Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 217, NWS Paducah, KY

July 28, 1997Graves County, Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at Jul 28, 1997, 7:14 PM CDT for Graves County, Kentucky. It was in force for 46 min. 1 report 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
Jul 28, 1997, 7:14 PM CDT (00:14 UTC)
Expired
Jul 28, 1997, 8:00 PM CDT
In force
46 min
Issued by
NWS Paducah, KY
Area
Whole counties

County Graves County, KY

What was reported inside it

TimeReportWhereRemark
Jul 28, 7:55 PM CDTHail 0.75Farmington, KY

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 nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.2 hours before the alert went out and 241 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 1997-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 922 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 1997-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.1939Sfc1 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
922 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1861 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
115 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 Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 7:12 PM CDTSevere Thunderstorm WarningPAHCalloway48 min
Jul 28, 7:54 PM CDTSevere Thunderstorm WarningPAHCalloway, Carlisle, Graves, Marshall51 min
Jul 28, 8:13 PM CDTSevere Thunderstorm WarningPAHHickman32 min
Jul 28, 8:38 PM CDTSevere Thunderstorm WarningPAHBallard37 min
Jul 28, 8:44 PM CDTSevere Thunderstorm WarningPAHCarlisle31 min
Jul 28, 7:33 PM CDTSevere Thunderstorm WarningPAHCape Girardeau27 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 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.