Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 195, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 10, 2002, 3:43 PM CDT for Travis 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
- Aug 10, 2002, 3:43 PM CDT (20:43 UTC)
- Expired
- Aug 10, 2002, 5:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Travis County, TX
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 8.7 hours before the alert went out and 284 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
- 2646 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 47 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 102043 FFWSAT TXC453-102245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 342 PM CDT SAT AUG 10 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... TRAVIS * UNTIL 545 PM CDT * AT 342 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER AUSTIN...MOVING NORTHWEST AT 20 MPH. OVER THE PAST HOUR...THUNDERSTORMS OVER TRAVIS COUNTY HAVE BEEN TRAINING ALONG AN EAST-WEST LINE FROM NEAR LAGO VISTA...ACROSS DOWNTOWN AUSTIN...TO NEAR DEL VALLE. RAINFALL AMOUNTS OF 2 TO 3 INCHES HAS BEEN ESTIMATED BY RADAR OVER THESE AREAS. THE AUSTIN FIRE DEPARTMENT HAS CONFIRMED THEY HAVE BEGUN CLOSING ROADWAYS. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES... DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. LAT...LON 3017 9771 3032 9760 3057 9801 3035 9810
1 follow-up statement
000 WGUS74 KEWX 102212 FFSSAT TXC453-112240- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 505 PM CDT SAT AUG 10 2002 ...THE FLASH FLOOD WARNING FOR TRAVIS COUNTY HAS BEEN CANCELLED... ...AN URBAN AND SMALL STREAM FLOOD ADVISORY EXPIRES AT 530 PM FOR WILLIAMSON COUNTY... NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL HAS ENDED ACROSS TRAVIS COUNTY...AND THE FLOOD THREAT IS DIMINISHED. SOME MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING HAS ENDED...AND THE FLASH FLOOD WARNING HAS BEEN CANCELLED. RAINFALL ESTIMATES OVER EASTERN WILLIAMSON COUNTY RANGED FROM 1 TO 4 INCHES IN THE PAST 6 HOURS. RUNOFF THESE HEAVY RAINFALL AMOUNTS WILL LIKELY CONTINUE TO KEEP NORMALLY DRY CREEK BEDS....CULVERTS...LOW WATER CROSSINGS AND POOR DRAINAGE AREAS FLOODED THROUGH 530 PM. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.
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.