Alert archive / Pennsylvania / Tornado Warnings in 1998

Tornado Warning 13, NWS Pittsburgh, PA

June 2, 1998Indiana County, Pennsylvania

NWS Pittsburgh, PA issued this tornado warning at Jun 2, 1998, 6:56 PM EDT for Indiana County, Pennsylvania. It was in force for 34 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 2, 1998, 6:56 PM EDT (22:56 UTC)
Expired
Jun 2, 1998, 7:30 PM EDT
In force
34 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Indiana County, PA

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 12:00Z, 10.9 hours before the alert went out and 90 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 1998-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 158 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 1998-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 224 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
158 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
1288 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
224 m²/s²
0-3 km storm-relative helicity
261 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

591 
WFUS1 KPIT 022300 RRA
TORPIT
PAC063-022330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
656 PM EDT TUE JUN 2 1998

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

   * TORNADO WARNING FOR...
     NORTHERN INDIANA COUNTY IN PENNSYLVANIA

   * UNTIL 730 PM EDT

   * AT 656 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
     A THUNDERSTORM WITH A TORNADO OVER EXTREME NORTH CENTRAL        
     INDIANA COUNTY...OR ABOUT 18 MILES SOUTH OF                     
     BROOKVILLE...MOVING SOUTHEAST AT 35 MILES PER HOUR.

   * TORNADO WILL BE...
     5 MILES NORTHEAST OF ROCHESTER MILLS BY 710 PM 
      
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

KANE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 4:33 PM EDTSevere Thunderstorm WarningPBZMercer57 min
Jun 2, 4:49 PM EDTSevere Thunderstorm WarningPBZVenango56 min
Jun 2, 4:57 PM EDTSevere Thunderstorm WarningPBZBeaver, Lawrence63 min
Jun 2, 5:17 PM EDTSevere Thunderstorm WarningPBZAllegheny, Butler58 min
Jun 2, 5:25 PM EDTTornado WarningPBZBeaver45 min
Jun 2, 5:29 PM EDTTornado WarningPBZAllegheny51 min
Jun 2, 5:40 PM EDTSevere Thunderstorm WarningPBZWashington50 min
Jun 2, 5:50 PM EDTSevere Thunderstorm WarningPBZWestmoreland55 min
Jun 2, 5:54 PM EDTSevere Thunderstorm WarningPBZClarion51 min
Jun 2, 6:09 PM EDTTornado WarningPBZWestmoreland61 min
Jun 2, 6:13 PM EDTTornado WarningPBZAllegheny27 min
Jun 2, 6:20 PM EDTSevere Thunderstorm WarningPBZLawrence, Mercer60 min
Jun 2, 6:25 PM EDTSevere Thunderstorm WarningPBZJefferson65 min
Jun 2, 6:35 PM EDTFlash Flood WarningPBZAllegheny, Westmoreland2 hr
Jun 2, 6:36 PM EDTTornado WarningPBZJefferson59 min
Jun 2, 6:45 PM EDTTornado WarningPBZFayette45 min
Jun 2, 6:53 PM EDTSevere Thunderstorm WarningPBZVenango57 min
Jun 2, 6:58 PM EDTTornado WarningPBZBeaver, Lawrence62 min
Jun 2, 7:05 PM EDTTornado WarningPBZAllegheny, Butler70 min
Jun 2, 7:14 PM EDTSevere Thunderstorm WarningPBZClarion61 min
Jun 2, 7:15 PM EDTFlash Flood WarningPBZBeaver105 min
Jun 2, 7:28 PM EDTSevere Thunderstorm WarningPBZJefferson62 min
Jun 2, 7:40 PM EDTFlash Flood WarningPBZAllegheny, Westmoreland2 hr
Jun 2, 7:53 PM EDTTornado WarningPBZWestmoreland67 min
Jun 2, 7:57 PM EDTSevere Thunderstorm WarningPBZWashington58 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; the sounding from the Mesonet's radiosonde archive.