Alert archive / Pennsylvania / Tornado Warnings in 2014

Tornado Warning 5, NWS State College, PA

June 11, 2014Bedford County, Pennsylvania

NWS State College, PA issued this tornado warning at Jun 11, 2014, 7:07 PM EDT for Bedford County, Pennsylvania. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 11, 2014, 7:07 PM EDT (23:07 UTC)
Expired
Jun 11, 2014, 7:30 PM EDT
In force
23 min
Issued by
NWS State College, PA
Area
Storm-based polygon

County Bedford County, PA

The radar

The State College radar (KCCX), 102 km from the middle of the area, began a volume at 23:08 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 11, 2:59 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.1 hours before the alert went out and 146 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 2014-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 313 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, Washington/Dulle, VA at 12:00Z on 2014-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
313 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
709 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

005 
WFUS51 KCTP 112307
TORCTP
PAC009-112330-
/O.NEW.KCTP.TO.W.0005.140611T2307Z-140611T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
707 PM EDT WED JUN 11 2014

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL BEDFORD COUNTY IN SOUTH CENTRAL PENNSYLVANIA...

* UNTIL 730 PM EDT
    
* AT 706 PM EDT...THE PUBLIC REPORTED A TORNADO NEAR EVERETT. DOPPLER
  RADAR SHOWED THIS TORNADO MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EVERETT.

* PUBLIC REPORTED NUMEROUS TREES DOWN ON LOWER SNAKE SPRING ROAD IN 
  EVERETT.

THIS INCLUDES THE PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 153 AND
156.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO HAS BEEN SIGHTED. TAKE COVER NOW. MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE HOME OR OUTDOORS...
MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM
FLYING DEBRIS.

&&

LAT...LON 3998 7837 4004 7845 4015 7833 4006 7820
TIME...MOT...LOC 2306Z 225DEG 16KT 4005 7834 

$$

LA CORTE
1 follow-up statement
055 
WWUS51 KCTP 112317
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
717 PM EDT WED JUN 11 2014

PAC009-112330-
/O.CON.KCTP.TO.W.0005.000000T0000Z-140611T2330Z/
BEDFORD PA-
717 PM EDT WED JUN 11 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR EAST
CENTRAL BEDFORD COUNTY...

AT 715 PM EDT...DOPPLER RADAR WAS TRACKING A SEVERE THUNDERSTORM 
THAT HAS A HISTORY OF PRODUCING A TORNADO NEAR EVERETT...MOVING 
NORTHEAST AT 20 MPH. THIS TORNADIC STORM HAS PRODUCED DAMAGE IN 
AND AROUND EVERETT...AND IS MOVING NORTHEAST AT 20 MPH.

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
EAST CENTRAL BEDFORD COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO HAS BEEN SIGHTED. TO PROTECT YOUR LIFE...TAKE
COVER NOW. MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR
OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4001 7831 4007 7840 4015 7833 4006 7820
TIME...MOT...LOC 2315Z 225DEG 16KT 4008 7830 

$$

LA CORTE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 3:31 PM EDTSpecial Weather StatementCTPClearfield44 min
Jun 11, 5:13 PM EDTSpecial Weather StatementCTPBedford32 min
Jun 11, 5:34 PM EDTSevere Thunderstorm WarningCTPBedford41 min
Jun 11, 5:42 PM EDTTornado WarningCTPBedford33 min
Jun 11, 6:09 PM EDTTornado WarningCTPBedford36 min
Jun 11, 6:39 PM EDTTornado WarningCTPBedford36 min
Jun 11, 6:42 PM EDTSevere Thunderstorm WarningCTPSomerset63 min
Jun 11, 7:20 PM EDTSpecial Weather StatementCTPBedford25 min
Jun 11, 7:22 PM EDTSpecial Weather StatementCTPFulton38 min
Jun 11, 7:22 PM EDTTornado WarningCTPBedford23 min
Jun 11, 7:34 PM EDTAreal Flood WarningCTPBedford, Blair, Cambria, Somerset3 hr
Jun 11, 7:35 PM EDTSevere Thunderstorm WarningCTPBedford, Blair, Cambria, Clearfield, Elk, Somerset55 min
Jun 11, 7:37 PM EDTSevere Thunderstorm WarningCTPFranklin, Fulton38 min
Jun 11, 7:44 PM EDTSevere Thunderstorm WarningCTPBedford, Fulton, Huntingdon, Mifflin61 min

Nearby

Tornado Warnings in Pennsylvania, 2014Every tornado warning in 2014Tornadoes in 2014

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.