Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 65, NWS Jackson, KY

July 5, 2021Jackson County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Jul 5, 2021, 6:08 PM EDT for Jackson County, Kentucky. It was in force for 37 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 5, 2021, 6:08 PM EDT (22:08 UTC)
Expired
Jul 5, 2021, 6:45 PM EDT
In force
37 min
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Jackson County, KY

The radar

The Jackson,KY radar (KJKL), 67 km from the middle of the area, began a volume at 22:10 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, 10.1 hours before the alert went out and 217 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2021-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 741 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2021-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
741 J/kg
Mixed-layer CIN
-186 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

584 
WUUS53 KJKL 052208
SVRJKL
KYC109-052245-
/O.NEW.KJKL.SV.W.0065.210705T2208Z-210705T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
608 PM EDT Mon Jul 5 2021

The National Weather Service in JACKSON KY has issued a

* Severe Thunderstorm Warning for...
  Northwestern Jackson County in southeastern Kentucky...

* Until 645 PM EDT.

* At 607 PM EDT, a severe thunderstorm was located over Brazil, or
  near McKee, moving south 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...
  Waneta around 620 PM EDT.

Other locations in the path of this severe thunderstorm include
McKee.

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 3754 8410 3756 8402 3741 8396 3739 8412
TIME...MOT...LOC 2207Z 349DEG 10KT 3750 8406 

HAIL...<.75IN
WIND...60MPH
 
$$

GEOGERIAN
2 follow-up statements
825 
WWUS53 KJKL 052221
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
621 PM EDT Mon Jul 5 2021

KYC109-052245-
/O.CON.KJKL.SV.W.0065.000000T0000Z-210705T2245Z/
Jackson KY-
621 PM EDT Mon Jul 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR NORTHWESTERN JACKSON COUNTY...

At 621 PM EDT, a severe thunderstorm was located over Sandgap, or
near McKee, and is nearly stationary.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Sandgap, Waneta and Hurley.

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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3754 8410 3756 8402 3741 8396 3739 8412
TIME...MOT...LOC 2221Z 350DEG 4KT 3750 8406 

HAIL...<.75IN
WIND...60MPH
 
$$

GEOGERIAN
889 
WWUS53 KJKL 052241
SVSJKL

Severe Weather Statement
National Weather Service JACKSON KY
641 PM EDT Mon Jul 5 2021

KYC109-052251-
/O.EXP.KJKL.SV.W.0065.000000T0000Z-210705T2245Z/
Jackson KY-
641 PM EDT Mon Jul 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN JACKSON COUNTY
WILL EXPIRE AT 645 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.

LAT...LON 3754 8410 3756 8402 3741 8396 3739 8412
TIME...MOT...LOC 2241Z 349DEG 10KT 3745 8405 

$$

GEOGERIAN

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 4:03 PM EDTSpecial Weather StatementJKLElliott27 min
Jul 5, 4:40 PM EDTSpecial Weather StatementJKLWolfe35 min
Jul 5, 4:46 PM EDTSpecial Weather StatementJKLMorgan29 min
Jul 5, 6:00 PM EDTSpecial Weather StatementJKLJackson30 min
Jul 5, 6:52 PM EDTSpecial Weather StatementJKLLaurel23 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.