Alert archive / Pennsylvania / Tornado Warnings in 1994

Tornado Warning 3, NWS State College, PA

June 6, 1994Juniata County, Pennsylvania

NWS State College, PA issued this tornado warning at Jun 6, 1994, 3:02 PM EDT for Juniata County, Pennsylvania. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1994, 3:02 PM EDT (19:02 UTC)
Expired
Jun 6, 1994, 4:00 PM EDT
In force
58 min
Issued by
NWS State College, PA
Area
Whole counties

County Juniata County, PA

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 7.0 hours before the alert went out and 176 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 1994-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 348 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 1994-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 square meters per square second.1939Sfc1 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
348 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
173 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHAR 061902
TORHAR
PAC067-062000-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HARRISBURG PA
302 PM EDT MON JUN 6 1994
 
THE NATIONAL WEATHER SERVICE IN HARRISBURG HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  400 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN CENTRAL PENNSYLVANIA
 
   ...JUNIATA COUNTY
 
AT 255 PM NATIONAL WEATHER SERVICE RADAR IN STATE COLLEGE INDICATED A
POSSIBLE TORNADO OVER JUNIATA COUNTY. THE STORM WAS MOVING TOWARD THE
EAST SOUTHEAST AT 30 MPH.
 
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.
 
COWDRIGHT
 
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, Jun 6, 1:40 PM EDT, 1 hour 22 minutes before
PAZ012-037-038-041-042-045-046-049>052-061840-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
140 PM EDT MON JUN 6 1994

...SEVERE THUNDERSTORM WARNING FOR CLINTON COUNTY HAS EXPIRED...

AT 135 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
STRONG THUNDERSTORMS THAT EXTENDED FROM NEAR WATSONTOWN AND LEWISBURG
THEN TO STATE COLLEGE. STRONG AND POSSIBLE SEVERE THUNDERSTORMS WERE
OVER NORTHERN UNION COUNTY.  ELSEWHERE LIGHT TO MODERATE SHOWERS
EXTENDED FROM CENTRAL BRADFORD COUNTY THROUGH EASTERN LYCOMING COUNTY.
THE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 35 MPH.

THOSE STRONG THUNDERSTORMS OVER NORTHERN UNION COUNTY WILL BE MOVING
INTO NORTHERN NORTHUMBERLAND COUNTY BY 145 PM EDT.

PERSONS IN THE PATH OF THESE THUNDERSTORMS SHOULD REMAIN ALERT FOR
THREATENING WEATHER AND TAKE SHELTER IF THREATENING WEATHER
APPROACHES.  REMEMBER THE SAFEST PLACE TO BE IN A THUNDERSTORM IS
INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

GOUGH/JOHNSON
Special weather statement, Jun 6, 1:40 PM EDT, 1 hour 22 minutes before
PAZ012-037-038-041-042-045-046-049>052-061840-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
140 PM EDT MON JUN 6 1994

...SEVERE THUNDERSTORM WARNING FOR CLINTON COUNTY HAS EXPIRED...

AT 135 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
STRONG THUNDERSTORMS THAT EXTENDED FROM NEAR WATSONTOWN AND LEWISBURG
THEN TO STATE COLLEGE. STRONG AND POSSIBLE SEVERE THUNDERSTORMS WERE
OVER NORTHERN UNION COUNTY.  ELSEWHERE LIGHT TO MODERATE SHOWERS
EXTENDED FROM CENTRAL BRADFORD COUNTY THROUGH EASTERN LYCOMING COUNTY.
THE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 35 MPH.

THOSE STRONG THUNDERSTORMS OVER NORTHERN UNION COUNTY WILL BE MOVING
INTO NORTHERN NORTHUMBERLAND COUNTY BY 145 PM EDT.

PERSONS IN THE PATH OF THESE THUNDERSTORMS SHOULD REMAIN ALERT FOR
THREATENING WEATHER AND TAKE SHELTER IF THREATENING WEATHER
APPROACHES.  REMEMBER THE SAFEST PLACE TO BE IN A THUNDERSTORM IS
INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

GOUGH/JOHNSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 12:54 PM EDTSevere Thunderstorm WarningCTPClinton36 min
Jun 6, 1:07 PM EDTSevere Thunderstorm WarningCTPUnion53 min
Jun 6, 1:24 PM EDTTornado WarningCTPUnion51 min
Jun 6, 1:34 PM EDTSevere Thunderstorm WarningCTPCentre26 min
Jun 6, 2:03 PM EDTSevere Thunderstorm WarningCTPSnyder, Union57 min
Jun 6, 2:13 PM EDTSevere Thunderstorm WarningCTPHuntingdon62 min
Jun 6, 2:52 PM EDTSevere Thunderstorm WarningCTPNorthumberland68 min
Jun 6, 2:59 PM EDTSevere Thunderstorm WarningCTPSchuylkill61 min
Jun 6, 3:08 PM EDTSevere Thunderstorm WarningCTPCumberland67 min
Jun 6, 3:15 PM EDTSevere Thunderstorm WarningCTPPerry60 min
Jun 6, 3:48 PM EDTSevere Thunderstorm WarningCTPLebanon42 min
Jun 6, 3:59 PM EDTTornado WarningCTPLebanon31 min
Jun 6, 4:07 PM EDTTornado WarningCTPBerks38 min
Jun 6, 4:32 PM EDTTornado WarningCTPBerks43 min
Jun 6, 5:20 PM EDTSevere Thunderstorm WarningCTPLancaster55 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.