Alert archive / Ohio / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 61, NWS Wilmington, OH

May 30, 2018Clark County, Greene County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at May 30, 2018, 4:02 PM EDT for Clark County, Greene County, Ohio. It was in force for 27 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 30, 2018, 4:02 PM EDT (20:02 UTC)
Expired: May 30, 2018, 4:29 PM EDT
In force: 27 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clark County, OH, Greene County, OH

The radar

The Cincinnati radar (KILN), 43 km from the middle of the area, began a volume at 20:01 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, 8.0 hours before the alert went out and 42 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: 21 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 1004 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 159 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 30, 3:16 PM EDT, 46 minutes earlier.

Area forecast discussion, May 30, 3:16 PM EDT, 46 minutes before

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Hazardous weather outlook, May 30, 3:25 PM EDT, 37 minutes before

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In the hours before

Special weather statement, May 30, 3:30 PM EDT, 32 minutes before

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Local storm report, May 30, 3:34 PM EDT, 28 minutes before

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Local storm report, May 30, 3:38 PM EDT, 24 minutes before

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Special weather statement, May 30, 3:40 PM EDT, 22 minutes before

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Local storm report, May 30, 3:41 PM EDT, 21 minutes before

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Local storm report, May 30, 3:45 PM EDT, 17 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
May 30, 3:02 PM EDT	Special Weather Statement	ILN	Warren	28 min
May 30, 3:18 PM EDT	Severe Thunderstorm Warning	ILN	Greene, Montgomery, Warren	23 min
May 30, 3:30 PM EDT	Special Weather Statement	ILN	Clinton, Greene	45 min
May 30, 3:38 PM EDT	Severe Thunderstorm Warning	ILN	Clark, Greene, Miami, Montgomery	20 min
May 30, 3:40 PM EDT	Special Weather Statement	ILN	Miami, Shelby	50 min
May 30, 4:24 PM EDT	Special Weather Statement	ILN	Auglaize	36 min
May 30, 4:32 PM EDT	Special Weather Statement	ILN	Pike, Scioto	28 min
May 30, 4:38 PM EDT	Special Weather Statement	ILN	Licking	37 min
May 30, 5:12 PM EDT	Special Weather Statement	ILN	Pike	33 min
May 30, 5:17 PM EDT	Special Weather Statement	ILN	Fairfield	43 min
May 30, 5:48 PM EDT	Special Weather Statement	ILN	Pickaway	42 min
May 30, 6:06 PM EDT	Special Weather Statement	ILN	Licking	24 min
May 30, 6:23 PM EDT	Special Weather Statement	ILN	Hocking	37 min
May 30, 6:29 PM EDT	Special Weather Statement	ILN	Licking	31 min
May 30, 7:31 PM EDT	Special Weather Statement	ILN	Butler, Hamilton	44 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.