Alert archive / Texas / Flash Flood Warnings in 1999
Flash Flood Warning 45, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 13, 1999, 12:39 AM CDT for Uvalde County, Zavala County, Texas. It was in force for 116 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
- Jun 13, 1999, 12:39 AM CDT (05:39 UTC)
- Expired
- Jun 13, 1999, 2:35 AM CDT
- In force
- 116 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Uvalde County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 53 km from the middle of the area, began a volume at 05:39 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, 5.7 hours before the alert went out and 109 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
- 1519 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 2075 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 31 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 KSAT 130540 FFWSAT TXC463-507-130735- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1239 AM CDT SUN JUN 13 1999 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... UVALDE COUNTY IN TEXAS ZAVALA COUNTY IN TEXAS * UNTIL 235 AM CDT * AT AT 1230 AM A LINE OF THUNDERSTORMS WITH HEAVY RAIN WAS MOVING EASTWARD ACROSS UVALDE AND ZAVALA COUNTIES WITH RAINFALL RATES OF ONE TO TWO INCHES PER HOUR. THE RAIN WILL CONTINUE FOR THE NEXT HOUR AND END FROM THE WEST WITH RAIN RUNOFF CONTINUING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGER OF FLOODING. JDS SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 12, 8:17 PM CDT, 4 hours 22 minutes before
TXZ191-205>208-130215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 817 PM CDT SAT JUN 12 1999 ...SEVERE THUNDERSTORM WARNING FOR BASTROP AND CALDWELL COUNTIES HAS EXPIRED... THE SEVERE THUNDERSTORMS OVER BASTROP AND CALDWELL COUNTIES HAVE DECREASED IN INTENSITY...HOWEVER THE STORMS REMAINED STRONG AND COULD BECOME SEVERE AGAIN AS THEY MOVE SOUTHWESTWARD AT NEAR 25 MPH TOWARD COMAL AND GUADALUPE COUNTIES. THIS CLUSTER OF STRONG THUNDERSTORMS FROM BETWEEN NEW BRAUNFELS... BUDA AND LULING CONTINUES TO MOVE SOUTHWESTWARD NEAR I35 TOWARDS NEW BRAUNFELS AND CANYON LAKE. THESE STORMS WILL PRODUCE BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING FOR THE NEXT HOUR. CAMPERS...BOATERS AND OTHERS INVOLVED IN OUTDOOR ACTIVITIES SHOULD BE READY TO SEEK SAFE SHELTER IF A THUNDERSTORM THREATENS.
Special weather statement, Jun 12, 8:17 PM CDT, 4 hours 22 minutes before
TXZ191-205>208-130215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 817 PM CDT SAT JUN 12 1999 ...SEVERE THUNDERSTORM WARNING FOR BASTROP AND CALDWELL COUNTIES HAS EXPIRED... THE SEVERE THUNDERSTORMS OVER BASTROP AND CALDWELL COUNTIES HAVE DECREASED IN INTENSITY...HOWEVER THE STORMS REMAINED STRONG AND COULD BECOME SEVERE AGAIN AS THEY MOVE SOUTHWESTWARD AT NEAR 25 MPH TOWARD COMAL AND GUADALUPE COUNTIES. THIS CLUSTER OF STRONG THUNDERSTORMS FROM BETWEEN NEW BRAUNFELS... BUDA AND LULING CONTINUES TO MOVE SOUTHWESTWARD NEAR I35 TOWARDS NEW BRAUNFELS AND CANYON LAKE. THESE STORMS WILL PRODUCE BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING FOR THE NEXT HOUR. CAMPERS...BOATERS AND OTHERS INVOLVED IN OUTDOOR ACTIVITIES SHOULD BE READY TO SEEK SAFE SHELTER IF A THUNDERSTORM THREATENS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 7:18 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell | 57 min |
| Jun 12, 8:30 PM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| Jun 12, 8:35 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Comal, Guadalupe, Hays | 55 min |
| Jun 12, 9:18 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Comal, Guadalupe | 57 min |
| Jun 12, 9:18 PM CDT | Severe Thunderstorm Warning | EWX | Kendall | 57 min |
| Jun 12, 9:20 PM CDT | Flash Flood Warning | EWX | Bexar, Comal, Guadalupe | 100 min |
| Jun 12, 10:10 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 60 min |
| Jun 12, 10:20 PM CDT | Severe Thunderstorm Warning | EWX | Bandera | 65 min |
| Jun 12, 11:01 PM CDT | Flash Flood Warning | EWX | Bandera, Kerr | 2 hr |
| Jun 12, 11:01 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr | 2 hr |
| Jun 12, 11:35 PM CDT | Severe Thunderstorm Warning | EWX | Kinney, Maverick, Uvalde, Zavala | 70 min |
| Jun 12, 11:35 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 70 min |
| Jun 12, 11:51 PM CDT | Severe Thunderstorm Warning | EWX | Real | 64 min |
| Jun 13, 1:00 AM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina | 75 min |
| Jun 13, 3:26 PM CDT | Flash Flood Warning | EWX | Williamson | 3 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.