Alert archive / Ohio / Special Weather Statements in 2021

Special Weather Statement, NWS Wilmington, OH

August 11, 2021Hardin County, Ohio

NWS Wilmington, OH issued this special weather statement at Aug 11, 2021, 8:34 AM EDT for Hardin County, Ohio. It was in force for 41 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 11, 2021, 8:34 AM EDT (12:34 UTC)
Expired: Aug 11, 2021, 9:15 AM EDT
In force: 41 min
Issued by: NWS Wilmington, OH
Hail: 0.25 in
Wind: 40

County Hardin County, OH

The radar

The Cincinnati radar (KILN), 147 km from the middle of the area, began a volume at 12:34 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, 0.6 hours before the alert went out and 146 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: 1853 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1037 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 11, 6:24 AM EDT, 2 hours 10 minutes earlier.

Area forecast discussion, Aug 11, 6:24 AM EDT, 2 hours 10 minutes before

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Hazardous weather outlook, Aug 11, 4:10 AM EDT, 4 hours 24 minutes before

Hazardous Weather Outlook
National Weather Service Wilmington OH
410 AM EDT Wed Aug 11 2021

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-120815-
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-
410 AM EDT Wed Aug 11 2021

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.

Strong to severe storms are possible today with damaging winds being
the main threat. Locally heavy rain is also possible with the
strongest storms.

The heat index may reach between 95 and 100 today.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The heat index may reach between 100 and 105 on Thursday.

Strong to severe storms are possible Thursday and Friday with
damaging winds being the main threat. Locally heavy rain is also
possible with the strongest storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 11, 3:14 AM EDT, 5 hours 20 minutes before

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Special weather statement, Aug 11, 3:22 AM EDT, 5 hours 12 minutes before

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Special weather statement, Aug 11, 3:44 AM EDT, 4 hours 50 minutes before

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Local storm report, Aug 11, 7:52 AM EDT, 42 minutes before

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Special weather statement, Aug 11, 8:34 AM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 11, 1:07 AM EDT	Special Weather Statement	ILN	Mercer	38 min
Aug 11, 3:14 AM EDT	Special Weather Statement	ILN	Licking	31 min
Aug 11, 3:44 AM EDT	Special Weather Statement	ILN	Licking	31 min
Aug 11, 2:18 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Mercer	57 min
Aug 11, 2:55 PM EDT	Heat Advisory	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	29 hr
Aug 11, 3:03 PM EDT	Special Weather Statement	ILN	Darke	27 min
Aug 11, 3:10 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Darke, Logan, Mercer, Shelby	65 min
Aug 11, 3:19 PM EDT	Severe Thunderstorm Warning	ILN	Hardin, Logan	56 min
Aug 11, 3:47 PM EDT	Severe Thunderstorm Warning	ILN	Darke, Miami, Shelby	41 min
Aug 11, 3:52 PM EDT	Special Weather Statement	ILN	Champaign, Logan	23 min
Aug 11, 4:11 PM EDT	Special Weather Statement	ILN	Hardin	19 min
Aug 11, 4:16 PM EDT	Special Weather Statement	ILN	Union	29 min
Aug 11, 4:24 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Logan, Union	37 min
Aug 11, 4:30 PM EDT	Special Weather Statement	ILN	Champaign	30 min
Aug 11, 4:47 PM EDT	Special Weather Statement	ILN	Franklin, Madison	28 min
Aug 11, 4:58 PM EDT	Special Weather Statement	ILN	Licking	32 min
Aug 11, 5:03 PM EDT	Severe Thunderstorm Warning	ILN	Delaware, Franklin, Madison, Union	42 min
Aug 11, 5:30 PM EDT	Severe Thunderstorm Warning	ILN	Licking	41 min
Aug 11, 5:37 PM EDT	Special Weather Statement	ILN	Fairfield	23 min
Aug 11, 5:58 PM EDT	Special Weather Statement	ILN	Fairfield	32 min

Nearby

Special Weather Statements in Ohio, 2021 Every special weather statement 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.