Alert archive / Pennsylvania / Tornado Warnings in 1994

Tornado Warning 17, NWS State College, PA

September 26, 1994Cameron County, Pennsylvania

NWS State College, PA issued this tornado warning at Sep 26, 1994, 8:49 PM EDT for Cameron County, Pennsylvania. It was in force for 56 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 26, 1994, 8:49 PM EDT (00:49 UTC)
Expired
Sep 26, 1994, 9:45 PM EDT
In force
56 min
Issued by
NWS State College, PA
Area
Whole counties

County Cameron County, PA

What was reported inside it

TimeReportWhereRemark
Sep 26, 9:20 PM EDTTornado F1Emporium, PAA tornado touched down in the Elk State Forest. Many trees were downed. At Prospect Park, golf ball-size hail was observed. A storm survey was conducted by the National Weather Service and the Pennsylvania Bureau of Forestry. Due to the rugged terrain, path

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

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 0.8 hours before the alert went out and 171 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, Buffalo Intl Airport, NY at 00:00Z on 1994-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 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, Buffalo Intl Airport, NY at 00:00Z on 1994-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.1939587897Sfc1 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
43 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
860 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
123 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 KCTP 270049
TORCTP
PAC023-270145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
849 PM EDT MON SEP 26 1994
 
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  945 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN  PENNSYLVANIA
 
   ...CAMERON COUNTY
 
AT 845 PM DOPPLER RADAR INDICATED A TORNADO NEAR DENTS RUN IN EXTREME
EASTERN ELK COUNTY. THE TORNADO WILL PASS NEAR THE TOWNS OF
STERLING RUN AND CAMERON IN THE NEXT HALF HOUR.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
 
 B
WINTHER

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, Sep 26, 4:01 PM EDT, 4 hours 48 minutes before
PAZ012-018>019-025>028-034>037-041-042-045-046-049>053-
056>059-063>066-262100-

SPECIAL WEATHER STATEMENT -
NATIONAL WEATHER SERVICE STATE COLLEGE PA
401 PM EDT MON SEP 26 1994

...FLASH FLOOD WATCH THROUGH TUESDAY MORNING FOR LANCASTER...LEBANON
AND SCHUYKILL COUNTIES...
...A FLOOD WARNING FOR SMALL STREAMS AND POOR DRAINAGE AREAS IS IN
EFFECT FOR COLUMBIA COUNTY....

AT 355 PM THE STATE COLLEGE WEATHER SERVICE DOPPLER RADAR WAS
INDICATING SEVERAL BANDS OF SHOWERS AND THUNDERSTORMS EXTENDING
NORTH-SOUTH ACROSS CENTRAL AND EASTERN PENNSYLVANIA. ONE LINE OF
THUNDERSTORMS EXTENDED FROM MILLERSBURG...SOUTH TO CAMP HILL THEN
FURTHER SOUTH TO NEAR GETTYSBURG. ANOTHER BAND OF SHOWERS AND
THUNDERSTORMS EXTENDED FROM BATH...NEW YORK SOUTH THROUGH THE STATE
COLLEGE AREA AND THEN SOUTH TO THE LARUEL HIGHLANDS

THESE SHOWERS AND THUNDERSTORMS ARE MOVING NORTH AT 30 MPH.

IF YOU ARE IN A FLOOD PRONE AREA...YOU SHOULD MONITOR WATER LEVELS
AND BE PREPARED TO MOVE TO HIGHER GROUND...SHOULD FLOOD WATERS
THREATEN.

SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WIND...DEADLY
LIGHTNING AND VERY HEAVY RAIN CAPABLE OF FLOODING LOW LYING AND POOR
DRAINAGE AREAS.
Special weather statement, Sep 26, 6:08 PM EDT, 2 hours 41 minutes before
PAZ006-036-037-041-042-046-049>053-056>059-063>066-262310-

SPECIAL WEATHER STATEMENT -
NATIONAL WEATHER SERVICE STATE COLLEGE PA
608 PM EDT MON SEP 26 1994

...THE FLOOD WATCH FOR THE SUSQUEHANNA VALLEY HAS BEEN UPDATED TO
INCLUDE THE COUNTIES OF TIOGA...SULLIVAN...LYCOMING AND SOUTHERN
CLINTON...
...A FLOOD WARNING IS IN EFFECT FOR COLUMBIA COUNTY TIL 645 PM...
...A FLOOD WARNING IS ALSO IN EFFECT FOR NORTHERN DAUPHIN COUNTY TIL
8 PM...

THE NATIONAL WEATHER SERVICE HAS UPDATED THE FLOOD WATCH TO INCLUDE
MUCH OF THE MIDDLE AND UPPER SUSQUEHANNA VALLEY.

AT 605 PM STATE COLLEGE DOPPLER RADAR WAS INDICATING SEVERAL BANDS OF
SHOWERS AND THUNDERSTORMS OVER MUCH OF THE SUSQUEHANNA VALLEY. THE
STRONGEST THUNDERSTORMS EXTENDED FROM THE WELLSBORO AREA SOUTH TO
WILLIAMSPORT THEN FURTHER SOUTH TO WILLIAMSBURG AND GETTYSBURG. THIS
AREA OF SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER THE SUSQUEHANNA
VALLEY PRODUCING LOCALLY HEAVY DOWNPOURS FOR THE NEXT HOUR.

IF YOU ARE IN A FLOOD PRONE AREA...YOU SHOULD MONITOR WATER LEVELS
AND BE PREPARED TO MOVE TO HIGHER GROUND...SHOULD FLOOD WATERS
THREATEN.

WINTHER
Special weather statement, Sep 26, 6:30 PM EDT, 2 hours 19 minutes before
PAZ004-005-010>012-017>019-024>028-033>036-270035-

SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST
NATIONAL WEATHER SERVICE STATE COLLEGE PA
630 PM EDT MON SEP 26 1994

...THUNDERSTORMS CONTINUE OVER THE NORTHERN MOUNTAINS...

AT 1025 PM EDT... DOPPLER RADAR FROM STATE COLLEGE SHOWED SCATTERED
THUNDERSTORMS OVER WARREN... MCKEAN... AND ELK COUNTIES. THE
THUNDERSTORMS WERE MOVING NORTH AT 30 MPH AND WILL CONTINUE TO AFFECT
THE NORTHERN MOUNTAINS FOR THE NEXT 1 TO 2 HOURS. THE STORMS WILL EXIT
ELK COUNTY BEFORE MIDNIGHT.

ACROSS THE REMAINDER OF CENTRAL PENNSYLVANIA... IT WILL REMAIN DRY FOR
THE NEXT COUPLE HOURS.

SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WIND...DEADLY
LIGHTNING AND VERY HEAVY RAIN CAPABLE OF FLOODING LOW LYING AND POOR
DRAINAGE AREAS.

NICOSIA

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 26, 8:01 PM EDTTornado WarningCTPClearfield, Elk59 min
Sep 26, 9:10 PM EDTFlash Flood WarningCTPColumbia, Lycoming, Sullivan4 hr
Sep 26, 9:10 PM EDTFlash Flood WarningCTPMontour, Northumberland4 hr
Sep 26, 9:10 PM EDTFlash Flood WarningCTPUnion4 hr
Sep 26, 9:18 PM EDTTornado WarningCTPMcKean, Potter57 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.