Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 210, NWS Pittsburgh, PA

October 4, 2006Fayette County, Westmoreland County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Oct 4, 2006, 6:24 PM EDT for Fayette County, Westmoreland County, Pennsylvania. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 4, 2006, 6:24 PM EDT (22:24 UTC)
Expired
Oct 4, 2006, 7:30 PM EDT
In force
66 min
Issued by
NWS Pittsburgh, PA
Area
Counties, with a storm outline in the text

Counties Fayette County, PA, Westmoreland County, PA

The radar

The Pittsburgh radar (KPBZ), 73 km from the middle of the area, began a volume at 22:25 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 4, 4:25 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.4 hours before the alert went out and 304 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, Phillips Aaf/Abe, MD at 12:00Z on 2006-10-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Phillips Aaf/Abe, MD at 12:00Z on 2006-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
6 J/kg
Mixed-layer CIN
-158 J/kg
Mixed-layer LCL
1139 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 4, 5:34 PM EDTSevere Thunderstorm WarningPBZWashington56 min
Oct 4, 6:15 PM EDTSevere Thunderstorm WarningPBZGreene75 min
Oct 4, 7:56 PM EDTSevere Thunderstorm WarningPBZWestmoreland64 min
Oct 4, 4:46 PM EDTSevere Thunderstorm WarningPBZCarroll59 min
Oct 4, 4:54 PM EDTSevere Thunderstorm WarningPBZHarrison66 min
Oct 4, 5:01 PM EDTSevere Thunderstorm WarningPBZJefferson59 min
Oct 4, 5:18 PM EDTSevere Thunderstorm WarningPBZMuskingum57 min
Oct 4, 5:30 PM EDTSevere Thunderstorm WarningPBZGuernsey60 min
Oct 4, 5:39 PM EDTSevere Thunderstorm WarningPBZBelmont66 min
Oct 4, 6:34 PM EDTSevere Thunderstorm WarningPBZNoble56 min
Oct 4, 5:16 PM EDTSevere Thunderstorm WarningPBZBrooke59 min
Oct 4, 6:07 PM EDTSevere Thunderstorm WarningPBZMarshall53 min
Oct 4, 7:07 PM EDTSevere Thunderstorm WarningPBZPreston68 min
Oct 4, 7:22 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia68 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2006Every severe thunderstorm warning in 2006

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.