Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 43, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 30, 1990, 6:40 PM CDT for Kerr County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 30, 1990, 6:40 PM CDT (23:40 UTC)
- Expired
- Jul 30, 1990, 9:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Kerr County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 11.7 hours before the alert went out and 163 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
- 767 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1178 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 10 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 302341 FFWSAT TXC265-310230- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 640 PM CDT MON JUL 30 1990 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 930 PM CDT FOR THE PEOPLE IN THE FOLLOWING COUNTIES OF SOUTH TEXAS...KERR AT 635 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A THUNDERSTORM PRODUCING VERY HEAVY RAINFALL IN WESTERN KERR COUNTY. THIS STORM WAS MOVING VERY LITTLE. WITHIN THE PAST FEW MINUTES...A REPORT OF NEAR THREE INCHES OF RAIN WAS RECEIVED FROM IN THE VICINITY OF THIS STORM. A FLASH FLOOD WARNING MEANS FLOODING HAS BEEN REPORTED OR IS IMMINENT. REMEMBER...DEATHS DURING FLASH FLOODING ARE FREQUENXTLY RELATED TO MOTORISTS DRIVING INTO LOW WATER CROSSINGS OR FROM CHILDREN PLAYING NEAR FLOODED STREAMS OR DRAINAGE AREAS. STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL INFORMATION.
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, Jul 30, 1:30 PM CDT, 5 hours 10 minutes before
TXZ030-034>037-301930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 120 PM CDT MON JULY 30 1990 ...STRONG THUNDERSTORMS DEVELOPING AHEAD OF A COLD FRONT... AT 115 PM CDT AUSTIN RADAR INDICATED STRONG THUNDERSTORM ACTIVITY FROM NEAR BRADY TO LAKE BUCHANAN TO GOLDTHWAITE TO TEMPLE AND WACO. SCATTERED SHOWERS AND THUNDERSTORMS WERE ALSO INDICATED FROM NEAR STONEWALL AND COMFORT TO LAKE TRAVIS AND AUSTIN TO ELGIN AND COLLEGE STATION. MOVEMENT WAS TOWARDS THE EAST AND SOUTHEAST AT 5 MPH. THESE THUNDERSTORMS MAY PRODUCE DANGEROUS LIGHTING...BRIEF HEAVY DOWN- POURS AND GUSTY WINDS.
Special weather statement, Jul 30, 4:50 PM CDT, 1 hour 50 minutes before
TXZ030-034>037-302300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 435 PM CDT MON JULY 30 1990 ...STRONG THUNDERSTORMS DEVELOPING NEAR LAKE BUCHANAN... AT 430 PM CDT RADAR INDICATED RAPIDLY DEVELOPING STRONG THUNDERSTORMS FROM NEAR BURNET ACROSS LAKES BUCHANAN AND INKS TO SOUTH OF LLANO. THIS AREA OF THUNDERSTORMS WAS DEVELOPING SOUTHWESTWARD AND COULD PRODUCE STRONG GUSTY WINDS...LOCAL HEAVY RAIN AND SMALL HAIL. OTHER SCATTERED SHOWERS AND THUNDERSTORMS WERE FROM EAST OF COLLEGE STATION WESTWARD TO NEAR JUNCTION WITH NUMEROUS THUNDERSTORMS BETWEEN COLLEGE STATION AND TEMPLE. MOVEMENT OF THUNDERSTORMS HAS BEEN VERY SLOW PRODUCING LOCAL VERY HEAVY RAIN...GUSTY WINDS AWND HAIL. 11 MILES EAST OF AUSTIN HAD 2.18 INCHES OF RAIN AND MINOR WIND DAMAGE.
Special weather statement, Jul 30, 5:03 PM CDT, 1 hour 37 minutes before
TXZ034>036-038>039-302300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO, TX 500 PM CDT MON JUL 30 1990 SCATTERED SHOWERS AND THUNDERSTORMS HAVE BEEN ON THE INCREASE THIS AFTERNOON OVER MUCH OF THE HILL COUNTRY AND PORTIONS OF SOUTH CENTRAL TEXAS. THE HEAVIEST CONCENTRATION OF SHOWERS AND THUNDERSTORMS WAS ALONG AND JUST AHEAD OF A VERY SLOW MOVING COOL FRONT THAT EXTENDED FROM NORTH OF AUSTIN WESTWARD TO JUST NORTH OF JUNCTION. THE ATMOSPHERE ACROSS THE HILL COUNTRY AND SOUTH CENTRAL TEXAS IS QUITE UNSTABLE THIS AFTERNOON. THIS COUPLED WITH SURFACE HEATING AND ADDED LIFT FROM THE SURFACE FRONT MAY PUSH SOME THUNDERSTORMS TO REACH SEVERE LIMITS FOR A BRIEF PERIOD OF TIME. ALREADY...ONE REPORT OF 50 MILE AN HOUR WIND AND MARBLE SIZE HAIL WAS RECEIVED NEAR COMFORT IN WESTERN KENDALL COUNTY WITHIN THE PAST HOUR. AN ADDED THREAT MAY BE LOCALLY HEAVY RAINFALL DUE TO THE VERY SLOW MOVEMENT OF THE SHOWERS AND THUNDERSTORMS. STAY TUNED TO NOAA WEATHER RADIO FOR UPDATES ON THESE WEATHER CONDITIONS.
Nearby
Flash Flood Warnings in Texas, 1990Every flash flood warning in 1990
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.