Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 59, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 26, 1986, 1:34 AM CDT for Real County, Texas. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 26, 1986, 1:34 AM CDT (06:34 UTC)
- Expired
- Sep 26, 1986, 6:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Real 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, 6.6 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
- 2011 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1366 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 260634 FFWSAT TXC385-261100- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 134 AM CDT FRI SEP 26 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 600 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTH CENTRAL TEXAS...REAL AT 100 AM CDT A STRONG THUNDERSTORM WAS LOCATED OVER NORTHERN REAL COUNTY MOVING VERY SLOWLY TO THE NORTH. BECAUSE OF THE SLOW MOVEMENT OF THIS STRONG THUNDERSTORM...VERY HEAVY RAINS HAVE PERSISTED OVER NORTHERN REAL COUNTY FOR THE PAST FEW HOURS. A SIGNIFICANT RISE IS POSSIBLE ALONG THE HEADWATERS OF THE FRIO RIVER IN REAL COUNTY DOWN TO GARNER STATE PARK THIS MORNING. LOW WATER CROSSINGS ALONG HIGHWAY 41 IN REAL COUNTY MAY ALREADY BE FLOODED. CAMPERS IN GARNER STATE PARK ALONG THE FRIO RIVER SHOULD BE PREPARED TO MOVE TO HIGHER GROUND THIS MORNING. 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.
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, Sep 25, 7:35 PM CDT, 5 hours 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 735 PM CDT THU SEP 25 1986 THUNDERSTORMS ARE LOCATED IN NORTHEAST MAVERICK COUNTY AND IN UVALDE AND REAL COUNTIES...AROUND GARNER STATE PARK AND LEAKEY. BRIEF HEAVY RAINFALL...LOCALIZED FLOODING OF CREEKS AND LOW-WATER CROSSINGS...OCCASIONAL LIGHTNING AND POSSIBLE SMALL HAIL MAY OCCUR IN THESE THUNDERSTORMS FOR ANOTHER HOUR OR SO. OTHER THUNDERSHOWERS ARE MOVING NOR`THWARD OUT OF KENDALL COUNTY.
Special weather statement, Sep 25, 10:06 PM CDT, 3 hours 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1005 PM CDT THU SEP 25 1986 A THUNDERSTORM IS LOCATED NEAR LEAKEY IN REAL COUNTY. THIS STORM LIKELY CONTAINS HEAVY RAINFALL WHICH COULD CAUSE LOCALIZED FLOODING OF CREEKS AND LOW-WATER CROSSINGS. OCCASIONAL LIGHTNING ACCOMPANIES THIS STORM. SMALL HAIL IS ALSO POSSIBLE. RUNOFF FROM THIS THUNDERSTORM MAY CAUSE SOME RISE ON THE FRIO RIVER DOWNSTREAM PAST GARNER STATE PARK TONIGHT AND FRIDAY MORNING...SO CAMPERS SHOULD BE PREPARED TO MOVE AWAY FROM THE FLOOD PLAIN OF THE RIVER AND TO HIGHER GROUND. THUNDERSTORMS ARE ALSO NOTED NEAR UVALDE.
Special weather statement, Sep 25, 11:06 PM CDT, 2 hours 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1110 PM CDT THU SEP 25 1986 A THUNDERSTORM CONTINUES NEAR LEAKEY IN REAL COUNTY. THIS STORM LIKELY CONTAINS HEAVY RAINFALL WHICH COULD CAUSE LOCALIZED FLOODING OF CREEKS AND LOW-WATER CROSSINGS. OCCASIONAL LIGHTNING ACCOMPANIES THIS STORM. SMALL HAIL IS ALSO POSSIBLE. RUNOFF FROM THIS THUNDERSTORM MAY CAUSE A MODERATE RISE ON THE FRIO RIVER DOWNSTREAM PAST GARNER STATE PARK TONIGHT AND FRIDAY MORNING. CAMPERS SHOULD BE PREPARED TO MOVE AWAY FROM THE FLOOD PLAIN OF THE FRIO RIVER AND TO HIGHER GROUND. THIS THUNDERSTORM IN WITHIN AN AREA OF STORMS WHICH EXTEND INTO WESTERN BANDERA AND KERR COUNTIES AND NORTHWARD. MOTORISTS ALONG INTERSTATE 10 BETWEEN KERRVILLE AND JUNCTION MAY EXPERIENCE REDUCED VISIBILITIES IN THE HEAVY RAIN...ALONG WITH SLICK WET ROADS. DRIVING MAY BE LOCALLY HAZARDOUS. < THE THUNDERSTORMS SHOULD BEGIN TO DECREASE IN A FEW HOURS.A..IN THE MEANTIME PLEASE STAY TUNED TO LATER UPDATES AS CONDITIONS WARRANT.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 5:13 AM CDT | Flash Flood Warning | EWX | Kerr | 4 hr |
| Sep 26, 8:59 AM CDT | Flash Flood Warning | EWX | Kerr | 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.