Alert archive / Pennsylvania / Tornado Warnings in 2013

Tornado Warning 4, NWS State College, PA

June 27, 2013Centre County, Clinton County, Pennsylvania

NWS State College, PA issued this tornado warning at Jun 27, 2013, 5:50 PM EDT for Centre County, Clinton County, Pennsylvania. It was in force for 25 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 27, 2013, 5:50 PM EDT (21:50 UTC)
Expired: Jun 27, 2013, 6:15 PM EDT
In force: 25 min
Issued by: NWS State College, PA
Area: Storm-based polygon

Counties Centre County, PA, Clinton County, PA

The radar

The State College radar (KCCX), 42 km from the middle of the area, began a volume at 21:50 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, 9.8 hours before the alert went out and 213 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: 542 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 829 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

310 
WFUS51 KCTP 272150
TORCTP
PAC027-035-272215-
/O.NEW.KCTP.TO.W.0004.130627T2150Z-130627T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
550 PM EDT THU JUN 27 2013

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL CENTRE COUNTY PENNSYLVANIA...
  CENTRAL CLINTON COUNTY PENNSYLVANIA...

* UNTIL 615 PM EDT

* AT 546 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM
  CONTAINING THE POSSIBLE TORNADO  WAS NEAR BEECH CREEK...MOVING
  NORTH AT 15 MPH.

* LOCATIONS INCLUDED IN THE WARNING...
  LOCK HAVEN...GLEN UNION...MACKEYVILLE AND MILL HALL.

OTHER NOTABLE LOCATIONS IN THE WARNING... LOCK HAVEN UNIVERSITY.

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.

THIS WILL IMPACT I-80 BETWEEN MILE MARKERS 168 AND 179.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 220...STATE
ROAD 120.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

PLEASE REPORT FUNNEL CLOUDS...STRONG WINDS OR WIND DAMAGE TO THE
NATIONAL WEATHER SERVICE IN STATE COLLEGE THROUGH TWITTER OR
FACEBOOK.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING
FOR SOUTH CENTRAL PENNSYLVANIA.

&&

LAT...LON 4126 7780 4134 7753 4106 7741 4099 7763
TIME...MOT...LOC 2151Z 158DEG 14KT 4111 7756

$$

FORECASTER: JUNG/GRUMM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 8:17 PM EDT	Special Weather Statement	CTP	Lancaster	28 min
Jun 27, 9:45 AM EDT	Flash Flood Watch	CTP	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 18 more	12 hr
Jun 27, 10:10 AM EDT	Areal Flood Advisory	CTP	Clearfield	3 hr
Jun 27, 10:59 AM EDT	Flash Flood Warning Emergency	CTP	Clearfield	9 hr
Jun 27, 11:34 AM EDT	Areal Flood Advisory	CTP	Clearfield	3 hr
Jun 27, 12:27 PM EDT	Areal Flood Advisory	CTP	Elk	3 hr
Jun 27, 12:44 PM EDT	Flash Flood Warning	CTP	Clearfield, Elk	7 hr
Jun 27, 12:57 PM EDT	Areal Flood Advisory	CTP	Bedford, Blair, Fulton, Huntingdon	3 hr
Jun 27, 1:05 PM EDT	Special Weather Statement	CTP	Huntingdon	40 min
Jun 27, 1:23 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Franklin, Fulton, Huntingdon, Juniata, Perry	67 min
Jun 27, 1:57 PM EDT	Areal Flood Advisory	CTP	Blair, Cambria, Clearfield, Huntingdon, Juniata, Mifflin and 1 more	3 hr
Jun 27, 2:01 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Fulton	59 min
Jun 27, 2:15 PM EDT	Tornado Warning	CTP	Juniata, Perry	45 min
Jun 27, 2:57 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Franklin, Juniata, Perry	78 min
Jun 27, 3:21 PM EDT	Areal Flood Advisory	CTP	Clearfield	3 hr
Jun 27, 3:22 PM EDT	Special Weather Statement	CTP	Snyder	38 min
Jun 27, 3:28 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Northumberland, Perry, Snyder, Union	77 min
Jun 27, 3:41 PM EDT	Flash Flood Warning	CTP	Cumberland, Franklin, Juniata, Perry	3 hr
Jun 27, 3:55 PM EDT	Areal Flood Advisory	CTP	Blair, Centre, Clearfield, Clinton, Huntingdon, Mifflin	3 hr
Jun 27, 4:00 PM EDT	Areal Flood Advisory	CTP	Cameron, Clearfield, Elk	3 hr
Jun 27, 4:03 PM EDT	Areal Flood Advisory	CTP	Cumberland, Dauphin, Juniata, Mifflin, Northumberland, Perry and 1 more	3 hr
Jun 27, 4:05 PM EDT	Special Weather Statement	CTP	Lancaster	55 min
Jun 27, 4:08 PM EDT	Special Weather Statement	CTP	Union	67 min
Jun 27, 4:20 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton, Huntingdon	55 min
Jun 27, 4:30 PM EDT	Special Weather Statement	CTP	Lancaster	60 min
Jun 27, 4:33 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon	57 min
Jun 27, 4:36 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Dauphin, Juniata, Northumberland, Perry and 3 more	69 min
Jun 27, 4:42 PM EDT	Areal Flood Warning	CTP	Centre, Huntingdon	3 hr
Jun 27, 4:45 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland, Snyder, Union	60 min
Jun 27, 4:46 PM EDT	Flash Flood Warning	CTP	Cumberland, Dauphin, Juniata, Northumberland, Perry, Snyder and 1 more	3 hr
Jun 27, 5:01 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Centre, Clearfield, Clinton	59 min
Jun 27, 5:11 PM EDT	Flash Flood Warning	CTP	Clearfield	3 hr
Jun 27, 5:13 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Dauphin, Lebanon, Northumberland, Schuylkill	77 min
Jun 27, 5:17 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton, Lycoming, Union	58 min
Jun 27, 5:26 PM EDT	Flash Flood Warning	CTP	Columbia, Dauphin, Lebanon, Montour, Northumberland, Schuylkill	3 hr
Jun 27, 5:40 PM EDT	Areal Flood Warning	CTP	Centre, Clinton, Lycoming	9 hr
Jun 27, 5:40 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland, Schuylkill, Sullivan	65 min
Jun 27, 6:09 PM EDT	Flash Flood Warning	CTP	Centre, Clearfield, Clinton	3 hr
Jun 27, 6:13 PM EDT	Tornado Warning	CTP	Clinton, Lycoming	32 min
Jun 27, 6:41 PM EDT	Areal Flood Warning	CTP	Cumberland, Franklin, Juniata, Perry	3 hr
Jun 27, 6:41 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland, Schuylkill, Sullivan	64 min
Jun 27, 6:51 PM EDT	Severe Thunderstorm Warning	CTP	Clinton, Lycoming	69 min
Jun 27, 7:15 PM EDT	Areal Flood Warning	CTP	Centre, Clearfield	6 hr
Jun 27, 7:30 PM EDT	River Flood Warning	CTP	Clinton	4 hr
Jun 27, 7:33 PM EDT	Flash Flood Warning	CTP	Sullivan	3 hr
Jun 27, 7:43 PM EDT	Areal Flood Warning	CTP	Centre, Huntingdon	3 hr
Jun 27, 7:43 PM EDT	Severe Thunderstorm Warning	CTP	Sullivan	62 min

Nearby

Tornado Warnings in Pennsylvania, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.