Alert archive / Tennessee / Tornado Warnings in 1986

Tornado Warning 2, NWS Nashville, TN

March 12, 1986Lawrence County, Maury County, Tennessee

NWS Nashville, TN issued this tornado warning at Mar 12, 1986, 5:00 PM CST for Lawrence County, Maury County, Tennessee. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Mar 12, 1986, 5:00 PM CST (23:00 UTC)
Expired
Mar 12, 1986, 6:00 PM CST
In force
60 min
Issued by
NWS Nashville, TN
Area
Whole counties

Counties Lawrence County, TN, Maury County, TN

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

Nashville Metro, TN (KBNA), launched 12:00Z, 11.0 hours before the alert went out and 98 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, Nashville Metro, TN at 12:00Z on 1986-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 349 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, Nashville Metro, TN at 12:00Z on 1986-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 345 square meters per square second.1939587897Sfc1 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
349 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
961 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
345 m²/s²
0-3 km storm-relative helicity
417 m²/s²
Significant tornado parameter
1.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBNA 122306
TORBNA
TNC099-119-122300-


BULLETIN..EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
500 PM CST WED MAR 12 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE
UNTIL 600 PM CST  FOR..PERSONS IN LAWRENCE AND MAURY COUNTIES IN
MIDDLE TENNESSEE.

A POSSIBLE TORNADO WAS INDICATED BY RADAR ENTERING SOUTHERN
LAWRENCE COUNTY 15 MILES SOUTH OF LAWRENCEBURG TENNESSEE MOVING
TOWARD THE NORTH AT 50 MILES AN HOUR.

IF THREATENING WEATHER APPROACHES YOU..SEEK SAFE SHELTER IMMEDIATELY.
A BASEMENT..INTERIOR HALLWAY OR ROOM ON THE LOWEST FLOOR IS THE SAFEST
PLACE IN MOST BUILDINGS.

STAY TUNED TO THIS STATION FOR ADDITIONAL WEATHER INFORMATION.







The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 12, 8:00 AM CSTSevere Thunderstorm WarningOHXWarren45 min

Nearby

Tornado Warnings in Tennessee, 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; the sounding from the Mesonet's radiosonde archive.