Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 50, NWS San Angelo, TX

June 13, 2003Brown County, Texas

NWS San Angelo, TX issued this flash flood warning at Jun 13, 2003, 2:04 PM 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 13, 2003, 2:04 PM CDT (19:04 UTC)
Expired
Jun 13, 2003, 5:00 PM 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 12:00Z, 7.1 hours before the alert went out and 200 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 12:00Z on 2003-06-13Temperature 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, Fort Worth, TX at 12:00Z on 2003-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -142 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
1509 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-142 m²/s²
0-3 km storm-relative helicity
-22 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 131905
FFWSJT
TXC049-132200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
204 PM CDT FRI JUN 13 2003

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 500 PM CDT

* AT 157 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER EARLY...MOVING NORTHEAST AT 20 MPH.

* RAINFALL TOTALING 1 TO 3 INCHES HAS FALLEN ACROSS CENTRAL BROWN    
  COUNTY SINCE 11 AM...MAINLY BETWEEN LAKE BROWNWOOD AND BLANKET. AN 
  ADDITIONAL 1 TO 2 INCHES IS POSSIBLE THROUGH 500 PM CDT. CREEKS    
  AND STREAMS WILL FILL WITH SWIFTLY FLOWING FLOODWATERS. LOW WATER  
  CROSSINGS WILL BECOME FLOODED AND IMPASSABLE.

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 3178 9911 3154 9912 3173 9875 3201 9896

$$

07
1 follow-up statement
000 
WGUS74 KSJT 132110
FFSSJT
TXC049-132200-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
410 PM CDT FRI JUN 13 2003

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR BROWN COUNTY UNTIL
500 PM CDT...

AT 357 PM CDT...DOPPLER RADAR ESTIMATED THAT 2 TO 3 INCHES OF RAIN 
HAVE FALLEN OVER EASTERN BROWN COUNTY BETWEEN LAKE BROWNWOOD AND 
BLANKET SINCE 1200 PM.  ADDITIONAL RAINFALL UP TO ONE HALF OF AN 
INCH IS EXPECTED BY 500 PM CDT. THIS WILL CONTINUE TO PRODUCE 
FLOODING OF LOW WATER CROSSINGS AND POOR DRAINAGE AREAS.

AT 357 PM CDT...THE BROWN COUNTY SHERIFF OFFICE REPORTED FLOODING 
ALONG COUNTY ROAD 405 EAST OF NORTH HIGHWAY 183.  THE SHERIFF OFFICE 
ALSO REPORTED LOW LEVEL STREET FLOODING IN BROWNWOOD.

TURN AROUND...DONT DROWN...MOST DEATHS IN FLASH FLOODING OCCUR IN 
AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS 
IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING 
STREAM...EVEN A SMALL ONE...ON FOOT.

$$

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 13, 3:15 AM CDT, 10 hours 49 minutes earlier.

Area forecast discussion, Jun 13, 3:15 AM CDT, 10 hours 49 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
315 AM CDT FRI JUN 13 2003

.CURRENT...AIRMASS IS RATHER JUICY OUTSIDE WITH 70 DEGREE DEWPOINTS
JUST ABOUT ACROSS ENTIRE FORECAST AREA. OUTFLOW BOUNDARY PUSHED INTO
THE BIG COUNTRY EARLIER...THIS FEATURE HAS NOW BECOME
ILL-DEFINED...HOWEVER PROBABLY STILL LINGERS AROUND.

.TODAY...FRONT WILL PROGRESS A LITTLE FURTHER TO THE SOUTH AND WILL
BI-SECT THE FORECAST AREA BEFORE BECOMING STATIONARY LATE THIS
AFTERNOON. ALSO DRYLINE TO INTERSECT THE FRONT OVER THE NORTHWEST
BIG COUNTRY. ALSO WILL SEE THE APPROACH OF A STRONG SHORTWAVE LATE
THIS AFTERNOON. THUNDERSTORMS MAY INITIATE JUST BEFORE THE END OF
THIS PERIOD...THUS LEFT IN SCATTERED POPS OVER THE BIG COUNTRY AND
ISOLATED ELSEWHERE.

