Alert archive / Ohio / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 31, NWS Pittsburgh, PA

April 29, 1996Columbiana County, Jefferson County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Apr 29, 1996, 8:29 PM EDT for Columbiana County, Jefferson County, Ohio. It was in force for 61 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
Apr 29, 1996, 8:29 PM EDT (00:29 UTC)
Expired
Apr 29, 1996, 9:30 PM EDT
In force
61 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Columbiana County, OH, Jefferson County, OH

The radar

The Pittsburgh radar (KPBZ), 47 km from the middle of the area, began a volume at 00:31 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
Apr 29, 8:55 PM EDTHail 0.75Lisbon, OH
Apr 29, 9:17 PM EDTHail 0.75Wellsville, OH

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, 0.5 hours before the alert went out and 60 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 1996-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 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 1996-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.19395878Sfc1 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
52 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
1482 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
Apr 30, 11:33 AM EDTFlash Flood WarningPBZJefferson4 hr
Apr 30, 3:30 PM EDTFlash Flood WarningPBZJefferson6 hr
Apr 29, 8:12 PM EDTTornado WarningPBZCarroll63 min
Apr 30, 7:25 AM EDTFlash Flood WarningPBZCoshocton11 hr
Apr 30, 5:33 PM EDTFlash Flood WarningPBZCoshocton12 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 1996Every severe thunderstorm warning in 1996

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.