 6, 2002Brown County, Texas

NWS San Angelo, TX issued this flash flood warning at Jul 6, 2002, 12:20 AM CDT for Brown 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, 12:20 AM CDT (05:20 UTC)
Expired
Jul 6, 2002, 6:15 AM CDT
In force
6 hr
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

County Brown 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

Fort Worth, TX (KFWD), launched 00:00Z, 5.3 hours before the alert went out and 201 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, Fort Worth, TX at 00:00Z on 2002-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1406 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, Fort Worth, TX at 00:00Z on 2002-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
1406 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
53 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 060520
FFWSJT
TXC049-061115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
1220 AM CDT SAT JUL 6 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 615 AM CDT

* AT 1214 AM CDT...WEATHER SERVICE RADAR INDICATED VERY HEAVY
  RAIN 6 MILES SOUTHEAST OF CROSS CUT...OR ABOUT 18 MILES NORTH OF
  EARLY...MOVING NORTH AT 10 MPH. ANOTHER AREA OF HEAVY RAINFALL WAS
  ALSO INDICATED NEAR BANGS...MOVING NORTHEAST AT 10 MPH.

* THE THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE NEAR...
   CROSS CUT AT 1225 AM CDT
   LAKE BROWNWOOD AT 1 AM CDT

* RAINFALL TOTALING 1 INCH HAS FALLEN IN THE WARNED AREA...WITH 
  ADDITIONAL RAINFALL UP TO 4 INCHES POSSIBLE THROUGH 615 AM CDT.
  THIS RAINFALL IS FALLING ON ALREADY SATURATED SOILS...AND WILL
  QUICKLY RUN OFF AND PRODUCE FLOODING.

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 3148 9915 3173 9871 3207 9892 3207 9917
4 follow-up statements
000 
WGUS74 KSJT 060558
FFSSJT
TXC049-061045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
1258 AM CDT SAT JUL 6 2002

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR BROWN COUNTY UNTIL
615 AM CDT...

AT 1255 AM CDT...RADAR ESTIMATED THAT 1 TO 2 INCHES OF RAIN
HAVE FALLEN FROM LAKE BROWNWOOD TO CROSS CUT SINCE 1145 PM.

AT 1255 AM...STRONG THUNDERSTORMS WITH HEAVY RAIN WERE OCCURRING ACROSS MUCH 
OF NORTHERN BROWN COUNTY...ALONG AND NORTH OF HIGHWAY 67. 1 TO 2 INCHES CAN
EXPECTED FROM MAY TO CROSS CUT BETWEEN 1 AND 2 AM.  BANGS TO LAKE BROWNWOOD
CAN EXPECT AROUND 1 INCH.

THIS RAIN WILL QUICKLY RUN OFF AND PRODUCE FLOODING OF LOW WATER CROSSINGS.
DO NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. IT MAY BE TOO DEEP TO CROSS
SAFELY.
000 
WGUS74 KSJT 060641
FFSSJT
TXC049-061115-

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

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR BROWN COUNTY UNTIL
615 AM CDT...

AT 140 AM CDT...DOPPLER RADAR ESTIMATED THAT 2 TO 3 INCHES OF RAIN
HAVE FALLEN OVER AREAS FROM LAKE BROWNWOOD TO CROSS CUT TO BURKETT 
SINCE MIDNIGHT. 

THUNDERSTORMS WITH EXTREME RAINFALL RATES OF 3 INCHES PER HOUR 
CONTINUE TO REGENERATE OVER THIS AREA. WITH LITTLE MOVEMENT OF THE
AREA OF THUNDERSTORMS...2 TO 4 INCHES IS LIKELY IN THIS AREA BETWEEN
140 AM AND 3 AM. 

THIS WILL PRODUCE FLASH FLOODING. LOW WATER CROSSINGS AND POOR DRAINAGE 
AREAS WILL BE FLOODED.

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 060752
FFSSJT
TXC049-083-061115-

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

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR BROWN AND COLEMAN 
COUNTIES UNTIL 615 AM CDT...

AT 233 AM CDT...DOPPLER RADAR ESTIMATED THAT 2 TO 4 INCHES OF RAIN
HAVE FALLEN OVER LAKE BROWNWOOD SINCE MIDNIGHT.  4 TO 6 INCHES HAS BEEN
ESTIMATED FROM ECHO TO BURKETT...AND 5 MILES SOUTHEAST OF CROSS CUT.

