Alert archive / Pennsylvania / Tornado Warnings in 2015

Tornado Warning 7, NWS State College, PA

June 14, 2015Lycoming County, Pennsylvania

NWS State College, PA issued this tornado warning at Jun 14, 2015, 5:24 PM EDT for Lycoming County, Pennsylvania. It was in force for 36 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 14, 2015, 5:24 PM EDT (21:24 UTC)
Expired
Jun 14, 2015, 6:00 PM EDT
In force
36 min
Issued by
NWS State College, PA
Area
Storm-based polygon

County Lycoming County, PA

The radar

The State College radar (KCCX), 105 km from the middle of the area, began a volume at 21:27 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 nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.4 hours before the alert went out and 239 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 12:00Z on 2015-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Buffalo Intl Airport, NY at 12:00Z on 2015-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
74 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.

480 
WFUS51 KCTP 142124
TORCTP
PAC081-142200-
/O.NEW.KCTP.TO.W.0007.150614T2124Z-150614T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
524 PM EDT SUN JUN 14 2015

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL LYCOMING COUNTY IN NORTH CENTRAL PENNSYLVANIA...

* UNTIL 600 PM EDT
    
* AT 523 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  OVER COGAN STATION...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MONTOURSVILLE...WILLIAMSPORT...COGAN STATION...HUGHESVILLE...
  LOYALSOCKVILLE...MUNCY...GARDEN VIEW...PICTURE ROCKS...SOUTH
  WILLIAMSPORT...LITTLE LEAGUE WORLD SERIES COMPLEX AND WILLIAMSPORT
  AIRPORT.

THIS INCLUDES INTERSTATE 180 FROM MILE MARKERS 9 TO 26.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4133 7664 4117 7672 4117 7683 4130 7713
      4138 7707
TIME...MOT...LOC 2123Z 287DEG 21KT 4132 7706 

$$

WATSON
1 follow-up statement
244 
WWUS51 KCTP 142146
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
546 PM EDT SUN JUN 14 2015

PAC081-142200-
/O.CON.KCTP.TO.W.0007.000000T0000Z-150614T2200Z/
LYCOMING PA-
546 PM EDT SUN JUN 14 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR
SOUTHEASTERN LYCOMING COUNTY...
    
AT 545 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
MONTOURSVILLE...MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
MONTOURSVILLE...HUGHESVILLE...LOYALSOCKVILLE...MUNCY...PICTURE ROCKS
AND WILLIAMSPORT AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4117 7673 4119 7682 4126 7695 4133 7692
      4130 7665 4117 7672
TIME...MOT...LOC 2145Z 287DEG 21KT 4128 7689 

$$

WATSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 11:46 AM EDTSpecial Weather StatementCTPSomerset44 min
Jun 14, 1:56 PM EDTSpecial Weather StatementCTPFranklin, Fulton34 min
Jun 14, 2:48 PM EDTAreal Flood AdvisoryCTPMcKean, Warren3 hr
Jun 14, 2:51 PM EDTFlash Flood WatchCTPCambria, Cameron, Clearfield, Elk, Lycoming, McKean and 5 more14 hr
Jun 14, 4:31 PM EDTSpecial Weather StatementCTPCentre, Huntingdon, Juniata, Mifflin, Perry, Snyder and 1 more59 min
Jun 14, 5:16 PM EDTSpecial Weather StatementCTPMontour, Northumberland, Snyder, Union74 min
Jun 14, 5:40 PM EDTSevere Thunderstorm WarningCTPDauphin, Lancaster, Lebanon50 min
Jun 14, 6:11 PM EDTSevere Thunderstorm WarningCTPColumbia, Montour, Northumberland, Schuylkill49 min
Jun 14, 6:13 PM EDTSpecial Weather StatementCTPLancaster47 min
Jun 14, 6:21 PM EDTSevere Thunderstorm WarningCTPDauphin, Lebanon, Schuylkill54 min
Jun 14, 6:50 PM EDTAreal Flood AdvisoryCTPLancaster3 hr
Jun 14, 7:35 PM EDTSpecial Weather StatementCTPWarren55 min
Jun 14, 7:49 PM EDTSpecial Weather StatementCTPLancaster26 min

Nearby

Tornado Warnings in Pennsylvania, 2015Every tornado warning in 2015Tornadoes in 2015

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.