Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 84, NWS San Angelo, TX

October 9, 2003Brown County, Texas

NWS San Angelo, TX issued this flash flood warning at Oct 9, 2003, 9:15 AM CDT for Brown County, Texas. It was in force for 2 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
Oct 9, 2003, 9:15 AM CDT (14:15 UTC)
Expired
Oct 9, 2003, 11:15 AM CDT
In force
2 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, 2.3 hours before the alert went out and 197 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 2003-10-09Temperature 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 2003-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 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
871 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
157 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 091414
FFWSJT
TXC049-091615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
915 AM CDT THU OCT 9 2003

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

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

* UNTIL 1115 AM CDT

* AT 902 AM CDT...LAW ENFORCEMENT OFFICERS REPORTED ROADS CLOSED     
  ACROSS THE CITY OF BROWNWOOD...INCLUDING SECTIONS OF HIGHWAY 377   
  AND HIGHWAY 183. MANY LOCAL STREETS ARE FLOODED AND IMPASSABLE     
  ...ESPECIALLY NEAR ADAMS BRANCH AND WILLIS CREEK.

* RAINFALL TOTALING 3 TO 5 INCHES HAS FALLEN IN THE WARNED AREA      
  SINCE WEDNESDAY EVENING...WITH ADDITIONAL MODERATE RAINFALL OF ONE 
  HALF TO ONE INCH EXPECTED THROUGH 11 AM CDT. ALTHOUGH THE HEAVIEST 
  RAIN HAS PASSED...ANY ADDITIONAL RAINFALL WILL ONLY RUNOFF INTO    
  ALREADY FLOODED CREEKS...STREAMS...AND LOW LYING ROADWAYS.

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 3196 9915 3164 9915 3165 9882 3203 9892

$$

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 Oct 9, 3:15 AM CDT, 6 hours earlier.

Area forecast discussion, Oct 9, 3:15 AM CDT, 6 hours before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
315 AM CDT THU OCT 9 2003

LOTS OF NICE SOAKING RAINS OVER MUCH OF WESTCENTRAL TEXAS.
UNFORTUNATELY MOST OF THE RAIN WILL END THIS MORNING.

THE NEARLY STATIONARY UPPER LOW OVER BAJA CALIFORNIA THAT BROUGHT
THE RAINS UP FROM MEXICO WILL MOVE SLOWLY NORTHWARD THIS WEEKEND.
MEANWHILE...A SHORTWAVE MOVING THROUGH THE CENTRAL PLAINS THIS
MORNING WILL BRING DRIER AIR INTO THE REGION FROM NORTH TO
SOUTH...AS UPPER RIDGING BUILDS IN BEHIND IT. ETA AND AVN MODELS
INDICATE MOST OF THE LIFT GONE BY 12Z (7 AM) TODAY. EXPECT
NUMEROUS/SCATTERED SHOWERS TO DIMINISH QUICKLY THIS MORNING...AND
MAY NEED A MID MORNING UPDATE TO ACCOUNT FOR LOWER RAIN CHANCES. BY
7 PM THIS EVENING...MOST OF THE MOISTURE CONFINED FROM 850 MB AND
BELOW.

WITH THE RECENT RAINS AND FAIRLY LIGHT WINDS...AREAS THAT CLEAR
TONIGHT MAY SEE PATCHY DENSE FOG BY FRIDAY MORNING. THE BEST AREA I
THINK IT WOULD HAPPEN...WOULD BE IN THE BIG COUNTRY. WILL MENTION
PATCHY FOG EVERYWHERE THOUGH.

MAY SEE AN INCREASE IN HIGH LEVEL CLOUDS SATURDAY INTO SUNDAY...AND
INTO THE FIRST PART OF NEXT WEEK...AS SOME MOISTURE FROM THE BAJA
LOW IS MOVED NORTHWARD INTO WEST TEXAS...NEW MEXICO AND ARIZONA. NOT
SURE ON EXTENT OF IT...AS THERE IS A UNCERTAINTY IN THE MOVEMENT OF
THE UPPER LOW. YESTERDAYS 00Z RUN HAD IT MOVING INTO SOUTHERN
CALIFORNIA EARLY NEXT WEEK...TODAYS INDICATES IT WILL BE FURTHER
EAST ALONG THE SOUTHERN ARIZONA/NEW MEXICO STATE LINES. A COLD FRONT
OTHERWISE REINFORCES WEAK SURFACE RIDGING OVER THE REGION SATURDAY
NIGHT INTO SUNDAY. WHILE A FEW ISOLATED SHOWERS POSSIBLE...WONT
INCLUDE AT THIS TIME AS LIFT/UPPER DYNAMICS LACKING.

CCF PRELIMS...

ABI 080/060 080/060 080 710-1
SJT 080/061 080/060 080 410-1
JCT 079/063 080/060 081 520--

.SJT...NONE.

04
Hazardous weather outlook, Oct 9, 5:20 AM CDT, 3 hours 55 minutes before
TXZ054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-154-
155-168>170-101015-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
520 AM CDT THU OCT 9 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS.

.DAY ONE...

A LARGE AREA OF RAIN WILL CONTINUE TO PUSH EAST AND OUT OF THE AREA
BY MID MORNING. HOWEVER...NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...

WITH A WET GROUND AND CLEARING SKIES...PATCHY DENSE FOG WILL BE
POSSIBLE FRIDAY MORNING...ESPECIALLY ACROSS THE BIG COUNTRY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

07

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.