Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 28, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Apr 8, 2021, 8:45 PM EDT for Breathitt County, Knott County, Magoffin County, Kentucky. It was in force for 45 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, 8:45 PM EDT (00:45 UTC)
- Expired
- Apr 8, 2021, 9:30 PM EDT
- In force
- 45 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Breathitt County, KY, Knott County, KY, Magoffin County, KY
The radar
The Jackson,KY radar (KJKL), 17 km from the middle of the area, began a volume at 00:49 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, 0.8 hours before the alert went out and 223 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.
023
WUUS53 KJKL 090045
SVRJKL
KYC025-119-153-090130-
/O.NEW.KJKL.SV.W.0028.210409T0045Z-210409T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
845 PM EDT Thu Apr 8 2021
The National Weather Service in JACKSON KY has issued a
* Severe Thunderstorm Warning for...
Northwestern Knott County in southeastern Kentucky...
Central Breathitt County in southeastern Kentucky...
Southern Magoffin County in southeastern Kentucky...
* Until 930 PM EDT.
* At 845 PM EDT, a severe thunderstorm was located over Clayhole, or
7 miles southeast of Jackson, 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...
Fredville, Hardshell, Vail, Copland, Gunlock, Ordway, Carver,
Daisydell, Foraker, Camp Lewis, Orchard and Wilstacy.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3754 8290 3743 8320 3744 8322 3741 8325
3738 8334 3746 8342 3773 8308
TIME...MOT...LOC 0045Z 234DEG 27KT 3747 8330
HAIL...1.00IN
WIND...60MPH
$$
HAL2 follow-up statements
383
WWUS53 KJKL 090112
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
912 PM EDT Thu Apr 8 2021
KYC119-090121-
/O.CAN.KJKL.SV.W.0028.000000T0000Z-210409T0130Z/
Knott KY-
912 PM EDT Thu Apr 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN KNOTT COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3757 8293 3752 8313 3759 8320 3771 8306
3765 8301
TIME...MOT...LOC 0111Z 234DEG 27KT 3759 8310
$$
KYC025-153-090130-
/O.CON.KJKL.SV.W.0028.000000T0000Z-210409T0130Z/
Breathitt KY-Magoffin KY-
912 PM EDT Thu Apr 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR NORTHEASTERN BREATHITT AND SOUTHEASTERN MAGOFFIN COUNTIES...
At 911 PM EDT, a severe thunderstorm was located over Lambric, or 11
miles south of 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...
Daisydell, Camp Lewis, Carver Station, Tiptop, Waldo, Conley Station,
Ordway, Sublett, Duco, Carver, Lambric and Fredville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3757 8293 3752 8313 3759 8320 3771 8306
3765 8301
TIME...MOT...LOC 0111Z 234DEG 27KT 3759 8310
HAIL...1.00IN
WIND...60MPH
$$
HAL029
WWUS53 KJKL 090125
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
925 PM EDT Thu Apr 8 2021
KYC025-153-090134-
/O.EXP.KJKL.SV.W.0028.000000T0000Z-210409T0130Z/
Breathitt KY-Magoffin KY-
925 PM EDT Thu Apr 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BREATHITT AND
SOUTHEASTERN MAGOFFIN COUNTIES WILL EXPIRE AT 930 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
LAT...LON 3757 8293 3752 8313 3759 8320 3771 8306
3765 8301
TIME...MOT...LOC 0124Z 234DEG 27KT 3761 8307
$$
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, 8:56 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.