Alert archive / Texas / Flash Flood Warnings in 1990
Flash Flood Warning 8, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 2, 1990, 4:35 AM CDT for Kendall County, Kerr County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 2, 1990, 4:35 AM CDT (09:35 UTC)
- Expired
- May 2, 1990, 8:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Kendall County, TX, 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 00:00Z, 9.6 hours before the alert went out and 188 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
- 632 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 323 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 020937
FFWSAT
TXC259-265-021330-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
435 AM CDT WED MAY 2 1990
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 830 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH TEXAS
...KENDALL...KERR
THE KERRVILLE FIRE DEPARTMENT REPORTS THAT OVER 3 INCHES OF RAIN HAS
FALLEN IN THE KERRVILLE AND CENTER POINT AREAS OVERNIGHT...CAUSING
FLASH FLOODING OF LOW WATER CROSSINGS IN KERR COUNTY. THE KENDALL
COUNTY SHERIFFS DEPARTMENT REPORTS THAT FLASH FLOODING HAS OCCURRED IN
NORTHERN KENDALL COUNTY AS HEAVY RAINFALL PRODUCED BETWEEN 2 AND 3
INCHES OF RAIN OVER NORTHERN KENDALL COUNTY OVERNIGHT.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN
REPORTED.
REMEMBER...DEATHS DURING FLASH FLOODING ARE FREQUENTLY RELATED TO
MOTORISTS DRIVING INTO FLOODED LOW WATER CROSSINGS OR FROM C2HILDREN
PLAYING NEAR FLOODED STREAMS OR DRAINAGE AREAS.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, May 1, 11:27 PM CDT, 5 hours 8 minutes before
TXZ030-034>037-020500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1120 PM CDT TUE MAY 1 1990 ...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR MILLS...LAMPASAS AND SAN SABA COUNTIES. ...VERY HEAVY RAINS OVER WEST AND NORTHWEST AUSTIN... AT 1105 PM WEATHER RADAR INDICATED SHOWERS AND THUNDERSTORMS FROM NORTH OF UVALDE NORTHEAST ACROSS THE FREDERICKSBURG...JOHNSON CITY...LAKE TRAVIS AND NORTHWEST AUSTIN AREAS AND INTO EAST NORTHEAST OF COLLEGE STATION. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT NEAR 20 MPH AND IT IS POSSIBLE THAT MORE THAN ONE STORM COULD MOVE OVER THE SAME AREA. NORTHWEST AUSTIN REPORTED 2.48 INCHES OF RAIN SINCE 10 PM. MOTORIST ARE URGED TO USE EXT4REME CAUTION AS ROADWAYS AND LOW WATER CROSSINGS COULD BECOME FLOODED VERY RAPIDLY.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 12:51 AM CDT | Flash Flood Warning | EWX | Travis, Williamson | 114 min |
| May 2, 7:20 AM CDT | Flash Flood Warning | EWX | Edwards | 3 hr |
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.