Alert archive / Texas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 84, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Oct 11, 1986, 12:49 AM CDT for Zavala County, Texas. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Oct 11, 1986, 12:49 AM CDT (05:49 UTC)
- Expired
- Oct 11, 1986, 1:50 AM CDT
- In force
- 61 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Zavala 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, 5.8 hours before the alert went out and 119 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
- 384 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 776 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 287 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 10, 10:13 PM CDT, 2 hours 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 1015 PM CDT FRI OCT 10 1986 AT 100O PM CDT A LINE OF THUNDERSTORMS WAS MOVING THOUGH VAL VERDE COUNTY. ONLY WEAK THUNDERSTORMS WERE LOCATED WITHIN THE COUNTY. A STRONG THUNDERSTORM WAS LOCATED 50 MILES WEST OF DEL RIO...IN MEXICO. THIS THUNDERSTORM WAS MOVING TO THE EAST AT ABOUT 25 MILES AN HOUR. IF THIS THUNDERSTORM MAINTAINS ITS CURRENT INTENSITY...VERY STRONG GUSTY WINDS CAN BE EXPECTED AS THE STORM MOVES THOUGH THE AREA. BOATERS ON LAKE AMISTAD SHOULD SEEK SAFE HARBOR BEFOR THE STORM ARRIVES. THESE THUNDERSTORMS COULD ALSO PRODUCE BRIEF HEAVY RAINFALL..STRONG LIGHTNING STRIKES. EVERYONE SHOULD MONITOR THE WEATHER...YO)UR NATIONAL WEATHER SERVICE WILL ISSUE ADDITIONAL STATEMENTS AS CONDITIONS WARRANT.
Special weather statement, Oct 11, 12:38 AM CDT, 11 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.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 1:15 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 60 min |
| Oct 11, 5:45 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa | 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.