Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 92, NWS Pittsburgh, PA

August 16, 1997Columbiana County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 16, 1997, 2:23 AM EDT for Columbiana County, Ohio. It was in force for 52 min. 2 reports 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: Aug 16, 1997, 2:23 AM EDT (06:23 UTC)
Expired: Aug 16, 1997, 3:15 AM EDT
In force: 52 min
Issued by: NWS Pittsburgh, PA
Area: Whole counties

County Columbiana County, OH

The radar

The Pittsburgh radar (KPBZ), 54 km from the middle of the area, began a volume at 06:27 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.

What was reported inside it

Time	Report	Where	Remark
Aug 16, 2:30 AM EDT	Thunderstorm Wind	Salem, OH	Large trees were downed by thunderstorm winds.
Aug 16, 2:45 AM EDT	Thunderstorm Wind	Columbiana, OH	Several large limbs were downed by thunderstorm winds.

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 nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 6.4 hours before the alert went out and 70 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: 1929 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 698 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 268 m²/s²
Significant tornado parameter: 2.8
Supercell composite: 13.0

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.

In the hours before

Local storm report, Aug 15, 10:05 PM EDT, 4 hours 18 minutes before

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Local storm report, Aug 15, 10:10 PM EDT, 4 hours 13 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 16, 3:23 AM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	52 min
Aug 16, 3:41 AM EDT	Severe Thunderstorm Warning	PBZ	Butler	49 min
Aug 16, 11:39 AM EDT	Severe Thunderstorm Warning	PBZ	Mercer	66 min
Aug 16, 12:08 PM EDT	Severe Thunderstorm Warning	PBZ	Venango	67 min
Aug 16, 12:10 PM EDT	Severe Thunderstorm Warning	PBZ	Lawrence	65 min
Aug 16, 12:35 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion	55 min
Aug 16, 12:37 PM EDT	Severe Thunderstorm Warning	PBZ	Forest	68 min
Aug 16, 12:40 PM EDT	Severe Thunderstorm Warning	PBZ	Butler	65 min
Aug 16, 12:46 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong	29 min
Aug 16, 12:48 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	57 min
Aug 16, 1:38 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	52 min
Aug 16, 5:03 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer	57 min
Aug 16, 5:18 PM EDT	Tornado Warning	PBZ	Mercer	57 min
Aug 16, 5:46 PM EDT	Severe Thunderstorm Warning	PBZ	Venango	59 min
Aug 16, 6:00 PM EDT	Tornado Warning	PBZ	Mercer	60 min
Aug 16, 6:13 PM EDT	Flash Flood Warning	PBZ	Mercer	4 hr
Aug 16, 6:32 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Venango	58 min
Aug 16, 6:40 PM EDT	Severe Thunderstorm Warning	PBZ	Lawrence	65 min
Aug 16, 7:03 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer	57 min
Aug 16, 7:03 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong	57 min
Aug 16, 7:08 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Jefferson	67 min
Aug 16, 7:35 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence	55 min
Aug 16, 7:42 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	63 min
Aug 16, 4:38 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton	67 min
Aug 16, 7:22 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	68 min
Aug 16, 7:51 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll	69 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1997 Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.