Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 38, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 6, 1986, 11:09 PM CDT for Bexar County, Texas. It was in force for 111 min.
The area
The counties it named.
The facts
- Issued
- Jun 6, 1986, 11:09 PM CDT (04:09 UTC)
- Expired
- Jun 7, 1986, 1:00 AM CDT
- In force
- 111 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Bexar 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
Victoria Regiona, TX (KVCT), launched 00:00Z, 4.2 hours before the alert went out and 171 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
- 2162 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 070409 FFWSAT TXC029-060600- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 1109 PM CDT FRI JUN 6 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 100 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTH CENTRAL TEXAS...BEXAR AT 1105 PM CDT A LINE OF STRONG THUNDERSTORMS WAS MOVING ACROSS SAN ANTONIO AND BEXAR COUNTY. RAINFALL OF NEAR TWO INCHES PER HOUR HAS BEEN RECORDED AT THE WEATHER OFFICE. THIS LINE WAS MOVING SOUTHEAST AT 20 MILES AN HOUR. A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR HAS BEEN REPORTED. TAKE NECESSARY PRECAUTIONS AS REQUIRED TO PROTECT LIFE AND PROPERTY. REMEMBER..DEATHS DURING FLASH FLOODING ARE FREQUENTLY RELATED TO MOTORISTS DRIVING INTO FLOODED LOW WATER CROSSINGS. DANGEROUS LIGHTNING AND GUSTY WINDS OFTEN ACCOMPANY FLASH FLOOD PRODUCING THUNDERSTORMS. IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE IMMEDIATELY. 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 HEAVY RAIN 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, Jun 6, 8:23 PM CDT, 2 hours 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 823 PM CDT FRI JUN 6 1986 STRONG THUNDERSTORMS WITH HEAVY RAINS WERE ABOUT 20 MILES NORTHEAST OF LOMA ALTA ON HIGHWAY 277. THE HEAVY RAINS CONTINUED IN THIS AREA FOR ABOUT 2 HOURS. SOME REPORTS OF UP TO 2 AND 1/2 INCHES HAVE BEEN REPORTED WITH THESE THUNDERSTORMS IN A HOUR. PERSONS DRIVING ON HIGHWAY 277 NORTH..OR VACATIONING ALONG THE DRY DEVILS RIVER IN THE NORTHEAST PART OF VAL VERDE COUNTY SHOULD BE ALERT TO THE POSSIBILITY OF FLOODED LOW WATER CROSSINGS..OR RAPID RISES OF WATER IN DRAWS AND CREEK BEDS. IF YOU OBSERVE ANY AMOUT WATER COMING DOWN A DRAW OR CREEK BED IN NORTHEAST PART OF VAL VERDE COUNTY..DO NOT WAIT..MOVE TO HIGHER GROUND IMMEDIATELY. A SMALL TRICKLE CAN BECOME A LIFE THREATING TORRENT OF WATER IN MINUTES. YOU SHOULD REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY OR TO THE NATIONAL WEATHER SERVICE.
Special weather statement, Jun 6, 8:24 PM CDT, 2 hours 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 823 PM CDT FRI JUN 6 1986 STRONG THUNDERSTORMS WITH HEAVY RAINS WERE ABOUT 20 MILES NORTHEAST OF LOMA ALTA ON HIGHWAY 277. THE HEAVY RAINS CONTINUED IN THIS AREA FOR ABOUT 2 HOURS. SOME REPORTS OF UP TO 2 AND 1/2 INCHES HAVE BEEN REPORTED WITH THESE THUNDERSTORMS IN A HOUR. PERSONS DRIVING ON HIGHWAY 277 NORTH..OR VACATIONING ALONG THE DRY DEVILS RIVER IN THE NORTHEAST PART OF VAL VERDE COUNTY SHOULD BE ALERT TO THE POSSIBILITY OF FLOODED LOW WATER CROSSINGS..OR RAPID RISES OF WATER IN DRAWS AND CREEK BEDS. IF YOU OBSERVE ANY AMOUNT WATER COMING DOWN A DRAW OR CREEK BED IN NORTHEAST PART OF VAL VERDE COUNTY..DO NOT WAIT..MOVE TO HIGHER GROUND IMMEDIATELY. A SMALL TRICKLE CAN BECOME A LIFE THREATING TORRENT OF WATER IN MINUTES. YOU SHOULD REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY OR TO THE NATIONAL WEATHER SERVICE.
Special weather statement, Jun 6, 9:34 PM CDT, 1 hour 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
935 PM CDT JUN 6 1986
...THUNDERSTORMS CONTINUE TO POSE A THREAT...
SHOWERS AND A FEW THUNDERSTORMS CONTINUE TO MOVE DEEPER INTO SOUTH
CENTRAL TEXAS THIS EVENING. AT 930 PM CDT..A LINE OF THUNDERSTORMS WAS
LOCATED FROM NEAR BLANCO SOUTHWEST TO BOERNE. ALTHOUGH SHOWING SIGNS
OF WEAKENING OVER THE PAST TWO HOURS..SOME OF THESE THUNDERSTORMS STILL
CARRY THE POTENTIAL OF PRODUCING LOCALLY HEAVY RAINFALL. THIS LINE WAS
CONTAINED WITHIN A BROAD AREA OF LIGHT TO MODERATE SHOWERS THAT COVERED
MUCH OF REAL..KERR..KENDALL AND BANDERA COUNTIES. MOVEMENT CONTINUES
SOUTHEAST..BUT AT A FASTER RATE OF 20 MILES AN HOUR.
