Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 119, NWS Memphis, TN

April 30, 1997Weakley County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Apr 30, 1997, 8:07 PM CDT for Weakley County, Tennessee. It was in force for 33 min. 2 reports 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
Apr 30, 1997, 8:07 PM CDT (01:07 UTC)
Expired
Apr 30, 1997, 8:40 PM CDT
In force
33 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Weakley County, TN

The radar

The Paducah radar (KPAH), 86 km from the middle of the area, began a volume at 01:08 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Apr 30, 8:17 PM CDTThunderstorm WindMartin, TNA convenience store lost the padding from its building. Numerous large trees limbs were knocked down. Some phone lines were downed as well.
Apr 30, 8:20 PM CDTHail 1.75Martin, TN

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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 30, 6:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.1 hours before the alert went out and 191 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 00:00Z on 1997-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 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 00:00Z on 1997-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 308 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
70 J/kg
Mixed-layer CIN
-236 J/kg
Mixed-layer LCL
1685 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
308 m²/s²
0-3 km storm-relative helicity
433 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

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 30, 7:56 PM CDTSevere Thunderstorm WarningMEGShelby34 min
Apr 30, 8:27 PM CDTSevere Thunderstorm WarningMEGHenry48 min
Apr 30, 8:41 PM CDTSevere Thunderstorm WarningMEGShelby49 min
Apr 30, 8:44 PM CDTSevere Thunderstorm WarningMEGFayette31 min
Apr 30, 9:01 PM CDTSevere Thunderstorm WarningMEGHardeman49 min
Apr 30, 9:38 PM CDTSevere Thunderstorm WarningMEGChester32 min
Apr 30, 9:54 PM CDTSevere Thunderstorm WarningMEGHardeman31 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1997Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.