Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 110, NWS Wilmington, OH

August 27, 20214 counties in Kentucky

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 27, 2021, 5:15 PM EDT for 4 counties in Kentucky. It was in force for 30 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
Aug 27, 2021, 5:15 PM EDT (21:15 UTC)
Expired
Aug 27, 2021, 5:45 PM EDT
In force
30 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Campbell County, KY, Grant County, KY, Kenton County, KY, Pendleton County, KY

The radar

The Cincinnati radar (KILN), 94 km from the middle of the area, began a volume at 21:17 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
Aug 27, 5:23 PM EDTTSTM WND DMGButler, KYTREE DOWN ACROSS ROADWAY.

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 12:00Z, 9.3 hours before the alert went out and 96 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 2021-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 167 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 2021-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
167 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1311 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

510 
WUUS51 KILN 272115
SVRILN
KYC037-081-117-191-272145-
/O.NEW.KILN.SV.W.0110.210827T2115Z-210827T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
515 PM EDT Fri Aug 27 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Southern Kenton County in northern Kentucky...
  Southern Campbell County in northern Kentucky...
  Northeastern Grant County in northern Kentucky...
  Western Pendleton County in northern Kentucky...

* Until 545 PM EDT.

* At 515 PM EDT, a severe thunderstorm was located near Dry Ridge,
  moving north at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Williamstown, Walton, Claryville, Crittenden, Dry Ridge, Butler,
  Stewartsville, Visalia, Atwood, Grants Lick, Northcutt, Bracht,
  Gardnersville, White Villa, Campbell County Lake, Fiskburg,
  Sherman, Goforth, Greenwood and Aspen Grove.

This includes I-75 in Kentucky between mile markers 153 and 169.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 3862 8468 3891 8458 3894 8444 3884 8430
      3873 8432 3858 8444
TIME...MOT...LOC 2115Z 194DEG 31KT 3871 8453 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hickman
2 follow-up statements
536 
WWUS51 KILN 272128
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
528 PM EDT Fri Aug 27 2021

KYC037-081-117-191-272145-
/O.CON.KILN.SV.W.0110.000000T0000Z-210827T2145Z/
Kenton KY-Campbell KY-Grant KY-Pendleton KY-
528 PM EDT Fri Aug 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHERN KENTON...SOUTHERN CAMPBELL...NORTHEASTERN GRANT AND
WESTERN PENDLETON COUNTIES...

At 528 PM EDT, a severe thunderstorm was located near Crittenden,
moving north at 10 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and power lines.

Locations impacted include...
Williamstown, Walton, Claryville, Crittenden, Dry Ridge, Butler,
Stewartsville, Visalia, Atwood, Grants Lick, Northcutt, Bracht,
Gardnersville, White Villa, Campbell County Lake, Fiskburg, Sherman,
Goforth, Greenwood and Aspen Grove.

This includes I-75 in Kentucky between mile markers 153 and 169.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

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 3862 8468 3891 8458 3894 8444 3884 8430
      3873 8432 3858 8444
TIME...MOT...LOC 2128Z 196DEG 8KT 3875 8452 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Hickman
821 
WWUS51 KILN 272140
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
540 PM EDT Fri Aug 27 2021

KYC037-081-117-191-272150-
/O.EXP.KILN.SV.W.0110.000000T0000Z-210827T2145Z/
Kenton KY-Campbell KY-Grant KY-Pendleton KY-
540 PM EDT Fri Aug 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN KENTON...SOUTHERN
CAMPBELL...NORTHEASTERN GRANT AND WESTERN PENDLETON COUNTIES WILL
EXPIRE AT 545 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 and heavy rain are still possible with this thunderstorm.

Please report previous 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 3862 8468 3891 8458 3894 8444 3884 8430
      3873 8432 3858 8444
TIME...MOT...LOC 2140Z 194DEG 31KT 3884 8449 

$$

Hickman

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 4:24 PM EDTSpecial Weather StatementILNOwen36 min
Aug 27, 4:39 PM EDTSevere Thunderstorm WarningILNGrant, Pendleton36 min
Aug 27, 4:56 PM EDTSpecial Weather StatementILNGrant, Owen34 min
Aug 27, 5:08 PM EDTSevere Thunderstorm WarningILNBoone, Gallatin, Grant, Kenton, Owen37 min
Aug 27, 5:10 PM EDTAreal Flood AdvisoryILNGrant, Owen, Pendleton3 hr
Aug 27, 5:12 PM EDTSpecial Weather StatementILNPendleton33 min
Aug 27, 5:21 PM EDTSpecial Weather StatementILNKenton24 min
Aug 27, 5:33 PM EDTAreal Flood AdvisoryILNBoone, Gallatin, Grant, Kenton3 hr
Aug 27, 5:51 PM EDTSpecial Weather StatementILNCampbell39 min
Aug 27, 6:10 PM EDTSpecial Weather StatementILNLewis35 min
Aug 27, 6:11 PM EDTAreal Flood AdvisoryILNBoone, Campbell, Kenton, Pendleton2 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.