Alert archive / Indiana / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 82, NWS Wilmington, OH

May 23, 2020Fayette County, Franklin County, Wayne County, Indiana

NWS Wilmington, OH issued this severe thunderstorm warning at May 23, 2020, 3:38 PM EDT for Fayette County, Franklin County, Wayne County, Indiana. It was in force for 67 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: May 23, 2020, 3:38 PM EDT (19:38 UTC)
Expired: May 23, 2020, 4:45 PM EDT
In force: 67 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Fayette County, IN, Franklin County, IN, Wayne County, IN

The radar

The Indianapolis radar (KIND), 103 km from the middle of the area, began a volume at 19:37 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, 7.6 hours before the alert went out and 112 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: 9 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 1176 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 141 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 May 23, 1:54 PM EDT, 1 hour 44 minutes earlier.

Area forecast discussion, May 23, 1:54 PM EDT, 1 hour 44 minutes before

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Hazardous weather outlook, May 23, 2:56 PM EDT, 42 minutes before

Hazardous Weather Outlook
National Weather Service Wilmington OH
256 PM EDT Sat May 23 2020

KYZ099-100-OHZ026-034-035-042>046-051>056-061>065-072>074-079>082-
088-240900-
Mason-Lewis-Hardin-Mercer-Auglaize-Darke-Shelby-Logan-Union OH-
Delaware-Miami-Champaign-Clark-Madison-Franklin OH-Licking-
Montgomery-Greene-Fayette OH-Pickaway-Fairfield-Clinton-Ross-Hocking-
Brown-Highland-Adams-Pike-Scioto-
256 PM EDT Sat May 23 2020

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

.DAY ONE...This afternoon and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

INZ050-058-059-066-073>075-080-KYZ089>098-OHZ060-070-071-077-078-
240900-
Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Ohio-
Switzerland-Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-
Pendleton-Bracken-Robertson-Preble-Butler-Warren-Hamilton-Clermont-
256 PM EDT Sat May 23 2020

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

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms will occur this afternoon into this evening.
A few of the storms may become strong to severe. The primary hazards
will be damaging wind gusts and large hail.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, May 23, 3:30 PM EDT, 8 minutes before

Special Weather Statement
National Weather Service Wilmington OH
330 PM EDT Sat May 23 2020

INZ050-058-059-066-232100-
Fayette IN-Union IN-Wayne IN-Franklin IN-
330 PM EDT Sat May 23 2020

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN FRANKLIN COUNTY IN
SOUTHEASTERN INDIANA...WAYNE...UNION AND FAYETTE COUNTIES IN EAST
CENTRAL INDIANA UNTIL 500 PM EDT...

At 329 PM EDT, radar indicated a strong thunderstorm near Rushville,
moving east at 30 mph.

STORM HAZARDS INCLUDE...
Winds to 50 mph...
Nickel size hail...
Frequent cloud-to-ground lightning...

Locations impacted include...
Richmond, Connersville, Centerville, Cambridge City, Liberty, Dublin,
West College Corner, Glenwood, Salem, Waterloo, Columbia, Bunker
Hill, Abington, Brownsville, Greens Fork, East Germantown, Spring
Grove, Boston, Mount Auburn and Richmond Municipal Airport.

This includes the following Interstates...
 I-70 in Indiana between mile markers 134 and 156.
 I-70 in Ohio near mile marker 0.

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

Residents in these areas should remain alert. If this storm becomes
stronger, then a warning may be needed.

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 3979 8530 3979 8522 3987 8522 3993 8481
      3952 8482 3952 8526 3953 8530
TIME...MOT...LOC 1929Z 270DEG 28KT 3970 8549

McGinnis

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 4:35 PM EDT	Special Weather Statement	ILN	Butler, Preble	55 min
May 23, 5:42 PM EDT	Severe Thunderstorm Warning	ILN	Clermont, Hamilton	48 min
May 23, 6:02 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont	43 min
May 23, 6:43 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont	47 min
May 23, 7:21 PM EDT	Special Weather Statement	ILN	Adams	54 min
May 23, 3:30 PM EDT	Special Weather Statement	ILN	Fayette, Union, Wayne	90 min
May 23, 4:24 PM EDT	Special Weather Statement	ILN	Wayne	36 min
May 23, 6:23 PM EDT	Special Weather Statement	ILN	Ripley	37 min
May 23, 7:33 PM EDT	Areal Flood Advisory	ILN	Dearborn, Ohio, Ripley, Switzerland	3 hr
May 23, 7:46 PM EDT	Flash Flood Warning	ILN	Dearborn, Ohio, Ripley, Switzerland	3 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2020 Every 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.