Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 174, NWS Memphis, TN

May 6, 1998Hardeman County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at May 6, 1998, 4:07 AM CDT for Hardeman County, Tennessee. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 6, 1998, 4:07 AM CDT (09:07 UTC)
Expired
May 6, 1998, 4:55 AM CDT
In force
48 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Hardeman County, TN

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 9.1 hours before the alert went out and 97 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, Little Rock, AR at 00:00Z on 1998-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 99 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, Little Rock, AR at 00:00Z on 1998-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
99 J/kg
Mixed-layer CIN
-190 J/kg
Mixed-layer LCL
1806 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
292 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
May 6, 2:02 AM CDTSevere Thunderstorm WarningMEGShelby58 min
May 6, 2:30 AM CDTSevere Thunderstorm WarningMEGFayette60 min
May 6, 2:56 AM CDTSevere Thunderstorm WarningMEGHardeman, Haywood44 min
May 6, 3:33 AM CDTSevere Thunderstorm WarningMEGMadison47 min
May 6, 4:14 AM CDTSevere Thunderstorm WarningMEGLake36 min
May 6, 5:03 AM CDTSevere Thunderstorm WarningMEGCrockett, Haywood32 min
May 6, 5:37 PM CDTSevere Thunderstorm WarningMEGCrockett48 min
May 6, 1:57 PM CDTSevere Thunderstorm WarningMEGTishomingo48 min
May 6, 2:05 PM CDTTornado WarningMEGTishomingo20 min
May 6, 2:43 PM CDTSevere Thunderstorm WarningMEGTishomingo32 min
May 6, 2:16 AM CDTSevere Thunderstorm WarningMEGPoinsett59 min
May 6, 3:02 AM CDTSevere Thunderstorm WarningMEGMississippi63 min
May 6, 3:24 AM CDTSevere Thunderstorm WarningMEGPoinsett31 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1998Every severe thunderstorm warning in 1998

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.