Alert archive / Tennessee / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 23, NWS Memphis, TN

April 7, 1986Lauderdale County, Tipton County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Apr 7, 1986, 3:12 PM CST for Lauderdale County, Tipton County, Tennessee. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Apr 7, 1986, 3:12 PM CST (21:12 UTC)
Expired
Apr 7, 1986, 4:00 PM CST
In force
48 min
Issued by
NWS Memphis, TN
Area
Whole counties

Counties Lauderdale County, TN, Tipton 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

Salem-Leckrone, IL (KSLO), launched 12:00Z, 9.2 hours before the alert went out and 343 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, Salem-Leckrone, IL at 12:00Z on 1986-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Salem-Leckrone, IL at 12:00Z on 1986-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2086 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
154 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 6:32 PM CSTSevere Thunderstorm WarningMEGHenry23 min
Apr 7, 2:26 AM CSTSevere Thunderstorm WarningMEGMadison49 min
Apr 7, 3:48 AM CSTSevere Thunderstorm WarningMEGHenry57 min
Apr 7, 2:26 PM CSTSevere Thunderstorm WarningMEGChester49 min
Apr 7, 3:58 PM CSTSevere Thunderstorm WarningMEGFayette47 min
Apr 7, 3:53 AM CSTSevere Thunderstorm WarningMEGClay67 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 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.