Alert archive / Texas / Flash Flood Warnings in 1991
Flash Flood Warning 45, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Oct 29, 1991, 10:13 AM CST for Real County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Oct 29, 1991, 10:13 AM CST (16:13 UTC)
- Expired
- Oct 29, 1991, 1:15 PM CST
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Real County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 4.2 hours before the alert went out and 111 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
- 1990 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 790 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 291614
FFWSAT
TXC385-291915-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1013 AM CST TUE OCT 29 1991
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 115 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...REAL
NATIONAL WEATHER SERVICE RADAR WAS INDICATING A BROAD LINE OF SHOWERS
AND STRONG THUNDERSTORMS OVER MUCH OF REAL COUNTY THIS MORNING. THIS
LINE HAS SHOWN VERY LITTLE MOVEMENT OVER THE PAST HOUR OR SO. RAINFALL
APPROACHING THREE INCHES IN ABOUT AN HOUR HAS BEEN REPORTED
FROM NORTHERN SECTIONS OF THE COUNTY.
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 CHILDREN
PLAYING NEAR FLOODED STREAMS OR DRAINAGE AREAS.
DANGEROUS LIGHTNING AND GUSTY WINDS OFTEN ACCOMPANY FLASH FLOOD
PRODUCING THUNDERSTORMS.
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, Oct 29, 7:58 AM CST, 2 hours 15 minutes before
TXZ030-034>037-291500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 800 AM CST TUE OCT 29 1991 ...COLD FRONTAL THUNDERSTORMS MOVING INTO CENTRAL TEXAS HILL COUNTRY... JUST BEFORE 8 AM...RADAR SHOWED A BROKEN LINE OF THUNDERSTORMS FROM NEAR WACO THROUGH LAMPASAS AND LLANO TO JUST EAST OF JUNCTION. JUST OVER 3/4 INCH OF RAIN FELL AT JUNCTION IN A 20 MINUTE PERIOD AROUND 730 AM. THE LINE OF THUNDERSTORMS WAS MOVING TO THE SOUTHEAST AT 12 MPH, WHILE THE INDIVIDUAL STORMS WERE TRACKING TOWARDS THE NORTHEAST AT 20 MPH. ...REMEMBER...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MILLS...SAN SABA AND LAMPASAS COUNTIES...FOUR AND FIVE INCH RAINFALLS HAVE ALREADY OCCURRED OVER PARTS OF THOSE COUNTIES AND MANY STREAMS...CREEKS AND LOW WATER CROSSINGS WILL BE QUICK TO FLOOD AGAIN AS THESE STORMS MOVE ACROSS THIS MORNING. BE PREPARED AND DONT TAKE CHANCES WITH FLOODED ROADWAYS OR LOW SPOTS. d JVD
Special weather statement, Oct 29, 8:27 AM CST, 1 hour 46 minutes before
