Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 39, NWS Binghamton, NY

June 30, 1990Wyoming County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at Jun 30, 1990, 7:27 PM EDT for Wyoming County, Pennsylvania. It was in force for 93 min. 2 reports 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 30, 1990, 7:27 PM EDT (23:27 UTC)
Expired
Jun 30, 1990, 9:00 PM EDT
In force
93 min
Issued by
NWS Binghamton, NY
Area
Whole counties

County Wyoming County, PA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jun 30, 8:00 PM EDTThunderstorm Wind 0Wyoming, PA
Jun 30, 8:00 PM EDTThunderstorm Wind 0Wyoming, PA

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 11.5 hours before the alert went out and 263 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, Atlantic City In, NJ at 12:00Z on 1990-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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, Atlantic City In, NJ at 12:00Z on 1990-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
8 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1068 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAVP 302327 RRA
SVRAVP
PAC131-010100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE WILKES-BARRE/SCRANTON PA
727 PM EDT SAT JUN 30 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 900 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTHEAST PART OF PENNSYLVANIA
      WYOMING

AT 720 PM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED THAT A SEVERE
THUNDERSTORM WAS LOCATED OVER SOUTHEASTERN BRADFORD COUNTY...
MOVING INTO NORTHWESTERN WYOMING COUNTY...NEAR MESHOPPEN.  THIS
STORM WAS MOVING RAPIDLY SOUTHEAST NEAR 50 MPH...AND SHOULD CROSS
MUCH OF CENTRAL AND SOUTHEASTERN WYOMING COUNTY.  THIS STORM HAS
HAD A HISTORY OF PRODUCING HAIL...HEAVY RAIN...AND DAMAGING WIND IN
BRADFORD COUNTY.

THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING.  PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDE  A STRONG BUILDING.  ONCE
INSIDE...STAY AWAY FROM WINDOWS.

 MJ

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, Jun 30, 5:25 PM EDT, 2 hours 2 minutes before
NYZ004-005-302300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SYRACUSE NY
520 PM EDT SAT JUN 30 1990

...MARINE WARNING IN EFFECT FOR LAKE ONTARIO FROM THIRTY MILE POINT TO
   OSWEGO UNTIL 600 PM EDT...

AT 500 PM EDT WEATHER SERVICE RADAR SHOWED A CLUSTER OF STRONG
THUNDERSTORMS OVER MUCH OF THE WESTERN HALF OF LAKE ONTARIO.  THE
LEADING EDGE OF THIS ACTIVITY EXTENDS FROM ABOUT SALMON POINT ON THE
NORTH SHORE OF LAKE ONTARIO TO JUST NORTH OF ROCHESTER ON THE SOUTH
SHORE.  THESE STORMS WERE MOVING TO THE SOUTHEAST AT 35 MILES AN HOUR.

VERY HEAVY RAIN...DANGEROUS LIGHTNING...HAIL AND WIND GUSTS OVER 60
60 MILES AN HOUR WERE REPORTED WITH SOME OF THESE STORMS AS THEY CROSSED
ONTARIO PROVINCE.

THESE ARE VERY DANGEROUS STORMS.  ALL MARINE INTERESTS SHOULD REMAIN
ALERT AND SMALL BOATS TAKE SHELTER IMMEDIATELY.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER INFORMATION AND POSSIBLE
WARNINGS CONCERNING THIS DEVELOPING WEATHER SITUATION.

WALLINGFORD
Special weather statement, Jun 30, 6:39 PM EDT, 48 minutes before
NYZ004-005-010100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SYRACUSE NY
635 PM EDT SAT JUN 30 1990

     ...STRONG THUNDERSTORMS MOVING INTO CENTRAL NEW YORK...

AT 630 PM EDT WEATHER SERVICE RADAR SHOWED A LARGE CLUSTER OF STRONG
THUNDERSTORMS MOVING INTO CENTRAL NEW YORK.  THESE STORMS COVERED
WESTERN OSWEGO AND NORTHERN CAYUGA COUNTY AND EXTENDED SOUTHWEST ACROSS
THE WESTERN FINGER LAKES REGION AND ALONG THE SOUTH SHORE OF LAKE ONTARIO
TO WEST OF ROCHESTER.  THESE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST
AT 35 MILES AN HOUR AND WILL MOVE INTO THE CITY OF SYRACUSE BY 700 PM.

