Alert archive / Texas / Flash Flood Warnings in 1999
Flash Flood Warning 88, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 11, 1999, 3:20 PM CDT for Lee County, Texas. It was in force for 100 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 11, 1999, 3:20 PM CDT (20:20 UTC)
- Expired
- Jul 11, 1999, 5:00 PM CDT
- In force
- 100 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Lee County, TX
The radar
The Ft Hood radar (KGRK), 61 km from the middle of the area, began a volume at 20:23 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
Fort Worth, TX (KFWD), launched 12:00Z, 8.3 hours before the alert went out and 282 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1222 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KEWX 112024 FFWSAT TXC287-112115- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 320 PM CDT SUN JUL 11 1999 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... LEE COUNTY * UNTIL 500 PM CDT *AT 320 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY THUNDERSTORMS WITH RAINFALL RATES IN EXCESS OF 2 INCHES AN HOUR MOVING INTO THE WESTERN PORTIONS OF LEE COUNTY WITH OTHER DEVELOPING HEAVY THUNDERSTORMS BETWEEN LEXINGTON AND GIDDINGS. MOVEMENT WAS TO THE NORTHEAST AT 15 MPH. EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...LOW WATER CROSSINGS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. 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. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 10:45 PM CDT | Flash Flood Warning | EWX | Bandera | 2 hr |
| Jul 11, 3:30 AM CDT | Flash Flood Warning | EWX | Medina, Uvalde | 4 hr |
| Jul 11, 7:15 AM CDT | Flash Flood Warning | EWX | Bandera, Medina, Uvalde | 5 hr |
| Jul 11, 8:00 AM CDT | Flash Flood Warning | EWX | Val Verde | 4 hr |
| Jul 11, 8:31 AM CDT | Flash Flood Warning | EWX | Kendall | 3 hr |
| Jul 11, 11:50 AM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| Jul 11, 6:10 PM CDT | Flash Flood Warning | EWX | Karnes | 110 min |
| Jul 11, 6:47 PM CDT | Flash Flood Warning | EWX | Bexar, Comal, Kendall | 2 hr |
| Jul 11, 6:47 PM CDT | Flash Flood Warning | EWX | Bandera, Real, Uvalde | 2 hr |
| Jul 11, 6:47 PM CDT | Flash Flood Warning | EWX | Medina | 2 hr |
Nearby
Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999
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.