Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 90, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Sep 22, 2021, 10:05 AM EDT for 7 counties in Kentucky. It was in force for 40 min. 2 reports 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, 10:05 AM EDT (14:05 UTC)
- Expired
- Sep 22, 2021, 10:45 AM EDT
- In force
- 40 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Floyd County, KY, Johnson County, KY, Knott County, KY, Magoffin County, KY, Martin County, KY, Morgan County, KY, Pike County, KY
The radar
The Jackson,KY radar (KJKL), 61 km from the middle of the area, began a volume at 14:06 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, 10:14 AM EDT | TSTM WND DMG | 1 Sw Blue River, KY | HIGHWAY DEPARTMENT REPORTED A TREE DOWN ALONG KY-404 IN THE VICINITY OF DAVID. |
| Sep 22, 10:35 AM EDT | TSTM WND DMG | Emma, KY | HIGHWAY DEPARTMENT REPORTED A TREE DOWN ALONG KY-1428 IN THE VICINITY OF EMMA AND ALVIN. 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, 2.1 hours before the alert went out and 202 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.
055
WUUS53 KJKL 221405
SVRJKL
KYC071-115-119-153-159-175-195-221445-
/O.NEW.KJKL.SV.W.0090.210922T1405Z-210922T1445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
1005 AM EDT Wed Sep 22 2021
The National Weather Service in JACKSON KY has issued a
* Severe Thunderstorm Warning for...
Martin County in northeastern Kentucky...
East central Morgan County in southeastern Kentucky...
Johnson County in northeastern Kentucky...
North central Knott County in southeastern Kentucky...
Floyd County in southeastern Kentucky...
Northwestern Pike County in southeastern Kentucky...
Eastern Magoffin County in southeastern Kentucky...
* Until 1045 AM EDT.
* At 1004 AM EDT, severe thunderstorms were located along a line
extending from Minefork to Vail, moving northeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Win around 1010 AM EDT.
Redbush around 1015 AM EDT.
Dotson around 1020 AM EDT.
Other locations in the path of these severe thunderstorms include
Bonanza, Bays Branch and Prestonsburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3742 8291 3789 8303 3798 8288 3796 8282
3789 8268 3788 8262 3789 8260 3792 8260
3793 8258 3795 8258 3796 8253 3795 8251
3767 8237
TIME...MOT...LOC 1404Z 221DEG 36KT 3785 8301 3752 8299
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
FISHER2 follow-up statements
450
WWUS53 KJKL 221421
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
1021 AM EDT Wed Sep 22 2021
KYC071-115-119-153-159-175-195-221445-
/O.CON.KJKL.SV.W.0090.000000T0000Z-210922T1445Z/
Martin KY-Morgan KY-Johnson KY-Knott KY-Floyd KY-Pike KY-Magoffin KY-
1021 AM EDT Wed Sep 22 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM EDT
FOR MARTIN...EAST CENTRAL MORGAN...JOHNSON...NORTH CENTRAL KNOTT...
FLOYD...NORTHWESTERN PIKE AND EASTERN MAGOFFIN COUNTIES...
At 1020 AM EDT, severe thunderstorms were located along a line
extending from near Winifred to Dotson, moving northeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Bays Branch, Prestonsburg, Meally, Wells Chapel, Tomahawk and
Inez.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3742 8291 3789 8303 3798 8288 3796 8282
3789 8268 3788 8262 3789 8260 3792 8260
3793 8258 3795 8258 3796 8253 3795 8251
3767 8237
TIME...MOT...LOC 1420Z 221DEG 36KT 3797 8288 3764 8286
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
FISHER755
WWUS53 KJKL 221440
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
1040 AM EDT Wed Sep 22 2021
KYC071-115-119-153-159-175-195-221449-
/O.EXP.KJKL.SV.W.0090.000000T0000Z-210922T1445Z/
Martin KY-Morgan KY-Johnson KY-Knott KY-Floyd KY-Pike KY-Magoffin KY-
1040 AM EDT Wed Sep 22 2021
...THE SEVERE THUNDERSTORM WARNING FOR MARTIN...EAST CENTRAL
MORGAN...JOHNSON...NORTH CENTRAL KNOTT...FLOYD...NORTHWESTERN PIKE
AND EASTERN MAGOFFIN COUNTIES WILL EXPIRE AT 1045 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 3742 8291 3789 8303 3798 8288 3796 8282
3789 8268 3788 8262 3789 8260 3792 8260
3793 8258 3795 8258 3796 8253 3795 8251
3767 8237
TIME...MOT...LOC 1439Z 221DEG 36KT 3812 8272 3779 8270
$$
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, 10:13 AM EDT | Severe Thunderstorm Warning | JKL | Floyd, Harlan, Knott, Letcher, Pike | 47 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.