Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 71, NWS Jackson, KY
NWS Jackson, KY issued this severe thunderstorm warning at Jul 11, 2021, 6:25 PM EDT for Johnson County, Martin County, Kentucky. It was in force for 35 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, 6:25 PM EDT (22:25 UTC)
- Expired
- Jul 11, 2021, 7:00 PM EDT
- In force
- 35 min
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Johnson County, KY, Martin County, KY
The radar
The Jackson,KY radar (KJKL), 75 km from the middle of the area, began a volume at 22:29 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, 10.4 hours before the alert went out and 205 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.
029
WUUS53 KJKL 112225
SVRJKL
KYC115-159-112300-
/O.NEW.KJKL.SV.W.0071.210711T2225Z-210711T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service JACKSON KY
625 PM EDT Sun Jul 11 2021
The National Weather Service in JACKSON KY has issued a
* Severe Thunderstorm Warning for...
Martin County in northeastern Kentucky...
Southeastern Johnson County in northeastern Kentucky...
* Until 700 PM EDT.
* At 625 PM EDT, a severe thunderstorm was located over Davisport, or
near Inez, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Pevier around 630 PM EDT.
Debord around 635 PM EDT.
Inez around 640 PM EDT.
Beauty around 645 PM EDT.
Other locations in the path of this severe thunderstorm include
Warfield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3774 8269 3789 8273 3790 8270 3788 8261
3789 8260 3792 8260 3795 8258 3797 8253
3794 8249 3794 8250 3790 8247 3791 8247
3788 8242 3781 8240 3782 8239 3777 8233
TIME...MOT...LOC 2225Z 253DEG 24KT 3784 8262
HAIL...<.75IN
WIND...60MPH
$$
GEERTSON2 follow-up statements
761
WWUS53 KJKL 112244
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
644 PM EDT Sun Jul 11 2021
KYC115-112254-
/O.CAN.KJKL.SV.W.0071.000000T0000Z-210711T2300Z/
Johnson KY-
644 PM EDT Sun Jul 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JOHNSON COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3778 8253 3788 8261 3789 8260 3792 8260
3795 8258 3797 8253 3794 8249 3794 8250
3790 8247 3791 8247 3788 8242 3781 8240
3782 8239 3778 8235
TIME...MOT...LOC 2244Z 253DEG 26KT 3788 8245
$$
KYC159-112300-
/O.CON.KJKL.SV.W.0071.000000T0000Z-210711T2300Z/
Martin KY-
644 PM EDT Sun Jul 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR NORTHERN MARTIN COUNTY...
At 644 PM EDT, a severe thunderstorm was located over Hode, or near
Inez, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
northern Martin County, including the following locations... Kermit.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3778 8253 3788 8261 3789 8260 3792 8260
3795 8258 3797 8253 3794 8249 3794 8250
3790 8247 3791 8247 3788 8242 3781 8240
3782 8239 3778 8235
TIME...MOT...LOC 2244Z 253DEG 26KT 3788 8245
HAIL...<.75IN
WIND...60MPH
$$
GEERTSON276
WWUS53 KJKL 112259
SVSJKL
Severe Weather Statement
National Weather Service JACKSON KY
659 PM EDT Sun Jul 11 2021
KYC159-112308-
/O.EXP.KJKL.SV.W.0071.000000T0000Z-210711T2300Z/
Martin KY-
659 PM EDT Sun Jul 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MARTIN COUNTY WILL
EXPIRE AT 700 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 3778 8253 3788 8261 3789 8260 3792 8260
3795 8258 3797 8253 3794 8249 3794 8250
3790 8247 3791 8247 3788 8242 3781 8240
3782 8239 3778 8235
TIME...MOT...LOC 2258Z 253DEG 24KT 3790 8235
$$
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, 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.