Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 142, NWS State College, PA

July 26, 20125 counties in Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 26, 2012, 3:29 PM EDT for 5 counties in Pennsylvania. It was in force for 91 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: Jul 26, 2012, 3:29 PM EDT (19:29 UTC)
Expired: Jul 26, 2012, 5:00 PM EDT
In force: 91 min
Issued by: NWS State College, PA
Area: Storm-based polygon

Counties Clinton County, PA, Lycoming County, PA, Potter County, PA, Sullivan County, PA, Tioga County, PA

The radar

The Binghamton radar (KBGM), 100 km from the middle of the area, began a volume at 19:33 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
Jul 26, 3:30 PM EDT	TSTM WND DMG	Harrison Valley, PA	TREE DOWN ACROSS A ROAD NEAR HARRISON VALLEY.
Jul 26, 3:55 PM EDT	TSTM WND DMG	Tioga, PA	NUMEROUS TREES AND WIRES REPORTED DOWN IN VICINITY OF TIOGA AND HAMMOND LAKES.
Jul 26, 4:00 PM EDT	TSTM WND DMG	Morris, PA	LARGE TREE REPORTED DOWN.
Jul 26, 4:26 PM EDT	TSTM WND DMG	6 N Trout Run, PA	TREES DOWN ACROSS ROUTE 14.

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
Jul 26, 1:16 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.5 hours before the alert went out and 252 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: 59 J/kg
Mixed-layer CIN: -282 J/kg
Mixed-layer LCL: 1017 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 238 m²/s²
0-3 km storm-relative helicity: 239 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.

005 
WUUS51 KCTP 261929
SVRCTP
PAC035-081-105-113-117-262100-
/O.NEW.KCTP.SV.W.0142.120726T1929Z-120726T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
329 PM EDT THU JUL 26 2012

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN POTTER COUNTY IN NORTH CENTRAL PENNSYLVANIA...
  SULLIVAN COUNTY IN NORTH CENTRAL PENNSYLVANIA...
  TIOGA COUNTY IN NORTH CENTRAL PENNSYLVANIA...
  NORTHERN LYCOMING COUNTY IN NORTH CENTRAL PENNSYLVANIA...
  NORTH CENTRAL CLINTON COUNTY IN NORTH CENTRAL PENNSYLVANIA...

* UNTIL 500 PM EDT

* AT 323 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
  TROUPSBURG TO LYMAN RUN STATE PARK TO STEVENSON DAM...MOVING EAST
  AT 60 MPH. THESE STORMS ARE CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH. 

* LOCATIONS IN THE WARNING INCLUDE...
  OLE BULL STATE PARK AND ELKLAND...
  LEETONIA...
  WELLSBORO AND TIOGA JUNCTION...
  CEDAR RUN AND MORRIS...
  SLATE RUN AND MORRIS...
  CAMMAL AND BLOSSBURG...

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 15...
ROUTE 220...STATE ROAD 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DAMAGING WINDS WERE REPORTED IN ROULETTE AND COUDERSPORT WITH THIS 
LINE OF SEVERE THUNDERSTORMS.

SEVERE THUNDERSTORMS PRODUCE WIND DAMAGE. MOVE INSIDE A PERMANENT 
BUILDING NOW TO BE SAFE FROM STRONG WIND GUSTS.

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.

&&

LAT...LON 4160 7687 4154 7621 4141 7627 4134 7774
      4201 7766 4200 7693
TIME...MOT...LOC 1928Z 271DEG 53KT 4200 7746 4172 7767
          4146 7801

$$

FORECASTER: DANGELO

3 follow-up statements

616 
WWUS51 KCTP 262000
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
400 PM EDT THU JUL 26 2012

PAC105-262010-
/O.CAN.KCTP.SV.W.0142.000000T0000Z-120726T2100Z/
POTTER PA-
400 PM EDT THU JUL 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN POTTER COUNTY IS
CANCELLED...

THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED OUT
OF THE AREA...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.

