Alert archive / Texas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 86, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Oct 11, 1986, 5:45 AM CDT for Atascosa County, Texas. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Oct 11, 1986, 5:45 AM CDT (10:45 UTC)
- Expired
- Oct 11, 1986, 6:45 AM CDT
- In force
- 60 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Atascosa 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, 10.8 hours before the alert went out and 159 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
- 4 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 111045 SVRSAT TXC013-111145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 545 AM CDT SAT OCT 11 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTH CENTRAL TEXAS...WESTERN ATASCOSA AT 540 AM CDT A SEVERE THUNDERSTORM WAS INDICATED BY NATIONAL WEATHER SERVICE RADAR IN WESTERN ATASCOSO COUNTY. MOVEMENT WAS EAST AT 30 MILES AN HOUR. THIS THUNDERSTORM WILL MOVE INTO THE THE TOWNS OF PLEASANTON AND JOURDANTON WITHIN THE HOUR. FREQUENT LIGHTNING..STRONG DAMAGING WINDS AND LARGE HAIL WILL LIKELY OCCUR IN THIS STORM. IN ADDITION..LOCALLY HEAVY RAINFALL AND FLOODING OFTEN ACCOMPANY SEVERE 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 SEVERE WEATHER EVENT.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 11, 12:38 AM CDT, 5 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1240 AM CDT SAT OCT 11 1986 AT 1230 AM CDT MODERATE THUNDERSTORMS WERE MOVING THOUGH DEL RIO. A VERY STRONG THUNDERSTORM WAS LOCATED 15 MILES SOUTHWEST OF DEL RIO...IN MEXICO. THIS THUNDERSTORM WAS MOVING TO THE EAST AT ABOUT 25 MILES AN HOUR. VERY STRONG GUSTY WINDS CAN BE EXPECTED AS THE STORMS MOVES THOUGH THE AREA. BOATERS ON LAKE AMISTAD SHOULD SEEK SAFE HARBOR. THESE THUNDERSTORMS COULD PRODUCE BRIEF HEAVY RAINFALL AND STRONG LIGHTNING STRIKES. EVERYONE SHOULD MONITOR THE WEATHER CLOSELY AND BE PREPARED TO TAKE SHELTER IF NECESSARY. YOUR NATIONAL WEATHER SERVICE WILL ISSUE ADDITIONAL STATEMENTS AS CONDITIONS WARRANT.
Special weather statement, Oct 11, 2:11 AM CDT, 3 hours 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 210 AM CDT SAT OCT 11 1986 ...VERY HEAVY THUNDERSTORMS MOVING INTO KINNEY AND MAVERICK COUNTIES... AT 210 AM CDT WEATHER SERVICE RADAR INDICATED VERY HEAVY THUNDERSTORMS MOVING INTO SOUTHWEST KINNEY COUNTY AND NORTHWEST MAVERICK COUNTY. THESE THUNDERSTORMS WERE MOVING TO THE EAST AT 25 MILES AN HOUR. PERSONS IN THE TOWNS OF BRACKETTVILLE AND SPOFFORD SHOULD BE ALERT FOR6 BRIEF HEAVY RAINS...GUSTY WINDS...AND POSSIBLE SMALL HAIL WITH THE PASSAGE OF THESE STORMS. ADDITIONAL STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.
Special weather statement, Oct 11, 3:06 AM CDT, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 305 AM CDT SAT OCT 11 1986 ...VERY HEAVY THUNDERSTORMS MOVING INTO UVALDE AND ZAVALA COUNTIES... AT 305 AM CDT WEATHER SERVICE RADAR INDICATED VERY HEAVY THUNDERSTORMS MOVING INTO SOUTHWEST UVALDE AND WESTERN ZAVALA COUNTIES. THESE THUNDERSTORMS WERE MOVING TO THE EAST AT 30 TO 35 MILES AN HOUR. PERSONS IN THE TOWNS OF CLINE...LA PRYOR...AND CRYSTAL CITY SHOULD BE ALERT FOR BRIEF HEAVY RAINS...GUSTY WINDS...AND POSSIBLE SMALL HAIL WITH THE PASSAGE OF THESE STORMS. ADDITIONAL STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.
Special weather statement, Oct 11, 3:22 AM CDT, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 310 AM CDT SAT OCT 11 1986 ...THUNDERSTORMS AND HEAVY RAINS MOVING ACROSS THE HILL COUNTRY. A BROAD AREA OF THUNDERSTORMS AND RAIN...SOME HEAVY...CONTINUES TO MOVE EASTWARD ACROSS THE HILL COUNTRY. THIS AREA IS ABOUT 70 TO 100 MILES WIDE AND EXTENDS WEST OF A LINE FROM 20 MILES WEST OF WACO TO MARBLE FALLS TO BLANCO TO JUST WEST OF SAN ANTONIO TO THE RIO GRANDE NEAR EAGLE PASS. THIS AREA OF RAIN IS MOVING EASTWARD AT ABOUT 25 MPH. PERSONS IN THE HILL COUNTRY SHOULD USE CAUTION WHEN APPROACHING LOW WATER CROSSINGS FOR THE NEXT SEVERAL HOURS.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 12:49 AM CDT | Severe Thunderstorm Warning | EWX | Zavala | 61 min |
| Oct 11, 1:15 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 60 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1986Every severe thunderstorm 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.