Alert archive / Pennsylvania / Tornado Warnings in 2011

Tornado Warning 25, NWS State College, PA

May 27, 2011Bedford County, Pennsylvania

NWS State College, PA issued this tornado warning at May 27, 2011, 5:44 PM EDT for Bedford County, Pennsylvania. It was in force for 46 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: May 27, 2011, 5:44 PM EDT (21:44 UTC)
Expired: May 27, 2011, 6:30 PM EDT
In force: 46 min
Issued by: NWS State College, PA
Area: Storm-based polygon

County Bedford County, PA

The radar

The Sterling radar (KLWX), 122 km from the middle of the area, began a volume at 21:47 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
May 27, 5:55 PM EDT	TSTM WND DMG	3 N Inglesmith, PA	TREES DOWN ALONG RTE 26

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
May 27, 12:57 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.7 hours before the alert went out and 130 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: 159 J/kg
Mixed-layer CIN: -243 J/kg
Mixed-layer LCL: 1202 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 113 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.

197 
WFUS51 KCTP 272144
TORCTP
PAC009-272230-
/O.NEW.KCTP.TO.W.0025.110527T2144Z-110527T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
544 PM EDT FRI MAY 27 2011

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

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

* UNTIL 630 PM EDT

* AT 543 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM
  CONTAINING THE POSSIBLE TORNADO WAS NEAR FLINTSTONE...MOVING
  NORTHEAST AT 30 MPH.

* THE TORNADO WILL BE NEAR...
  INGLESMITH AROUND 600 PM EDT...
  BARNES GAP AROUND 610 PM EDT...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

TAKE COVER INSIDE NOW. DO NOT WAIT TO SEE OR HEAR THE TORNADO. MOVE
TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF A STURDY BUILDING. PUT AS
MANY WALLS BETWEEN YOU AND THE OUTSIDE AS YOU CAN. AVOID WINDOWS.
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3972 7861 3973 7861 3975 7858 3988 7840
      3983 7830 3976 7834 3972 7838
TIME...MOT...LOC 2144Z 228DEG 27KT 3969 7857

$$

FORECASTER: LAMBERT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 8:01 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland, Sullivan	59 min
May 26, 8:27 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lebanon, Schuylkill	44 min
May 26, 8:29 PM EDT	Special Weather Statement	CTP	Lancaster	46 min
May 26, 10:33 PM EDT	Special Weather Statement	CTP	Bedford	27 min
May 26, 10:59 PM EDT	Areal Flood Advisory	CTP	Bedford, Blair, Cambria, Somerset	3 hr
May 26, 11:24 PM EDT	Special Weather Statement	CTP	Fulton, Huntingdon	36 min
May 27, 12:31 AM EDT	Special Weather Statement	CTP	Cumberland, Perry	59 min
May 27, 12:41 AM EDT	Special Weather Statement	CTP	Sullivan	49 min
May 27, 1:14 AM EDT	Special Weather Statement	CTP	Columbia, Dauphin, Lebanon, Montour, Northumberland, Schuylkill and 2 more	61 min
May 27, 1:21 AM EDT	Special Weather Statement	CTP	Cumberland, Franklin	54 min
May 27, 2:02 AM EDT	Special Weather Statement	CTP	Cumberland, Dauphin	58 min
May 27, 2:48 AM EDT	Special Weather Statement	CTP	Lebanon	57 min
May 27, 2:17 PM EDT	Special Weather Statement	CTP	Somerset	28 min
May 27, 2:50 PM EDT	Areal Flood Advisory	CTP	Bedford, Cambria, Somerset	3 hr
May 27, 3:10 PM EDT	Special Weather Statement	CTP	Bedford	95 min
May 27, 3:19 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Somerset	67 min
May 27, 3:44 PM EDT	Special Weather Statement	CTP	Cameron	76 min
May 27, 3:51 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Huntingdon, Somerset	54 min
May 27, 3:59 PM EDT	Special Weather Statement	CTP	Juniata, Perry	46 min
May 27, 4:01 PM EDT	Special Weather Statement	CTP	Columbia	29 min
May 27, 4:14 PM EDT	Severe Thunderstorm Warning	CTP	Clinton, Potter	46 min
May 27, 4:46 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Huntingdon, Mifflin	59 min
May 27, 5:01 PM EDT	Severe Thunderstorm Warning	CTP	Clinton, Lycoming, Potter, Tioga	44 min
May 27, 5:05 PM EDT	Special Weather Statement	CTP	Union	25 min
May 27, 5:07 PM EDT	Flash Flood Warning	CTP	Bedford, Blair, Cambria, Huntingdon, Somerset	3 hr
May 27, 5:26 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton, Lycoming, Mifflin, Snyder, Union	49 min
May 27, 5:27 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton, Huntingdon	63 min
May 27, 5:36 PM EDT	Severe Thunderstorm Warning	CTP	Bedford	69 min
May 27, 5:46 PM EDT	Tornado Warning	CTP	Bedford, Fulton, Huntingdon	59 min
May 27, 5:47 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Huntingdon, Juniata, Mifflin	58 min
May 27, 5:50 PM EDT	Special Weather Statement	CTP	Tioga	55 min
May 27, 5:52 PM EDT	Special Weather Statement	CTP	Lycoming	23 min
May 27, 5:53 PM EDT	Special Weather Statement	CTP	Sullivan	52 min
May 27, 5:56 PM EDT	Severe Thunderstorm Warning	CTP	Tioga	64 min
May 27, 5:59 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Sullivan	61 min
May 27, 6:01 PM EDT	Tornado Warning	CTP	Tioga	59 min
May 27, 6:06 PM EDT	Special Weather Statement	CTP	Adams	54 min
May 27, 6:15 PM EDT	Tornado Warning	CTP	Bedford, Fulton	45 min
May 27, 6:16 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton, Lycoming, Mifflin, Snyder, Tioga and 1 more	59 min
May 27, 6:26 PM EDT	Special Weather Statement	CTP	York	49 min
May 27, 6:40 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Cumberland, Franklin, Fulton, Huntingdon, Juniata and 2 more	65 min
May 27, 6:49 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Dauphin, Franklin, Perry, York	71 min
May 27, 7:00 PM EDT	Severe Thunderstorm Warning	CTP	Tioga	45 min
May 27, 7:05 PM EDT	Special Weather Statement	CTP	Dauphin	70 min
May 27, 7:29 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon, York	46 min
May 27, 7:39 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Juniata, Mifflin, Northumberland, Perry, Snyder and 1 more	81 min
May 27, 7:42 PM EDT	Areal Flood Advisory	CTP	Tioga	3 hr

Nearby

Tornado Warnings in Pennsylvania, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.