Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 63, NWS State College, PA

September 2, 1990Carbon County, Schuylkill County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Sep 2, 1990, 6:47 PM EDT for Carbon County, Schuylkill County, Pennsylvania. It was in force for 28 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
Sep 2, 1990, 6:47 PM EDT (22:47 UTC)
Expired
Sep 2, 1990, 7:15 PM EDT
In force
28 min
Issued by
NWS State College, PA
Area
Whole counties

Counties Carbon County, PA, Schuylkill 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
Sep 2, 6:52 PM EDTThunderstorm Wind 0Carbon, 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, 10.8 hours before the alert went out and 196 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 1990-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1990-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1209 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KABE 022247
SVRABE
PAC025-107-022315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE ALLENTOWN PA
647 PM EDT SUN SEP 2 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 715 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE EAST CENTRAL PART OF PENNSYLVANIA
      CARBON...NORTHERN SCHUYLKILL

AT 640 PM EDT  RADAR INDICATED SEVERE THUNDERSTORMS NEAR JIM THORPE
IN CARBON COUNTY AND IN SCHUYLKILL COUNTY NEAR RINGTOWN.

 THIS IS A DANGEROUS STORM AND PEOPLE IN THE WARNED AREA SHOULD BE
PREPARED FOR STRONG DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN
AND LIGHTNING. SHOULD THE STORM APPROACH YOU...SEEK IMMEDIATE
SHELTER. MOBILE HOMES ARE MOST VULNERABLE TO HIGH WINDS AND
SHOULD BE AVOIDED.

 A SEVERE THUNDERSTORM WATCH CONTINUES THE POCONOS AND THE LEHIGH
 VALLEY UNTIL 10 PM EDT.

 THE SEVERE THUNDERSTORM WARNING ISSUED AT 600 PM IS NO LONGER IN
 EFFECT FOR  CARBON COUNTY.

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, Sep 2, 2:32 PM EDT, 4 hours 15 minutes before
PAZ009-030000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARRISBURG PA
230 PM EDT SUN SEP 2  1990

...SEVERE THUNDERSTORM WATCH IS IN EFFECT.

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR
A LARGE PORTION OF PENNSYLVANIA WHICH INCLUDES MONTOUR...NORTHUMBERLAND...
UNION AND SNYDER COUNTIES UNTIL 800 PM.

THUNDERSTORMS WITH LARGE HAIL...DAMAGING WINDS...DANGEROUS LIGHTNING
AND HEAVY DOWNPOURS ARE POSSIBLE.

AT 230 PM HARRISBURG RADAR SHOWED THUNDERSTORMS NEAR SCRANTON AND
IN NEW YORK NEAR BINGHAMTON.  THEY WERE MOVING BRISKLY SOUTHEAST
AROUND 40 MPH.

STAY ALERT FOR FURTHER DEVELOPMENTS AND HEAD FOR SHELTER IF A WARNING IS
OR A SEVERE THUNDERSTORM APPROACHES.
THE NEXT STATEMENT WILL BE ISSUED AROUND 400 PM OR SOONER IF NEEDED.

KOWALZYK
Special weather statement, Sep 2, 2:35 PM EDT, 4 hours 12 minutes before
PAZ007-008-014-021935-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
235 PM EDT SUN SEP 2 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTHCENTRAL PENNSYLVANIA
UNTIL 800 PM EDT...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM EDT FOR THE
FOLLOWING COUNTIES OF NORTHCENTRAL PENNSYLVANIA
...TIOGA...BRADFORD...LYCOMING AND SULLIVAN.

AT 215 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SHOWERS
AND THUNDERSTORMS EXTENDING FROM SOUTHEASTERN TIOGA COUNTY INTO
CENTRAL NEW YORK. THUNDERSTORMS IN THIS AREA COULD CONTAIN STRONG
GUSTY WINDS DANGEROUS LIGHTNING AND LARGE HAIL.  THESE SHOWERS AND
THUNDERSTORMS WERE MOVING SOUTHEAST AT 35 MPH.

PERSONS IN AND CLOSE TO THE WATCH AREA ARE ADVISED TO BE ALERT TO
LOCAL WEATHER DEVELOPMENTS.  IF THREATENING WEATHER APPROACHES...GO TO
A SAFE PLACE IMMEDIATELY.

KF/PG
Special weather statement, Sep 2, 2:36 PM EDT, 4 hours 11 minutes before
PAZ009-030000-
SPECIAL WEATHER STATEMENT...CORRECTED TEXT
NATIONAL WEATHER SERVICE HARRISBURG PA
237 PM EDT SUN SEP 2  1990

...SEVERE THUNDERSTORM WATCH IS IN EFFECT.

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR
A LARGE PORTION OF PENNSYLVANIA WHICH INCLUDES MONTOUR...NORTHUMBERLAND...
UNION AND SNYDER COUNTIES UNTIL 800 PM.

THUNDERSTORMS WITH LARGE HAIL...DAMAGING WINDS...DANGEROUS LIGHTNING
AND HEAVY DOWNPOURS ARE POSSIBLE.

AT 230 PM HARRISBURG RADAR SHOWED THUNDERSTORMS NEAR SCRANTON AND
IN NEW YORK NEAR BINGHAMTON.  THEY WERE MOVING BRISKLY SOUTHEAST
AROUND 40 MPH.

STAY ALERT FOR FURTHER DEVELOPMENTS AND HEAD FOR SHELTER IF A WARNING IS
ISSUED OR A SEVERE THUNDERSTORM APPROACHES.
THE NEXT STATEMENT WILL BE ISSUED AROUND 400 PM OR SOONER IF NEEDED.

