Alert archive / Pennsylvania / Tornado Warnings in 1994

Tornado Warning 1, NWS State College, PA

May 26, 1994Adams County, York County, Pennsylvania

NWS State College, PA issued this tornado warning at May 26, 1994, 3:14 PM EDT for Adams County, York County, Pennsylvania. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
May 26, 1994, 3:14 PM EDT (19:14 UTC)
Expired
May 26, 1994, 4:00 PM EDT
In force
46 min
Issued by
NWS State College, PA
Area
Whole counties

Counties Adams County, PA, York County, PA

The radar

The Sterling radar (KLWX), 111 km from the middle of the area, began a volume at 19:16 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 7.2 hours before the alert went out and 217 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 1994-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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 1994-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
3 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
94 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 KHAR 261914
TORHAR
PAC001-133-262000-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HARRISBURG PA
314 PM EDT THU MAY 26 1994
 
THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  400 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN SOUTH CENTRAL PENNSYLVANIA
 
   ...NORTHERN ADAMS COUNTY...YORK COUNTY
 
AT 315 PM DOPPLER WEATHER RADAR IN STATE COLLEGE INDICATED A POSSIBLE
TORNADO OVER NORTHERN ADAMS COUNTY. THE POSSIBLE TORNADO WAS MOVING
TOWARD THE EAST AT 40 MILES AN HOUR.
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO. TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
 
 
 
&
NNNN

What forecasters said that day

The local office's own words before this tornado 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, May 26, 10:00 AM EDT, 5 hours 14 minutes before
PAZ012-037-038-041-042-045-046-049>052-261520-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
1000 AM EDT THU MAY 26 1994

...THUNDERSTORMS WITH HEAVY DOWNPOURS AND DANGEROUS LIGHTNING MOVING
THROUGH NORTHCENTRAL PENNSYLVANIA...

AT 1000 AM EST NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SHOWERS
AND THUNDERSTORMS EXTENDING FROM WESTFIELD TO WELLSBORO...
WILLIAMSPORT...MILTON AND DANVILLE.  THE LINE WAS MOVING EAST
NORTHEAST AT 45 MPH AND HAD WEAKENED SOMEWHAT OVER THE PAST HOUR.

THE LINE OF SHOWERS AND THUNDERSTORMS SHOULD BE MOVING THROUGH THE
WILLIAMSPORT AND WELLSBORO AREAS SHORTLY AND THEN REACH TOWANDA AND
LAPORTE AROUND 1100 AM EDT.

RADAR REPORTS INDICATE THAT THE THUNDERSTORMS CONTAINED MAINLY BRIEF
GUSTY WINDS...DANGEROUS LIGHTNING AND HEAVY DOWNPOURS.  HAIL AND/OR
DAMAGING WINDS ARE ALSO POSSIBLE TODAY IN ANY THUNDERSTORM.  PERSON
LIVING IN NORTHCENTRAL PENNSYLVANIA SHOULD REMAIN ALERT THIS MORNING
AND TAKE SHELTER IF THREATENING WEATHER APPROACHES. EVERYONE IS
REMINDED TO STAY AWAY FROM WINDOWS DURING A THUNDERSTORM AND DO NOT
USE ELECTRICAL APPLIANCES OR TELEPHONES UNTIL THE STORM HAS PASSED.

FARINA
Special weather statement, May 26, 10:30 AM EDT, 4 hours 44 minutes before
PAZ012-037-038-041-042-045-046-049>052-261530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
1030 AM EDT THU MAY 26 1994

...SHOWERS AND ISOLATED THUDNERSTORMS MOVING OUT OF NORTHCENTRAL
PENNSYLVANIA...

AT 1030 AM EST NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF SHOWERS
AND A FEW THUNDERSTORMS EXTENDING FROM MANSFIELD TO CANTON...THROUGH
LAPORTE BLOOMSBURG AND LANCASTER.  THE LINE WAS MOVING EAST NORTHEAST
AT 45 MPH AND CONTINUED TO WEAKEN OVER THE PAST HOUR.

THE LINE OF SHOWERS AND THUNDERSTORMS SHOULD BE MOVING OUT OF THE
REGION BY 1130 AM EDT.  ANY THUNDERSTORMS IN THIS LINE CONTAINED
MAINLY SOME BRIEF HEAVY DOWNPOURS AND SOME LIGHTNING.  MOST AREAS JUST
SAW SOME LIGHT TO MODERATE SHOWERS LASTING FOR ABOUT AN HOUR.

