Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 33, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 4, 1986, 11:45 AM CDT for Bexar County, Texas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jun 4, 1986, 11:45 AM CDT (16:45 UTC)
- Expired
- Jun 4, 1986, 2:00 PM CDT
- In force
- 2 hr
- 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 12:00Z, 4.8 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
- 1750 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 566 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
- 65 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 041645 FFWSAT TXC029-041900- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 1145 AM CDT WED JUN 4 1986 THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLASH FLOOD WARNING EFFECTIVE UNTIL 200 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTH CENTRAL TEXAS...BEXAR LIGHT TO MODERATE RAIN CONTINUES ACROSS BEXAR COUNTY AND THE CITY OF SAN ANTONIO. ALTHOUGH RAIN HAS DECREASED DURING THE PAST HOUR.. MANY LOW WATER CROSSINGS AND ROADWAYS REMAIN FLOODED AND THE FLOODING SITUATION REMAINS DANGEROUS. REMEMBER..DEATHS DURING FLASH FLOODING ARE FREQUENTLY RELATED TO MOTORISTS DRIVING INTO FLOODED LOW WATER CROSSINGS AND CHILDREN PLAYING AROUND FLOODED STREAMS AND DRAINAGE AREAS. THE FLASH FLOOD WARNINGS ISSUED EARLIER FOR MEDINA..FRIO..ATASCOSA.. COMAL..AND GUADALUPE COUNTIES HAVE EXPIRED. LIGHT RAIN CONTINUES OVER MOST OF THOSE COUNTIES..BUT HEAVY RAIN HAS DECREASED SIGNIFICANTLY DURING TH E PAST COUPLE OF HOURS. HOWEVER..IT WILL TAKE A COUPLE OF MORE HOURS FOR THE WATERS TO RECEDE AND MOTORISTS SHOULD BE VERY CAREFUL AROUND FLOODED LOW WATER CROSSINGS THROUGHOUT THE REMAINDER OF THE AFTERNOON.
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 4, 5:45 AM CDT, 6 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
540 AM CDT WED JUN 04 1986
...A FLASH FLOOD WATCH IN EFFECT FOR CENTRAL TEXAS AND THE ADJACENT
HILL COUNTRY TODAY...
AT 535 AM CDT RADAR INDICATED LIGHT RAIN AND SCATTERED THUNDERSTORMS
FROM AUSTIN WESTWARD TO JOHNSON CITY..KERRVILLE..SAN ANTONIO TO HONDO.
HEAVIEST HAVE OCCURRED IN AND AROUND SAN ANTONIO METROPLEX. AS MUCH AS
6 INCHES OF RAIN AS OCCURRED SINCE MIDNIGHT IN SOME PARTS OF THE CITY
BEXAR COUNTY.
LATER TODAY..THUNDERSTORMS WITH THE POTENTIAL OF PRODUCING HEAVY RAINS
IN A SHORT PERIOD OF TIME ARE EXPECTED TO DEVELOP OVER PARTS OF THE
WATCH AREA. THE GROUND REMAINS NEAR SATURATION FROM PREVIOUS HEAVY
RAINS OF THE LAST FEW DAYS. THEREFORE ANY ADDITIONA HEAVY RAINS THAT
OCCUR IN THE WATCH AREA WILL LIKELY PRODUCE FLASH FLOODING.
