Alert archive / Pennsylvania / Tornado Warnings in 1995

Tornado Warning 10, NWS Pittsburgh, PA

July 15, 1995Westmoreland County, Pennsylvania

NWS Pittsburgh, PA issued this tornado warning at Jul 15, 1995, 7:17 PM EDT for Westmoreland County, Pennsylvania. It was in force for 118 min.

The area

The counties it named.

The facts

Issued
Jul 15, 1995, 7:17 PM EDT (23:17 UTC)
Expired
Jul 15, 1995, 9:15 PM EDT
In force
118 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Westmoreland County, PA

The radar

The Pittsburgh radar (KPBZ), 68 km from the middle of the area, began a volume at 23:18 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 12:00Z, 11.3 hours before the alert went out and 55 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 12:00Z on 1995-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4594 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 12:00Z on 1995-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -51 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
4594 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
720 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-51 m²/s²
0-3 km storm-relative helicity
1 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 15, 5:48 PM EDTSevere Thunderstorm WarningPBZFayette, Greene, Washington42 min
Jul 15, 6:01 PM EDTSevere Thunderstorm WarningPBZWestmoreland59 min
Jul 15, 6:38 PM EDTSevere Thunderstorm WarningPBZFayette, Westmoreland67 min
Jul 15, 6:38 PM EDTSevere Thunderstorm WarningPBZForest67 min
Jul 15, 7:10 PM EDTSevere Thunderstorm WarningPBZBeaver, Butler, Lawrence80 min
Jul 15, 7:17 PM EDTFlash Flood WarningPBZWestmoreland118 min
Jul 15, 7:25 PM EDTSevere Thunderstorm WarningPBZAllegheny65 min
Jul 15, 7:29 PM EDTSevere Thunderstorm WarningPBZJefferson61 min

Nearby

Tornado Warnings in Pennsylvania, 1995Every tornado warning in 1995Tornadoes 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.