Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 87, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Aug 10, 2021, 8:39 AM EDT for Boone County, Campbell County, Kenton County, Kentucky; Hamilton County, Ohio. It was in force for 21 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
- Aug 10, 2021, 8:39 AM EDT (12:39 UTC)
- Expired
- Aug 10, 2021, 9:00 AM EDT
- In force
- 21 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Boone County, KY, Campbell County, KY, Kenton County, KY, Hamilton County, OH
The radar
The Cincinnati radar (KILN), 57 km from the middle of the area, began a volume at 12:40 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, 0.7 hours before the alert went out and 59 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
- 1366 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 920 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted.
280
WUUS51 KILN 101239
SVRILN
KYC015-037-117-OHC061-101300-
/O.NEW.KILN.SV.W.0087.210810T1239Z-210810T1300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
839 AM EDT Tue Aug 10 2021
The National Weather Service in Wilmington has issued a
* Severe Thunderstorm Warning for...
Northern Kenton County in northern Kentucky...
Northern Campbell County in northern Kentucky...
Northern Boone County in northern Kentucky...
Hamilton County in southwestern Ohio...
* Until 900 AM EDT.
* At 839 AM EDT, a severe thunderstorm was located over Mack, moving
east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines.
* Locations impacted include...
Cincinnati, Covington, Norwood, Erlanger, Fort Thomas, Newport,
Sharonville, Blue Ash, Loveland, Reading, Montgomery, North College
Hill, Madeira, Edgewood, Wyoming, Cheviot, Fort Mitchell, Villa
Hills, Highland Heights and Taylor Mill.
This includes the following Interstates...
I-71 in Ohio between mile markers 0 and 19.
I-74 in Ohio between mile markers 5 and 19.
I-75 in Kentucky between mile markers 184 and 191.
I-75 in Ohio between mile markers 0 and 15.
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 3923 8476 3928 8436 3929 8432 3929 8429
3924 8430 3923 8430 3922 8432 3921 8431
3921 8430 3900 8432 3904 8476
TIME...MOT...LOC 1239Z 270DEG 30KT 3913 8466
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JDR2 follow-up statements
994
WWUS51 KILN 101252
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
852 AM EDT Tue Aug 10 2021
KYC015-101302-
/O.CAN.KILN.SV.W.0087.000000T0000Z-210810T1300Z/
Boone KY-
852 AM EDT Tue Aug 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BOONE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3922 8469 3928 8436 3929 8432 3929 8429
3924 8430 3923 8430 3922 8432 3921 8431
3921 8430 3900 8432 3903 8462 3908 8462
3909 8465
TIME...MOT...LOC 1252Z 270DEG 30KT 3913 8452
$$
KYC037-117-OHC061-101300-
/O.CON.KILN.SV.W.0087.000000T0000Z-210810T1300Z/
Kenton KY-Campbell KY-Hamilton OH-
852 AM EDT Tue Aug 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM EDT
FOR NORTHERN KENTON...NORTHERN CAMPBELL AND CENTRAL HAMILTON
COUNTIES...
At 852 AM EDT, a severe thunderstorm was located over University of
Cincinnati, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines.
Locations impacted include...
Cincinnati, Covington, Norwood, Erlanger, Fort Thomas, Newport,
Sharonville, Blue Ash, Loveland, Reading, Montgomery, North College
Hill, Madeira, Edgewood, Wyoming, Cheviot, Fort Mitchell, Villa
Hills, Highland Heights and Taylor Mill.
This includes the following Interstates...
I-71 in Ohio between mile markers 0 and 19.
I-74 in Ohio between mile markers 9 and 19.
I-75 in Kentucky between mile markers 184 and 191.
I-75 in Ohio between mile markers 0 and 15.
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 3922 8469 3928 8436 3929 8432 3929 8429
3924 8430 3923 8430 3922 8432 3921 8431
3921 8430 3900 8432 3903 8462 3908 8462
3909 8465
TIME...MOT...LOC 1252Z 270DEG 30KT 3913 8452
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JDR333
WWUS51 KILN 101256
SVSILN
Severe Weather Statement
National Weather Service Wilmington OH
856 AM EDT Tue Aug 10 2021
KYC037-117-OHC061-101306-
/O.EXP.KILN.SV.W.0087.000000T0000Z-210810T1300Z/
Kenton KY-Campbell KY-Hamilton OH-
856 AM EDT Tue Aug 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN KENTON...NORTHERN
CAMPBELL AND CENTRAL HAMILTON COUNTIES WILL EXPIRE AT 900 AM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
Please report previous wind damage or hail to the National Weather
Service by going to our website at weather.gov/iln and submitting
your report via social media.
LAT...LON 3922 8469 3928 8436 3929 8432 3929 8429
3924 8430 3923 8430 3922 8432 3921 8431
3921 8430 3900 8432 3903 8462 3908 8462
3909 8465
TIME...MOT...LOC 1256Z 270DEG 30KT 3913 8449
$$
JDRThe office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 9:04 AM EDT | Special Weather Statement | ILN | Carroll, Gallatin | 26 min |
| Aug 10, 9:08 AM EDT | Special Weather Statement | ILN | Campbell, Kenton | 37 min |
| Aug 10, 10:08 AM EDT | Special Weather Statement | ILN | Gallatin, Grant, Owen | 37 min |
| Aug 10, 10:23 AM EDT | Areal Flood Advisory | ILN | Carroll, Gallatin, Grant, Owen | 93 min |
| Aug 10, 11:26 AM EDT | Special Weather Statement | ILN | Owen | 34 min |
| Aug 10, 8:22 AM EDT | Special Weather Statement | ILN | Hamilton | 23 min |
| Aug 10, 5:49 PM EDT | Special Weather Statement | ILN | Champaign, Clark | 26 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 2021Severe Thunderstorm Warnings in Ohio, 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.