Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 31, NWS San Angelo, TX

June 6, 2003Brown County, Texas

NWS San Angelo, TX issued this flash flood warning at Jun 6, 2003, 3:34 AM CDT for Brown 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 as issued.

The facts

Issued
Jun 6, 2003, 3:34 AM CDT (08:34 UTC)
Expired
Jun 6, 2003, 6:30 AM CDT
In force
3 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, 8.6 hours before the alert went out and 199 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 2003-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 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 2003-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
40 J/kg
Mixed-layer CIN
-308 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
60 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 060834
FFWSJT
TXC049-061130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
334 AM CDT FRI JUN 6 2003

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 630 AM CDT

* AT 325 AM CDT...THE BROWNWOOD POLICE DEPARTMENT REPORTED STREET    
  FLOODING IN THE CITY OF BROWNWOOD. NATIONAL WEATHER SERVICE RADAR  
  INDICATED THAT MODERATE TO HEAVY RAINFALL CONTINUED ACROSS THE     
  CITY OF BROWNWOOD AND MUCH OF CENTRAL BROWN COUNTY...MOVING EAST   
  AT 35 MPH.

* RAINFALL TOTALING 1 TO 2 INCHES HAS FALLEN IN THE WARNED AREA      
  SINCE 2 AM...WITH AN ADDITIONAL 1 INCH LIKELY THROUGH 630 AM CDT.  
  MANY STREETS IN BROWNWOOD WILL RAPIDLY FILL WITH SWIFTLY FLOWING   
  WATER.

TURN AROUND DONT DROWN DO NOT DRIVE INTO AREAS WHERE WATER COVERS
THE ROAD. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW SAFE PASSAGE.
REMEMBER...MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES.

LAT...LON 3172 9911 3157 9898 3169 9872 3193 9887

$$
1 follow-up statement
000 
WGUS74 KSJT 061018
FFSSJT
TXC049-061130-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
518 AM CDT FRI JUN 6 2003

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

AT 515 AM CDT...THE BROWNWOOD POLICE DEPARTMENT REPORTED THAT MAJOR 
STREET FLOODING CONTINUED IN THE CITY OF BROWNWOOD. NATIONAL WEATHER 
SERVICE RADAR INDICATED THAT THE HEAVIEST RAINFALL HAD PUSHED EAST 
OF BROWN COUNTY. HOWEVER...AN AREA OF LIGHT TO MODERATE RAINFALL 
WILL CONTINUE ACROSS BROWN COUNTY AND THE CITY OF BROWNWOOD THROUGH 
SUNRISE. 

WITH THE HEAVIEST RAINFALL TO THE EAST...FLOOD WATERS SHOULD BEGIN 
TO GRADUALLY RECEDE. UNTIL THEN...MOTORISTS ARE URGED TO USE 
CAUTION. DO NOT ATTEMPT TO CROSS AREAS WHERE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW SAFE PASSAGE. 
REMEMBER...MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES.
$$

07

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 Jun 6, 2:52 AM CDT, 42 minutes earlier.

Area forecast discussion, Jun 6, 2:52 AM CDT, 42 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
252 AM CDT FRI JUN 6 2003

MCS MOVING QUICKLY SOUTHEASTWARD ACROSS WEST CENTRAL TX...AND THE
LEADING EDGE SHOULD EXIT OUR COUNTIES BY DAWN. WILL MONITOR RADAR
TRENDS OF TRAILING PRECIPITATION AREA FOR INCLUSION OF MORNING POP.
AFTER THIS SYSTEM EXITS...NOT EXPECTING ADDITIONAL PRECIPITATION
TODAY. THUS PLAN TO CANCEL THE FLASH FLOOD WATCH BEFORE NOON. COLD
FRONT TO PUSH SOUTH OF OUR COUNTIES TODAY WITH WEAK SURFACE HIGH
PRESSURE RIDGE BUILDING IN FROM THE NORTH. ANOTHER COLD FRONT TO
MOVE SOUTH ACROSS WEST CENTRAL TX SATURDAY NIGHT. WILL ADD A LOW POP
FOR LATE SATURDAY AFTERNOON IN THE BIG COUNTRY...WHERE SOME MOISTURE
POOLING COULD OCCUR WITH APPROACHING FRONT. WILL CARRY 30 OR 40 POP
BIG COUNTRY SATURDAY NIGHT WITH 20 POP FARTHER SOUTH. BETTER
MOISTURE AVAILABILITY PROGGED FOR BIG COUNTRY. ETA ALSO SUGGESTS MCS
SATURDAY NIGHT WOULD MOVE SOUTHEAST ACROSS RED RIVER VALLEY AND
NORTH TX...WITH PART OF SYSTEM AFFECTING THE BIG COUNTRY. WILL
CONTINUE WITH A LOW POP SUNDAY WITH WEAK OVERRUNNING AND MOISTURE
LINGERING OVER THE REGION.

FOR THE FIRST PART OF NEXT WEEK...LATEST GFS DELAYS BUILDING THE
UPPER RIDGE INTO TX AND THE SOUTHERN PLAINS...AND INSTEAD BRINGS
WEAK SHORTWAVES INTO THE AREA. IF NEXT 1 OR 2 MODEL RUNS ARE
CONSISTENT WITH THIS TREND...MAY NEED TO ADD POP FOR THIS TIME FRAME
IN LATER FORECASTS.

ABI 080/057/091/065/079 40242
SJT 082/058/093/068/081 40022
JCT 084/056/092/070/083 60022

.SJT...NONE.

19
Hazardous weather outlook, Jun 5, 3:12 PM CDT, 12 hours 22 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-060000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
312 PM CDT THU JUN 5 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS.

.DAY ONE...

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS MUCH OF WEST
CENTRAL TEXAS TONIGHT. THUNDERSTORMS DEVELOPING ACROSS NORTHEAST NEW
MEXICO AND THE OKLAHOMA PANHANDLE DURING THE AFTERNOON...WILL MOVE
SOUTH DURING THE EVENING. OTHER THUNDERSTORMS WILL DEVELOP IN
EASTERN NEW MEXICO AND MOVE EAST. THESE AREAS OF THUNDERSTORMS WILL
MERGE ACROSS WEST CENTRAL TEXAS TONIGHT. DAMAGING WINDS AND LARGE
HAIL WILL BE POSSIBLE WITH THESE STORMS. HEAVY RAIN WILL ALSO FALL
ON ALREADY SATURATED SOILS.

.DAYS TWO THROUGH SEVEN...

THUNDERSTORMS WILL AGAIN BE POSSIBLE SATURDAY NIGHT AND SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE LIKELY TONIGHT.

09

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 9:47 PM CDTSevere Thunderstorm WarningSJTKimble, Menard58 min
Jun 5, 11:49 PM CDTSevere Thunderstorm WarningSJTFisher56 min
Jun 5, 11:55 PM CDTSevere Thunderstorm WarningSJTThrockmorton65 min
Jun 6, 1:45 AM CDTSevere Thunderstorm WarningSJTTom Green45 min
Jun 6, 2:02 AM CDTSevere Thunderstorm WarningSJTSchleicher58 min
Jun 6, 6:27 AM CDTFlash Flood WarningSJTBrown2 hr

Nearby

Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003

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.