Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 208, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 8, 2002, 4:18 AM CDT for Bexar 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
- Sep 8, 2002, 4:18 AM CDT (09:18 UTC)
- Expired
- Sep 8, 2002, 7:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Bexar County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 9.3 hours before the alert went out and 217 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
- 152 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1982 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 25 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 080918 FFWSAT TXC029-081215- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 415 AM CDT SUN SEP 8 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... BEXAR * UNTIL 715 AM CDT * AT 415 AM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN JUST EAST OF LACKLAND AFB...MOVING NORTHWEST AT 10 MPH. DOPPLER RADAR INDICATES ADDITIONAL THUNDERSTORMS MOVING THROUGH THE AREA THE NEXT ONE TO TWO HOURS. LEON CREEK IS EXPECTED TO FLOOD LOW-LYING AREAS AND BRIDGES...AND POSSIBLY THE WESTOVER DRIVE BRIDGE ACROSS KELLY AFB. MOTORISTS SHOULD NOT ENTER FLOODED STREETS AND CROSSINGS. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. 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. LAT...LON 2928 9860 2941 9844 2968 9863 2941 9873
1 follow-up statement
000 WGUS74 KEWX 080954 FFSSAT TXC029-081215- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 450 AM CDT SUN SEP 8 2002 ...A FLASH FLOOD WARNING CONTINUES FOR BEXAR COUNTY UNTIL 715 AM CDT... AT 445 AM...DOPPLER RADAR INDICATED CONTINUED TRAINING OF HEAVY RAINS WESTWARD OVER CENTRAL AND WESTERN PORTIONS OF BEXAR COUNTY. AS OF 415 AM...OVER 2 INCHES OF RAIN HAD FALLEN AT KELLY USA IN AN HOUR AND A HALF. IN ADDITION...A REPORT OF LEON CREEK INUNDATING TWO BRIDGES AT LACKLAND AIR FORCE BASE HAS BEEN RECEIVED. SHOWERS AND A FEW THUNDERSTORMS WITH HEAVY RAINS SHOULD CONTINUE ACROSS BEXAR COUNTY DURING THE NEXT SEVERAL HOURS. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...LOW WATER CROSSINGS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING AREAS. 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 TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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 |
|---|---|---|---|---|
| Sep 7, 7:03 PM CDT | Flash Flood Warning | EWX | Uvalde | 117 min |
| Sep 7, 8:00 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 2 hr |
| Sep 7, 8:47 PM CDT | Flash Flood Warning | EWX | Burnet, Gillespie, Llano | 118 min |
| Sep 7, 10:00 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Sep 7, 11:03 PM CDT | Flash Flood Warning | EWX | Burnet, Llano | 117 min |
| Sep 8, 1:01 AM CDT | Flash Flood Warning | EWX | Llano | 119 min |
| Sep 8, 9:15 AM CDT | Flash Flood Warning | EWX | DeWitt | 3 hr |
| Sep 8, 9:59 AM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Llano, Travis, Williamson | 2 hr |
| Sep 8, 12:06 PM CDT | Flash Flood Warning | EWX | Burnet, Williamson | 114 min |
| Sep 8, 1:42 PM CDT | Flash Flood Warning | EWX | Lavaca | 2 hr |
| Sep 8, 2:00 PM CDT | Flash Flood Warning | EWX | Atascosa | 3 hr |
| Sep 8, 4:53 PM CDT | Flash Flood Warning | EWX | Bexar, Karnes, Wilson | 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.