Alert archive / Ohio / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 110, NWS Wilmington, OH

July 1, 2018Champaign County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 1, 2018, 5:40 PM EDT for Champaign County, Ohio. It was in force for 35 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 1, 2018, 5:40 PM EDT (21:40 UTC)
Expired: Jul 1, 2018, 6:15 PM EDT
In force: 35 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Champaign County, OH

The radar

The Cincinnati radar (KILN), 80 km from the middle of the area, began a volume at 21:40 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, 9.7 hours before the alert went out and 79 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: 642 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 1484 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 12 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 1, 3:54 PM EDT, 1 hour 46 minutes earlier.

Area forecast discussion, Jul 1, 3:54 PM EDT, 1 hour 46 minutes before

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Hazardous weather outlook, Jul 1, 4:00 PM EDT, 1 hour 40 minutes before

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In the hours before

Special weather statement, Jul 1, 4:20 PM EDT, 1 hour 20 minutes before

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Special weather statement, Jul 1, 4:55 PM EDT, 45 minutes before

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Special weather statement, Jul 1, 4:58 PM EDT, 42 minutes before

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Special weather statement, Jul 1, 5:14 PM EDT, 26 minutes before

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Special weather statement, Jul 1, 5:25 PM EDT, 15 minutes before

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Special weather statement, Jul 1, 5:29 PM EDT, 11 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
Jul 1, 11:21 AM EDT	Excessive Heat Warning	ILN	Hamilton	5 hr
Jul 1, 11:21 AM EDT	Heat Advisory	ILN	Butler	5 hr
Jul 1, 3:42 PM EDT	Special Weather Statement	ILN	Clermont	18 min
Jul 1, 3:47 PM EDT	Special Weather Statement	ILN	Brown	13 min
Jul 1, 3:58 PM EDT	Special Weather Statement	ILN	Warren	17 min
Jul 1, 4:17 PM EDT	Special Weather Statement	ILN	Adams	28 min
Jul 1, 4:20 PM EDT	Special Weather Statement	ILN	Montgomery	25 min
Jul 1, 4:55 PM EDT	Special Weather Statement	ILN	Clinton	20 min
Jul 1, 4:58 PM EDT	Special Weather Statement	ILN	Miami	32 min
Jul 1, 5:14 PM EDT	Special Weather Statement	ILN	Fayette	31 min
Jul 1, 5:25 PM EDT	Special Weather Statement	ILN	Champaign	35 min
Jul 1, 5:29 PM EDT	Special Weather Statement	ILN	Scioto	31 min
Jul 1, 5:55 PM EDT	Special Weather Statement	ILN	Pike	35 min
Jul 1, 6:18 PM EDT	Areal Flood Advisory	ILN	Pike, Scioto	2 hr
Jul 1, 7:04 PM EDT	Special Weather Statement	ILN	Franklin	26 min
Jul 1, 7:19 PM EDT	Special Weather Statement	ILN	Fairfield	26 min
Jul 1, 7:31 PM EDT	Special Weather Statement	ILN	Delaware	29 min
Jul 1, 7:36 PM EDT	Special Weather Statement	ILN	Hocking	24 min
Jul 1, 7:53 PM EDT	Special Weather Statement	ILN	Fairfield	22 min
Jul 1, 2:19 PM EDT	Special Weather Statement	ILN	Boone	26 min
Jul 1, 3:06 PM EDT	Special Weather Statement	ILN	Campbell, Kenton	24 min
Jul 1, 3:26 PM EDT	Special Weather Statement	ILN	Campbell	19 min
Jul 1, 2:26 PM EDT	Special Weather Statement	ILN	Dearborn	34 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2018 Every severe thunderstorm warning in 2018

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.