Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 13, NWS State College, PA

July 10, 1992Dauphin County, Lebanon County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 10, 1992, 6:01 PM EDT for Dauphin County, Lebanon County, Pennsylvania. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1992, 6:01 PM EDT (22:01 UTC)
Expired
Jul 10, 1992, 6:45 PM EDT
In force
44 min
Issued by
NWS State College, PA
Area
Whole counties

Counties Dauphin County, PA, Lebanon County, PA

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.0 hours before the alert went out and 174 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 1992-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 774 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 1992-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
774 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
1117 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHAR 102205
SVRHAR
PAC043-075-102245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HARRISBURG PA
601 PM EDT FRI JUL 10 1992
 
THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN SOUTH CENTRAL PENNSYLVANIA
 
   ...SOUTHERN DAUPHIN COUNTY...LEBANON COUNTY
 
AT 600 PM EDT WEATHER SERVICE RADARS IN STERLING VIRGINIA AND
HARRISBURG PENNSYLVANIA SHOW A SEVERE THUNDERSTORM OVER SOUTHERN
DAUPHIN COUNTY.  A SPOTTER REPORT OF DAMAGE TO A HOME IN SOUTHERN
DAUPHIN COUNTY AND WIRES DOWN HAS ALSO BEEN RECEIVED.
 
THIS STORM WILL CROSS SOUTHERN DAUPHIN COUNTY BETWEEN 600 AND 615 PM
AND LEBANON COUNTY BETWEEN 615 AND 645 PM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 10, 4:22 PM EDT, 1 hour 39 minutes before
PAZ006-008-009-013-110200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARRISBURG  PA
420 PM EDT FRI JUL 10 1992

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF SOUTH CENTRAL
PENNSYLVANIA...

AT 415 PM EDT HARRISBURG RADAR SHOWED AN AREA OF ISOLATED STRONG
THUNDERSTORMS IN THE SOUTH CENTRAL AND LAUREL MOUNTAINS.  ONE STRONG STORM
WAS 5 MILES SOUTHWEST OF HUNTINGDON ALONG THE HUNTINGDON AND BLAIR COUNTY
BORDER.  THIS STORM WILL CROSS CENTRAL HUNTINGDON COUNTY AND ENTER MIFFLIN
COUNTY BETWEEN 4:15 AND 5:00 PM EDT.

THIS STORM IS MOVING EAST AT AROUND 40 MILES PER HOUR.

STONG GUSTY WINDS...HAIL OF 1/4 TO 1/2 INCH DIAMETER...AND DANGEROUS
LIGHTNING ARE LIKELY WITH THIS STORM.  PERSONS IN ITS PATH SHOULD SEEK
SHELTER INSIDE UNTIL THE STORM HAS PAST.
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE
FOR FURTHER INTENSIFICATION OF STORMS THIS AFTERNOON AND EVENING.
STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TELEVISION
STATION FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.

PRA
Special weather statement, Jul 10, 5:17 PM EDT, 44 minutes before
PAZ006-008-009-013-110200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARRISBURG  PA
518 PM EDT FRI JUL 10 1992

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF SOUTH CENTRAL
PENNSYLVANIA...

AT 505 PM EDT HARRISBURG RADAR SHOWED AN AREA OF THUNDERSTORMS SOME OF WHICH
CONTAINED HEAVY RAIN IN PERRY...JUNIATA...HUNTINGDON AND MIFFLIN COUNTIES
AS WELL AS MUCH OF THE SOUTH CENTRAL AND LAUREL MOUNTAINS.  THE STRONGEST
STORM WAS IN NORTHWESTERN BEDFORD COUNTY. A SEVERE THUNDERSTORM WARNING WAS
IN EFFECT FOR THAT STORM UNTIL 600 PM.

THE STORMS WERE MOVING EAST AT AROUND 40 MILES PER HOUR. THE STORM IN BEDFORD
COUNTY WILL REACH FULTON COUNTY AROUND 600 PM.

