Alert archive / Tennessee / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 34, NWS Nashville, TN

May 26, 1989Cannon County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 26, 1989, 6:01 PM CDT for Cannon County, Tennessee. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
May 26, 1989, 6:01 PM CDT (23:01 UTC)
Expired
May 26, 1989, 6:45 PM CDT
In force
44 min
Issued by
NWS Nashville, TN
Area
Whole counties

County Cannon 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 60 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 1989-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 828 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 1989-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 266 square meters per square second.19395878Sfc1 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
828 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
831 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
266 m²/s²
0-3 km storm-relative helicity
278 m²/s²
Significant tornado parameter
1.2
Supercell composite
5.9

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 Nashville, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 3:09 PM CDTSevere Thunderstorm WarningOHXHouston, Humphreys66 min
May 26, 4:12 PM CDTSevere Thunderstorm WarningOHXDickson, Hickman, Humphreys63 min
May 26, 4:59 PM CDTSevere Thunderstorm WarningOHXDavidson, Williamson61 min
May 26, 5:16 PM CDTSevere Thunderstorm WarningOHXMacon, Trousdale59 min
May 26, 5:16 PM CDTSevere Thunderstorm WarningOHXRutherford, Wilson59 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1989Every severe thunderstorm warning in 1989

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.