Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 142, NWS Pittsburgh, PA

June 13, 1998Fayette County, Pennsylvania

NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 13, 1998, 3:12 PM EDT for Fayette County, Pennsylvania. It was in force for 58 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
Jun 13, 1998, 3:12 PM EDT (19:12 UTC)
Expired
Jun 13, 1998, 4:10 PM EDT
In force
58 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Fayette County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.2 hours before the alert went out and 67 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 1998-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 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
10 J/kg
Mixed-layer CIN
-168 J/kg
Mixed-layer LCL
500 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
195 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
Jun 12, 9:24 PM EDTSevere Thunderstorm WarningPBZCoshocton, Tuscarawas41 min
Jun 12, 9:34 PM EDTSevere Thunderstorm WarningPBZCarroll, Columbiana41 min
Jun 12, 10:07 PM EDTSevere Thunderstorm WarningPBZJefferson53 min
Jun 13, 2:13 PM EDTSevere Thunderstorm WarningPBZBelmont32 min
Jun 12, 10:07 PM EDTSevere Thunderstorm WarningPBZBeaver53 min
Jun 12, 10:09 PM EDTSevere Thunderstorm WarningPBZLawrence59 min
Jun 12, 10:52 PM EDTSevere Thunderstorm WarningPBZAllegheny58 min
Jun 12, 10:57 PM EDTSevere Thunderstorm WarningPBZButler43 min
Jun 12, 11:00 PM EDTSevere Thunderstorm WarningPBZBeaver29 min
Jun 13, 10:43 AM EDTSevere Thunderstorm WarningPBZFayette57 min
Jun 13, 1:30 PM EDTSevere Thunderstorm WarningPBZMercer45 min
Jun 13, 1:37 PM EDTSevere Thunderstorm WarningPBZBeaver44 min
Jun 13, 1:51 PM EDTSevere Thunderstorm WarningPBZAllegheny, Washington59 min
Jun 13, 2:38 PM EDTSevere Thunderstorm WarningPBZButler17 min
Jun 13, 2:50 PM EDTSevere Thunderstorm WarningPBZWashington45 min
Jun 13, 2:52 PM EDTSevere Thunderstorm WarningPBZAllegheny18 min
Jun 13, 2:54 PM EDTSevere Thunderstorm WarningPBZWestmoreland61 min
Jun 13, 2:24 PM EDTSevere Thunderstorm WarningPBZMarshall, Ohio36 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1998Every severe thunderstorm warning in 1998

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.