THE BROWNWOOD SHERIFF OFFICE AT 240 AM REPORTED NUMEROUS FARM 
TO MARKET ROADS CLOSED NEAR LAKE BROWNWOOD. A CAR RESCUE WAS BEING
DONE NEAR BURKETT IN COLEMAN COUNTY ON HIGHWAY 206. THE COLEMAN SHERIFF 
OFFICE REPORTED A WALL OF WATER GOING DOWN JIM NED CREEK.

STATIONARY THUNDERSTORMS FROM BURKETT TO ECHO TO 17 MILES NORTH OF 
COLEMAN WILL CONTINUE TO PRODUCE EXTREME AMOUNTS OF RAIN OF 3 TO 4 INCHES
PER HOUR THROUGH 4 AM. THIS IS A EXTREMELY DANGEROUS FLOODING SITUATION.

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 060953
FFSSJT
TXC049-059-083-061115-

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

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR COLEMAN...BROWN...AND 
CALLAHAN COUNTIES UNTIL 615 AM CDT...

AT 438 AM CDT...DOPPLER RADAR ESTIMATED THAT 9 INCHES OF RAIN HAVE
HAVE FALLEN BETWEEN ECHO AND BURKETT...AND ALSO 5 MILES EAST OF 
SILVER VALLEY. 5 INCHES OF RAIN HAS BEEN ESTIMATED FROM LAKE 
BROWNWOOD TO CROSS CUT.

THIS WILL PRODUCE MAJOR FLOODING ACROSS NORTHERN COLEMAN AND BROWN 
COUNTIES. A CAR HAS ALREADY BEEN WASHED AWAY NEAR BURKETT. ALL THE 
WATER WILL FLOW DOWN JIM NED CREEK AND PECAN BAYOU...AND FLOW INTO 
LAKE BROWNWOOD. PEOPLE SHOULD LOOK OUT FOR FLASH FLOODING
ON THESE STREAMS. 

TORRENTIAL RAINS OF 3 INCHES PER HOUR WILL CONTINUE THROUGH 615 AM 
ACROSS SOUTHERN CALLAHAN...NORTHERN COLEMAN...AND NORTHERN BROWN 
COUNTY. THIS INCLUDES AREAS FROM OPLIN AND GOLDSBORO TO BURKETT..TO 
CROSS PLAINS...CROSS CUT AND MAY. FLOOD WARNINGS WILL LIKELY BE 
CONTINUE THROUGH THE MORNING HOURS.

04

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 5, 9:50 PM CDT, 2 hours 30 minutes earlier.

Area forecast discussion, Jul 5, 9:50 PM CDT, 2 hours 30 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
950 PM CDT FRI JUL 5 2002

WHATS LEFT OF THE UPPER LOW CONTINUE TO SPIN AWAY NEAR BROWNWOOD
THIS EVENING...WITH SHEAR AXIS EXTENDING FARTHER SOUTH INTO THE HILL
COUNTRY. SHOWERS AND STORMS HAVE PRETTY MUCH ENDED ACROSS WEST
CENTRAL TEXAS FOR THE TIME BEING. NOT SEEING SOME OF THE SAME
SIGNATURES FOR HEAVY RAINFALL THAT WE HAVE SEEN THE PREVIOUS
EVENINGS...BUT GIVEN THIS SYSTEMS HISTORY...NOT GOING TO RULE IT
OUT. BEST CHANCES REMAIN ALONG THE UPPER LOW AND SHEAR AXIS...
PRIMARILY THE EAST AND SOUTHEAST COUNTIES. WILL UPDATE ZONES TO TRIM
POPS BACK JUST A HAIR AND MAKE SOME WORDING CHANGES...BUT WILL LEAVE
THE FLASH FLOOD WATCH UP.

07

812 PM DISCUSSION

LATEST RADAR SHOWING ALL ACTIVITY HAS ENDED IN THE CWA.  RADAR LOOP
ALSO SHOWING UPPER LOW SPINNING OVER THE NORTHERN HEARTLAND. IF
PATTERN OF LAST SEVERAL DAYS HOLDS...SHOULD SEE SOME REDEVELOPMENT
OVER THE CWA AFTER MIDNIGHT...MOST LIKELY IN PROXIMITY OF THE UPPER
LOW. ACCORDINGLY... HAVE PUSHED BACK BEST CHANCE OF SHOWERS UNTIL
MAINLY AFTER MIDNIGHT IN ALL ZONES.

.SJT...FLASH FLOOD WATCH TONIGHT FOR MASON...MENARD...KIMBLE...
MCCULLOCH...SAN SABA...BROWN...COLEMAN COUNTIES.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 1:09 AM CDTFlash Flood WarningSJTCallahan, Coleman5 hr
Jul 6, 3:06 AM CDTFlash Flood WarningSJTTaylor6 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.