TXZ034-035-038-054-291630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 825 AM CST TUE OCT 29 1991 NATIONAL WEATHER SERVICE RADAR WAS INDICATING A LINE OF SHOWERS AND STRONG THUNDERSTORMS THIS MORNING ACROSS PARTS OF THE EDWARDS PLATEAU AND HILL COUNTRY. AT 820 AM CST...THE STRONGEST THUNDERSTORMS WERE LOCATED IN EXTREME EASTERN EDWARDS COUNTY MOVING TO THE EAST AT 10 MILES AN HOUR. THESE STORMS WILL MOVE INTO WESTERN PORTIONS OF KERR AND REAL COUNTIES WITHIN THE NEXT HALF HOUR. IN ADDITION TO VERY HEAVY RAINFALL...PERSONS IN THE PATH OF THESE STORMS CAN EXPECT TO EXPERIENCE FREQUENT LIGHTNING...GUSTY WIND AND SMALL HAIL. THE CITY OF JUNCTION HAS RECEIVED OVER AN INCH OF RAIN IN LESS THAN ONE HOUR FROM ONE OF THE STRONG THUNDERSTORMS IN THE LINE. MOTORISTS ARE CAUTIONED TO REMAIN ALERT NEAR LOW WATER CROSSINGS... SINCE THESE ARE USUALLY THE FIRST TO FLOOD AND OFTEN QUITE RAPIDLY. DO NOT ATTEMPT TO DRIVE THROUGH FLOODED CROSSINGS OR ACROSS ROADS INUNDATED BY WATER OF UNKNOWN DEPTH. THIS LINE OF SHOWERS AND THUNDERSTORMS MARKS THESE LEADING EDGE OF A MUCH COOLER AIR MASS THAT SHOULD SPREAD ACROSS MUCH OF SOUTH TEXAS TODAY AND TONIGHT. AS THE FRONT ARRIVES...A RAPID DROP IN TEMPERATURE WILL BE ACCOMPANIED BY STRONG AND GUSTY NORTH WIND. THE NATIONAL WEATHER SERVICE WILL KEEP YOU INFORMED OF DEVELOPMENTS IN THIS WEATHER SITUATION. IF THE STORMS CONTINUE TO BUILD...WARNINGS MAY BE REQUIRED. _ THEY WILL BE BROADCAST IMMEDIATELY OVER NOAA WEATHER RADIO.
Special weather statement, Oct 29, 8:55 AM CST, 1 hour 18 minutes before
TXZ030-034>037-291600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 900 AM CST TUE OCT 29 1991 ...COLD FRONTAL THUNDERSTORMS NOW 50 MILES NORTHWEST OF AUSTIN... JUST BEFORE 9 AM...RADAR INDICATED A NEARLY SOLID LINE OF THUNDERSTORMS FROM TEMPLE TO BURNET...LAKE BUCHANAN AND TO JUST WEST OF FREDERICKSBURG. THE LINE HAS PICKED UP SPEED AND WAS MOVING TO THE SOUTHEAST AT 20 MPH. IT SHOULD REACH THE CAPITAL CITY AROUND THE NOON HOUR. THE STRONGEST STORM WAS LOCATED OVER WESTERN GILLESPIE COUNTYBETWEEN HARPER AND FREDERICKSBURG. RAINFALL RATES WERE ESTIMATED NEAR TWO INCHES PER HOUR IN A 10 MILE DIAMETER SPOT. PERSONS IN SOUTH CENTRAL TEXAS SHOULD BE PREPARED FOR A MAJOR WEATHER CHANGE AS THESE THUNDERSTORMS PUSH THROUGH AND MUCH COLDER AIR FILLS IN BEHIND THEM. SOME OF THESE STORMS COULD PRODUCE LARGE HAIL...DAMAGING WINDS AND NEARLY CONTINUOUS LIGHTNING STRIKES. ...JVD...
Special weather statement, Oct 29, 9:20 AM CST, 53 minutes before
TXZ054-291625- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 925 AM CST TUE OCT 29 1991 AT 920 AM RADAR INICATED A LINE OF THUNDERSTORMS EXTENDING FROM FORT WORTH SOUTHWEST TO ROCKSPRINGS TO 30 MILES EAST OF DEL RIO TO EAGLE PASS. THE STRONGEST STORMS WERE LOCATED EAST OF ROCKSPRINGS. MOVEMENT WAS TO THE EAST-SOUTHEAST AT 10 MPH. VERY HEAVY RAIN AND BRIEF STRONG GUSTY WINDS CAN BE EXPECTED FROM THESE STORMS. BOATERS ON LAKE AMISTAD SHOULD BE PREPARED TO SEEK SAFE HARBOR IF THREATENING WEATHER IS OBSERVED. MOTORISTS...DO NOT TRY TO CROSS LOW WATER CROSSING THAT HAVE WATER RUNNING OVER THE TOP OF THE ROADWAY. DRIVING INTO HEAVY RAIN CAN ALSO REDUCE YOUR VISIBILITIES.