VERY HEAVY RAIN...DANGEROUS LIGHTNING...HAIL AND WIND GUSTS OVER 60
MILES AN HOUR HAVE BEEN REPORTED WITH SOME OF THESE STORMS.

IF THREATENING WEATHER APPROACHES...SEEK SHELTER IMMEDIATELY AND STAY
TUNED TO NOAA WEATHER RADIO FOR FURTHER INFORMATION AND POSSIBLE
WARNINGS CONCERNING THIS WEATHER SITUATION.

WALLINGFORD
Special weather statement, Jun 30, 6:42 PM EDT, 45 minutes before
PAZ008-010-010000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILKES-BARRE SCRANTON PA
645 PM EDT SAT JUN 30 1990

...SEVERE THUNDERSTORM WATCH FOR COLUMBIA AND LUZERNE COUNTIES OF
NORTHEASTERN PENNSYLVANIA...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR PARTS OF CENTRAL AND EASTERN PENNSYLVANIA UNTIL 11 PM EDT THIS
EVENING.  IN NORTHEASTERN PENNSYLVANIA...THIS INCLUDES COLUMBIA AND
LUZERNE COUNTIES.

THE THREAT OF SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WIND
WILL EXIST IN AND CLOSE TO THE WATCH AREA UNTIL 11 PM EDT.

AT 630 PM EDT...NATIONAL WEATHER SERVICE INDICATED THAT AN INTENSE
THUNDERSTORM WAS LOCATED OVER NORTHERN LUZERNE COUNTY.  THIS STORM
WAS MOVING TO THE EAST NEAR 40 MPH.  VERY HEAVY RAIN...STRONG WIND...
...HAIL...AND DANGEROUS LIGHTNING IS POSSIBLE WITH THIS STORM
AS IT MOVES ACROSS LUZERNE AND SOUTHERN LACKAWANNA COUNTIES OVER
THE NEXT 1 TO 2 HOURS.  OTHER SHOWERS AND THUNDERSTORMS WERE ALSO
OVER NORTHEASTERN PENNSYLVANIA.

PERSONS IN OR CLOSE TO THE WATCH AREA ARE ADVISED TO REMAIN ALERT
FOR THREATENING WEATHER AND SEEK SHELTER IMMEDIATELY IF SUCH
WEATHER APPROACHES.

THE NEXT STATEMENT WILL BE ISSUED AROUND o8 PM EDT...OR SOONER IF
NEEDED.

JUREWICZ/WSO WILKES-BARRE SCRANTON
Special weather statement, Jun 30, 6:47 PM EDT, 40 minutes before
PAZ008-010-010000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILKES-BARRE SCRANTON PA
645 PM EDT SAT JUN 30 1990

...SEVERE THUNDERSTORM WATCH FOR COLUMBIA AND LUZERNE COUNTIES OF
NORTHEASTERN PENNSYLVANIA...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR PARTS OF CENTRAL AND EASTERN PENNSYLVANIA UNTIL 11 PM EDT THIS
EVENING.  IN NORTHEASTERN PENNSYLVANIA...THIS INCLUDES COLUMBIA AND
LUZERNE COUNTIES.

THE THREAT OF SEVERE THUNDERSTORMS WITH LARGE HAIL AND DAMAGING WIND
WILL EXIST IN AND CLOSE TO THE WATCH AREA UNTIL 11 PM EDT.

AT 630 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT AN INTENSE
THUNDERSTORM WAS LOCATED OVER NORTHERN LUZERNE COUNTY.  THIS STORM
WAS MOVING TO THE EAST NEAR 40 MPH.  VERY HEAVY RAIN...STRONG WIND...
...HAIL...AND DANGEROUS LIGHTNING IS POSSIBLE WITH THIS STORM
AS IT MOVES ACROSS LUZERNE AND SOUTHERN LACKAWANNA COUNTIES OVER
THE NEXT 1 TO 2 HOURS.  OTHER SHOWERS AND THUNDERSTORMS WERE ALSO
OVER NORTHEASTERN PENNSYLVANIA.

PERSONS IN OR CLOSE TO THE WATCH AREA ARE ADVISED TO REMAIN ALERT
FOR THREATENING WEATHER AND SEEK SHELTER IMMEDIATELY IF SUCH
WEATHER APPROACHES.

THE NEXT STATEMENT WILL BE ISSUqED AROUND 8 PM EDT...OR SOONER IF
NEEDED.

JUREWICZ/WSO WILKES-BARRE SCRANTON

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1990Every severe thunderstorm warning in 1990

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.