KOWALZYK
Special weather statement, Sep 2, 3:35 PM EDT, 3 hours 12 minutes before
PAZ007-008-014-022035-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
335 PM EDT SUN SEP 2 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF NORTHCENTRAL
PENNSYLVANIA UNTIL 800 PM EDT

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR ALL OF NORTHCENTRAL
PENNSYLVANIA WITH THE EXCEPTION OF CLINTON COUNTY UNTIL 8 PM THIS
EVENING.

AT 325 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED WIDELY SCATTERED
SHOWERS OVER NORTHCENTRAL PENNSYLVANIA. ONE SHOWER...WITH HEAVY RAIN
WAS OVER BUTTONWOOD IN NORTHERN LYCOMING COUNTY AND ANOTHER SHOWER WAS
OVER WYALUSING IN SOUTHEASTERN BRADFORD COUNTY. THE SHOWERS WERE
MOVING SOUTHEAST AT 35 MPH.

SO FAR NO REPORTS OF SEVERE WEATHER HAVE BEEN RECEIVED AT THE NATIONAL
WEATHER SERVICE...HOWEVER CONDITIONS REMAIN RIPE FOR THE DEVELOPMENT
OF SEVERE THUNDERSTORMS OVER NORTHCENTRAL PENNSYLVANIA. PERSONS IN AND
AROUND NORTHCENTRAL PENNSYLVANIA SHOULD REMAIN ALERT TO THE
POSSIBILITY OF THE DEVELOPMENT OF SEVERE THUNDERSTORMS THE REST OF
THIS AFTERNOON AND EVENING AND REMEMBER TO TAKE SHELTER IF THREATENING
WEATHER APPROACHES.

FJG/KF
Special weather statement, Sep 2, 4:15 PM EDT, 2 hours 32 minutes before
PAZ007-008-014-022115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
415 PM EDT SUN SEP 2 1990

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR ALL OF NORTHCENTRAL
PENNSYLVANIA UNTIL 800 PM EDT

A SEVERE THUNDERSTORM WATCH CONTINUES FOR ALL OF NORTHCENTRAL
PENNSYLVANIA WITH THE EXCEPTION OF CLINTON COUNTY UNTIL 8 PM THIS
EVENING.

AT 410 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED WIDELY
SCATTERED SHOWERS AND THUNDERSTORMS OVER NORTHCENTRAL PENNSYLVANIA.
ONE THUNDERSTORM WITH VERY HEAVY RAIN WAS OVER EASTERN LYCOMING
COUNTY...ABOUT 5 MILES NORTH OF PROCTOR. . THIS THUNDERSTORM WAS
MOVING SOUTHEAST AT 35 MPH AND IT SHOULD BE MOVING INTO THE MUNCY
VALLEY...SONESTOWN AREA OF SULLIVAN COUNTY BY 435 PM EDT.

SO FAR NO REPORTS OF SEVERE WEATHER HAVE BEEN RECEIVED AT THE NATIONAL
WEATHER SERVICE...HOWEVER CONDITIONS REMAIN RIPE FOR THE DEVELOPMENT
OF SEVERE THUNDERSTORMS OVER NORTHCENTRAL PENNSYLVANIA. PERSONS IN AND
AROUND NORTHCENTRAL PENNSYLVANIA SHOULD REMAIN ALERT TO THE
POSSIBILITY OF THE DEVELOPMENT OF SEVERE THUNDERSTORMS THE REST OF
THIS AFTERNOON AND EVENING AND REMEMBER TO TAKE SHELTER IF THREATENING
WEATHER APPROACHES.

FJG/KF
Special weather statement, Sep 2, 5:39 PM EDT, 1 hour 8 minutes before
PAZ009-032230-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARRISBURG PA
535 PM EDT SUN SEP 2  1990

...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR LEBANON, LANCASTER,
COUNTIES IN THE LOWER SUSQUEHANNA VALLEY UNTIL 10 PM EDT...

AT 530 PM  EDT THE HARRISBURG RADAR SHOWS SCATTERED THUNDERSTORMS IN WESTERN
MIFFLIN AND JUNIATA COUTNIES. ALSO IN SOUTHERN NORTHUMBERLAND AND UPPER DAUPHIN
COUNTIES IN THE SUSQUEHANNA VALLEY.  LARGEST AREAS OF THUNDERSTORMS CONTINUE
TO IN THE NORTHEASTERN PORTIONS OF PA FROM SOUTHEAST OF WILLIAMSPORT IN COLUMB
COUNTY EAST THRU THE WIKES-BARRE AND SCRANTON AREAS TO PIKE COUNTY. OTHER
THUNDERSTORMS ARE IN WESTMORELAND AND SOMERSET COUNTIES IN THE SOUTHWESTERN
MOUNTAINS OF PA.  ALL THE STORMS ARE MOVING TO THE SOUTHEAST AT BOUT 30 TO
35 MPH.   PERSON IN WESTERN PERRY AND WESTERN CUMBERLAND COUNTIES SHOULD BE
ON THE LOOKOUT FOR ONES IN MIFFLIN AND JUNTIA COUTNIES BETWEEN 6 AND 7PM.
AND PERSON IN EASTERN DAUPHuIN AND LEBANON COUNTIES SHOULD BE ON THE LOOKOUT
FOR THE ONES IN UPPER DAUPHIN AND NORTHTHUMBERLAND BETWEEN 6 AND 7 PM.

WSO HAR HURLEY

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.