Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 70, NWS Pittsburgh, PA

July 27, 1997Muskingum County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 27, 1997, 8:30 PM EDT for Muskingum County, Ohio. It was in force for 60 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
Jul 27, 1997, 8:30 PM EDT (00:30 UTC)
Expired
Jul 27, 1997, 9:30 PM EDT
In force
60 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Muskingum County, OH

The radar

The Pittsburgh radar (KPBZ), 159 km from the middle of the area, began a volume at 00:29 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

TimeReportWhereRemark
Jul 27, 8:40 PM EDTThunderstorm WindHopewell, OHThunderstorm winds downed trees.
Jul 27, 8:40 PM EDTThunderstorm WindDarlington, OHThunderstorm winds downed trees.

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.

IssuedProductOfficeLasted
Jul 27, 7:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.5 hours before the alert went out and 164 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-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 1997-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 1997-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
54 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1790 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
34 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 1:26 PM EDTSevere Thunderstorm WarningPBZGreene, Washington64 min
Jul 28, 1:58 PM EDTSevere Thunderstorm WarningPBZFayette62 min
Jul 28, 2:26 PM EDTSevere Thunderstorm WarningPBZAllegheny49 min
Jul 27, 9:00 PM EDTSevere Thunderstorm WarningPBZGuernsey, Noble60 min
Jul 28, 11:20 AM EDTSevere Thunderstorm WarningPBZCoshocton55 min
Jul 28, 11:57 AM EDTSevere Thunderstorm WarningPBZCarroll63 min
Jul 28, 12:24 PM EDTSevere Thunderstorm WarningPBZGuernsey51 min
Jul 28, 12:50 PM EDTSevere Thunderstorm WarningPBZBelmont55 min
Jul 28, 2:48 PM EDTSevere Thunderstorm WarningPBZMonroe27 min
Jul 28, 1:16 PM EDTSevere Thunderstorm WarningPBZMarshall29 min
Jul 28, 1:41 PM EDTSevere Thunderstorm WarningPBZWetzel49 min
Jul 28, 2:30 PM EDTSevere Thunderstorm WarningPBZWetzel60 min
Jul 28, 2:34 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia41 min
Jul 28, 2:34 PM EDTSevere Thunderstorm WarningPBZPreston41 min
Jul 28, 3:48 PM EDTSevere Thunderstorm WarningPBZTucker42 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1997Every 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.