PERSONS LOCATED WITHIN LOW-LYING OR FLOOD-PRONE AREAS..ESPECIALLY IN
AND NEAR THE RIVER PLAINS OF THE GUADALUPE AND MEDINA RIVERS SHOULD BE
ALERT TO POSSIBLE FLOODING FOR THE NEXT FEW HOURS. LOW WATER CROSSINGS
ARE ALSO SUSCEPTIBLE TO RAPID FLOODING AND MOTORISTS SHOULD NOT ATTEMPT
TO DRIVE ACROSS ROADS INUNDATED BY WATER OF UNKNOWN DEPTH.
ONE FINAL REMINDER..WITH THE INCREASE IN SPEED OF THE LINE OF STORMS..
STRONG AND POSSIBLY DAMAGING WIND NOW BECOMES A REAL THREAT.
STAY TUNE^D TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS AND/OR
WARNINGS.Special weather statement, Jun 6, 10:17 PM CDT, 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1017 PM CDT FRI JUN 6 1986 AT 1015 PM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN 50 MILES NORTH OF DEL RIO MOVING TO THE SOUTH SOUTHEAST AT 20 MPH. GLASSCOCK RANCH..12 MILES NORTHEAST OF JUNO..REPORTED ONE INCH OF RAIN IN 40 MINUTES AT 940 PM. HEAVY RAIN..SMALL HAIL..STRONG WINDS AND FREQUENT LIGHTNING ARE POSSIBLE WITH THESE STORMS. BE ALERT TO THE POSSIBILIT}Y OF FLOODED LOW WATER CROSSINGS..OR RAPID RISES OF WATER IN DRAWS AND CREEK BEDS.
Special weather statement, Jun 6, 10:55 PM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1050 PM CDT JUN 6 1986
...THUNDERSTORMS MOVING ACROSS BEXAR COUNTY...
AT 1050 PM CDT RADAR INDICATED STRONG THUNDERSTORMS WITH LOCALLY HEAVY
RAINFALL MOVING ACROSS BEXAR COUNTY. THESE THUNDERSTORMS PRODUCED
ALMOST ONE INCH OF RAIN IN THE LEON SPRINGS AREA IN JUST OVER HALF AN
HOUR.
THE THUNDERSTORMS ARE MOVING SOUTHEAST AT 20 MPH AND WILL BE MOVING
ACROSS THE SAN ANTONIO METROPOLITAN AREA UNTIL ABOUT 1 AM. IN ADDITION
TO LOCALLY HEAVY RAIN..THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY
WINDS AND DANGEROUS LIGHTNING.
MOTORISTS ARE ESPECIALLY URGED TO AVOID LOW WATER CROSSINGS WHICH MAY
FLOOD RAPIDLY BECAUSE OF THE RECENT HEAVY RAINS.
STAY TUNED FOR ADDITIONAL STATEMENTS OR WARNINGS.Special weather statement, Jun 6, 10:56 PM CDT, 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1050 PM CDT JUN 6 1986
...THUNDERSTORMS MOVING ACROSS BEXAR COUNTY...
AT 1050 PM CDT RADAR INDICATED STRONG THUNDERSTORMS WITH LOCALLY HEAVY
RAINFALL MOVING ACROSS BEXAR COUNTY. THESE THUNDERSTORMS PRODUCED
ALMOST ONE INCH OF RAIN IN THE LEON SPRINGS AREA IN JUST OVER HALF AN
HOUR.
THE THUNDERSTORMS ARE MOVING SOUTHEAST AT 20 MPH AND WILL BE MOVING
ACROSS THE SAN ANTONIO METROPOLITAN AREA UNTIL ABOUT 1 AM. IN ADDITION
TO LOCALLY HEAVY RAIN..THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY
WINDS AND DANGEROUS LIGHTNING.
MOTORISTS ARE ESPECIALLY URGED TO AVOID LOW WATER CROSSINGS WHICH MAY
FLOOD RAPIDLY BECAUSE OF THE RECENT HEAVY RAINS.
STAY TUNED FOR ADDITIONAL STATEMENTS OR WARNINGS.The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 8:27 PM CDT | Flash Flood Warning | EWX | Gillespie | 3 hr |
| Jun 6, 10:29 PM CDT | Flash Flood Warning | EWX | Blanco | 91 min |
| Jun 6, 10:36 PM CDT | Flash Flood Warning | EWX | Edwards | 2 hr |
| Jun 7, 12:55 AM CDT | Flash Flood Warning | EWX | Val Verde | 2 hr |
Nearby
Flash Flood Warnings in Texas, 1986Every flash flood warning in 1986
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.