Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 65, NWS State College, PA

June 3, 20124 counties in Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 3, 2012, 6:26 PM EDT for 4 counties in Pennsylvania. It was in force for 64 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: Jun 3, 2012, 6:26 PM EDT (22:26 UTC)
Expired: Jun 3, 2012, 7:30 PM EDT
In force: 64 min
Issued by: NWS State College, PA
Area: Storm-based polygon

Counties Adams County, PA, Franklin County, PA, Lancaster County, PA, York County, PA

The radar

The Sterling radar (KLWX), 139 km from the middle of the area, began a volume at 22:29 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 3, 6:50 PM EDT	TSTM WND DMG	Quarryville, PA	TREES AND WIRES 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 12:00Z, 10.4 hours before the alert went out and 137 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1755 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 123 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.

908 
WUUS51 KCTP 032226
SVRCTP
PAC001-055-071-133-032330-
/O.NEW.KCTP.SV.W.0065.120603T2226Z-120603T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
626 PM EDT SUN JUN 3 2012

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ADAMS COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
  SOUTHERN FRANKLIN COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
  LANCASTER COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
  SOUTHERN YORK COUNTY IN SOUTH CENTRAL PENNSYLVANIA...

* UNTIL 730 PM EDT

* AT 619 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
  ADAMSTOWN TO SABILLASVILLE...MOVING EAST AT 40 MPH. THESE STORMS
  ARE CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. 

* LOCATIONS IN THE WARNING INCLUDE...
  LITTLESTOWN AND NEW HOLLAND...
  WILLOW STREET AND CODORUS...
  WILLOW STREET AND SAFE HARBOR...
  STRASBURG AND SMITHVILLE...
  GAP AND SHREWSBURY...
  NEW FREEDOM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE 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 3998 7733 3984 7699 4023 7601 4014 7587
      4011 7593 4004 7593 3996 7599 3987 7598
      3972 7610 3972 7798
TIME...MOT...LOC 2227Z 281DEG 34KT 4019 7591 3970 7738

$$

FORECASTER: KF

1 follow-up statement

511 
WWUS51 KCTP 032320
SVSCTP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
720 PM EDT SUN JUN 3 2012

PAC001-055-032330-
/O.CAN.KCTP.SV.W.0065.000000T0000Z-120603T2330Z/
ADAMS PA-FRANKLIN PA-
720 PM EDT SUN JUN 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN FRANKLIN AND ADAMS
COUNTIES 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 3973 7700 3984 7698 4001 7612 3996 7599
      3987 7598 3985 7601 3984 7601 3972 7610
      3971 7659
TIME...MOT...LOC 2320Z 283DEG 36KT 3990 7583 3961 7696

$$

PAC071-133-032330-
/O.CON.KCTP.SV.W.0065.000000T0000Z-120603T2330Z/
LANCASTER PA-YORK PA-
720 PM EDT SUN JUN 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHERN YORK AND SOUTHERN LANCASTER COUNTIES...

AT 712 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM CHRISTIANA TO 12 MILES SOUTH OF PENNVILLE...MOVING
EAST AT 40 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  WAKEFIELD AND DELTA...

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 3973 7700 3984 7698 4001 7612 3996 7599
      3987 7598 3985 7601 3984 7601 3972 7610
      3971 7659
TIME...MOT...LOC 2320Z 283DEG 36KT 3990 7583 3961 7696

$$

FORECASTER: RXR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 2:41 PM EDT	Special Weather Statement	CTP	Clearfield	94 min
Jun 3, 3:11 PM EDT	Special Weather Statement	CTP	Columbia, Montour	64 min
Jun 3, 3:48 PM EDT	Special Weather Statement	CTP	Blair, Cambria, Centre, Clearfield	72 min
Jun 3, 4:26 PM EDT	Special Weather Statement	CTP	Bedford	49 min
Jun 3, 4:32 PM EDT	Special Weather Statement	CTP	Huntingdon, Juniata, Mifflin, Perry, Snyder	43 min
Jun 3, 4:33 PM EDT	Special Weather Statement	CTP	Lycoming, Montour, Northumberland, Union	57 min
Jun 3, 4:46 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland, Union	59 min
Jun 3, 5:06 PM EDT	Special Weather Statement	CTP	Adams, Bedford, Cumberland, Dauphin, Franklin, Fulton and 5 more	54 min
Jun 3, 5:15 PM EDT	Special Weather Statement	CTP	Warren	30 min
Jun 3, 5:42 PM EDT	Special Weather Statement	CTP	Schuylkill	33 min
Jun 3, 5:44 PM EDT	Special Weather Statement	CTP	Elk, McKean	31 min
Jun 3, 5:48 PM EDT	Special Weather Statement	CTP	Adams, Cumberland, Dauphin, Franklin, Fulton, Lancaster and 2 more	57 min
Jun 3, 5:57 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 3 more	63 min
Jun 3, 6:10 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 3 more	50 min
Jun 3, 6:11 PM EDT	Special Weather Statement	CTP	Bedford, Blair, Cambria, Somerset	49 min
Jun 3, 6:59 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 5 more	61 min
Jun 3, 7:27 PM EDT	Special Weather Statement	CTP	Warren	33 min
Jun 3, 7:33 PM EDT	Special Weather Statement	CTP	Somerset	27 min
Jun 3, 7:40 PM EDT	Special Weather Statement	CTP	Juniata, Lycoming, Mifflin, Montour, Northumberland, Snyder and 2 more	35 min
Jun 3, 7:50 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton, Columbia, Dauphin, Huntingdon, Juniata and 9 more	40 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.