Alert archive / Pennsylvania / Tornado Warnings in 2014

Tornado Warning 13, NWS State College, PA

July 27, 2014Huntingdon County, Pennsylvania

NWS State College, PA issued this tornado warning at Jul 27, 2014, 5:33 PM EDT for Huntingdon County, Pennsylvania. It was in force for 11 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: Jul 27, 2014, 5:33 PM EDT (21:33 UTC)
Expired: Jul 27, 2014, 5:44 PM EDT
In force: 11 min
Issued by: NWS State College, PA
Area: Storm-based polygon

County Huntingdon County, PA

The radar

The State College radar (KCCX), 53 km from the middle of the area, began a volume at 21:36 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

Pittsburgh, PA (KPIT), launched 12:00Z, 9.6 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 787 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 530 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

951 
WFUS51 KCTP 272133
TORCTP
PAC061-272200-
/O.NEW.KCTP.TO.W.0013.140727T2133Z-140727T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
533 PM EDT SUN JUL 27 2014

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL HUNTINGDON COUNTY IN CENTRAL PENNSYLVANIA...

* UNTIL 600 PM EDT
    
* AT 533 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  NEAR RAYSTOWN DAM...AND MOVING NORTH AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MCCONNELLSTOWN.

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 4042 7808 4043 7810 4049 7809 4047 7803
TIME...MOT...LOC 2133Z 201DEG 5KT 4044 7808 

$$

DEVOIR

1 follow-up statement

097 
WWUS51 KCTP 272144
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
544 PM EDT SUN JUL 27 2014

PAC061-272154-
/O.CAN.KCTP.TO.W.0013.000000T0000Z-140727T2200Z/
HUNTINGDON PA-
544 PM EDT SUN JUL 27 2014

...THE TORNADO WARNING FOR CENTRAL HUNTINGDON COUNTY IS CANCELLED...
    
THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING 
HAS BEEN CANCELLED. HOWEVER...DAMAGING WINDS AND VERY HEAVY RAINFALL 
REMAIN LIKELY AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT 
FOR THE AREA. 

LAT...LON 4042 7808 4043 7810 4049 7809 4047 7803
TIME...MOT...LOC 2141Z 201DEG 5KT 4045 7807 

$$

DEVOIR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 5:04 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Perry	41 min
Jul 27, 5:09 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Huntingdon	51 min
Jul 27, 5:21 PM EDT	Flash Flood Warning	CTP	Cumberland, Perry	3 hr
Jul 27, 5:43 PM EDT	Special Weather Statement	CTP	Franklin	47 min
Jul 27, 5:47 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Perry	58 min
Jul 27, 6:27 PM EDT	Special Weather Statement	CTP	Blair, Cambria, Clearfield	48 min
Jul 27, 6:39 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, York	51 min
Jul 27, 6:41 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Huntingdon	32 min
Jul 27, 6:45 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Huntingdon	45 min
Jul 27, 7:00 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Huntingdon, Juniata, Perry	45 min
Jul 27, 7:07 PM EDT	Areal Flood Advisory	CTP	Dauphin, Lebanon, York	3 hr
Jul 27, 7:11 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Huntingdon	49 min
Jul 27, 7:21 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lancaster, Lebanon, York	69 min
Jul 27, 7:26 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Huntingdon, Mifflin, Snyder	49 min
Jul 27, 7:43 PM EDT	Special Weather Statement	CTP	Lancaster	32 min
Jul 27, 7:50 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Perry, York	55 min
Jul 27, 7:51 PM EDT	Areal Flood Advisory	CTP	Centre	3 hr
Jul 27, 7:56 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	79 min

Nearby

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