Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 191, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 30, 2002, 1:02 AM CDT for Uvalde County, Texas. It was in force for 88 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 30, 2002, 1:02 AM CDT (06:02 UTC)
- Expired
- Jul 30, 2002, 2:30 AM CDT
- In force
- 88 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Uvalde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 6.0 hours before the alert went out and 82 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.
- Mixed-layer CAPE
- 2578 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1960 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 300602
FFWSAT
TXC463-300730-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
101 AM CDT TUE JUL 30 2002
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
UVALDE
* UNTIL 230 AM CDT
* AT 1 AM...WEATHER SERVICE DOPPLER RADAR INDICATED MODERATE TO
HEAVY RAIN CONTINUING OVER WESTERN UVALDE COUNTY. THIS AREA OF
RAIN WAS MOVING SLOWLY NORTH AT 15 MPH.
DOPPLER RADAR INDICATES UP TO 4 INCHES HAS FALLEN OVER WESTERN
UVALDE COUNTY. ADDITIONAL RAINFALL AOUNTS UP TO AN INCH CAN BE EXPECTED
OVER THESE SAME AREAS WHICH WILL CREATE ADDITIONAL PROBLEMS FOR AN
ALREADY FLOODED AREA. LOW WATER CROSSINGS ALONG THE NUECES RIVER AND
ITS TRIBUTARIES ARE LIKELY FLOODED AND WILL REMAIN FLOODED FOR THE
NEXT COUPLE HOURS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. DO NOT DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO
GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING
WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
LAT...LON 2936 10011 2914 10011 2933 9984 2957 9976
2961 9994 2957 100081 follow-up statement
000 WGUS74 KEWX 300645 FFSSAT TXC463-300730- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 145 AM CDT TUE JUL 30 2002 ...A FLASH FLOOD WARNING CONTINUES FOR UVALDE COUNTY UNTIL 230 AM CDT... AT 145 AM...DOPPLER RADAR INDICATED RAINFALL RATES WERE ONLY A TENTH OF AN INCH PER HOUR ACROSS UVALDE COUNTY. RAINS WILL CONTINUE TO GRADUALLY DIMINISH AND SHOULD DISSIPATE OVER UVALDE COUNTY BY 3 AM. FLOODING OF LOW WATER CROSSINGS AND NORMALLY DRY CREEK BEDS CAN BE EXPECTED ALONG THE NUECES RIVER AND ITS TRIBUTARIES THROUGH 230 AM. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 11:10 PM CDT | Flash Flood Warning | EWX | Uvalde | 110 min |
| Jul 30, 12:55 PM CDT | Flash Flood Warning | EWX | Edwards | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002
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.