Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 53, NWS Pittsburgh, PA

May 29, 1995Lawrence County, Pennsylvania; Columbiana County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at May 29, 1995, 1:25 AM EDT for Lawrence County, Pennsylvania; Columbiana County, Ohio. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
May 29, 1995, 1:25 AM EDT (05:25 UTC)
Expired
May 29, 1995, 2:30 AM EDT
In force
65 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Columbiana County, OH, Lawrence County, PA

The radar

The Pittsburgh radar (KPBZ), 48 km from the middle of the area, began a volume at 05:26 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.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 5.4 hours before the alert went out and 65 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 1995-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 130 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 1995-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 347 square meters per square second.193958Sfc1 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
130 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
347 m²/s²
0-3 km storm-relative helicity
435 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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
May 29, 1:25 AM EDTSevere Thunderstorm WarningPBZMercer65 min
May 29, 2:26 AM EDTSevere Thunderstorm WarningPBZLawrence, Mercer64 min
May 29, 3:14 AM EDTSevere Thunderstorm WarningPBZButler, Venango61 min
May 29, 3:03 PM EDTSevere Thunderstorm WarningPBZTucker42 min
May 29, 3:44 PM EDTSevere Thunderstorm WarningPBZTucker31 min
May 29, 5:40 PM EDTSevere Thunderstorm WarningPBZPreston, Tucker50 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1995Severe Thunderstorm Warnings in Ohio, 1995Every severe thunderstorm warning in 1995

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.