2 PAGES
KEEP INFORMED OF DEVELOPING THUNDERSTORMS IN YOUR AREA BY TUNING TO
NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.Special weather statement, Jun 4, 5:55 AM CDT, 5 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 540 AM CDT WED JUN 04 1986 ...A FLASH FLOOD WATCH IN EFFECT FOR CENTRAL TEXAS AND THE ADJACENT HILL COUNTRY TODAY... AT 535 AM CDT RADAR INDICATED LIGHT RAIN AND SCATTERED THUNDERSTORMS FROM AUSTIN WESTWARD TO JOHNSON CITY..KERRVILLE..SAN ANTONIO TO HONDO. HEAVIEST HAVE OCCURRED IN AND AROUND SAN ANTONIO METROPLEX. AS MUCH AS 6 INCHES OF RAIN AS OCCURRED SINCE MIDNIGHT IN SOME PARTS OF THE CITY BEXAR COUNTY. LATER TODAY..THUNDERSTORMS WITH THE POTENTIAL OF PRODUCING HEAVY RAINS IN A SHORT PERIOD OF TIME ARE EXPECTED TO DEVELOP OVER PARTS OF THE WATCH AREA. THE GROUND REMAINS NEAR SATURATION FROM PREVIOUS HEAVY RAINS OF THE LAST FEW DAYS. THEREFORE ANY ADDITIONA HEAVY RAINS THAT OCCUR IN THE WATCH AREA WILL LIKELY PRODUCE FLASH FLOODING. KEEP INFORMED OF DEVELOPING THUNDERSTORMS IN YOUR AREA BY TUNING TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jun 4, 6:08 AM CDT, 5 hours 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 540 AM CDT WED JUN 04 1986 ...A FLASH FLOOD WATCH IN EFFECT FOR CENTRAL TEXAS AND THE ADJACENT HILL COUNTRY TODAY... AT 535 AM CDT RADAR INDICATED LIGHT RAIN AND SCATTERED THUNDERSTORMS FROM AUSTIN WESTWARD TO JOHNSON CITY..KERRVILLE..SAN ANTONIO TO HONDO. HEAVIEST HAVE OCCURRED IN AND AROUND SAN ANTONIO METROPLEX. AS MUCH AS 6 INCHES OF RAIN AS OCCURRED SINCE MIDNIGHT IN SOME PARTS OF THE CITY OF SAN ANTONIO AND BEXAR COUNTY. LATER TODAY..THUNDERSTORMS WITH THE POTENTIAL OF PRODUCING HEAVY RAINS IN A SHORT PERIOD OF TIME ARE EXPECTED TO DEVELOP OVER PARTS OF THE WATCH AREA. THE GROUND REMAINS NEAR SATURATION FROM PREVIOUS HEAVY RAINS OF THE LAST FEW DAYS. THEREFORE ANY ADDITIONAL HEAVY RAINS THAT OCCUR IN THE WATCH AREA WILL LIKELY PRODUCE FLASH FLOODING. KEEP INFORMED OF DEVELOPING THUNDERSTORMS IN YOUR AREA BY TUNING TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jun 4, 7:32 AM CDT, 4 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 725 AM CDT WED JUN 04 1986 ...A FLASH FLOOD WATCH IN EFFECT FOR CENTRAL TEXAS AND THE ADJACENT HILL COUNTRY TODAY... AT 725 AM CDT RADAR INDICATED LIGHT RAIN AND SCATTERED THUNDERSTORMS FROM KILLEEN TO AUSTIN TO NEAR LULING AND SEGUIN TO WELL SOUTH OF SAN ANTONIO AND WESTWARD TO UVALDE TO KERRVILLE AND BACK TO KILLEEN. THE HEAVIEST THUNDERSTORMS ARE FROM SAN MARCOS TO SOUTHWEST OF THE CITY OF SAN ANTONIO..WHERE MORE THAN 6 INCHES OF RAIN HAS FALLEN. LATER TODAY..THUNDERSTORMS WITH THE POTENTIAL OF PRODUCING HEAVY RAINS IN A SHORT PERIOD OF TIME ARE EXPECTED TO DEVELOP OVER PARTS OF THE WATCH AREA. THE GROUND REMAINS NEAR SATURATION FROM PREVIOUS HEAVY RAINS OF THE LAST FEW DAYS. THEREFORE ANY ADDITIONAL HEAVY RAINS THAT OCCUR IN THE WATCH AREA WILL LIKELY PRODUCE FLASH FLOODING. KEEP INFORMED OF DEVELOPING THUNDERSTORMS IN YOUR AREA BY TUNING TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. IT CAN NOT BE EMPHASIZED ENOUGH TO MOTORISTS TO AVOID ALL LOW WATER CROSSINGS THAT ARE UNDER WATER AS THIS IS A VERY DANGEROUS SITUATION AND MOST FATALITIES OCCURR WHEN MOTORISTS DRIVE INTO DEEP WATER.
