Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 163, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 15, 2002, 12:15 PM CDT for Dimmit County, Maverick County, Zavala County, Texas. It was in force for 105 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 15, 2002, 12:15 PM CDT (17:15 UTC)
- Expired
- Jul 15, 2002, 2:00 PM CDT
- In force
- 105 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Dimmit County, TX, Maverick County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 83 km from the middle of the area, began a volume at 17:16 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 12:00Z, 5.3 hours before the alert went out and 122 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
- 401 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 605 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 41 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 151715 FFWSAT TXC127-323-507-151900- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1215 PM CDT MON JUL 15 2002 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... ZAVALA MAVERICK DIMMIT * UNTIL 200 PM CDT * WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS MOVING ACROSS THE MAVERICK...ZAVALA AND DIMMIT COUNTIES. RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE OCCURRING. THIS ONGOING HEAVY RAIN WILL CREATE RUNOFF WHICH WILL CAUSE FLOODING OF SMALL CREEKS...STREAMS AND ROADS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 2823 10022 2824 9945 2908 9945 2905 10063
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 7:07 PM CDT | Flash Flood Warning | EWX | Maverick, Zavala | 53 min |
| Jul 14, 7:19 PM CDT | Flash Flood Warning | EWX | Frio, Karnes | 101 min |
| Jul 14, 8:56 PM CDT | Flash Flood Warning | EWX | Atascosa, Karnes | 2 hr |
| Jul 15, 8:30 AM CDT | Flash Flood Warning | EWX | Frio | 3 hr |
| Jul 15, 8:40 AM CDT | Flash Flood Warning | EWX | Fayette, Lavaca | 3 hr |
| Jul 15, 10:09 AM CDT | Flash Flood Warning | EWX | Bandera, Comal, Kendall | 2 hr |
| Jul 15, 12:33 PM CDT | Flash Flood Warning | EWX | Frio | 87 min |
| Jul 15, 12:37 PM CDT | Flash Flood Warning | EWX | DeWitt, Karnes | 83 min |
| Jul 15, 1:41 PM CDT | Flash Flood Warning | EWX | Dimmit, Frio, Maverick, Zavala | 3 hr |
| Jul 15, 6:31 PM CDT | Flash Flood Warning | EWX | Williamson | 119 min |
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.