Alert archive / Pennsylvania / Tornado Warnings in 2014

Tornado Warning 1, NWS State College, PA

May 22, 2014Columbia County, Montour County, Northumberland County, Pennsylvania

NWS State College, PA issued this tornado warning at May 22, 2014, 2:36 PM EDT for Columbia County, Montour County, Northumberland County, Pennsylvania. It was in force for 24 min. 10 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: May 22, 2014, 2:36 PM EDT (18:36 UTC)
Expired: May 22, 2014, 3:00 PM EDT
In force: 24 min
Issued by: NWS State College, PA
Area: Storm-based polygon

Counties Columbia County, PA, Montour County, PA, Northumberland County, PA

The radar

The State College radar (KCCX), 138 km from the middle of the area, began a volume at 18:36 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.

What was reported inside it

Time	Report	Where
May 22, 2:40 PM EDT	HAIL 1	3 Ne Mechanicsville, PA
May 22, 2:40 PM EDT	HAIL 1.75	3 Nne Mechanicsville, PA
May 22, 2:40 PM EDT	HAIL 1.75	Danville, PA
May 22, 2:40 PM EDT	HAIL 2.5	2 Ese Mechanicsville, PA
May 22, 2:45 PM EDT	HAIL 2	1 S Grovania, PA
May 22, 2:45 PM EDT	HAIL 2.5	3 Nne Mechanicsville, PA
May 22, 2:47 PM EDT	HAIL 2.25	2 Ne Knoebels Grove, PA
May 22, 2:50 PM EDT	HAIL 1	3 N Mechanicsville, PA
May 22, 2:50 PM EDT	HAIL 1.25	3 N Mechanicsville, PA
May 22, 3:00 PM EDT	HAIL 1.75	1 Wnw Numidia, PA

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 22, 12:39 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 6.6 hours before the alert went out and 234 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: 291 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 839 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

701 
WFUS51 KCTP 221836
TORCTP
PAC037-093-097-221900-
/O.NEW.KCTP.TO.W.0001.140522T1836Z-140522T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
236 PM EDT THU MAY 22 2014

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

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

* UNTIL 300 PM EDT
    
* AT 235 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  NEAR DANVILLE...AND MOVING SOUTHEAST AT 35 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  BLOOMSBURG...ELYSBURG...CATAWISSA...FERNVILLE AND RUPERT AROUND 240
  PM EDT.
  NUMIDIA...SLABTOWN...MAINVILLE AND KNOEBELS GROVE AROUND 250 PM
  EDT.
  MOUNT CARMEL...KULPMONT...ARISTES...WILBURTON NUMBER ONE...
  WILBURTON NUMBER TWO AND SHUMANS AROUND 300 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE MARION
HEIGHTS...BLOOMSBURG UNIVERSITY AND ESPY.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 225 AND 233.

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 4091 7625 4088 7629 4084 7629 4083 7630
      4076 7646 4097 7668 4106 7655 4093 7624
TIME...MOT...LOC 1835Z 308DEG 28KT 4097 7656 

$$

LAMBERT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 11:11 PM EDT	Special Weather Statement	CTP	Warren	34 min
May 21, 11:18 PM EDT	Special Weather Statement	CTP	Potter	27 min
May 21, 11:43 PM EDT	Special Weather Statement	CTP	Clinton	47 min
May 21, 11:46 PM EDT	Severe Thunderstorm Warning	CTP	Potter	29 min
May 21, 11:51 PM EDT	Special Weather Statement	CTP	Warren	39 min
May 22, 12:09 AM EDT	Severe Thunderstorm Warning	CTP	Clinton, Lycoming, Potter	51 min
May 22, 12:57 AM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Montour, Northumberland, Union	63 min
May 22, 1:51 AM EDT	Special Weather Statement	CTP	Columbia, Montour	24 min
May 22, 2:09 AM EDT	Special Weather Statement	CTP	Columbia, Montour	36 min
May 22, 2:42 AM EDT	Special Weather Statement	CTP	Schuylkill	33 min
May 22, 3:22 AM EDT	Special Weather Statement	CTP	Fulton	38 min
May 22, 5:39 AM EDT	Special Weather Statement	CTP	Schuylkill	51 min
May 22, 7:16 AM EDT	Special Weather Statement	CTP	Sullivan	29 min
May 22, 12:36 PM EDT	Special Weather Statement	CTP	Tioga	54 min
May 22, 1:08 PM EDT	Special Weather Statement	CTP	Sullivan	82 min
May 22, 1:53 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland	67 min
May 22, 1:59 PM EDT	Special Weather Statement	CTP	Schuylkill	61 min
May 22, 2:08 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	37 min
May 22, 2:28 PM EDT	Areal Flood Advisory	CTP	Columbia, Lycoming, Montour, Northumberland	2 hr
May 22, 2:28 PM EDT	Special Weather Statement	CTP	Franklin, Fulton	32 min
May 22, 2:57 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill	63 min
May 22, 3:26 PM EDT	Special Weather Statement	CTP	York	34 min
May 22, 3:44 PM EDT	Special Weather Statement	CTP	Lancaster	31 min
May 22, 3:53 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	67 min
May 22, 5:33 PM EDT	Special Weather Statement	CTP	York	42 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.