Alert archive / Kentucky / Tornado Warnings in 2021

Tornado Warning 12, NWS Wilmington, OH

October 15, 2021Boone County, Kenton County, Kentucky

NWS Wilmington, OH issued this tornado warning at Oct 15, 2021, 11:34 PM EDT for Boone County, Kenton County, Kentucky. It was in force for 26 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
Oct 15, 2021, 11:34 PM EDT (03:34 UTC)
Expired
Oct 16, 2021, 12:00 AM EDT
In force
26 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Boone County, KY, Kenton County, KY

The radar

The Cincinnati radar (KILN), 77 km from the middle of the area, began a volume at 03:37 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

TimeReportWhereRemark
Oct 15, 11:38 PM EDTTSTM WND DMG3 Sw Independence, KYSEVERAL TREE LIMBS DOWNED ALONG BANKLICK RD. TIME ESTIMATED BY RADAR.

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 00:00Z, 3.6 hours before the alert went out and 79 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 00:00Z on 2021-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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 00:00Z on 2021-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939587897117Sfc1 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
8 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
841 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

223 
WFUS51 KILN 160334
TORILN
KYC015-117-160400-
/O.NEW.KILN.TO.W.0012.211016T0334Z-211016T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington OH
1134 PM EDT Fri Oct 15 2021

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  Central Kenton County in northern Kentucky...
  Central Boone County in northern Kentucky...

* Until midnight EDT.
    
* At 1134 PM EDT, a severe thunderstorm capable of producing a
  tornado was located near Union, moving east at 45 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Covington, Florence, Independence, Erlanger, Edgewood, Elsmere,
  Taylor Mill, Fort Wright, Union, Ryland Heights, Fairview, Visalia,
  Richwood, Bank Lick, Ricedale, White Tower and Latonia Lakes.

This includes I-75 in Kentucky between mile markers 174 and 178.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 3895 8468 3904 8449 3902 8449 3900 8447
      3900 8445 3898 8447 3897 8446 3897 8445
      3899 8444 3898 8443 3895 8444 3895 8446
      3891 8444 3890 8444 3889 8464
TIME...MOT...LOC 0334Z 248DEG 39KT 3893 8461 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Campbell
3 follow-up statements
139 
WWUS51 KILN 160340
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
1140 PM EDT Fri Oct 15 2021

KYC015-160349-
/O.CAN.KILN.TO.W.0012.000000T0000Z-211016T0400Z/
Boone KY-
1140 PM EDT Fri Oct 15 2021

...THE TORNADO WARNING FOR CENTRAL BOONE COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3896 8460 3899 8451 3900 8447 3900 8445
      3898 8447 3897 8446 3897 8445 3899 8444
      3898 8443 3895 8444 3895 8446 3891 8444
      3890 8444 3891 8459
TIME...MOT...LOC 0339Z 248DEG 39KT 3895 8453 

$$

KYC117-160400-
/O.CON.KILN.TO.W.0012.000000T0000Z-211016T0400Z/
Kenton KY-
1140 PM EDT Fri Oct 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR CENTRAL
KENTON COUNTY...
    
At 1139 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Independence, moving east at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Covington, Independence, Taylor Mill, Ryland Heights, Fairview,
Ricedale, Visalia, Bank Lick, White Tower and Latonia Lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 3896 8460 3899 8451 3900 8447 3900 8445
      3898 8447 3897 8446 3897 8445 3899 8444
      3898 8443 3895 8444 3895 8446 3891 8444
      3890 8444 3891 8459
TIME...MOT...LOC 0339Z 248DEG 39KT 3895 8453 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Campbell
655 
WWUS51 KILN 160348
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
1148 PM EDT Fri Oct 15 2021

KYC117-160400-
/O.CON.KILN.TO.W.0012.000000T0000Z-211016T0400Z/
Kenton KY-
1148 PM EDT Fri Oct 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR CENTRAL
KENTON COUNTY...
    
At 1148 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Alexandria, moving east at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Covington, Independence, Taylor Mill, Ryland Heights, Fairview and
Latonia Lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

To report severe weather, go to our website at weather.gov/iln and
submit your report via social media, when you can do so safely.

&&

LAT...LON 3897 8453 3899 8451 3900 8447 3900 8445
      3898 8447 3897 8446 3897 8445 3899 8444
      3898 8443 3895 8444 3895 8446 3893 8445
      3892 8447 3892 8451
TIME...MOT...LOC 0348Z 248DEG 39KT 3899 8441 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Campbell
921 
WWUS51 KILN 160352
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
1152 PM EDT Fri Oct 15 2021

KYC117-160402-
/O.EXP.KILN.TO.W.0012.000000T0000Z-211016T0400Z/
Kenton KY-
1152 PM EDT Fri Oct 15 2021

...THE TORNADO WARNING FOR CENTRAL KENTON COUNTY WILL EXPIRE AT
MIDNIGHT EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

Please report previous tornadoes, wind damage or hail to the National
Weather Service by going to our website at weather.gov/iln and
submitting your report via social media.

LAT...LON 3897 8453 3899 8451 3900 8447 3900 8445
      3898 8447 3897 8446 3897 8445 3899 8444
      3898 8443 3895 8444 3895 8446 3893 8445
      3892 8447 3892 8451
TIME...MOT...LOC 0352Z 248DEG 39KT 3901 8436 

$$

Campbell

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 15, 10:56 PM EDTSpecial Weather StatementILNBoone34 min
Oct 15, 11:16 PM EDTSpecial Weather StatementILNBoone, Campbell, Kenton29 min
Oct 15, 11:54 PM EDTSpecial Weather StatementILNCampbell36 min
Oct 16, 12:00 AM EDTSevere Thunderstorm WarningILNCampbell18 min

Nearby

Tornado Warnings in Kentucky, 2021Every tornado warning in 2021Tornadoes 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.