Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 91, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Sep 22, 2021, 10:13 AM EDT for 5 counties in Kentucky. It was in force for 47 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
- Sep 22, 2021, 10:13 AM EDT (14:13 UTC)
- Expired
- Sep 22, 2021, 11:00 AM EDT
- In force
- 47 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Floyd County, KY, Harlan County, KY, Knott County, KY, Letcher County, KY, Pike County, KY
The radar
The Jackson,KY radar (KJKL), 75 km from the middle of the area, began a volume at 14:17 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 |
|---|---|---|---|
| Sep 22, 10:25 AM EDT | TSTM WND DMG | Polly, KY | PUBLIC REPORTED A FEW TREES DOWN DUE TO THUNDERSTORM WIND GUSTS. TIME ESTIMATED FROM RADAR. |
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 12:00Z, 2.2 hours before the alert went out and 275 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 496 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
082
WUUS53 KJKL 221413
SVRJKL
KYC071-095-119-133-195-221500-
/O.NEW.KJKL.SV.W.0091.210922T1413Z-210922T1500Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
1013 AM EDT Wed Sep 22 2021
The National Weather Service in JACKSON KY has issued a
* Severe Thunderstorm Warning for...
Northeastern Harlan County in southeastern Kentucky...
Letcher County in southeastern Kentucky...
Central Knott County in southeastern Kentucky...
Southeastern Floyd County in southeastern Kentucky...
Western Pike County in southeastern Kentucky...
* Until 1100 AM EDT.
* At 1013 AM EDT, severe thunderstorms were located along a line
extending from Mid to Holmes Mill, moving northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Lewis Creek around 1025 AM EDT.
Maggard around 1030 AM EDT.
Other locations in the path of these severe thunderstorms include
Eolia, Jenkins and Adamson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3685 8305 3741 8295 3766 8238 3729 8232
3726 8236 3723 8250 3715 8263 3712 8272
3705 8272 3698 8287 3693 8286 3691 8288
3690 8287 3685 8301
TIME...MOT...LOC 1413Z 230DEG 42KT 3751 8291 3688 8303
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
FISHER2 follow-up statements
541
WWUS53 KJKL 221445
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
1045 AM EDT Wed Sep 22 2021
KYC095-221453-
/O.CAN.KJKL.SV.W.0091.000000T0000Z-210922T1500Z/
Harlan KY-
1045 AM EDT Wed Sep 22 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HARLAN COUNTY IS
CANCELLED...
The storms which prompted the warning has left the area. Therefore,
the warning has been cancelled.
LAT...LON 3699 8285 3748 8279 3766 8238 3729 8232
3726 8236 3723 8250 3715 8263 3712 8272
3705 8272
TIME...MOT...LOC 1443Z 230DEG 42KT 3773 8258 3710 8271
$$
KYC071-119-133-195-221500-
/O.CON.KJKL.SV.W.0091.000000T0000Z-210922T1500Z/
Letcher KY-Knott KY-Floyd KY-Pike KY-
1045 AM EDT Wed Sep 22 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT
FOR EASTERN LETCHER...EAST CENTRAL KNOTT...SOUTHEASTERN FLOYD AND
WESTERN PIKE COUNTIES...
At 1043 AM EDT, severe thunderstorms were located along a line
extending from Pleasant to near Wright, moving northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Adamson, Shelby Gap, Ashcamp, Rockhouse and Elkhorn City.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3699 8285 3748 8279 3766 8238 3729 8232
3726 8236 3723 8250 3715 8263 3712 8272
3705 8272
TIME...MOT...LOC 1443Z 230DEG 42KT 3773 8258 3710 8271
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
FISHER170
WWUS53 KJKL 221453
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
1053 AM EDT Wed Sep 22 2021
KYC071-119-133-195-221502-
/O.EXP.KJKL.SV.W.0091.000000T0000Z-210922T1500Z/
Letcher KY-Knott KY-Floyd KY-Pike KY-
1053 AM EDT Wed Sep 22 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LETCHER...EAST CENTRAL
KNOTT...SOUTHEASTERN FLOYD AND WESTERN PIKE COUNTIES WILL EXPIRE AT
1100 AM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with these thunderstorms.
LAT...LON 3699 8285 3748 8279 3766 8238 3729 8232
3726 8236 3723 8250 3715 8263 3712 8272
3705 8272
TIME...MOT...LOC 1452Z 230DEG 42KT 3778 8250 3715 8263
$$
FISHERThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 8:50 AM EDT | Special Weather Statement | JKL | Leslie | 40 min |
| Sep 22, 8:55 AM EDT | Severe Thunderstorm Warning | JKL | Bell, Clay, Harlan, Knox, Leslie, Perry | 50 min |
| Sep 22, 9:27 AM EDT | Severe Thunderstorm Warning | JKL | Breathitt, Floyd, Harlan, Knott, Leslie, Letcher and 2 more | 48 min |
| Sep 22, 9:35 AM EDT | Special Weather Statement | JKL | Elliott, Johnson, Magoffin | 40 min |
| Sep 22, 10:05 AM EDT | Severe Thunderstorm Warning | JKL | Floyd, Johnson, Knott, Magoffin, Martin, Morgan and 1 more | 40 min |
| Sep 22, 10:48 AM EDT | Special Weather Statement | JKL | Martin | 27 min |
| Sep 22, 10:58 AM EDT | Special Weather Statement | JKL | Pike | 47 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.