Alert archive / Pennsylvania / Tornado Warnings in 1998

Tornado Warning 42, NWS State College, PA

June 2, 1998Somerset County, Pennsylvania

NWS State College, PA issued this tornado warning at Jun 2, 1998, 8:13 PM EDT for Somerset County, Pennsylvania. It was in force for 92 min. 1 report 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
Jun 2, 1998, 8:13 PM EDT (00:13 UTC)
Expired
Jun 2, 1998, 9:45 PM EDT
In force
92 min
Issued by
NWS State College, PA
Area
Whole counties

County Somerset County, PA

The radar

The Pittsburgh radar (KPBZ), 119 km from the middle of the area, began a volume at 00:16 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
Jun 2, 9:02 PM EDTTornado F3Bakersville, PAThe second tornado of the evening, and the third to strike Somerset County in 3 days, this F3 was by far the longest and strongest of the trio. The storm created a path of damage 33 or more miles long, from Fayette County southeast across southern Somerset Cou

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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 2, 4:15 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.2 hours before the alert went out and 103 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 1998-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1770 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 1998-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 352 square meters per square second.1939587897Sfc1 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
1770 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1107 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
352 m²/s²
0-3 km storm-relative helicity
383 m²/s²
Significant tornado parameter
4.1
Supercell composite
19.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

034 
WFUS01 KCTP 030012 RRA
TORCTP
PAC111-030145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
813 PM EDT TUE JUN 2 1998

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A

* TORNADO WARNING FOR...
  SOMERSET COUNTY IN SOUTHWESTERN PENNSYLVANIA

* UNTIL 945 PM EDT

* AT 811 PM EDT... STATE COLLEGE DOPPLER RADAR INDICATED A TORNADO
  25 MILES NORTHWEST OF SOMERSET MOVING SOUTHEAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  LAUREL MOUNTAIN VILLAGE         BY 835 PM EDT
  JEROME                          BY 845 PM EDT
  SOMERSET                        BY 850 PM EDT
  MEYERSDALE                      BY 900 PM EDT

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

MSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 8:02 PM EDTTornado WarningCTPCameron63 min
Jun 2, 8:10 PM EDTTornado WarningCTPJuniata, Mifflin75 min
Jun 2, 8:52 PM EDTTornado WarningCTPCentre63 min
Jun 2, 8:57 PM EDTTornado WarningCTPUnion48 min
Jun 2, 9:04 PM EDTTornado WarningCTPMontour, Northumberland61 min
Jun 2, 9:10 PM EDTTornado WarningCTPHuntingdon, Mifflin45 min
Jun 2, 9:12 PM EDTTornado WarningCTPSnyder33 min
Jun 2, 9:25 PM EDTTornado WarningCTPColumbia, Schuylkill75 min

Nearby

Tornado Warnings in Pennsylvania, 1998Every tornado warning in 1998Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.