STONG GUSTY WINDS...HAIL AND DEADLY LIGHTNING ARE POSSIBLE WITH SOME OF
THE STORMS.  IF THREATENING WEATHER APPROACHES...TAKE SHELTER IN A STRONG
BUILDING UNTIL THE STORM HAS PASSED.
A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR
DEVELOPMENT OF SEVNERE STORMS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR POSSIBLE
WARNINGS.

TK
Special weather statement, Jul 10, 5:51 PM EDT, 10 minutes before
PAZ006-008-009-013-110200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARRISBURG  PA
545 PM EDT FRI JUL 10 1992

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF SOUTH CENTRAL
PENNSYLVANIA...

AT 545 PM EDT HARRISBURG RADAR SHOWED AN AREA OF THUNDERSTORMS SOME OF WHICH
CONTAINED VERY HEAVY RAIN AND POSSIBLY SMALL HAIL IN LEBANON AND DAUPHIN
COUNTIES.  THE STRONGEST STORM WAS LOCATED 8 MILES SOUTHEAST OF LEBANON IN
LEBANON COUNTY.  ANOTHER STRONG STORM WAS LOCATED OVER HARRISBURG IN DAUPHIN
COUNTY.  THESE STORMS WILL CROSS SOUTHERN DAUPIN...SOUTHERN LEBANON AND
NORTHERN LANCASTER COUNTIES BETWEEN BETWEEN 545 PM AND 630 PM THIS EVENING.

THE STORMS WERE MOVING EAST AT AROUND 40 MILES PER HOUR. THE STORM OVER
HARRISBURG WILL REACH THE LANCASTER AREA AROUND 615 PM.

STONG GUSTY WINDS...HAIL AND DEADLY LIGHTNING ARE POSSIBLE WITH SOME OF
THE STORMS.  IF THREATENING WEATHER APPROACHES...TAKE SHELTER IN A STRONG

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR
DEVELOPMENT OF SEVERE STORMS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR POSSIBLE
WARNINGS.

PRA
Special weather statement, Jul 10, 5:53 PM EDT, 8 minutes before
PAZ006-008-009-013-110200-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE HARRISBURG  PA
545 PM EDT FRI JUL 10 1992

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MOST OF SOUTH CENTRAL
PENNSYLVANIA...

AT 545 PM EDT HARRISBURG RADAR SHOWED AN AREA OF THUNDERSTORMS SOME OF WHICH
CONTAINED VERY HEAVY RAIN AND POSSIBLY SMALL HAIL IN LEBANON AND DAUPHIN
COUNTIES.  THE STRONGEST STORM WAS LOCATED 8 MILES SOUTHEAST OF LEBANON IN
LEBANON COUNTY.  ANOTHER STRONG STORM WAS LOCATED OVER HARRISBURG IN DAUPHIN
COUNTY.  THESE STORMS WILL CROSS SOUTHERN DAUPIN...SOUTHERN LEBANON AND
NORTHERN LANCASTER COUNTIES BETWEEN BETWEEN 545 PM AND 630 PM THIS EVENING.

THE STORMS WERE MOVING EAST AT AROUND 40 MILES PER HOUR. THE STORM OVER
HARRISBURG WILL REACH THE LANCASTER AREA AROUND 615 PM.

STONG GUSTY WINDS...HAIL AND DEADLY LIGHTNING ARE POSSIBLE WITH SOME OF
THE STORMS.  IF THREATENING WEATHER APPROACHES...TAKE SHELTER IN A STRONG
BUILDING BUT STAY AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR
DEVELOPMENT OF SEVERE STORMS.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR POSSIBLE
WARNINGS.

PRA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 6:16 PM EDTSevere Thunderstorm WarningCTPLancaster59 min
Jul 10, 6:18 PM EDTSevere Thunderstorm WarningCTPBerks27 min
Jul 10, 6:20 PM EDTSevere Thunderstorm WarningCTPClinton55 min
Jul 10, 6:40 PM EDTSevere Thunderstorm WarningCTPBerks35 min
Jul 10, 7:41 PM EDTSevere Thunderstorm WarningCTPLycoming34 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1992Every severe thunderstorm warning 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.