Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 47, NWS San Angelo, TX

June 13, 2003Nolan County, Taylor County, Texas

NWS San Angelo, TX issued this flash flood warning at Jun 13, 2003, 11:46 AM CDT for Nolan County, Taylor 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, 11:46 AM CDT (16:46 UTC)
Expired
Jun 13, 2003, 2:45 PM CDT
In force
3 hr
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

Counties Nolan County, TX, 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 12:00Z, 4.8 hours before the alert went out and 189 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 12:00Z on 2003-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1071 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 12:00Z on 2003-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
1071 J/kg
Mixed-layer CIN
-199 J/kg
Mixed-layer LCL
2165 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KSJT 131650
FFWSJT
TXC353-441-131945-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
1146 AM CDT FRI JUN 13 2003

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 245 PM CDT

* AT 1143 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER MOST OF TAYLOR COUNTY AND CENTRAL AND EASTERN NOLAN      
  COUNTY WITH ASSOCIATED THUNDERSTORM ACTIVITY REMAINING NEARLY      
  STATIONARY. RADAR HAS ESTIMATED OVER 2 INCHES HAS FALLEN IN THE    
  LAST SEVERAL HOURS WITH AN ADDITIONAL 1 TO 2 INCHES EXPECTED.

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 3246 10059 3213 10061 3214 9972 3246 9970

$$

15
1 follow-up statement
000 
WGUS74 KSJT 131800
FFSSJT
TXC441-131915-

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

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR TAYLOR COUNTY UNTIL
245 PM CDT...

AT 1242 PM CDT...RAINFALL REPORTS IN EXCESS OF 4 INCHES HAVE FALLEN 
OVER CENTRAL TAYLOR COUNTY AND THE SOUTHERN PORTIONS OF ABILENE 
SINCE 1000 AM...WITH ADDITIONAL RAINFALL UP TO 2 TO 4 INCHES 
POSSIBLE BY 245 PM CDT. THIS WILL CONTINUE TO PRODUCE EXTENSIVE 
STREET FLOODING AND FLOODING IN AND AROUND AREA STREAMS.

AT 1242 PM CDT...SPOTTER REPORTED THAT WATER WAS OVER HIGHWAY 277 
NEAR REBECCA LANE AND DYESS AFB.  SPOTTER ALSO REPORTED THAT CAT 
CLAW CREEK SOUTHWEST OF ABILINE WAS AT BANKFULL. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY 
AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT IMMEDIATELY AND SEEK 
HIGHER GROUND.

$$

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, 8 hours 31 minutes earlier.

Area forecast discussion, Jun 13, 3:15 AM CDT, 8 hours 31 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, 6 hours 46 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, 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, 2:04 PM CDTFlash Flood WarningSJTBrown3 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.