Alert archive / Texas / Flash Flood Warnings in 2003

Flash Flood Warning 39, NWS Austin/San Antonio, TX

June 15, 2003Gillespie County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 15, 2003, 2:08 AM CDT for Gillespie 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
Jun 15, 2003, 2:08 AM CDT (07:08 UTC)
Expired
Jun 15, 2003, 4:15 AM CDT
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

County Gillespie County, TX

The radar

The Austin/San Antonio radar (KEWX), 131 km from the middle of the area, began a volume at 07:12 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 7.1 hours before the alert went out and 195 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, Del Rio, TX at 00:00Z on 2003-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3317 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2003-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -42 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
3317 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
985 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-42 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 150708
FFWSAT
TXC171-150915-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
208 AM CDT SUN JUN 15 2003

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  GILLESPIE

* UNTIL 415 AM CDT

* AT 208 AM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
  FROM 10 MILES NORTH OF HARPER TO 4 MILES SOUTH OF LBJ STATE PARK...
  OR FROM 21 MILES SOUTH OF MASON TO 14 MILES SOUTHEAST OF
  FREDERICKSBURG...MOVING SOUTH AT 5 MPH.

* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE...
  OVER FREDERICKSBURG AT 215 AM
  OVER LUCKENBACH AT 230 AM
  OVER HARPER AT 325 AM

A MINOR RISE DOWN THE PEDERNALES RIVER FROM THE HEADWATERS TO BELOW 
LBJ NATIONAL PARK IS EXPECTED.  PARK VISITORS SHOULD MONITOR 
ADDITIONAL RAINFALL AND RIVER STATEMENTS. 

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

LAT...LON 3043 9931 3050 9930 3050 9915 3014 9860
          3015 9931

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 11:57 PM CDTSevere Thunderstorm WarningEWXGillespie, Llano63 min
Jun 15, 12:11 AM CDTFlash Flood WarningEWXGillespie, Llano2 hr
Jun 15, 12:59 AM CDTSevere Thunderstorm WarningEWXGillespie61 min
Jun 15, 1:25 AM CDTSevere Thunderstorm WarningEWXBlanco65 min
Jun 15, 1:50 AM CDTSevere Thunderstorm WarningEWXLlano55 min
Jun 15, 1:59 AM CDTSevere Thunderstorm WarningEWXGillespie46 min
Jun 15, 2:00 AM CDTSevere Thunderstorm WarningEWXKendall60 min
Jun 15, 2:45 AM CDTSevere Thunderstorm WarningEWXKerr75 min
Jun 15, 3:04 AM CDTSevere Thunderstorm WarningEWXKendall56 min
Jun 15, 3:58 AM CDTSevere Thunderstorm WarningEWXBexar, Kendall62 min
Jun 15, 4:04 AM CDTSevere Thunderstorm WarningEWXVal Verde71 min
Jun 15, 4:26 AM CDTSevere Thunderstorm WarningEWXEdwards64 min
Jun 15, 5:05 AM CDTFlash Flood WarningEWXEdwards, Real4 hr
Jun 15, 5:11 AM CDTSevere Thunderstorm WarningEWXGuadalupe64 min
Jun 15, 6:10 AM CDTFlash Flood WarningEWXKinney, Uvalde3 hr
Jun 15, 8:55 AM CDTFlash Flood WarningEWXUvalde2 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; radar from the NEXRAD Level II archive.