Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 30, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Apr 8, 2021, 10:01 PM EDT for Johnson County, Martin County, Kentucky. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 8, 2021, 10:01 PM EDT (02:01 UTC)
- Expired
- Apr 8, 2021, 10:30 PM EDT
- In force
- 29 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Johnson County, KY, Martin County, KY
The radar
The Jackson,KY radar (KJKL), 75 km from the middle of the area, began a volume at 02:02 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 nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.0 hours before the alert went out and 203 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
- 4 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1313 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 181 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
251
WUUS53 KJKL 090201
SVRJKL
KYC115-159-090230-
/O.NEW.KJKL.SV.W.0030.210409T0201Z-210409T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
1001 PM EDT Thu Apr 8 2021
The National Weather Service in JACKSON KY has issued a
* Severe Thunderstorm Warning for...
Northwestern Martin County in northeastern Kentucky...
East central Johnson County in northeastern Kentucky...
* Until 1030 PM EDT.
* At 1000 PM EDT, a severe thunderstorm was located over Davisport,
or near Inez, moving northeast at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Inez, Warfield, Beauty, Add, Tomahawk, Bradbury, Debord, Wells
Chapel, Davella, Hode, Davisport and Boons Camp.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3784 8241 3776 8266 3783 8273 3789 8265
3788 8262 3789 8260 3792 8260 3793 8258
3796 8257 3796 8253 3794 8249 3794 8250
3790 8247 3791 8247 3788 8242
TIME...MOT...LOC 0200Z 234DEG 29KT 3784 8261
HAIL...1.00IN
WIND...60MPH
$$
HAL1 follow-up statement
308
WWUS53 KJKL 090225
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
1025 PM EDT Thu Apr 8 2021
KYC115-159-090235-
/O.EXP.KJKL.SV.W.0030.000000T0000Z-210409T0230Z/
Martin KY-Johnson KY-
1025 PM EDT Thu Apr 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MARTIN AND EAST
CENTRAL JOHNSON COUNTIES WILL EXPIRE AT 1030 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
LAT...LON 3784 8241 3776 8266 3783 8273 3789 8265
3788 8262 3789 8260 3792 8260 3793 8258
3796 8257 3796 8253 3794 8249 3794 8250
3790 8247 3791 8247 3788 8242
TIME...MOT...LOC 0225Z 234DEG 29KT 3793 8246
$$
HALThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 8:00 PM EDT | Severe Thunderstorm Warning | JKL | Breathitt, Clay, Owsley, Perry | 45 min |
| Apr 8, 8:19 PM EDT | Special Weather Statement | JKL | Laurel | 26 min |
| Apr 8, 8:24 PM EDT | Special Weather Statement | JKL | Magoffin | 36 min |
| Apr 8, 8:31 PM EDT | Special Weather Statement | JKL | Harlan | 29 min |
| Apr 8, 8:38 PM EDT | Severe Thunderstorm Warning | JKL | Johnson, Magoffin, Morgan | 30 min |
| Apr 8, 8:45 PM EDT | Severe Thunderstorm Warning | JKL | Breathitt, Knott, Magoffin | 45 min |
| Apr 8, 8:56 PM EDT | Severe Thunderstorm Warning | JKL | Clay, Knox, Leslie | 30 min |
| Apr 8, 9:05 PM EDT | Special Weather Statement | JKL | Harlan | 40 min |
| Apr 8, 9:19 PM EDT | Special Weather Statement | JKL | Jackson | 26 min |
| Apr 8, 9:30 PM EDT | Special Weather Statement | JKL | Johnson | 30 min |
| Apr 8, 9:55 PM EDT | Special Weather Statement | JKL | Clay | 35 min |
| Apr 8, 11:24 PM EDT | Special Weather Statement | JKL | Leslie | 21 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 2021Every severe thunderstorm warning in 2021
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.