Alert archive / Pennsylvania / Tornado Warnings in 2014

Tornado Warning 6, NWS State College, PA

June 11, 2014Bedford County, Pennsylvania

NWS State College, PA issued this tornado warning at Jun 11, 2014, 7:22 PM EDT for Bedford County, Pennsylvania. It was in force for 23 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 11, 2014, 7:22 PM EDT (23:22 UTC)
Expired
Jun 11, 2014, 7:45 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), 90 km from the middle of the area, began a volume at 23:21 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.

What was reported inside it

TimeReportWhereRemark
Jun 11, 7:30 PM EDTTSTM WND DMGHopewell, PALARGE TREE ON HOUSE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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, 11.4 hours before the alert went out and 153 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°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.

638 
WFUS51 KCTP 112322
TORCTP
PAC009-112345-
/O.NEW.KCTP.TO.W.0006.140611T2322Z-140611T2345Z/

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

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

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

* UNTIL 745 PM EDT
    
* AT 720 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM THAT 
  HAS A HISTORY OF PRODUCING A TORNADO NEAR EVERETT IN BEDFORD 
  COUNTY...AND IT IS MOVING NORTHEAST AT 20 MPH. 

* LOCATIONS IMPACTED INCLUDE...
  SAXTON...DEFIANCE AND HOPEWELL. 

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 4009 7838 4024 7832 4020 7819 4018 7816
      4006 7827
TIME...MOT...LOC 2320Z 200DEG 16KT 4010 7829 

$$

LA CORTE
1 follow-up statement
945 
WWUS51 KCTP 112337
SVSCTP

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

PAC009-112345-
/O.CON.KCTP.TO.W.0006.000000T0000Z-140611T2345Z/
BEDFORD PA-
737 PM EDT WED JUN 11 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR
NORTHEASTERN BEDFORD COUNTY...

AT 736 PM EDT...DOPPLER RADAR WAS TRACKING A SEVERE THUNDERSTORM 
THAT HAS A HISTORY OF PRODUCING A TORNADO. THIS TORNADIC STORM WAS 
LOCATED NEAR DUDLEY...MOVING NORTH AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
SAXTON...DEFIANCE AND HOPEWELL. 

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 4009 7825 4012 7837 4024 7832 4020 7819
      4018 7816
TIME...MOT...LOC 2336Z 200DEG 16KT 4017 7826 

$$

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, 7:07 PM EDTTornado WarningCTPBedford23 min
Jun 11, 7:20 PM EDTSpecial Weather StatementCTPBedford25 min
Jun 11, 7:22 PM EDTSpecial Weather StatementCTPFulton38 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.