Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 17, NWS Pittsburgh, PA

May 18, 1997Monroe County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at May 18, 1997, 4:24 PM EDT for Monroe County, Ohio. It was in force for 36 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: May 18, 1997, 4:24 PM EDT (20:24 UTC)
Expired: May 18, 1997, 5:00 PM EDT
In force: 36 min
Issued by: NWS Pittsburgh, PA
Area: Whole counties

County Monroe County, OH

The radar

The Pittsburgh radar (KPBZ), 116 km from the middle of the area, began a volume at 20:25 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
May 18, 4:30 PM EDT	Thunderstorm Wind	Woodsfield, OH	Thunderstorm winds blew down a produce stand. Two large trees also fell and a small shed was destroyed along Rt. 26 near Woodsfield.

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 12:00Z, 8.4 hours before the alert went out and 113 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 820 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 448 m²/s²
0-3 km storm-relative helicity: 540 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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

Special weather statement, May 18, 11:57 AM EDT, 4 hours 27 minutes before

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Special weather statement, May 18, 11:58 AM EDT, 4 hours 26 minutes before

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Special weather statement, May 18, 3:44 PM EDT, 40 minutes before

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Special weather statement, May 18, 3:56 PM EDT, 28 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 5:19 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	41 min
May 18, 4:38 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont	52 min
May 18, 5:51 PM EDT	Severe Thunderstorm Warning	PBZ	Columbiana	69 min
May 18, 6:13 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Tuscarawas	62 min
May 18, 6:42 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton	63 min
May 18, 7:15 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll	30 min
May 18, 7:49 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	26 min
May 18, 4:57 PM EDT	Severe Thunderstorm Warning	PBZ	Marshall	33 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.