Alert archive / Indiana / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 153, NWS Wilmington, OH

July 7, 2020Fayette County, Wayne County, Indiana

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 7, 2020, 3:48 PM EDT for Fayette County, Wayne County, Indiana. It was in force for 17 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 7, 2020, 3:48 PM EDT (19:48 UTC)
Expired
Jul 7, 2020, 4:05 PM EDT
In force
17 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Fayette County, IN, Wayne County, IN

The radar

The Indianapolis radar (KIND), 102 km from the middle of the area, began a volume at 19:50 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, 7.8 hours before the alert went out and 117 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 2020-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 67 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2020-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
67 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
1579 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 7, 3:20 PM EDT, 28 minutes earlier.

Area forecast discussion, Jul 7, 3:20 PM EDT, 28 minutes before
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Hazardous weather outlook, Jul 7, 5:08 AM EDT, 10 hours 40 minutes before
Hazardous Weather Outlook
National Weather Service Wilmington OH
508 AM EDT Tue Jul 7 2020

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-081000-
Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Ohio-
Switzerland-Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-
Pendleton-Bracken-Robertson-Mason-Lewis-Hardin-Mercer-Auglaize-Darke-
Shelby-Logan-Union OH-Delaware-Miami-Champaign-Clark-Madison-
Franklin OH-Licking-Preble-Montgomery-Greene-Fayette OH-Pickaway-
Fairfield-Butler-Warren-Clinton-Ross-Hocking-Hamilton-Clermont-Brown-
Highland-Adams-Pike-Scioto-
508 AM EDT Tue Jul 7 2020

This Hazardous Weather Outlook is for East Central Indiana,
Southeast Indiana, Northeast Kentucky, Northern Kentucky, Central
Ohio, South Central Ohio, Southwest Ohio and West Central Ohio.

.DAY ONE...Today and tonight.
Hot and humid conditions will lead to heat indices in the 95 to 100
degree range this afternoon.

Scattered thunderstorms will also be capable of producing heavy rain
and localized flooding this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Hot and humid conditions Wednesday through Friday will lead to heat
indices of 95-100 degrees each afternoon.

Scattered thunderstorms will also be capable of producing heavy rain
and localized flooding during the afternoons and evenings through
Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jul 7, 2:34 PM EDT, 1 hour 14 minutes before
Special Weather Statement
National Weather Service Wilmington OH
234 PM EDT Tue Jul 7 2020

INZ066-074-OHZ060-061-070-077-071915-
Franklin IN-Dearborn IN-Hamilton OH-Montgomery OH-Butler OH-
Preble OH-
234 PM EDT Tue Jul 7 2020

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN
FRANKLIN...NORTHEASTERN DEARBORN...NORTHWESTERN HAMILTON...EASTERN
PREBLE...BUTLER AND WESTERN MONTGOMERY COUNTIES UNTIL 315 PM EDT...

At 234 PM EDT, radar indicated strong thunderstorms along a line
extending from near Lewisburg to near Bright, moving east at 20 mph.

STORM HAZARDS INCLUDE...
Winds to 40 mph...
Frequent cloud-to-ground lightning...
Very heavy rain...

Locations impacted include...
Dayton, Hamilton, Fairfield, Trotwood, Oxford, Englewood, Trenton,
Harrison, Eaton, Greendale, Bright, Hidden Valley, Ross, Cleves,
Camden, Lewisburg, West Alexandria, Gratis, Seven Mile and Shawnee.

This includes the following Interstates...
 I-70 in Ohio between mile markers 11 and 20.
 I-74 in Indiana between mile markers 164 and 171.
 I-74 in Ohio between mile markers 0 and 11.

Do not stay in the open or seek shelter under trees when lightning
threatens. Move indoors when thunderstorms approach.

Water will pond on roads and may quickly fill roadside ditches and
small streams.

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

LAT...LON 3984 8461 3985 8422 3914 8470 3917 8504
TIME...MOT...LOC 1834Z 255DEG 16KT 3980 8456 3921 8493

Coniglio
Special weather statement, Jul 7, 2:39 PM EDT, 1 hour 9 minutes before
Special Weather Statement
National Weather Service Wilmington OH
239 PM EDT Tue Jul 7 2020

OHZ056-071915-
Licking OH-
239 PM EDT Tue Jul 7 2020

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN LICKING COUNTY
UNTIL 315 PM EDT...

At 239 PM EDT, radar indicated a strong thunderstorm near Harbor
Hills, moving east at 20 mph.

STORM HAZARDS INCLUDE...
Winds to 45 mph...
Frequent cloud-to-ground lightning...
Very heavy rain...

Locations impacted include...
Newark, Heath, Hanover, Marne, Gratiot, Toboso and Brownsville.

This includes I-70 in Ohio between mile markers 134 and 142, and near
mile marker 144.

Do not stay in the open or seek shelter under trees when lightning
threatens. Move indoors when a thunderstorm approaches.

Water will pond on roads and may quickly fill roadside ditches and
small streams.

