Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 219, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 9, 2002, 8:48 AM CDT for 6 counties in 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 9, 2002, 8:48 AM CDT (13:48 UTC)
- Expired
- Sep 9, 2002, 11:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Atascosa County, TX, Bexar County, TX, Frio County, TX, Karnes County, TX, Medina County, TX, Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 81 km from the middle of the area, began a volume at 13:52 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
Corpus Christi, TX (KCRP), launched 12:00Z, 1.8 hours before the alert went out and 202 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
- 2864 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 543 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 49 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 091348
FFWSAT
TXC013-029-163-255-325-493-091645-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
850 AM CDT MON SEP 9 2002
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
BEXAR
MEDINA
WILSON
ATASCOSA
KARNES
FRIO
* UNTIL 1145 AM CDT
* AT 845 AM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
FROM KARNES AND ATASCOSA COUNTIES INTO SOUTHWEST BEXAR INTO MEDINA
COUNTIES. HEAVY RAIN WAS ALSO MOVING INTO EXTREME SOUTHERN WILSON
COUNTY NEAR DEWEES.
SHOWERS AND THUNDERSTORMS WITH HEAVY RAINFALL RATES OF UP TO 2 TO 4
INCHES PER HOUR CAN BE EXPECTED AS VERY HEAVY RAINS MOVE NORTH AND
NORTHWEST AT NEAR 10 MPH ACROSS THE AREA. STREETS...SECONDARY
ROADS...AND LOW WATER CROSSINGS ACROSS THE COUNTIES WILL BE VERY
DANGEROUS THE NEXT FEW HOURS. MOTORISTS SHOULD AVOID TRAVEL IF
POSSIBLE...AND UNDER NO CIRCUMSTANCES ENTER FLOODED STREETS AND
CROSSINGS. AUTOS ARE VERY VULNERABLE TO FAST MOVING WATER.
LAT...LON 2961 9941 2867 9938 2868 9823 2883 9767
2921 9796 2930 9824 2948 98492 follow-up statements
000 WGUS74 KEWX 091615 FFSSAT TXC029-091800- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1115 AM CDT MON SEP 9 2002 ...A FLASH FLOOD WARNING CONTINUES FOR BEXAR COUNTY UNTIL 1145 AM... ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH 6 PM... HEAVY RAINS OF 2 TO 4 INCHES OVER SOUTHERN BEXAR COUNTY AND PARTS OF SAN ANTONIO OVER THE PAST SEVERAL HOURS WILL PROBABLY PUT LEON CREEK IN FLOOD AND POSSIBLY OVER THE WESTOVER DRIVE BRIDGE ACROSS KELLY USA. LEON CREEK WILL LIKELY REMAIN IN FLOOD THROUGH MUCH OF THE DAY AS HEAVY RAINS CONTINUE TO TRAIN INTO AND ACROSS SOUTH CENTRAL TEXAS. THE FLASH FLOOD WARNING FOR BEXAR COUNTY WILL BE EXTENDED INTO THE AFTERNOON HOURS. 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.
000 WGUS74 KEWX 091646 FFSSAT TXC013-163-325-091715- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1146 AM CDT MON SEP 9 2002 ...THE FLASH FLOOD WARNING FOR MEDINA...ATASCOSA AND FRIO COUNTIES HAS EXPIRED... NATIONAL WEATHER SERVICE RADAR INDICATED THE HEAVY RAINFALL WAS ENDING AND THE FLOOD THREAT WAS DIMINISHING. HOWEVER LIGHT TO MODERATE RAINFALL WILL CONTINUE FOR THE NEXT HOUR. SOME MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING HAS ENDED AND THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. 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 8, 7:25 PM CDT | Flash Flood Warning | EWX | Medina | 3 hr |
| Sep 8, 8:57 PM CDT | Flash Flood Warning | EWX | Atascosa, Frio, Medina | 4 hr |
| Sep 9, 12:25 AM CDT | Flash Flood Warning | EWX | Atascosa, Frio, Medina | 6 hr |
| Sep 9, 5:45 AM CDT | Flash Flood Warning | EWX | Frio | 3 hr |
| Sep 9, 6:01 AM CDT | Flash Flood Warning | EWX | Atascosa, Bexar | 3 hr |
| Sep 9, 11:16 AM CDT | Flash Flood Warning | EWX | DeWitt | 4 hr |
| Sep 9, 11:48 AM CDT | Flash Flood Warning | EWX | Bandera, Bexar, Comal, Gonzales, Guadalupe, Kendall and 1 more | 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; radar from the NEXRAD Level II archive.