Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 63, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Jun 28, 2021, 7:28 PM EDT for Letcher County, Kentucky. It was in force for 32 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
- Jun 28, 2021, 7:28 PM EDT (23:28 UTC)
- Expired
- Jun 28, 2021, 8:00 PM EDT
- In force
- 32 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Letcher County, KY
The radar
The Jackson,KY radar (KJKL), 75 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.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.5 hours before the alert went out and 271 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
- 279 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1193 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
890
WUUS53 KJKL 282328
SVRJKL
KYC133-290000-
/O.NEW.KJKL.SV.W.0063.210628T2328Z-210629T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
728 PM EDT Mon Jun 28 2021
The National Weather Service in JACKSON KY has issued a
* Severe Thunderstorm Warning for...
East central Letcher County in southeastern Kentucky...
* Until 800 PM EDT.
* At 728 PM EDT, a severe thunderstorm was located over Payne Gap, or
9 miles west of Clintwood, moving northwest at 10 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Payne Gap around 740 PM EDT.
Fishpond Lake around 745 PM EDT.
Other locations in the path of this severe thunderstorm include
Potters Fork, Haymond and Fleming-Neon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 3717 8262 3715 8263 3715 8265 3713 8270
3715 8275 3722 8264 3718 8259
TIME...MOT...LOC 2328Z 114DEG 10KT 3714 8263
HAIL...<.75IN
WIND...60MPH
$$
GEOGERIAN2 follow-up statements
146
WWUS53 KJKL 282346
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
746 PM EDT Mon Jun 28 2021
KYC133-290000-
/O.CON.KJKL.SV.W.0063.000000T0000Z-210629T0000Z/
Letcher KY-
746 PM EDT Mon Jun 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR EAST CENTRAL LETCHER COUNTY...
At 745 PM EDT, a severe thunderstorm was located over Payne Gap, or 9
miles east of Whitesburg, moving northwest at 10 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Fishpond Lake, Potters Fork, Haymond and Fleming-Neon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3717 8262 3715 8263 3715 8265 3713 8270
3715 8275 3722 8264 3718 8259
TIME...MOT...LOC 2345Z 113DEG 11KT 3715 8266
HAIL...<.75IN
WIND...60MPH
$$
GEOGERIAN828
WWUS53 KJKL 282359
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
759 PM EDT Mon Jun 28 2021
KYC133-290009-
/O.EXP.KJKL.SV.W.0063.000000T0000Z-210629T0000Z/
Letcher KY-
759 PM EDT Mon Jun 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LETCHER COUNTY
WILL EXPIRE AT 800 PM EDT...
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 will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
LAT...LON 3717 8262 3715 8263 3715 8265 3713 8270
3715 8275 3722 8264 3718 8259
TIME...MOT...LOC 2359Z 114DEG 10KT 3717 8270
$$
GEOGERIANThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 4:26 PM EDT | Special Weather Statement | JKL | Leslie | 34 min |
| Jun 28, 5:09 PM EDT | Special Weather Statement | JKL | Owsley | 36 min |
| Jun 28, 5:22 PM EDT | Special Weather Statement | JKL | Pike | 23 min |
| Jun 28, 5:29 PM EDT | Severe Thunderstorm Warning | JKL | Pike | 46 min |
| Jun 28, 6:09 PM EDT | Special Weather Statement | JKL | Pike | 36 min |
| Jun 28, 6:22 PM EDT | Special Weather Statement | JKL | Letcher | 38 min |
| Jun 28, 6:42 PM EDT | Special Weather Statement | JKL | Bell | 33 min |
| Jun 28, 7:23 PM EDT | Special Weather Statement | JKL | Letcher | 37 min |
| Jun 28, 7:41 PM EDT | Special Weather Statement | JKL | Whitley | 34 min |
| Jun 28, 7:57 PM EDT | Special Weather Statement | JKL | Letcher | 33 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.