Special weather statement, Jun 4, 9:07 AM CDT, 2 hours 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 905 AM CDT WED JUN 04 1986 ...A FLASH FLOOD WATCH IN EFFECT FOR CENTRAL TEXAS AND THE ADJACENT HILL COUNTRY TODAY... AT 900 AM CDT RADAR INDICATED LIGHT RAIN AND SCATTERED THUNDERSTORMS FROM BELTON TO BASTROP TO NEAR LULING TO KARNES CITY TO SOUTH OF SAN ANTONIO AND WESTWARD TO UVALDE TO KERRVILLE AND BACK TO BELTON. THE HEAVIEST THUNDERSTORMS ARE FROM BLANCO TO EAST OF NEW BRAUNFELS TO SOUTH OF SAN ANTONIO..WHERE MORE THAN 6 INCHES OF RAIN HAS FALLEN. THUNDERSTORMS WITH THE POTENTIAL OF PRODUCING HEAVY RAINS IN A SHORT PERIOD OF TIME ARE EXPECTED OVER PARTS OF THE WATCH AREA. THE GROUND REMAINS NEAR SATURATION FROM PREVIOUS HEAVY RAINS OF THE LAST FEW DAYS. THEREFORE ANY ADDITIONAL HEAVY RAINS THAT OCCUR IN THE WATCH AREA WILL LIKELY PRODUCE FLASH FLOODING. KEEP INFORMED OF DEVELOPING THUNDERSTORMS IN YOUR AREA BY TUNING TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. IT CAN NOT BE EMPHASIZED ENOUGH TO MOTORISTS TO AVOID ALL LOW WATER CROSSINGS THAT ARE UNDER WATER AS THIS IS A VERY DANGEROUS SITUATION AND MOST FATALITIES OCCURR WHEN MOTORISTS DRIVE INTO DEEP WATER.
Special weather statement, Jun 4, 11:07 AM CDT, 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1105 AM CDT WED JUN 04 1986 ...A FLASH FLOOD WATCH IN EFFECT FOR CENTRAL TEXAS AND THE ADJACENT HILL COUNTRY TODAY... AT 1100 AM CDT RADAR INDICATED LIGHT RAIN AND SCATTERED THUNDERSTORMS FROM WACO TO HOUSTON TO VICTORIA TO TILDEN TO HONDO TO LLANO. THE HEAVIEST THUNDERSHOWERS ARE NEAR CAMERON AND SAN ANTONIO. HEAVY RAINS ARE CONTINUING FLOODING IN THE SAN ANTONIO AREA AND ALL TRAVEL TO THAT AREA IS DISCOURAGED. THUNDERSTORMS WITH THE POTENTIAL OF PRODUCING HEAVY RAINS IN A SHORT PERIOD OF TIME ARE EXPECTED OVER PARTS OF THE WATCH AREA. THE GROUND REMAINS NEAR SATURATION FROM PREVIOUS HEAVY RAINS OF THE LAST FEW DAYS. THEREFORE ANY ADDITIONAL HEAVY RAINS THAT OCCUR IN THE WATCH AREA WILL LIKELY PRODUCE FLASH FLOODING. KEEP INFORMED OF DEVELOPING THUNDERSTORMS IN YOUR AREA BY TUNING TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. IT CAN NOT BE EMPH;ASIZED ENOUGH TO MOTORISTS TO AVOID ALL LOW WATER CROSSINGS THAT ARE UNDER WATER AS THIS IS A VERY DANGEROUS SITUATION AND MOST FATALITIES OCCURR WHEN MOTORISTS DRIVE INTO DEEP WATER.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 8:58 PM CDT | Flash Flood Warning | EWX | Burnet | 3 hr |
| Jun 4, 12:47 AM CDT | Flash Flood Warning | EWX | Bexar, Comal | 4 hr |
| Jun 4, 3:10 AM CDT | Flash Flood Warning | EWX | Bexar, Comal, Guadalupe | 5 hr |
| Jun 4, 3:10 AM CDT | Flash Flood Warning | EWX | Medina | 5 hr |
| Jun 4, 7:33 AM CDT | Flash Flood Warning | EWX | Bexar, Comal, Guadalupe | 4 hr |
| Jun 4, 7:33 AM CDT | Flash Flood Warning | EWX | Medina | 4 hr |
| Jun 4, 9:01 AM CDT | Flash Flood Warning | EWX | Atascosa | 3 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.