Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 53, NWS Wilmington, OH

July 8, 2021Carroll County, Gallatin County, Kentucky; Switzerland County, Indiana

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 8, 2021, 5:33 PM EDT for Carroll County, Gallatin County, Kentucky; Switzerland County, Indiana. It was in force for 31 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: Jul 8, 2021, 5:33 PM EDT (21:33 UTC)
Expired: Jul 8, 2021, 6:04 PM EDT
In force: 31 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Switzerland County, IN, Carroll County, KY, Gallatin County, KY

The radar

The Louisville radar (KLVX), 109 km from the middle of the area, began a volume at 21:33 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

Time	Report	Where	Remark
Jul 8, 5:45 PM EDT	TSTM WND DMG	5 Wnw Carrollton, KY	TREE BLEW DOWN ON KY-36. TIME ESTIMATED FROM 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 12:00Z, 9.6 hours before the alert went out and 140 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 187 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 768 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

665 
WUUS51 KILN 082133
SVRILN
INC155-KYC041-077-082215-
/O.NEW.KILN.SV.W.0053.210708T2133Z-210708T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
533 PM EDT Thu Jul 8 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Switzerland County in southeastern Indiana...              
  Northern Carroll County in northern Kentucky...              
  Western Gallatin County in northern Kentucky...

* Until 615 PM EDT.

* At 532 PM EDT, a severe thunderstorm was located 7 miles northeast
  of Madison, moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Carrollton, Vevay, Warsaw, Florence, Pleasant, Fairview, Ghent,
  Sanders, Sparta, Prestonville, Center Square, Braytown, Interstate
  71 at Mile Marker 52, Locust, Markland, Avonburg, Moorefield,
  Quercus Grove, Mount Sterling and Jacksonville.

This includes I-71 in Kentucky between mile markers 48 and 55.
 
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 3874 8526 3869 8520 3890 8520 3890 8484
      3865 8495 3865 8497 3864 8498 3869 8529
      3873 8533 3874 8533
TIME...MOT...LOC 2132Z 275DEG 25KT 3881 8527 

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

1 follow-up statement

325 
WWUS51 KILN 082204
SVSILN

Severe Weather Statement
National Weather Service Wilmington OH
604 PM EDT Thu Jul 8 2021

INC155-KYC041-077-082213-
/O.CAN.KILN.SV.W.0053.000000T0000Z-210708T2215Z/
Switzerland IN-Carroll KY-Gallatin KY-
604 PM EDT Thu Jul 8 2021

...THE SEVERE THUNDERSTORM WARNING FOR SWITZERLAND...NORTHERN 
CARROLL AND WESTERN GALLATIN COUNTIES IS CANCELLED...
                
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 has been cancelled.  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 3874 8526 3869 8520 3890 8520 3890 8484
      3865 8495 3865 8497 3864 8498 3869 8529
      3873 8533 3874 8533
TIME...MOT...LOC 2203Z 275DEG 25KT 3879 8499 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 6:06 PM EDT	Special Weather Statement	ILN	Carroll, Gallatin	24 min
Jul 8, 6:30 PM EDT	Special Weather Statement	ILN	Gallatin, Grant, Owen	30 min
Jul 8, 11:59 AM EDT	Special Weather Statement	ILN	Fayette	31 min
Jul 8, 12:52 PM EDT	Areal Flood Advisory	ILN	Fayette	3 hr
Jul 8, 1:06 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Franklin	39 min
Jul 8, 1:40 PM EDT	Special Weather Statement	ILN	Union	35 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2021 Severe Thunderstorm Warnings in Indiana, 2021 Every 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.