Alert archive / Texas / Flash Flood Warnings in 1991
Flash Flood Warning 28, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 21, 1991, 2:28 AM CDT for Kerr County, Texas. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jul 21, 1991, 2:28 AM CDT (07:28 UTC)
- Expired
- Jul 21, 1991, 7:30 AM CDT
- In force
- 5 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Kerr County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 7.5 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
- 417 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 2491 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 52 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 210730
FFWSAT
TXC265-211230-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
228 AM CDT SUN JUL 21 1991
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 730 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...WESTERN KERR
SLOW MOVING THUNDERSTORMS WITH HEAVY RAIN PERSIST OVER WESTERN KERR
COUNTY THIS MORNING. NEARLY 6 INCHES OF RAIN WAS REPORTED AT HIGHWAY
41 AND 83...NEAR THE REAL AND KERR COUNTY LINE...IN A LITTLE OVER TWO
HOURS. LOW WATER CROSSINGS IN WESTERN KERR COUNTY ARE LIKELY FLOODED
SO MOTORISTS SHOULD USE EXTREME CAUTION THIS MORNING. MANY CREEKS AND
STREAMS ARE LIKELY ON THE RISE...SO PERSONS SHOULD KEEP A SAFE
DISTANCE.
REMEMBER...DEATHS DURING FLASH FLOODING ARE FREQUENTLY RELATED TO
MOTORISTS DRIVING INTO FLOODED LOW WATER CROSSINGS OR FROM CHILDREN
PLAYING NEAR FLOODED STREAMS OR DRAINAGE AREAS.
YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHER RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER EVENT.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 20, 9:44 PM CDT, 4 hours 44 minutes before
TXZ054-210400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 945 PM CDT SAT JUL 20 1991 AT 945 PM A STRONG THUNDERSTORM WAS LOCATED IN THE SOUTHEAST CORNER OF KINNEY COUNTY MOVING TOWARD THE NORTHWEST AT 10 TO 15 MPH. THE THUNDERSTORM SHOULD MOVE THROUGH THE BRACKETTVILLE AREA DURING THE NEXT HOUR. PEOPLE IN THE PATH OF THIS THUNDERSTORM SHOULD PREPARE FOR BRIEF HEAVY RAINS...FREQUENT LIGHTNING...GUSTY WINDS AND POSSIBLE HAIL.
Special weather statement, Jul 21, 12:55 AM CDT, 1 hour 33 minutes before
TXZ035-054-210700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1250 AM CDT SUN JUL 21 1991 AT 1245 AM THIS MORNING...THUNDERSTORMS WITH HEAVY RAIN WITH LOCATED OVER MUCH OF REAL COUNTY AND EXTREME WESTERN KERR COUNTY. THE STRONGEST THUNDERSTORM WAS LOCATED ON THE REAL EDWARDS COUNTY LINE NEAR BARKSDALE. BREIF HEAVY RAIN...STRONG GUSTY WINDS...FREQUENT LIGHTNING...AND SOME SMALL HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS DURING THE NEXT FEW HOURS. ALL OF THESE THUNDERSTORMS WERE MOVING NORTHWEST AT 10 MPH. PERSONS DRIVING AROUND REAL COUNTY SHOULD BE ON THE LOOK OUT FOR WATER ACROSS LOW WATER CROSSINGS. CAMPERS MAY WANT TO STAY A LITLLE FURTHER AWAY FROM CREAKS AND STREAMS WHICH COULD BE ON THE RISE. THESE THUNDERSTORMS SHOULD MOVE NORTHWARD OUT OF THE AREA DURING THE COUPLE OF HOURS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 1:59 AM CDT | Flash Flood Warning | EWX | Real | 5 hr |
Nearby
Flash Flood Warnings in Texas, 1991Every flash flood warning in 1991
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.