LATER THIS AFTERNOON...MORE SHOWERS AND THUNDERSTORMS COULD DEVELOP
WITH THE POTENTIAL FOR SEVERE WEATHER.  STAY TUNED TO NOAA WEATHER
RADIO FOR LATER STATEMENTS IN THE EVENT THAT MORE THUNDERSTORMS
DEVELOP THIS AFTERNOON.

FARINA
Special weather statement, May 26, 1:30 PM EDT, 1 hour 44 minutes before
PAZ012-037-038-041-042-045-046-049>052-261830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
130 PM EDT THU MAY 26 1994

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR ALL OF NORTHCENTRAL PENNSYLVANIA UNTIL 800 PM EDT THIS EVENING.
THE WATCH INCLUDES THE COUNTIES OF TIOGA...BRADFORD...CLINTON...
SULLIVAN AND LYCOMING.

A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
THE DEVELOPMENT OF SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA.
SEVERE THUNDERSTORMS CAN CONTAIN DAMAGING WINDS IN EXCESS OF 55 MPH...
LARGE HAIL...AND DANGEROUS LIGHTNING.

AT 130 PM EDT NATIONAL WEATHER SERVICE RADAR WAS SHOWING SCATTERED
SHOWERS OVER NORTHCENTRAL PENNSYLVANIA WITH AN ISOLATED THUNDERSTORM
NEAR WATERVILLE.  STRONGER STORMS WERE OCCURRING OVER THE NORTHWESTERN
SECTIONS OF THE STATE.  THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST
NORTHEAST AT 45 MPH AND STRENGTHENING.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION ON ANY
SEVERE THUNDERSTORMS THAT DEVELOP.  REMEMBER THE SAFEST PLACE TO BE
DURING A SEVERE THUNDERSTORM IS INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

FARINA
Special weather statement, May 26, 1:55 PM EDT, 1 hour 19 minutes before
PAZ018-019-026>028-035-036-049>052-056-057-059-063>066-262000-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTED
NATIONAL WEATHER SERVICE HARRISBURG PA
155 PM EDT THU MAY 26 1994

...SEVERE THUNDERSTORM WATCH FOR THE MIDDLE SUSQUEHANNA VALLEY AND
   PORTIONS OF THE SOUTH CENTRAL MOUNTAINS OF PA UNTIL 8 PM...

THE SEVERE THUNDERSTORM WATCH INCLUDES ALL OF THE MIDDLE SUSQUEHANNA VALLEY
INCLUDING MONTOUR...SNYDER...UNION...AND NORTHUMBERLAND COUNTIES.  THE WATCH
ALSO INCLUDES PORTIONS OF THE SOUTH CENTRAL MOUNTAINS INCLUDING CENTRE...
MIFFLIN...AND HUNTINGDON COUNTIES.

A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE
DEVELOPMENT OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.  YOU
SHOULD GO ABOUT YOUR DAILY BUSINESS...BUT BE ON THE LOOKOUT AND KEEP UP
TO DATE ON WEATHER CONDITIONS.

AT 130 PM HARRISBURG RADAR SHOWED AN AREA OF SCATTERED SHOWERS AND
THUNDERSTORMS DEVELOPING ACROSS WESTERN AND CENTRAL PENNSYLVANIA.  THE
STRONGEST STORMS...WHICH WERE PRODUCING VERY HEAVY RAIN...WERE OVER
CENTRE COUNTY JUST SOUTHEAST OF STATE COLLEGE AND OVER BEDFORD COUNTY
BETWEEN HYNDMAN AND EVERETT.

THE SHOWERS AND STORMS WERE MOVING TOWARD THE EAST-NORTHEAST AT 40 MILES
AN HOUR.

MATUSIEWICZ
...ADDED WATCH EXPIRATION TIME...
Special weather statement, May 26, 2:25 PM EDT, 49 minutes before
PAZ012-037-038-041-042-045-046-049>052-261930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
225 PM EDT THU MAY 26 1994

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF NORTHCENTRAL
PENNSYLVANIA UNTIL 800 PM EDT THIS EVENING.  THE WATCH INCLUDES ALL
THE COUNTIES OF NORTHCENTRAL PENNSYLVANIA.

