Alert archive / Pennsylvania / Tornado Warnings in 2015

Tornado Warning 10, NWS State College, PA

June 30, 2015Columbia County, Montour County, Pennsylvania

NWS State College, PA issued this tornado warning at Jun 30, 2015, 8:25 PM EDT for Columbia County, Montour County, Pennsylvania. It was in force for 35 min. 2 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 30, 2015, 8:25 PM EDT (00:25 UTC)
Expired: Jun 30, 2015, 9:00 PM EDT
In force: 35 min
Issued by: NWS State College, PA
Area: Storm-based polygon

Counties Columbia County, PA, Montour County, PA

The radar

The State College radar (KCCX), 136 km from the middle of the area, began a volume at 00:28 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 30, 8:25 PM EDT	TSTM WND DMG	2 Nw Catawissa, PA	TREES DOWN
Jun 30, 8:32 PM EDT	TSTM WND DMG	2 N Bloomsburg, PA	TREES DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 0.4 hours before the alert went out and 240 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: 665 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 1402 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 127 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

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

356 
WFUS51 KCTP 010025
TORCTP
PAC037-093-010100-
/O.NEW.KCTP.TO.W.0010.150701T0025Z-150701T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
825 PM EDT TUE JUN 30 2015

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL MONTOUR COUNTY IN CENTRAL PENNSYLVANIA...
  SOUTHERN COLUMBIA COUNTY IN CENTRAL PENNSYLVANIA...

* UNTIL 900 PM EDT
    
* AT 825 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  OVER BLOOMSBURG...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BERWICK...BLOOMSBURG...ALMEDIA...BUCKHORN...CATAWISSA...
  FERNVILLE...LIGHTSTREET...MAINVILLE...MECHANICSVILLE...
  MIFFLINVILLE...RUPERT...SHUMANS...SLABTOWN...BRIAR CREEK...ESPY...
  LIME RIDGE AND BLOOMSBURG UNIVERSITY.

FOR THOSE DRIVING ON INTERSTATE 80...THIS INCLUDES AREAS BETWEEN THE
DANVILLE AND NESCOPEK EXITS...SPECIFICALLY FROM MILE MARKERS 228 TO
247.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED
FOR THE SAME AREA.

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.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4088 7629 4093 7656 4094 7656 4094 7657
      4101 7657 4112 7623 4103 7623 4095 7621
TIME...MOT...LOC 0025Z 252DEG 22KT 4099 7645 

$$

DANGELO

1 follow-up statement

298 
WWUS51 KCTP 010040
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
840 PM EDT TUE JUN 30 2015

PAC093-010047-
/O.CAN.KCTP.TO.W.0010.000000T0000Z-150701T0100Z/
MONTOUR PA-

840 PM EDT TUE JUN 30 2015

...THE TORNADO WARNING FOR EAST CENTRAL MONTOUR COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT 
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4088 7629 4095 7649 4103 7650 4112 7623
      4103 7623 4095 7621
TIME...MOT...LOC 0037Z 249DEG 20KT 4102 7639 

$$

PAC037-010100-
/O.CON.KCTP.TO.W.0010.000000T0000Z-150701T0100Z/
COLUMBIA PA-
840 PM EDT TUE JUN 30 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR
SOUTHEASTERN COLUMBIA COUNTY...

AT 837 PM EDT...LOCAL LAW ENFORCEMENT REPORTED DAMAGE FROM A 
THUNDERSTORM. THIS STORM WAS LOCATED OVER ALMEDIA...MOVING EAST AT 
25 MPH. WIND DAMAGE OCCURRED NEAR SNYDERTOWN AND RIVERSIDE DUE TO 
THIS STORM. 

THIS STORM WITH THE POSSIBLE TORNADO WILL BE NEAR...
  MIFFLINVILLE AT 845 PM EDT
  BERWICK AT 855 PM EDT. 
 
OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE BRIAR 
CREEK...ESPY...LIME RIDGE AND BLOOMSBURG UNIVERSITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO HAS BEEN SIGHTED. 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.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4088 7629 4095 7649 4103 7650 4112 7623
      4103 7623 4095 7621
TIME...MOT...LOC 0037Z 249DEG 20KT 4102 7639 

$$

DANGELO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 8:14 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland	61 min
Jun 30, 8:57 PM EDT	Tornado Warning	CTP	Columbia	18 min
Jun 30, 9:00 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Northumberland, Snyder, Union	60 min
Jun 30, 9:04 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland, Union	86 min
Jun 30, 9:17 PM EDT	Special Weather Statement	CTP	Schuylkill	58 min
Jun 30, 9:29 PM EDT	Flash Flood Warning	CTP	Lycoming, Montour, Northumberland, Union	3 hr
Jun 30, 9:45 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Sullivan	60 min
Jun 30, 9:47 PM EDT	Special Weather Statement	CTP	Franklin	28 min
Jun 30, 9:58 PM EDT	Special Weather Statement	CTP	Dauphin	62 min
Jun 30, 10:16 PM EDT	Special Weather Statement	CTP	Adams, York	59 min
Jun 30, 11:00 PM EDT	Special Weather Statement	CTP	Columbia	60 min
Jun 30, 11:02 PM EDT	Areal Flood Advisory	CTP	Adams	118 min
Jun 30, 11:08 PM EDT	Severe Thunderstorm Warning	CTP	Adams, York	52 min
Jul 1, 12:06 AM EDT	Special Weather Statement	CTP	Schuylkill	54 min
Jul 1, 12:35 AM EDT	Areal Flood Advisory	CTP	Schuylkill	115 min
Jul 1, 2:05 AM EDT	Special Weather Statement	CTP	Lancaster	40 min
Jul 1, 2:37 AM EDT	Areal Flood Advisory	CTP	Schuylkill	113 min

Nearby

Tornado Warnings in Pennsylvania, 2015 Every tornado warning in 2015 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.