Special weather statement, Oct 29, 9:50 AM CST, 23 minutes before
TXZ030-034>037-291645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 945 AM CST TUE OCT 29 1991 ...COLD FRONTAL THUNDERSTORMS NOW 25 MILES NORTHWEST OF AUSTIN... AT 940 AM...RADAR SHOWED PRE-FRONTAL THUNDERSTORMS ALONG A LINE FROM CAMERON...GEORGETOWN...LAKE TRAVIS...JOHNSON CITY AND BLANCO LINE. THE LINE OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE SOUTHEAST AT 25 MPH. IT SHOULD REACH THE CAPITAL CITY AROUND 11 AM. RAINFALL RATES...NEAR ONE INCH PER HOUR...WERE LOCATED IN SMALL SPOTS AROUND HARPER...ROUND MOUNTAIN...LIBERTY HILL AND JARRELL. PERSONS IN SOUTH CENTRAL TEXAS SHOULD BE PREPARED FOR A MAJOR WEATHER CHANGE AS THESE THUNDERSTORMS PUSH THROUGH AND MUCH COLDER AIR FILLS IN BEHIND THEM. SOME OF THESE STORMS COULD PRODUCE LARGE HAIL...DAMAGING WINDS AND NEARLY CONTINUOUS LIGHTNING STRIKES. DUE TO PREVIOUS RAINS SOME SPOTS MAY EXPERIENCE BRIEF LOCALIZED RAINS AND FLASH FLOODING. JVD
Special weather statement, Oct 29, 10:02 AM CST, 11 minutes before
TXZ030-034>037-291645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 945 AM CST TUE OCT 29 1991 ...COLD FRONTAL THUNDERSTORMS NOW 25 MILES NORTHWEST OF AUSTIN... AT 940 AM...RADAR SHOWED PRE-FRONTAL THUNDERSTORMS ALONG A LINE FROM CAMERON...GEORGETOWN...LAKE TRAVIS...JOHNSON CITY AND BLANCO LINE. THE LINE OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE SOUTHEAST AT 25 MPH. IT SHOULD REACH THE CAPITAL CITY AROUND 11 AM. RAINFALL RATES...NEAR ONE INCH PER HOUR...WERE LOCATED IN SMALL SPOTS AROUND HARPER...ROUND MOUNTAIN...LIBERTY HILL AND JARRELL. PERSONS IN SOUTH CENTRAL TEXAS SHOULD BE PREPARED FOR A MAJOR WEATHER CHANGE AS THESE THUNDERSTORMS PUSH THROUGH AND MUCH COLDER AIR FILLS IN BEHIND THEM. SOME OF THESE STORMS COULD PRODUCE HAIL...DAMAGING WINDS AND NEARLY CONTINUOUS LIGHTNING STRIKES. DUE TO PREVIOUS RAINS SOME SPOTS MAY EXPERIENCE BRIEF LOCALIZED HEAVY RAINS AND FLASH FLOODING. JVD
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 11:13 AM CST | Flash Flood Warning | EWX | Kerr | 3 hr |
| Oct 29, 1:52 PM CST | Severe Thunderstorm Warning | EWX | Frio | 53 min |
| Oct 29, 2:05 PM CST | Severe Thunderstorm Warning | EWX | Medina | 40 min |
| Oct 29, 2:13 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 62 min |
| Oct 29, 2:27 PM CST | Severe Thunderstorm Warning | EWX | Atascosa | 63 min |
| Oct 29, 2:42 PM CST | Severe Thunderstorm Warning | EWX | Frio | 33 min |
| Oct 29, 3:03 PM CST | Tornado Warning | EWX | Atascosa | 42 min |
| Oct 29, 3:31 PM CST | Severe Thunderstorm Warning | EWX | McMullen | 59 min |
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.