A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
THE DEVELOPMENT OF SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA.
SEVERE THUNDERSTORMS CAN CONTAIN DAMAGING WINDS IN EXCESS OF 55 MPH...
LARGE HAIL...AND DANGEROUS LIGHTNING.

AT 220 PM EDT NATIONAL WEATHER SERVICE RADAR WAS SHOWING SCATTERED
SHOWERS AND THUNDERSTORMS DEVELOPING OVER NORTHCENTRAL PENNSYLVANIA.
A THUNDERSTORM WITH HEAVY RAIN WAS 10 MILES SOUTHEAST OF WATERVILLE.
A DEVELOPING LINE OF THUNDERSTORMS ALSO EXTENDED FROM DUBOIS TO
JOHNSTOWN.  THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST NORTHEAST
AT 45 MPH.

DURING THE NEXT COUPLE OF HOURS SHOWERS AND THUNDERSTORMS WILL
CONTINUE TO DEVELOP AND MOVE INTO NORTHCENTRAL PENNSYLVANIA.  ANY OF
THE THUNDERSTORMS THAT DO DEVELOP COULD CONTAIN STRONG DAMAGING
WINDS...LARGE HAIL AND HEAVY DOWNPOURS.

REMEMBER THE SAFEST PLACE TO BE DURING A SEVERE THUNDERSTORM IS INSIDE
A STRONG BUILDING AND AWAY FROM WINDOWS.  RESIDENTS OF NORTHCENTRAL
PENNSYLVANIA SHOULD REMAIN ALERT THIS AFTERNOON AND TAKE SHELTER IF
THREATENING WEATHER APPROACHES.

FARINA/GOUGH
Special weather statement, May 26, 2:30 PM EDT, 44 minutes before
PAZ012-037-038-041-042-045-046-049>052-261930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
225 PM EDT THU MAY 26 1994

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF NORTHCENTRAL
PENNSYLVANIA UNTIL 800 PM EDT THIS EVENING.  THE WATCH INCLUDES ALL
THE COUNTIES OF NORTHCENTRAL PENNSYLVANIA.

A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
THE DEVELOPMENT OF SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA.
SEVERE THUNDERSTORMS CAN CONTAIN DAMAGING WINDS IN EXCESS OF 55 MPH...
LARGE HAIL...AND DANGEROUS LIGHTNING.

AT 220 PM EDT NATIONAL WEATHER SERVICE RADAR WAS SHOWING SCATTERED
SHOWERS AND THUNDERSTORMS DEVELOPING OVER NORTHCENTRAL PENNSYLVANIA.
A THUNDERSTORM WITH HEAVY RAIN WAS 10 MILES SOUTHEAST OF WATERVILLE.
A DEVELOPING LINE OF THUNDERSTORMS ALSO EXTENDED FROM DUBOIS TO
JOHNSTOWN.  THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST NORTHEAST
AT 45 MPH.

DURING THE NEXT COUPLE OF HOURS SHOWERS AND THUNDERSTORMS WILL
CONTINUE TO DEVELOP AND MOVE INTO NORTHCENTRAL PENNSYLVANIA.  ANY OF
THE THUNDERSTORMS THAT DO DEVELOP COULD CONTAIN STRONG DAMAGING
WINDS...LARGE HAIL AND HEAVY DOWNPOURS.

REMEMBER THE SAFEST PLACE TO BE DURING A SEVERE THUNDERSTORM IS INSIDE
A STRONG BUILDING AND AWAY FROM WINDOWS.  RESIDENTS OF NORTHCENTRAL
PENNSYLVANIA SHOULD REMAIN ALERT THIS AFTERNOON AND TAKE SHELTER IF
THREATENING WEATHER APPROACHES.

FARINA/GOUGH

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 2:14 PM EDTSevere Thunderstorm WarningCTPFranklin61 min
May 26, 2:51 PM EDTSevere Thunderstorm WarningCTPAdams, Cumberland69 min
May 26, 3:57 PM EDTSevere Thunderstorm WarningCTPLancaster, York63 min
May 26, 5:00 PM EDTSevere Thunderstorm WarningCTPLancaster30 min

Nearby

Tornado Warnings in Pennsylvania, 1994Every tornado warning in 1994Tornadoes in 1994

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; radar from the NEXRAD Level II archive.