LAT...LON 4160 7687 4154 7621 4141 7628 4140 7770
      4148 7760 4196 7716 4200 7693
TIME...MOT...LOC 2000Z 271DEG 53KT 4199 7683 4171 7704
          4145 7738

$$

PAC035-081-113-117-262100-
/O.CON.KCTP.SV.W.0142.000000T0000Z-120726T2100Z/
SULLIVAN PA-TIOGA PA-LYCOMING PA-CLINTON PA-
400 PM EDT THU JUL 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTH CENTRAL CLINTON...NORTHERN LYCOMING...SOUTHEASTERN TIOGA
AND NORTHERN SULLIVAN COUNTIES...

AT 355 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM MILLERTON TO COVINGTON TO SLATE RUN...
MOVING EAST AT 60 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  ENGLISH CENTER...
  BUTTONWOOD AND OGDENSBURG...
  RALSTON...
  SHUNK...
  LINCOLN FALLS...
  KETTLE CREEK GORGE AND FORKSVILLE...

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 15...
ROUTE 220...STATE ROAD 14.

THIS STORM HAS A HISTORY OF DOWNING TREES AND WIRES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.

&&

LAT...LON 4160 7687 4154 7621 4141 7628 4140 7770
      4148 7760 4196 7716 4200 7693
TIME...MOT...LOC 2000Z 271DEG 53KT 4199 7683 4171 7704
          4145 7738

$$

FORECASTER: RHG/MD

363 
WWUS51 KCTP 262012
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
412 PM EDT THU JUL 26 2012

PAC035-262022-
/O.CAN.KCTP.SV.W.0142.000000T0000Z-120726T2100Z/
CLINTON PA-
412 PM EDT THU JUL 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CLINTON COUNTY
IS CANCELLED...

THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED OUT
OF THE AREA...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.

LAT...LON 4200 7693 4160 7687 4154 7621 4141 7628
      4142 7757 4164 7719 4198 7699
TIME...MOT...LOC 2012Z 271DEG 53KT 4192 7658 4164 7681
          4139 7716

$$

PAC081-113-117-262100-
/O.CON.KCTP.SV.W.0142.000000T0000Z-120726T2100Z/
SULLIVAN PA-TIOGA PA-LYCOMING PA-
412 PM EDT THU JUL 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTHERN LYCOMING...EASTERN TIOGA AND NORTHERN SULLIVAN
COUNTIES...

AT 411 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 18 MILES EAST OF MILLERTON TO 7
MILES NORTHWEST OF SHUNK TO ENGLISH CENTER...MOVING EAST AT 60 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  SHUNK...
  LINCOLN FALLS...
  KETTLE CREEK GORGE AND FORKSVILLE...
  DUSHORE...
  LAPORTE...

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 15...
ROUTE 220...STATE ROAD 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.

&&

LAT...LON 4200 7693 4160 7687 4154 7621 4141 7628
      4142 7757 4164 7719 4198 7699
TIME...MOT...LOC 2012Z 271DEG 53KT 4192 7658 4164 7681
          4139 7716

$$

FORECASTER: RG/JC

159 
WWUS51 KCTP 262033
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
433 PM EDT THU JUL 26 2012

PAC117-262044-
/O.CAN.KCTP.SV.W.0142.000000T0000Z-120726T2100Z/
TIOGA PA-
433 PM EDT THU JUL 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN TIOGA COUNTY IS
CANCELLED...

THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED OUT
OF THE AREA...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.

LAT...LON 4141 7628 4142 7709 4160 7687 4155 7624
      4154 7621
TIME...MOT...LOC 2034Z 271DEG 53KT 4184 7614 4157 7638
          4133 7674

$$

PAC081-113-262100-
/O.CON.KCTP.SV.W.0142.000000T0000Z-120726T2100Z/
SULLIVAN PA-LYCOMING PA-
433 PM EDT THU JUL 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTH CENTRAL LYCOMING AND NORTHERN SULLIVAN COUNTIES...

AT 430 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 24 MILES NORTHEAST OF DUSHORE TO
DUSHORE TO 9 MILES SOUTHWEST OF KETTLE CREEK GORGE...MOVING EAST AT
60 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  LAPORTE...

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 220...STATE ROAD
14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.

