Alert archive / Texas / Tornado Warnings in 1986

Tornado Warning 45, NWS Fort Worth, TX

May 6, 1986Callahan County, Coleman County, Texas

NWS Fort Worth, TX issued this tornado warning at May 6, 1986, 6:50 PM CDT for Callahan County, Coleman County, Texas. It was in force for 70 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
May 6, 1986, 6:50 PM CDT (23:50 UTC)
Expired
May 6, 1986, 8:00 PM CDT
In force
70 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Callahan County, TX, Coleman 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
May 6, 7:30 PM CDTThunderstorm Wind 0Coleman, 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 12:00Z, 11.8 hours before the alert went out and 125 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 12:00Z on 1986-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1714 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 12:00Z on 1986-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.193958Sfc1 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
1714 J/kg
Mixed-layer CIN
-278 J/kg
Mixed-layer LCL
686 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 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, May 6, 5:26 PM CDT, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
525 PM CDT TUE MAY 6 1986

...THUNDERSTORMS DEVELOPING RAPIDLY IN WESTERN PORTION OF NORTH TEXAS...

AT 520 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
RAPIDLY DEVELOPING THUNDERSTORMS ACROSS THE WESTERN PORTION OF NORTH
TEXAS. THESE THUNDERSTORMS WERE ENTERING THE WESTERN PORTIONS OF
STEPHENS AND EASTLAND COUNTIES.

THE ATMOSPHERE ACROSS NORTH TEXAS IS VERY UNSTABLE AND THESE
THUNDERSTORMS COULD CONTINUE TO DEVELOP DURING THE NEXT COUPLE OF
HOURS. RESIDENTS OF STEPHENS AND EASTLAND COUNTIES CAN EXPECT GUSTY
WINDS AND POSSIBLY SOME HAIL FROM THESE STORMS. THE NATIONAL WEATHER
SERVICE WILL CONTINUE TO CLOSELY MONITOR THESE THUNDERSTORMS.

LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO/TV FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS.

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 5:30 PM CDTSevere Thunderstorm WarningFWDShackelford, Throckmorton60 min
May 6, 5:35 PM CDTSevere Thunderstorm WarningFWDStephens55 min
May 6, 5:50 PM CDTSevere Thunderstorm WarningFWDCallahan60 min
May 6, 6:05 PM CDTSevere Thunderstorm WarningFWDColeman60 min
May 6, 6:15 PM CDTSevere Thunderstorm WarningFWDArcher, Wilbarger30 min
May 6, 6:35 PM CDTSevere Thunderstorm WarningFWDShackelford60 min
May 6, 6:36 PM CDTSevere Thunderstorm WarningFWDStephens69 min
May 6, 6:55 PM CDTSevere Thunderstorm WarningFWDArcher, Wilbarger35 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.