Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 37, NWS State College, PA

June 12, 1994Bradford County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 12, 1994, 3:00 PM EDT for Bradford County, Pennsylvania. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1994, 3:00 PM EDT (19:00 UTC)
Expired
Jun 12, 1994, 3:45 PM EDT
In force
45 min
Issued by
NWS State College, PA
Area
Whole counties

County Bradford County, PA

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 7.0 hours before the alert went out and 243 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, Albany, NY at 12:00Z on 1994-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 79 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, Albany, NY at 12:00Z on 1994-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 191 square meters per square second.19395878Sfc1 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
79 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
191 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 12, 2:40 PM EDT, 20 minutes before
PAZ036-056-057-059-063>066-122100-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HARRISBURG PA
240 PM EDT SUN JUN 12 1994

...STRONG THUNDERSTORM OVER NORTHERN FRANKLIN COUNTY...

AT 230 PM HARRISBURG RADAR SHOWED A THUNDERSTORM WITH VERY HEAVY RAIN OVER
NORTHERN FRANKLIN COUNTY.  THIS STORM WAS MOVING TOWARD THE EAST AT 30 MILES
AN HOUR AND WILL BE ENTERING CUMBERLAND COUNTY BY 245 PM.

IN ADDITION TO VERY HEAVY DOWNPOURS...GUSTY WINDS AND LIGHTNING ARE LIKELY
AS THIS STORM MOVES OVERHEAD.

MATUSIEWICZ
Special weather statement, Jun 12, 2:40 PM EDT, 20 minutes before
PAZ012-037-038-041-042-045-046-049>052-121930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
240 PM EDT SUN JUN 12 1994

...A LINE OF SHOWERS AND THUNDERSTORM MOVING THROUGH PORTIONS OF
NORTHCENTRAL PENNSYLVANIA...

AT 235 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SHOWERS AND THUNDERSTORMS EXTENDING FROM ELMIRA NEW YORK TO WELLSBORO
TO CAMMAL THEN TO BELLEFONTE.  THE STRONGEST THUNDERSTORMS WERE
SOUTHEAST OF LAWRENCEVILLE IN NORTHEAST TIOGA COUNTY...SOUTH OF CAMMAL
IN LYCOMING COUNTY AND NORTHEAST OF BELLEFONTE.  THESE SHOWERS AND
THUNDERSTORMS WERE MOVING EAST-NORTHEAST AT AROUND 30 MPH AND WILL BE
MOVING THROUGH PARTS OF CLINTON...TIOGA...LYCOMING AND BRADFORD
COUNTIES THROUGH 330 PM EDT.

IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS...BE PREPARED FOR HEAVY
RAIN...GUSTY WINDS...POSSIBLE SMALL HAIL AND FREQUENT DANGEROUS
LIGHTNING.  IF THUNDERSTORMS APPROACH YOUR LOCATION...SEEK SHELTER
INDOORS AND STAY AWAY FROM WINDOWS.  REMEMBER...LIGHTNING CAN KILL.
DO NOT USE ELECTRICAL APPLIANCES OR THE TELEPHONE WHEN A THUNDERSTORM
IS NEAR.

GINGRICH
Special weather statement, Jun 12, 2:40 PM EDT, 20 minutes before
PAZ012-037-038-041-042-045-046-049>052-121930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
240 PM EDT SUN JUN 12 1994

...A LINE OF SHOWERS AND THUNDERSTORM MOVING THROUGH PORTIONS OF
NORTHCENTRAL PENNSYLVANIA...

AT 235 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SHOWERS AND THUNDERSTORMS EXTENDING FROM ELMIRA NEW YORK TO WELLSBORO
TO CAMMAL THEN TO BELLEFONTE.  THE STRONGEST THUNDERSTORMS WERE
SOUTHEAST OF LAWRENCEVILLE IN NORTHEAST TIOGA COUNTY...SOUTH OF CAMMAL
IN LYCOMING COUNTY AND NORTHEAST OF BELLEFONTE.  THESE SHOWERS AND
THUNDERSTORMS WERE MOVING EAST-NORTHEAST AT AROUND 30 MPH AND WILL BE
MOVING THROUGH PARTS OF CLINTON...TIOGA...LYCOMING AND BRADFORD
COUNTIES THROUGH 330 PM EDT.

IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS...BE PREPARED FOR HEAVY
RAIN...GUSTY WINDS...POSSIBLE SMALL HAIL AND FREQUENT DANGEROUS
LIGHTNING.  IF THUNDERSTORMS APPROACH YOUR LOCATION...SEEK SHELTER
INDOORS AND STAY AWAY FROM WINDOWS.  REMEMBER...LIGHTNING CAN KILL.
DO NOT USE ELECTRICAL APPLIANCES OR THE TELEPHONE WHEN A THUNDERSTORM
IS NEAR.

GINGRICH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 3:50 PM EDTSevere Thunderstorm WarningCTPNorthumberland, Union25 min
Jun 12, 3:50 PM EDTSevere Thunderstorm WarningCTPMontour25 min
Jun 12, 3:56 PM EDTSevere Thunderstorm WarningCTPBradford49 min
Jun 12, 4:07 PM EDTSevere Thunderstorm WarningCTPSullivan58 min
Jun 12, 4:07 PM EDTSevere Thunderstorm WarningCTPLycoming38 min
Jun 12, 4:11 PM EDTSevere Thunderstorm WarningCTPMontour34 min
Jun 12, 5:21 PM EDTSevere Thunderstorm WarningCTPLancaster69 min
Jun 12, 5:59 PM EDTSevere Thunderstorm WarningCTPCarbon, Schuylkill46 min
Jun 12, 6:26 PM EDTSevere Thunderstorm WarningCTPYork34 min
Jun 12, 7:39 PM EDTSevere Thunderstorm WarningCTPNorthampton27 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1994Every severe thunderstorm warning 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.