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

LAT...LON 3996 8220 3995 8220 3995 8223 3991 8223
      3992 8240 3993 8240 4010 8244 4013 8219
TIME...MOT...LOC 1839Z 255DEG 16KT 3997 8233

Coniglio
Special weather statement, Jul 7, 2:43 PM EDT, 1 hour 5 minutes before
Special Weather Statement
National Weather Service Wilmington OH
243 PM EDT Tue Jul 7 2020

OHZ056-071915-
Licking OH-
243 PM EDT Tue Jul 7 2020

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN LICKING COUNTY
UNTIL 315 PM EDT...

At 239 PM EDT, radar indicated a strong thunderstorm near Harbor
Hills, moving east at 20 mph.

STORM HAZARDS INCLUDE...
Winds to 45 mph...
Frequent cloud-to-ground lightning...
Very heavy rain...

Locations impacted include...
Newark, Heath, Hanover, Marne, Gratiot, Toboso and Brownsville.

This includes I-70 in Ohio between mile markers 134 and 142, and near
mile marker 144.

Do not stay in the open or seek shelter under trees when lightning
threatens. Move indoors when a thunderstorm approaches.

Water will pond on roads and may quickly fill roadside ditches and
small streams.

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

LAT...LON 3996 8220 3995 8220 3995 8223 3991 8223
      3992 8240 3993 8240 4010 8244 4013 8219
TIME...MOT...LOC 1839Z 255DEG 16KT 3997 8233

Coniglio
Special weather statement, Jul 7, 2:43 PM EDT, 1 hour 5 minutes before
Special Weather Statement
National Weather Service Wilmington OH
243 PM EDT Tue Jul 7 2020

OHZ051-071915-
Miami OH-
243 PM EDT Tue Jul 7 2020

...A STRONG THUNDERSTORM WILL AFFECT MIAMI COUNTY UNTIL 315 PM EDT...

At 243 PM EDT, radar indicated a strong thunderstorm near Troy,
moving east at 20 mph.

STORM HAZARDS INCLUDE...
Winds to 45 mph...
Frequent cloud-to-ground lightning...
Very heavy rain...

Locations impacted include...
Troy, Piqua, Tipp City, West Milton, Covington, Bradford, Pleasant
Hill, Union, Laura, Fletcher, Potsdam, Casstown, Ludlow Falls,
Ginghamsburg, Haven View, Circle Hill, Farrington, Garland and
Grayson.

This includes I-75 in Ohio between mile markers 66 and 83.

Do not stay in the open or seek shelter under trees when lightning
threatens. Move indoors when a thunderstorm approaches.

Water will pond on roads and may quickly fill roadside ditches and
small streams.

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

LAT...LON 4008 8403 4002 8404 3993 8408 3992 8443
      4013 8443 4019 8410
TIME...MOT...LOC 1843Z 255DEG 16KT 4002 8427

Coniglio
Special weather statement, Jul 7, 3:25 PM EDT, 23 minutes before
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Special weather statement, Jul 7, 3:35 PM EDT, 13 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 3:36 AM EDTSpecial Weather StatementILNLicking24 min
Jul 7, 3:59 AM EDTSpecial Weather StatementILNLicking31 min
Jul 7, 4:37 AM EDTAreal Flood AdvisoryILNLicking113 min
Jul 7, 1:19 PM EDTSpecial Weather StatementILNHardin26 min
Jul 7, 1:46 PM EDTSpecial Weather StatementILNMiami29 min
Jul 7, 1:49 PM EDTSpecial Weather StatementILNLicking26 min
Jul 7, 1:52 PM EDTSpecial Weather StatementILNDarke38 min
Jul 7, 2:13 PM EDTSpecial Weather StatementILNMiami32 min
Jul 7, 2:18 PM EDTAreal Flood AdvisoryILNLicking3 hr
Jul 7, 2:34 PM EDTSpecial Weather StatementILNButler, Montgomery, Preble41 min
Jul 7, 2:39 PM EDTSpecial Weather StatementILNLicking36 min
Jul 7, 2:43 PM EDTSpecial Weather StatementILNLicking32 min
Jul 7, 3:05 PM EDTSevere Thunderstorm WarningILNChampaign, Clark, Miami, Montgomery23 min
Jul 7, 3:25 PM EDTSpecial Weather StatementILNChampaign, Clark, Greene35 min
Jul 7, 3:52 PM EDTSpecial Weather StatementILNLogan23 min
Jul 7, 5:42 PM EDTSpecial Weather StatementILNDelaware33 min
Jul 7, 5:47 PM EDTSpecial Weather StatementILNMercer28 min
Jul 7, 6:07 PM EDTAreal Flood AdvisoryILNDelaware, Franklin, Licking3 hr
Jul 7, 6:43 PM EDTSpecial Weather StatementILNPike32 min
Jul 7, 6:50 PM EDTSpecial Weather StatementILNScioto25 min
Jul 7, 7:42 PM EDTAreal Flood AdvisoryILNScioto73 min
Jul 7, 12:46 PM EDTSpecial Weather StatementILNWayne29 min
Jul 7, 1:01 PM EDTSevere Thunderstorm WarningILNWayne30 min
Jul 7, 1:33 PM EDTSpecial Weather StatementILNWayne27 min
Jul 7, 1:55 PM EDTSpecial Weather StatementILNFranklin35 min
Jul 7, 3:35 PM EDTSpecial Weather StatementILNWayne25 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2020Every severe thunderstorm warning in 2020

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.