&&

LAT...LON 4141 7628 4142 7709 4160 7687 4155 7624
      4154 7621
TIME...MOT...LOC 2034Z 271DEG 53KT 4184 7614 4157 7638
          4133 7674

$$

FORECASTER: RHG/JC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 4:04 AM EDT	Special Weather Statement	CTP	McKean	26 min
Jul 26, 4:26 AM EDT	Special Weather Statement	CTP	McKean, Warren	49 min
Jul 26, 5:03 AM EDT	Special Weather Statement	CTP	Bedford, Blair, Cambria, Somerset	72 min
Jul 26, 5:10 AM EDT	Special Weather Statement	CTP	Clearfield	35 min
Jul 26, 5:14 AM EDT	Special Weather Statement	CTP	McKean, Potter, Warren	31 min
Jul 26, 5:43 AM EDT	Special Weather Statement	CTP	Centre, Clearfield	32 min
Jul 26, 5:46 AM EDT	Special Weather Statement	CTP	Cameron, Elk, Potter, Tioga	29 min
Jul 26, 6:29 AM EDT	Special Weather Statement	CTP	Clinton, Lycoming, Montour, Union	46 min
Jul 26, 6:33 AM EDT	Special Weather Statement	CTP	Franklin	42 min
Jul 26, 7:29 AM EDT	Special Weather Statement	CTP	Columbia, Montour, Northumberland, Schuylkill, Union	61 min
Jul 26, 7:45 AM EDT	Special Weather Statement	CTP	Cumberland, Juniata, Perry	60 min
Jul 26, 8:41 AM EDT	Special Weather Statement	CTP	Adams, Cumberland, Dauphin, Lebanon	64 min
Jul 26, 1:11 PM EDT	Special Weather Statement	CTP	Warren	64 min
Jul 26, 1:20 PM EDT	Severe Thunderstorm Warning	CTP	Warren	55 min
Jul 26, 1:48 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Clearfield, Elk, McKean, Potter, Warren	72 min
Jul 26, 2:25 PM EDT	Severe Thunderstorm Warning	CTP	Warren	35 min
Jul 26, 2:51 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Centre, Clearfield, Clinton, Elk, McKean and 3 more	69 min
Jul 26, 2:51 PM EDT	Tornado Warning	CTP	McKean, Potter	39 min
Jul 26, 3:22 PM EDT	Tornado Warning	CTP	Potter, Tioga	53 min
Jul 26, 3:46 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Centre, Clearfield, Clinton, Columbia, Lycoming and 6 more	74 min
Jul 26, 3:54 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Clearfield, Huntingdon, Mifflin	66 min
Jul 26, 4:41 PM EDT	Tornado Warning	CTP	Columbia, Lycoming, Montour, Northumberland	34 min
Jul 26, 4:48 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Centre, Clearfield, Fulton and 5 more	57 min
Jul 26, 4:53 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Huntingdon, Juniata, Mifflin, Northumberland, Snyder and 1 more	67 min
Jul 26, 4:58 PM EDT	Severe Thunderstorm Warning	CTP	Columbia	32 min
Jul 26, 5:06 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill, Snyder, Sullivan	84 min
Jul 26, 5:09 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Cumberland, Dauphin, Huntingdon, Juniata, Lancaster and 8 more	81 min
Jul 26, 5:30 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Cumberland, Franklin, Fulton and 5 more	60 min
Jul 26, 5:46 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill	74 min
Jul 26, 6:04 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin, Perry, York	56 min
Jul 26, 6:26 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Cumberland, Franklin, Fulton and 5 more	64 min
Jul 26, 6:33 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Dauphin, Lancaster, Lebanon, Schuylkill and 1 more	57 min
Jul 26, 6:42 PM EDT	Areal Flood Advisory	CTP	Bedford, Blair, Cambria, Somerset	3 hr
Jul 26, 6:56 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin, York	49 min
Jul 26, 6:57 PM EDT	Areal Flood Advisory	CTP	Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 2 more	3 hr
Jul 26, 7:06 PM EDT	Special Weather Statement	CTP	Clearfield	54 min
Jul 26, 7:20 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Huntingdon, Somerset	70 min
Jul 26, 7:23 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Lancaster, York	52 min
Jul 26, 7:46 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Clearfield, Huntingdon	59 min
Jul 26, 7:52 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Cumberland, Franklin, Fulton, Huntingdon, Juniata and 3 more	53 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2012 Every severe thunderstorm warning in 2012

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.