Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 154, NWS Louisville, KY

July 28, 1997Clinton County, Cumberland County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 28, 1997, 12:44 PM CDT for Clinton County, Cumberland County, Kentucky. It was in force for 31 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
Jul 28, 1997, 12:44 PM CDT (17:44 UTC)
Expired
Jul 28, 1997, 1:15 PM CDT
In force
31 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Clinton County, KY, Cumberland County, KY

The radar

The Nashville radar (KOHX), 129 km from the middle of the area, began a volume at 17:47 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
Jul 28, 1:00 PM CDTHail 0.75Modoc, KYDime size hail reported by a spotter.
Jul 28, 1:05 PM CDTThunderstorm Wind 50Countywide, KYDispatch reports several trees down across the county.

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

Nashville Metro, TN (KBNA), launched 12:00Z, 5.7 hours before the alert went out and 139 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 1997-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3105 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 1997-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.193958Sfc1 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
3105 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1167 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSDF 281745 RRA
SVRSDF
KYC053-057-281815-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
144 PM EDT (1244 PM CDT) MON JUL 28 1997

* SEVERE THUNDERSTORM WARNING FOR
  CLINTON COUNTY - SOUTH CENTRAL KENTUCKY
  EASTERN CUMBERLAND COUNTY - SOUTH CENTRAL KENTUCKY

* UNTIL 115 PM CDT (215 PM EDT)
 
* SOME LOCATIONS AFFECTED
  CROSSROARDS BY 205 PM EDT

* AT 144 PM EDT...NWS DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
30 MILES SOUTHWEST OF SOMERSET...NEAR THE TOWN OF MODOC. THE STORM IS
MOVING EAST AT 20 MPH. DAMAGING WINDS AND HAIL ARE LIKELY WITH THIS
THUNDERSTORM.

IF YOU ARE OUTSIDE OR IN THE PATH OF THIS STORM...SEEK SHELTER INSIDE
A STRONG BUILDING.. AVOID WINDOWS AND STAY OFF THE TELEPHONE UNTIL
THE STORM HAS PASSED.



DEWALD

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 28, 10:00 AM CDT, 2 hours 44 minutes before
KYZ023>034-038-045-046-053-054-063>065-089>100-INZ076>079-083-084-
089>092-282100-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
11 AM EDT MON JUL 28 1997

THE STORM PREDICTION CENTER HAS INDICATED THREAT A SLIGHT RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS SOUTHERN INDIANA AND ALL OF CENTRAL
THIS AFTERNOON AND EVENING.

HOT...HUMID AND UNSTABLE AIR REMAINS IN PLACE ACROSS THE TWO STATE
REGION. A COLD FRONT DROPPING SOUTHWARD INTO THE REGION THIS AFTERNOON
AND NIGHT WILL ACT AS A TRIGGER FOR INCREASED THUNDERSTORM ACTIVITY...
SOME OF WHICH COULD BECOME SEVERE.

THE PRIMARY SEVERE WEATHER THREAT IS FOR DAMAGING WINDS IN THE STRONGER
STORMS.

SPOTTER ACTIVATION MAY BE NEEEDED LATER THIS AFTERNOON AND NIGHT.
Special weather statement, Jul 28, 10:00 AM CDT, 2 hours 44 minutes before
KYZ023>034-038-045-046-053-054-063>065-089>100-INZ076>079-083-084-
089>092-282100-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
11 AM EDT MON JUL 28 1997

THE STORM PREDICTION CENTER HAS INDICATED THREAT A SLIGHT RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS SOUTHERN INDIANA AND ALL OF CENTRAL
KENTUCKY THIS AFTERNOON AND EVENING.

HOT...HUMID AND UNSTABLE AIR REMAINS IN PLACE ACROSS THE TWO STATE
REGION. A COLD FRONT DROPPING SOUTHWARD INTO THE REGION THIS AFTERNOON
AND NIGHT WILL ACT AS A TRIGGER FOR INCREASED THUNDERSTORM ACTIVITY...
SOME OF WHICH COULD BECOME SEVERE.

THE PRIMARY SEVERE WEATHER THREAT IS FOR DAMAGING WINDS IN THE STRONGER
STORMS.

SPOTTER ACTIVATION MAY BE NEEEDED LATER THIS AFTERNOON AND NIGHT.
Special weather statement, Jul 28, 10:07 AM CDT, 2 hours 37 minutes before
KYZ023>034-038-045-046-053-054-063>065-089>100-INZ076>079-083-084-
089>092-282100-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
11 AM EDT MON JUL 28 1997

THE STORM PREDICTION CENTER HAS INDICATED THREAT A SLIGHT RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS SOUTHERN INDIANA AND ALL OF CENTRAL
THIS AFTERNOON AND EVENING.

HOT...HUMID AND UNSTABLE AIR REMAINS IN PLACE ACROSS THE TWO STATE
REGION. A COLD FRONT DROPPING SOUTHWARD INTO THE REGION THIS AFTERNOON
AND NIGHT WILL ACT AS A TRIGGER FOR INCREASED THUNDERSTORM ACTIVITY...
SOME OF WHICH COULD BECOME SEVERE.

THE PRIMARY SEVERE WEATHER THREAT IS FOR DAMAGING WINDS IN THE STRONGER
STORMS.

SPOTTER ACTIVATION MAY BE NEEEDED LATER THIS AFTERNOON AND NIGHT.
Special weather statement, Jul 28, 10:12 AM CDT, 2 hours 32 minutes before
KYZ023>034-038-045-046-053-054-063>065-089>100-INZ076>079-083-084-
089>092-282100-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
11 AM EDT MON JUL 28 1997

THE STORM PREDICTION CENTER HAS INDICATED THREAT A SLIGHT RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS SOUTHERN INDIANA AND ALL OF CENTRAL
KENTUCKY THIS AFTERNOON AND EVENING.

HOT...HUMID AND UNSTABLE AIR REMAINS IN PLACE ACROSS THE TWO STATE
REGION. A COLD FRONT DROPPING SOUTHWARD INTO THE REGION THIS AFTERNOON
AND NIGHT WILL ACT AS A TRIGGER FOR INCREASED THUNDERSTORM ACTIVITY...
SOME OF WHICH COULD BECOME SEVERE.

THE PRIMARY SEVERE WEATHER THREAT IS FOR DAMAGING WINDS IN THE STRONGER
STORMS.

SPOTTER ACTIVATION MAY BE NEEEDED LATER THIS AFTERNOON AND NIGHT.

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 27, 8:06 PM CDTTornado WarningLMKJefferson24 min
Jul 28, 1:17 PM CDTFlash Flood WarningLMKClinton, Cumberland63 min
Jul 28, 2:16 PM CDTSevere Thunderstorm WarningLMKCumberland, Metcalfe34 min
Jul 28, 2:29 PM CDTSevere Thunderstorm WarningLMKCasey31 min
Jul 28, 2:59 PM CDTSevere Thunderstorm WarningLMKLogan46 min
Jul 28, 3:06 PM CDTSevere Thunderstorm WarningLMKBarren, Metcalfe49 min
Jul 28, 3:14 PM CDTSevere Thunderstorm WarningLMKGreen66 min
Jul 28, 3:20 PM CDTSevere Thunderstorm WarningLMKSimpson35 min
Jul 28, 3:43 PM CDTSevere Thunderstorm WarningLMKBoyle, Mercer47 min
Jul 28, 3:55 PM CDTSevere Thunderstorm WarningLMKAllen20 min
Jul 28, 6:50 PM CDTSevere Thunderstorm WarningLMKSimpson, Warren45 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; radar from the NEXRAD Level II archive.