Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 27, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Apr 8, 2021, 8:38 PM EDT for Johnson County, Magoffin County, Morgan County, Kentucky. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 8, 2021, 8:38 PM EDT (00:38 UTC)
- Expired
- Apr 8, 2021, 9:08 PM EDT
- In force
- 30 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Johnson County, KY, Magoffin County, KY, Morgan County, KY
The radar
The Jackson,KY radar (KJKL), 49 km from the middle of the area, began a volume at 00:38 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 8, 8:41 PM EDT | HAIL 0.88 | 1 E Bloomington, KY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.6 hours before the alert went out and 181 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.
406
WUUS53 KJKL 090038
SVRJKL
KYC115-153-175-090130-
/O.NEW.KJKL.SV.W.0027.210409T0038Z-210409T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
838 PM EDT Thu Apr 8 2021
The National Weather Service in JACKSON KY has issued a
* Severe Thunderstorm Warning for...
East central Morgan County in southeastern Kentucky...
Northwestern Johnson County in northeastern Kentucky...
Northeastern Magoffin County in southeastern Kentucky...
* Until 930 PM EDT.
* At 838 PM EDT, a severe thunderstorm was located over Ever, or near
Salyersville, moving northeast at 30 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...
Salyersville, Haleburg, Moon, Gifford, Falcon, Logville, Wonnie,
Elna, Gillem Branch, Redbush, Grayfox and Relief.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3796 8282 3791 8273 3774 8310 3783 8320
3800 8303 3800 8302 3798 8302 3796 8299
3800 8296 3800 8293
TIME...MOT...LOC 0038Z 230DEG 28KT 3784 8307
HAIL...1.00IN
WIND...60MPH
$$
HAL1 follow-up statement
176
WWUS53 KJKL 090108
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
908 PM EDT Thu Apr 8 2021
KYC115-153-175-090117-
/O.CAN.KJKL.SV.W.0027.000000T0000Z-210409T0130Z/
Morgan KY-Johnson KY-Magoffin KY-
908 PM EDT Thu Apr 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MORGAN...
NORTHWESTERN JOHNSON AND NORTHEASTERN MAGOFFIN COUNTIES IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
LAT...LON 3796 8282 3791 8273 3774 8310 3783 8320
3800 8303 3800 8302 3798 8302 3796 8299
3800 8296 3800 8293
TIME...MOT...LOC 0059Z 230DEG 28KT 3687 8317
$$
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, 8:45 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, 10:01 PM EDT | Severe Thunderstorm Warning | JKL | Johnson, Martin | 29 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.