Alert archive / Kentucky / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 21, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Feb 21, 1997, 11:11 AM EST for McCreary County, Kentucky. It was in force for 34 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
- Feb 21, 1997, 11:11 AM EST (16:11 UTC)
- Expired
- Feb 21, 1997, 11:45 AM EST
- In force
- 34 min
- Issued by
- NWS Jackson, KY
- Area
- Whole counties
County McCreary County, KY
The radar
The Knoxville radar (KMRX), 116 km from the middle of the area, began a volume at 16:13 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 21, 8:30 AM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 4.2 hours before the alert went out and 201 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.
- Mixed-layer CAPE
- 133 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 392 m²/s²
- 0-3 km storm-relative helicity
- 598 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJKL 211613 SVRJKL KYC147-211645- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON KY 1111 AM EST FRI FEB 21 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 AM EST FOR PEOPLE IN THE FOLLOWING COUNTY... IN SOUTH CENTRAL KENTUCKY ...MCCREARY THE SEVERE THUNDERSTORM WARNING FOR MCCREARY COUNTY WILL BE EXTENDED. THE LINE OF DAMAGING THUNDERSTORMS WILL MOVE THROUGH PLEASANT RUN...SANDHILL...HONEYBEE AND SAWYER. THE STORMS ARE MOVING EAST AT 30 MPH AND WILL PRODUCE WIND GUST OVER 50 MPH. LEWIS
The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 10:21 AM EST | Severe Thunderstorm Warning | JKL | Wayne | 49 min |
| Feb 21, 10:38 AM EST | Severe Thunderstorm Warning | JKL | McCreary | 32 min |
| Feb 21, 10:38 AM EST | Severe Thunderstorm Warning | JKL | Powell | 32 min |
| Feb 21, 11:09 AM EST | Severe Thunderstorm Warning | JKL | Laurel, Rockcastle | 31 min |
| Feb 21, 11:21 AM EST | Severe Thunderstorm Warning | JKL | Jackson | 44 min |
| Feb 21, 11:36 AM EST | Severe Thunderstorm Warning | JKL | Bell, Knox | 34 min |
| Feb 21, 12:16 PM EST | Severe Thunderstorm Warning | JKL | Breathitt, Morgan, Wolfe | 34 min |
| Feb 21, 12:31 PM EST | Severe Thunderstorm Warning | JKL | Knott, Perry | 34 min |
| Feb 21, 12:31 PM EST | Severe Thunderstorm Warning | JKL | Magoffin | 34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.