.TONIGHT...THE MAIN SHOW SHOULD HOLD OFF UNTIL THE EVENING AND
OVERNIGHT HOURS AND IT LOOKS TO BE RATHER ACTIVE. AS STRONG WAVE
APPROACHES THUNDERSTORMS SHOULD GET GOING PRETTY GOOD THIS EVENING.
SURFACE BASED CAPE IS FORECAST TO BE AROUND 5000 J/KG THIS AFTERNOON
AND EVENING. ALSO WILL HAVE STRONG SHEAR FOR SUPERCELL DEVELOPMENT
EARLY IN THE EVENT. THE THREAT FOR TORNADOES WILL BE NORTH OF A
ROBERT LEE TO BROWNWOOD LINE...WHERE SURFACE WINDS WILL BE BACKED
JUST BEHIND THE BOUNDARY. THUNDERSTORMS SHOULD BEGIN TO ORGANIZE
INTO MCS LATE THIS EVENING INTO THE OVERNIGHT WINDS STRONG DAMAGING
WINDS AND HEAVY RAIN THREAT INCREASING. THE MCS IS EXPECTED TO FORM
OVER THE BIG COUNTRY AND PROPAGATE TO THE EAST SOUTHEAST TOWARDS THE
HEARTLAND. WITH PWS NEAR 2.5 INCHES AND PER COORDINATION WITH FWD
WILL HOIST A FLASH FLOOD WATCH FOR JUST ABOUT THE NORTHERN HALF OF
THE FORECAST AREA NOT INCLUDING TOM GREEN...STERLING OR IRION
COUNTIES AT THIS TIME AS IT APPEARS AXIS OF HEAVIER RAIN SHOULD BE
TO THE NORTH OF THESE COUNTIES. DAY SHIFT MAY NEED TO EXPAND THE
WATCH TO INCLUDE THESE COUNTIES AS WELL IF FEATURES SHIFT JUST A
LITTLE FURTHER TO THE SOUTH.

.SATURDAY AND SUNDAY...LEFT FORECAST PRETTY MUCH THE SAME HERE JUST
TWEAKED  POPS AND TEMPS TO MATCH BETTER WITH SURROUNDING OFFICES.

.EXTENDED...NO CHANGES MADE TO FORECAST AT THIS TIME.

ABI 092/070/090/070 3933
SJT 093/071/093/070 2623
JCT 094/073/093/069 2624

.SJT...FLASH FLOOD WATCH NORTH OF A ROBERT LEE TO BRADY TO SAN SABA
LINE.

27/BRAZZELL
Hazardous weather outlook, Jun 13, 5:00 AM CDT, 9 hours 4 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-141000-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
500 AM CDT FRI JUN 13 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS.

.DAY ONE...

...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS THE
HEARTLAND...NORTHEASTERN CONCHO VALLEY...AND BIG COUNTRY THIS
AFTERNOON AND TONIGHT...

A MOIST AND VERY UNSTABLE AIR MASS REMAINS IN PLACE ACROSS MUCH OF
WEST CENTRAL TEXAS. THIS IN COMBINATION WITH A WEAK COLD FRONT...A
DRYLINE...AND A STRONG SHORT WAVE ALOFT...WILL INITIATE SEVERE
THUNDERSTORM DEVELOPMENT. THE MAIN THREAT WILL BE LARGE HAIL..
DAMAGING WINDS...AND FLASH FLOODING. HOWEVER...AN ISOLATED TORNADO
WILL ALSO BE POSSIBLE. A FLASH FLOOD WATCH IS IN EFFECT THROUGH
TONIGHT FOR LOCATIONS ACROSS WEST CENTRAL TEXAS WHICH ARE NORTH OF A
ROBERT LEE TO BRADY TO SAN SABA LINE.

.DAYS TWO THROUGH SEVEN...

A VERY UNSETTLED PATTERN WILL CONTINUE ACROSS WEST CENTRAL TEXAS
THROUGH THE WEEKEND. FOR SATURDAY NIGHT...ANOTHER STRONG UPPER-
LEVEL DISTURBANCE WILL LIKELY PRODUCE MORE WIDESPREAD SEVERE WEATHER
WITH ADDITIONAL POTENTIAL FOR FLASH FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND TONIGHT.

23/HUBER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 9:42 AM CDTSevere Thunderstorm WarningSJTCrockett93 min
Jun 13, 11:10 AM CDTSevere Thunderstorm WarningSJTTaylor65 min
Jun 13, 11:29 AM CDTSevere Thunderstorm WarningSJTNolan61 min
Jun 13, 11:35 AM CDTSevere Thunderstorm WarningSJTIrion40 min
Jun 13, 11:44 AM CDTTornado WarningSJTNolan61 min
Jun 13, 11:46 AM CDTFlash Flood WarningSJTNolan, Taylor3 hr
Jun 13, 12:13 PM CDTSevere Thunderstorm WarningSJTTaylor62 min
Jun 13, 12:50 PM CDTSevere Thunderstorm WarningSJTCallahan55 min
Jun 13, 1:10 PM CDTFlash Flood WarningSJTCrockett3 hr
Jun 13, 1:22 PM CDTSevere Thunderstorm WarningSJTHaskell53 min
Jun 13, 1:28 PM CDTFlash Flood WarningSJTCoke3 hr
Jun 13, 2:45 PM CDTFlash Flood WarningSJTNolan, Taylor5 hr
Jun 13, 3:59 PM CDTFlash Flood WarningSJTCoke3 hr
Jun 13, 4:06 PM CDTFlash Flood WarningSJTSterling3 hr
Jun 13, 6:54 PM CDTFlash Flood WarningSJTCoke3 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.