Alert archive / Pennsylvania / Tornado Warnings in 2014

Tornado Warning 4, NWS State College, PA

June 11, 2014Bedford County, Pennsylvania

NWS State College, PA issued this tornado warning at Jun 11, 2014, 6:39 PM EDT for Bedford County, Pennsylvania. It was in force for 36 min. 4 reports 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, 6:39 PM EDT (22:39 UTC)
Expired: Jun 11, 2014, 7:15 PM EDT
In force: 36 min
Issued by: NWS State College, PA
Area: Storm-based polygon

County Bedford County, PA

The radar

The State College radar (KCCX), 110 km from the middle of the area, began a volume at 22:41 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

Time	Report	Where	Remark
Jun 11, 6:50 PM EDT	HAIL 1.75	Bedford, PA
Jun 11, 6:50 PM EDT	HAIL 1.75	Everett, PA
Jun 11, 6:58 PM EDT	TSTM WND DMG	1 Nw Everett, PA	NUMEROUS TREES AND POWER LINES DOWN ALONG LOWER SNAKE SPRING RD.
Jun 11, 6:58 PM EDT	TSTM WND DMG	1 Nw Everett, PA	NUMEROUS TREES AND POWER LINES DOWN ALONG LOWER SNAKE SPRING RD. POSSIBLE TORNADO

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.

Issued	Product	Office	Lasted
Jun 11, 2:59 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.7 hours before the alert went out and 144 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: 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.

876 
WFUS51 KCTP 112239
TORCTP
PAC009-112315-
/O.NEW.KCTP.TO.W.0004.140611T2239Z-140611T2315Z/

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

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

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

* UNTIL 715 PM EDT
    
* AT 637 PM EDT...DOPPLER RADAR WAS TRACKING A CONFIRMED TORNADO MID 
  WAY BETWEEN BEDFORD CITY AND CLEARVILLE...HEADED FOR 
  EVERETT...MOVING NORTHEAST AT 20 MPH.

  IN ADDITION...HAIL UP TO PING PONG BALL SIZE IS EXPECTED TO FALL 
NEAR BEDFORD AND EVERETT. 

* THIS TORNADIC STORM WILL BE NEAR...
  EVERETT AROUND 700 PM EDT.

THIS INCLUDES THE PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 147 AND
158.

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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 3991 7846 3996 7853 4006 7849 4008 7827
      3999 7829
TIME...MOT...LOC 2237Z 228DEG 17KT 3996 7845 

$$

DANGELO

1 follow-up statement

589 
WWUS51 KCTP 112252
SVSCTP

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

PAC009-112315-
/O.CON.KCTP.TO.W.0004.000000T0000Z-140611T2315Z/
BEDFORD PA-
652 PM EDT WED JUN 11 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR CENTRAL
BEDFORD COUNTY...
    
AT 650 PM EDT...DOPPLER RADAR WAS TRACKING A SEVERE THUNDERSTORM 
THAT HAS A HISTORY OF PRODUCING A TORNADO NEAR PATIENCE IN BEDFORD 
COUNTY. THIS STORM AND POSSIBLE TORNADO IS LOCATED OVER 
EVERETT...MOVING NORTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE... EVERETT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO HAS BEEN OBSERVED. 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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 3993 7843 3997 7848 4004 7843 4008 7827
      3999 7829
TIME...MOT...LOC 2250Z 228DEG 17KT 4000 7839 

$$

LA CORTE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 3:31 PM EDT	Special Weather Statement	CTP	Clearfield	44 min
Jun 11, 5:13 PM EDT	Special Weather Statement	CTP	Bedford	32 min
Jun 11, 5:34 PM EDT	Severe Thunderstorm Warning	CTP	Bedford	41 min
Jun 11, 5:42 PM EDT	Tornado Warning	CTP	Bedford	33 min
Jun 11, 6:09 PM EDT	Tornado Warning	CTP	Bedford	36 min
Jun 11, 6:42 PM EDT	Severe Thunderstorm Warning	CTP	Somerset	63 min
Jun 11, 7:07 PM EDT	Tornado Warning	CTP	Bedford	23 min
Jun 11, 7:20 PM EDT	Special Weather Statement	CTP	Bedford	25 min
Jun 11, 7:22 PM EDT	Special Weather Statement	CTP	Fulton	38 min
Jun 11, 7:22 PM EDT	Tornado Warning	CTP	Bedford	23 min
Jun 11, 7:34 PM EDT	Areal Flood Warning	CTP	Bedford, Blair, Cambria, Somerset	3 hr
Jun 11, 7:35 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Clearfield, Elk, Somerset	55 min
Jun 11, 7:37 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Fulton	38 min
Jun 11, 7:44 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton, Huntingdon, Mifflin	61 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.