Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 72, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Jul 11, 2021, 7:29 PM EDT for Breathitt County, Clay County, Owsley County, Kentucky. It was in force for 31 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
- Jul 11, 2021, 7:29 PM EDT (23:29 UTC)
- Expired
- Jul 11, 2021, 8:00 PM EDT
- In force
- 31 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Breathitt County, KY, Clay County, KY, Owsley County, KY
The radar
The Jackson,KY radar (KJKL), 27 km from the middle of the area, began a volume at 23:30 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 |
|---|---|---|---|
| Jul 11, 7:33 PM EDT | TSTM WND DMG | 1 Se Cowcreek, KY | HIGHWAY DEPARTMENT REPORTED THAT THUNDERSTORM WIND GUSTS HAD BLOWN DOWN A TREE NEAR THE COWCREEK COMMUNITY. |
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, 11.5 hours before the alert went out and 222 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
- 151 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
212
WUUS53 KJKL 112329
SVRJKL
KYC025-051-189-120000-
/O.NEW.KJKL.SV.W.0072.210711T2329Z-210712T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
729 PM EDT Sun Jul 11 2021
The National Weather Service in JACKSON KY has issued a
* Severe Thunderstorm Warning for...
Northeastern Owsley County in southeastern Kentucky...
Southwestern Breathitt County in southeastern Kentucky...
Northern Clay County in southeastern Kentucky...
* Until 800 PM EDT.
* At 728 PM EDT, a severe thunderstorm was located over Cowcreek, or
near Booneville, moving northeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Turkey around 740 PM EDT.
Canoe around 745 PM EDT.
Other locations in the path of this severe thunderstorm include Curt,
Haddix and Jackson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3745 8376 3751 8362 3751 8360 3750 8358
3753 8357 3759 8343 3741 8326 3737 8344
3738 8345 3738 8348 3735 8350 3730 8371
TIME...MOT...LOC 2328Z 240DEG 30KT 3742 8361
HAIL...<.75IN
WIND...60MPH
$$
GEERTSON2 follow-up statements
534
WWUS53 KJKL 112347
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
747 PM EDT Sun Jul 11 2021
KYC051-112356-
/O.CAN.KJKL.SV.W.0072.000000T0000Z-210712T0000Z/
Clay KY-
747 PM EDT Sun Jul 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN CLAY COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3749 8366 3751 8362 3751 8360 3750 8358
3753 8357 3759 8343 3741 8326 3737 8344
3738 8345 3738 8348 3735 8350 3734 8354
TIME...MOT...LOC 2346Z 239DEG 29KT 3749 8346
$$
KYC025-189-120000-
/O.CON.KJKL.SV.W.0072.000000T0000Z-210712T0000Z/
Owsley KY-Breathitt KY-
747 PM EDT Sun Jul 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHEASTERN OWSLEY AND SOUTHWESTERN BREATHITT COUNTIES...
At 746 PM EDT, a severe thunderstorm was located over Guerrant,
moving northeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Curt and Haddix
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3749 8366 3751 8362 3751 8360 3750 8358
3753 8357 3759 8343 3741 8326 3737 8344
3738 8345 3738 8348 3735 8350 3734 8354
TIME...MOT...LOC 2346Z 239DEG 29KT 3749 8346
HAIL...<.75IN
WIND...60MPH
$$
GEERTSON260
WWUS53 KJKL 120000
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
800 PM EDT Sun Jul 11 2021
KYC025-189-120010-
/O.EXP.KJKL.SV.W.0072.000000T0000Z-210712T0000Z/
Owsley KY-Breathitt KY-
800 PM EDT Sun Jul 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OWSLEY AND
SOUTHWESTERN BREATHITT COUNTIES HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire.
LAT...LON 3749 8366 3751 8362 3751 8360 3750 8358
3753 8357 3759 8343 3741 8326 3737 8344
3738 8345 3738 8348 3735 8350 3734 8354
TIME...MOT...LOC 0000Z 240DEG 30KT 3754 8335
$$
GEERTSONThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 5:29 PM EDT | Severe Thunderstorm Warning | JKL | Breathitt, Floyd, Johnson, Magoffin | 16 min |
| Jul 11, 5:31 PM EDT | Areal Flood Advisory | JKL | Jackson, Rockcastle | 119 min |
| Jul 11, 5:44 PM EDT | Special Weather Statement | JKL | Johnson, Magoffin | 31 min |
| Jul 11, 6:08 PM EDT | Flash Flood Warning | JKL | Jackson, Pulaski, Rockcastle | 113 min |
| Jul 11, 6:16 PM EDT | Special Weather Statement | JKL | Martin | 29 min |
| Jul 11, 6:25 PM EDT | Severe Thunderstorm Warning | JKL | Johnson, Martin | 35 min |
| Jul 11, 7:03 PM EDT | Special Weather Statement | JKL | Owsley | 27 min |
| Jul 11, 7:53 PM EDT | Special Weather Statement | JKL | Clay | 37 min |
| Jul 11, 7:59 PM EDT | Special Weather Statement | JKL | Breathitt | 31 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.