Alert archive / Texas / Tornado Warnings in 1986

Tornado Warning 5, NWS San Angelo, TX

July 11, 1986Concho County, Texas

NWS San Angelo, TX issued this tornado warning at Jul 11, 1986, 8:40 PM CDT for Concho County, Texas. It was in force for 65 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 11, 1986, 8:40 PM CDT (01:40 UTC)
Expired
Jul 11, 1986, 9:45 PM CDT
In force
65 min
Issued by
NWS San Angelo, TX
Area
Whole counties

County Concho County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 11, 8:40 PM CDTTornado F0Concho, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 1.7 hours before the alert went out and 194 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.

Skew-T log-pSkew-T log-p diagram, Stephenville/Cla, TX at 00:00Z on 1986-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 727 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Stephenville/Cla, TX at 00:00Z on 1986-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
727 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
2112 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSJT 120145
TORSJT
TXC095-120245-

BULLETIN (EBS ACTIVATION REQUESTED)
TORNADO WARNING
NATIONAL WEATHER SERVICE  SAN ANGELO TX
840 PM CDT FRI JUL 11 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE
UNTIL 0945PM FOR PEOPLE IN THE FOLLOWING COUNTY IN

SOUTHWEST TEXAS...CONCHO

AT 838 PM DPS REPORTED TORNADO ON THE GROUND 7 MILES WEST OF PAINT ROCK
OFF OF HIGHWAY 83 MOVING SOUTHEAST

IF THREATENING WEATHER APPROACHES....SEEK SHELTER
 IMMEDIATELY. TO REPORT
SEVERE WEATHER...ASK YOU NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
REPORT THE NATIONAL WEATHER SERVICE OFFICE IN SAN ANGELO.

What forecasters said that day

The local office's own words before this tornado 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, Jul 11, 6:11 PM CDT, 2 hours 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABILENE TX
610 PM CDT FRI JUL 11 1986

AT 605 PM A VERY HEAVY THUNDERSTORM WAS LOCATED 2 MILES WEST OF
GOLDSBORO. VERY HEAVY RAIN, STRONG GUSTY WINDS, INTENSE LIGHTNING
AND HAIL ARE POSSIBLE IN THIS STORM. THIS STORM WAS DRIFTING SLOWLY
TO THE NORTHEAST.

ANOTHER HEAVY THUNDERSTORM WAS OCCURRING ON HIGHWAY 283 AT THE COLEMAN/
CALLAHAN COUNTY LINE OF ABOUT 12 MILES NORTHEAST OF NOVICE. MOVEMENT
WAS TO THE NORTHEAST 5 TO 10 MILES AN HOUR.

DUE TO THE SLOW MOVEMENT OF THESE STORMS SOME LOCALIZED FLOODING OF
LOW LYING AREAS IS POSSIBLE. AREA RESIDENTS SHOULD REMAIN ALERT FOR
HEAVY RAIN AND POSSIBLE FLOODING.

STAY TUNED TO LOCA8L RADIO OR TV OR NOAA WEATHER RADIO FOR THE LATEST
WEATHER INFORMATION.
Special weather statement, Jul 11, 7:17 PM CDT, 1 hour 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABILENE TX
720 PM CDT FRI JUL 11 1986

AT 710 PM HEAVY THUNDERSTORMS WERE OCCURRING NEAR NOVICE AND ON THE
COLEMAN/RUNNELS COUNTY LINE BOTH NORTH AND SOUTH OF TALPA. THESE
STORMS WERE MOVING SLOWLY TO THE NORTHEAST. VERY HEAVY RAIN..GUSTY
WINDS AND SMALL HAIL ARE POSSIBLE IN THESE STORMS.

DUE TO THE SLOW MOVEMENT OF THESE STORMS SOME FLOODING OF LOW LYING
AREAS AND LOW WATER CROSSINoGS IS POSSIBLE. MOTORIST SHOULD NOT ATTEMPT
TO DRIVE THROUGH FLOODED AREAS.

STAY TUNED TO LOCAL RADIO OR TV OR NOAA WEATHER RADIO FOR THE LATEST
WEATHER INFORMATION.
Special weather statement, Jul 11, 8:25 PM CDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABILENE TX
825 PM CDT FRI JUL 11 1986

AT 815 PM THE HEAVY THUNDERSTORM ACTIVITY HAD ENDED ACROSS THE BIG
COUNTRY. LIGHT TO MODERATE SHOWERS AND THUNDERSTORMS CONTINUED OVER
CENTRAL AND NORTHERN COLEMAN COUNTY. THIS WILL BE THE LAST STATEMENT
ISSUED UNTIL SIGNIFICANT THUNDERSTORM ACTIVITY REDEVELOPS IN THE AREA.

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 11, 7:15 PM CDTSevere Thunderstorm WarningSJTRunnels75 min
Jul 11, 9:08 PM CDTSevere Thunderstorm WarningSJTTom Green67 min

Nearby

Tornado Warnings in Texas, 1986Every tornado warning in 1986Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.