Alert archive / Ohio / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 217, NWS Wilmington, OH

August 6, 2019Union County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 6, 2019, 4:15 PM EDT for Union County, Ohio. It was in force for 30 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: Aug 6, 2019, 4:15 PM EDT (20:15 UTC)
Expired: Aug 6, 2019, 4:45 PM EDT
In force: 30 min
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Union County, OH

The radar

The Cincinnati radar (KILN), 105 km from the middle of the area, began a volume at 20:16 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

Detroit, MI (KDTX), launched 12:00Z, 8.3 hours before the alert went out and 269 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: 160 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1216 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Aug 6, 4:08 PM EDT, 7 minutes earlier.

Area forecast discussion, Aug 6, 4:08 PM EDT, 7 minutes before

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Hazardous weather outlook, Aug 6, 5:06 AM EDT, 11 hours 9 minutes before

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In the hours before

Special weather statement, Aug 6, 3:27 PM EDT, 48 minutes before

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Special weather statement, Aug 6, 3:32 PM EDT, 43 minutes before

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Special weather statement, Aug 6, 3:37 PM EDT, 38 minutes before

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Local storm report, Aug 6, 3:44 PM EDT, 31 minutes before

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Special weather statement, Aug 6, 3:54 PM EDT, 21 minutes before

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Special weather statement, Aug 6, 3:57 PM EDT, 18 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 6, 2:14 PM EDT	Special Weather Statement	ILN	Montgomery	31 min
Aug 6, 2:30 PM EDT	Special Weather Statement	ILN	Warren	30 min
Aug 6, 2:41 PM EDT	Special Weather Statement	ILN	Greene	34 min
Aug 6, 2:55 PM EDT	Special Weather Statement	ILN	Warren	35 min
Aug 6, 3:04 PM EDT	Special Weather Statement	ILN	Fayette	26 min
Aug 6, 3:08 PM EDT	Severe Thunderstorm Warning	ILN	Clinton	24 min
Aug 6, 3:27 PM EDT	Special Weather Statement	ILN	Madison	33 min
Aug 6, 3:32 PM EDT	Special Weather Statement	ILN	Hamilton	28 min
Aug 6, 3:57 PM EDT	Special Weather Statement	ILN	Franklin, Pickaway	33 min
Aug 6, 4:22 PM EDT	Special Weather Statement	ILN	Clermont	23 min
Aug 6, 4:30 PM EDT	Special Weather Statement	ILN	Fairfield, Hocking	30 min
Aug 6, 5:19 PM EDT	Special Weather Statement	ILN	Clermont	26 min
Aug 6, 5:48 PM EDT	Special Weather Statement	ILN	Brown	27 min
Aug 6, 4:31 PM EDT	Special Weather Statement	ILN	Kenton	29 min
Aug 6, 7:16 PM EDT	Special Weather Statement	ILN	Mason	29 min
Aug 6, 2:47 PM EDT	Special Weather Statement	ILN	Switzerland	28 min
Aug 6, 3:37 PM EDT	Special Weather Statement	ILN	Ripley	23 min
Aug 6, 3:44 PM EDT	Severe Thunderstorm Warning	ILN	Dearborn, Ohio, Ripley	31 min
Aug 6, 3:54 PM EDT	Special Weather Statement	ILN	Switzerland	36 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2019 Every severe thunderstorm warning in 2019

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.