Alert archive / Texas / Flash Flood Warnings in 1991
Flash Flood Warning 22, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 14, 1991, 7:46 PM CDT for Guadalupe County, Texas. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Jun 14, 1991, 7:46 PM CDT (00:46 UTC)
- Expired
- Jun 14, 1991, 8:45 PM CDT
- In force
- 59 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Guadalupe County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 0.8 hours before the alert went out and 214 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
- 2303 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1015 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 150049
FFWSAT
TXC187-150145-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
746 PM CDT FRI JUN 14 1991
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 845 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...GUADALUPE
A SLOW MOVING THUNDERSTORM HAS PERISTED IN NORTHEAST GUADALUPE COUNTY
FOR THE PAST HOUR BETWEEN KINGSBURY AND LULING. RAINFALL AMOUNTS IN
EXCESS OF THREE INCHES MAY HAVE OCCURRED THAT COULD CAUSE FLOODING OF
LOW-LYING AREAS AND RAPID RISE IN CREEKS AND STREAMS.
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.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 14, 5:41 PM CDT, 2 hours 5 minutes before
TXZ039-142345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 542 PM CDT FRI JUN 14 1991 ...STRONG THUNDERSTORMS ACROSS SOUTH CENTRAL TEXAS... AT 540 PM CDT...SCATTERED THUNDERSTORMS HAD DEVELOPED OVER PORTIONS OF SOUTH CENTRAL TEXAS...FROM NEAR SAN MARCOS TO JUST EAST OF SAN ANTONIO TO NEAR CHOKE CANYON LAKE. THE STRONGEST THUNDERSTORM WAS NEAR NEW BRAUNFELS WHERE PEA TO MARBLE SIZE HAIL WAS REPORTED...ALONG WITH WIND GUSTS OF 35 TO 40 MPH. PERIODS OF VERY HEAVY RAINS...GUSTY WINDS...DANGEROUS LIGHTNING...AND HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS AS THEY MOVE NORTH AT 20 MPH. STAY TUNED TO NOAA WEATHER RADIO...TV OR LOCAL RADIO STATIONS FOR FURTHER UPDAT>ES.
Special weather statement, Jun 14, 6:18 PM CDT, 1 hour 28 minutes before
TXZ036-150030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 615 PM CDT FRI JUN 14 1991 ...STRONG THUNDERSTORMS ACROSS SOUTH CENTRAL TEXAS... AT 614 PM CDT...SCATTERED THUNDERSTORMS WERE FROM EAST OF SAN ANTONIO THROUGH NEW BRAUNFELS AND SAN MARCOS TO SOUTHWEST OF AUSTIN. THE STRONGEST THUNDERSTORMS WERE LOCATED 5 MILES NORTHWEST OF SAN MARCOS AND 5 MILES WEST OF SEGUIN. MOVEMENT WAS TOWARDS THE NORTH AT 25 MILES AN HOUR. PERIODS OF VERY HEAVY RAINS...GUSTY WINDS...DANGEROUS LIGHTNING...AND SMALL HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS. STAY TUNED TO NOAA WEATHER RADIO...TV OR LOCAL RADIO STATIONS FOR LATER STATEMENTS.
Special weather statement, Jun 14, 7:35 PM CDT, 11 minutes before
TXZ039-150110 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 734 PM CDT FRI JUN 14 1991 ...STRONG THUNDERSTORM CONTINUES OVER GUADALUPE COUNTY... AT 730 PM CDT...A STRONG THUNDERSTORM CONTINUED OVER GUADALUPE COUNTY JUST TO THE NORTHEAST OF SEGUIN. THIS THUNDERSTORM CAUSED NUMEROUS POWER OUTAGES IN THE CITY OF SEGUIN EARLIER FROM FREQUENT LIGHTNING AND GUSTY WINDS. IN ADDITION...THE THUNDERSTORM HAD SLOWED DOWN IN MOVEMENT AND MAY BE CAUSING SOME FLOODING OF LOW-LYING AREAS IN NORTHEAST GUADALUPE COUNTY. ELSEWHERE...SCATTERED THUNDERSTORMS WERE DEVELOPING IN NORTHERN BEXAR COUNTY...NORTH OF SAN ANTONIO...AND EXTENDED INTO SOUTH COMAL COUNTY. OTHER STORMS ALSO CONTINUED IN NORTH ATASCOSA COUNTY...NORTHEAST OF PLEASANTON. LITTLE MOVEMENT WAS INDICATED. VERY HEAVY RAINS...STRONG AND GUSTY WINDS...DANGEROUS LIGHTNING AND HAIL ARE LIKELY WITH THE STRONGER STORMS. PERSONS IN SOUTH CENTRAL TEXAS SHOULD REMAIN ALERT FOR THESE STORMS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED FOR YOUR AREA. STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO OR TV FOR LATER WEATHER DEVELOPMENTS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 8:41 PM CDT | Flash Flood Warning | EWX | Guadalupe | 64 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.