Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 214, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 8, 2002, 7:25 PM CDT for Medina 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, 7:25 PM CDT (00:25 UTC)
- Expired
- Sep 8, 2002, 10:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Medina County, TX
The radar
The Austin/San Antonio radar (KEWX), 111 km from the middle of the area, began a volume at 00:28 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, 0.4 hours before the alert went out and 167 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
- 565 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1453 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 69 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 090025
FFWSAT
TXC325-090300-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
722 PM CDT SUN SEP 8 2002
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
MEDINA
* UNTIL 1000 PM CDT
* AT 722 PM...WEATHER SERVICE DOPPLER RADAR INDICATED ONE TO TWO
INCH RAINFALL AMOUNTS MOVING INTO EASTERN MEDINA COUNTRY.
ISOLATED TWO TO FOUR INCHES ARE POSSIBLE IN THE HEAVIER STORMS.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL
CREEKS...STREAMS...HIGHWAYS...UNDERPASSES AND COUNTRY ROADS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
LAT...LON 2912 9938 2913 9884 2964 9884 2951 9894
2960 9904 2960 9941The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 8:48 AM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Frio, Karnes, Medina, Wilson | 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.