Alert archive / Pennsylvania / Tornado Warnings in 1992

Tornado Warning 2, NWS State College, PA

July 17, 1992Lebanon County, Pennsylvania

NWS State College, PA issued this tornado warning at Jul 17, 1992, 6:45 PM EDT for Lebanon County, Pennsylvania. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Jul 17, 1992, 6:45 PM EDT (22:45 UTC)
Expired
Jul 17, 1992, 7:15 PM EDT
In force
30 min
Issued by
NWS State College, PA
Area
Whole counties

County Lebanon County, PA

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.8 hours before the alert went out and 177 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, Washington/Dulle, VA at 12:00Z on 1992-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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, Washington/Dulle, VA at 12:00Z on 1992-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.193958Sfc1 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
30 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
953 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHAR 172247
TORHAR
PAC075-172315-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HARRISBURG PA
645 PM EDT FRI JUL 17 1992
 
THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTH CENTRAL PENNSYLVANIA
 
   ...LEBANON COUNTY
 
LEBANON COUNTY EMERGENCY MANAGEMENT REPORTS A FUNNEL CLOUD WAS SIGHTED
IN PALMYRA. THIS IS AN EXTREMELY DANGEROUS STORM. ACT QUICKLY AND
TAKE SHELTER NOW. PERSONS IN ANNVILLE...CLEAONA...AND LEBANON ARE IN
THE DIRECT PATH OF THIS STORM.  IF YOU LIVE IN OR NEAR THESE AREAS GO
TO A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.
 
 
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 4:10 PM EDTSevere Thunderstorm WarningCTPFranklin65 min
Jul 17, 4:13 PM EDTSevere Thunderstorm WarningCTPCumberland62 min
Jul 17, 5:17 PM EDTSevere Thunderstorm WarningCTPCumberland, Dauphin58 min
Jul 17, 5:38 PM EDTSevere Thunderstorm WarningCTPYork67 min
Jul 17, 5:43 PM EDTSevere Thunderstorm WarningCTPNorthumberland, Snyder47 min
Jul 17, 6:14 PM EDTSevere Thunderstorm WarningCTPLancaster61 min
Jul 17, 6:18 PM EDTSevere Thunderstorm WarningCTPDauphin, Lebanon27 min
Jul 17, 6:46 PM EDTTornado WarningCTPBerks14 min
Jul 17, 6:56 PM EDTTornado WarningCTPBerks19 min
Jul 17, 7:02 PM EDTSevere Thunderstorm WarningCTPLancaster, York58 min
Jul 17, 7:13 PM EDTSevere Thunderstorm WarningCTPBerks32 min
Jul 17, 7:16 PM EDTTornado WarningCTPLebanon29 min
Jul 17, 7:39 PM EDTSevere Thunderstorm WarningCTPBerks36 min

Nearby

Tornado Warnings in Pennsylvania, 1992Every tornado warning in 1992Tornadoes in 1992

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.