Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 286, NWS Wilmington, OH

July 21, 1998Auglaize County, Hardin County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 21, 1998, 11:02 PM EDT for Auglaize County, Hardin County, Ohio. It was in force for 88 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 21, 1998, 11:02 PM EDT (03:02 UTC)
Expired: Jul 22, 1998, 12:30 AM EDT
In force: 88 min
Issued by: NWS Wilmington, OH
Area: Whole counties

Counties Auglaize County, OH, Hardin County, OH

What was reported inside it

Time	Report	Where	Remark
Jul 21, 11:05 PM EDT	Thunderstorm Wind 50	Kenton, OH	Numerous trees downed.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 21, 7:00 PM EDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 21, 11:00 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.0 hours before the alert went out and 132 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: 1651 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 1488 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 21, 9:45 PM EDT, 1 hour 17 minutes earlier.

Area forecast discussion, Jul 21, 9:45 PM EDT, 1 hour 17 minutes before

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In the hours before

Special weather statement, Jul 21, 9:00 PM EDT, 2 hours 2 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 21, 11:02 PM EDT	Severe Thunderstorm Warning	ILN	Mercer	88 min
Jul 21, 11:39 PM EDT	Severe Thunderstorm Warning	ILN	Logan	56 min
Jul 22, 5:22 PM EDT	Severe Thunderstorm Warning	ILN	Pike	48 min
Jul 22, 6:14 PM EDT	Severe Thunderstorm Warning	ILN	Ross	26 min
Jul 22, 5:39 PM EDT	Flash Flood Warning	ILN	Mason	2 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 1998 Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.