Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 70, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Jul 11, 2021, 5:29 PM EDT for 4 counties in Kentucky. It was in force for 16 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
- Jul 11, 2021, 5:29 PM EDT (21:29 UTC)
- Expired
- Jul 11, 2021, 5:45 PM EDT
- In force
- 16 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Breathitt County, KY, Floyd County, KY, Johnson County, KY, Magoffin County, KY
The radar
The Jackson,KY radar (KJKL), 24 km from the middle of the area, began a volume at 21:31 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, 9.5 hours before the alert went out and 210 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.
930 WUUS53 KJKL 112129 SVRJKL KYC025-071-115-153-112145- /O.NEW.KJKL.SV.W.0070.210711T2129Z-210711T2145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service JACKSON KY 529 PM EDT Sun Jul 11 2021 The National Weather Service in JACKSON KY has issued a * Severe Thunderstorm Warning for... Southwestern Johnson County in northeastern Kentucky... Northwestern Floyd County in southeastern Kentucky... Northeastern Breathitt County in southeastern Kentucky... Central Magoffin County in southeastern Kentucky... * Until 545 PM EDT. * At 529 PM EDT, a severe thunderstorm was located over Conley Station, or near Salyersville, moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Bradley around 535 PM EDT. Riceville around 540 PM EDT. Leander around 545 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3751 8319 3767 8324 3786 8286 3762 8277 TIME...MOT...LOC 2129Z 243DEG 39KT 3768 8307 HAIL...<.75IN WIND...60MPH $$ GEERTSON
1 follow-up statement
978
WWUS53 KJKL 112145
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
545 PM EDT Sun Jul 11 2021
KYC025-071-115-153-112155-
/O.EXP.KJKL.SV.W.0070.000000T0000Z-210711T2145Z/
Johnson KY-Floyd KY-Breathitt KY-Magoffin KY-
545 PM EDT Sun Jul 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN JOHNSON...
NORTHWESTERN FLOYD...NORTHEASTERN BREATHITT AND CENTRAL MAGOFFIN
COUNTIES HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
JACKSON KY.
LAT...LON 3751 8319 3767 8324 3786 8286 3762 8277
TIME...MOT...LOC 2145Z 270DEG 39KT 3775 8289
$$
GEERTSONThe office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 7:29 PM EDT | Severe Thunderstorm Warning | JKL | Breathitt, Clay, Owsley | 31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.