Alert archive / Indiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 39, NWS Wilmington, OH

June 18, 2021Ohio County, Switzerland County, Indiana; Boone County, Gallatin County, Kentucky

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 18, 2021, 9:30 PM EDT for Ohio County, Switzerland County, Indiana; Boone County, Gallatin County, Kentucky. It was in force for 15 min. 5 reports 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
Jun 18, 2021, 9:30 PM EDT (01:30 UTC)
Expired
Jun 18, 2021, 9:45 PM EDT
In force
15 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Ohio County, IN, Switzerland County, IN, Boone County, KY, Gallatin County, KY

The radar

The Cincinnati radar (KILN), 97 km from the middle of the area, began a volume at 01:32 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
Jun 18, 9:30 PM EDTTSTM WND DMG4 S Burlington, KYSEVERAL TREES BLOWN DOWN IN BOONE COUNTY ARBORETUM. TIME ESTIMATED FROM RADAR.
Jun 18, 9:32 PM EDTTSTM WND DMG1 Ese Burlington, KYWIDESPREAD TREE DAMAGE THROUGHOUT HEBRON, INCLUDING ALONG CAMP ERNST ROAD. TIME ESTIMATED BY RADAR.
Jun 18, 9:32 PM EDTTSTM WND DMG1 Sw Walton, KYTREES WERE BLOWN DOWN NEAR EXIT 171 OF I-75
Jun 18, 9:32 PM EDTTSTM WND DMG3 Se Burlington, KYTREES DOWNED IN THUNDER RIDGE SUBDIVISION. TIME ESTIMATED BY RADAR.
Jun 18, 9:36 PM EDTTSTM WND GST 56Kcvg Cinc N Ky Apt, KY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 18, 9:09 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.5 hours before the alert went out and 99 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 2021-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2257 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 2021-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 square meters per square second.19395878Sfc1 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
2257 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
1236 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
1.9
Supercell composite
17.6

Open this sounding in Storm Lab

The text

As transmitted.

016 
WUUS51 KILN 190130
SVRILN
INC115-155-KYC015-077-190145-
/O.NEW.KILN.SV.W.0039.210619T0130Z-210619T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Wilmington OH
930 PM EDT Fri Jun 18 2021

The National Weather Service in Wilmington has issued a

* Severe Thunderstorm Warning for...
  Ohio County in southeastern Indiana...
  Northeastern Switzerland County in southeastern Indiana...
  Boone County in northern Kentucky...
  Eastern Gallatin County in northern Kentucky...

* Until 945 PM EDT.

* At 929 PM EDT, severe thunderstorms were located along a line
  extending from Florence to near Union to near Rising Sun, moving
  southeast at 40 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Florence, Erlanger, Villa Hills, Walton, Rising Sun, Oakbrook,
  Burlington, Union, Crittenden, Patriot, Richwood, Pate, Ryle, Big
  Bone Lick, Steele Bottom, US Routes 42 and 127 at State Route 562,
  Rabbit Hash, Hueys Corners, Constance and Beaverlick.

This includes the following Interstates...
 I-71 in Kentucky between mile markers 66 and 77.
 I-75 in Kentucky between mile markers 170 and 183.

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.

&&

A Tornado Watch remains in effect until 1100 PM EDT for southeastern
Indiana...and southwestern Ohio.

LAT...LON 3898 8502 3898 8500 3894 8479 3909 8465
      3907 8462 3905 8462 3887 8460 3880 8461
      3880 8464 3879 8466 3878 8466 3877 8477
TIME...MOT...LOC 0129Z 313DEG 36KT 3900 8466 3891 8475 3894 8490 

HAIL...<.75IN
WIND...70MPH
 
$$

Franks

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 8:10 PM EDTSevere Thunderstorm WarningILNDearborn, Franklin, Ripley50 min
Jun 18, 8:14 PM EDTSevere Thunderstorm WarningILNUnion, Wayne31 min
Jun 18, 8:44 PM EDTSevere Thunderstorm WarningILNDearborn, Franklin, Ripley46 min
Jun 18, 8:56 PM EDTSevere Thunderstorm WarningILNDearborn, Ohio, Ripley, Switzerland34 min
Jun 18, 9:00 PM EDTFlash Flood WarningILNDearborn, Franklin, Ripley3 hr
Jun 18, 9:02 PM EDTTornado WarningILNDearborn, Ohio, Ripley28 min
Jun 18, 9:11 PM EDTTornado WarningILNDearborn, Ohio34 min
Jun 18, 9:39 PM EDTAreal Flood AdvisoryILNDearborn, Ohio3 hr
Jun 18, 11:59 PM EDTAreal Flood AdvisoryILNSwitzerland3 hr
Jun 19, 12:01 AM EDTSevere Thunderstorm WarningILNWayne27 min
Jun 19, 1:12 AM EDTAreal Flood AdvisoryILNWayne2 hr
Jun 19, 1:28 AM EDTFlash Flood WarningILNSwitzerland4 hr
Jun 19, 3:44 AM EDTAreal Flood AdvisoryILNDearborn, Franklin, Ripley, Switzerland3 hr
Jun 19, 4:40 AM EDTAreal Flood AdvisoryILNOhio, Switzerland5 hr
Jun 19, 6:39 AM EDTAreal Flood AdvisoryILNDearborn, Franklin, Ripley19 min
Jun 19, 6:54 AM EDTFlash Flood WarningILNDearborn, Franklin, Ohio, Ripley, Switzerland13 hr
Jun 19, 8:11 AM EDTSpecial Weather StatementILNOhio, Switzerland34 min
Jun 19, 10:02 AM EDTAreal Flood WarningILNOhio, Switzerland6 hr
Jun 19, 1:18 PM EDTRiver Flood AdvisoryILNDearborn, Franklin9 hr
Jun 18, 9:15 PM EDTSevere Thunderstorm WarningILNCampbell45 min
Jun 18, 9:23 PM EDTSevere Thunderstorm WarningILNCampbell, Gallatin, Grant, Kenton, Owen, Pendleton52 min
Jun 18, 9:49 PM EDTSevere Thunderstorm WarningILNBracken, Campbell, Lewis, Mason, Pendleton, Robertson56 min
Jun 18, 10:34 PM EDTSevere Thunderstorm WarningILNLewis, Mason, Robertson41 min
Jun 18, 11:24 PM EDTSpecial Weather StatementILNCarroll36 min
Jun 19, 12:05 AM EDTSpecial Weather StatementILNCarroll, Owen40 min
Jun 19, 12:23 AM EDTFlash Flood WarningILNCarroll, Owen4 hr
Jun 19, 12:47 AM EDTSpecial Weather StatementILNOwen28 min
Jun 19, 4:47 AM EDTAreal Flood WarningILNCarroll, Owen6 hr
Jun 19, 8:16 AM EDTAreal Flood AdvisoryILNCampbell, Kenton, Pendleton5 hr
Jun 19, 8:46 AM EDTSpecial Weather StatementILNCampbell, Grant, Kenton, Owen, Pendleton44 min
Jun 19, 9:08 AM EDTAreal Flood AdvisoryILNBracken, Campbell, Pendleton3 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2021Severe 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.