Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 64, NWS State College, PA

June 3, 20129 counties in Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 3, 2012, 6:10 PM EDT for 9 counties in Pennsylvania. It was in force for 50 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 3, 2012, 6:10 PM EDT (22:10 UTC)
Expired
Jun 3, 2012, 7:00 PM EDT
In force
50 min
Issued by
NWS State College, PA
Area
Storm-based polygon

Counties Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Elk County, PA, Lycoming County, PA, McKean County, PA, Potter County, PA, Tioga County, PA

The radar

The State College radar (KCCX), 69 km from the middle of the area, began a volume at 22:10 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

TimeReportWhereRemark
Jun 3, 6:10 PM EDTTSTM WND DMGBelltown, PATREES AND LIMBS DOWN IN MILLSTONE TOWNSHIP
Jun 3, 6:19 PM EDTTSTM WND DMG5 Ssw Bradford, PATREES DOWN BLOCKING WESTBOUND LANE OF ROUTE 770

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.2 hours before the alert went out and 170 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-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2012-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2012-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
4 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1096 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
127 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.

192 
WUUS51 KCTP 032210
SVRCTP
PAC023-027-033-035-047-081-083-105-117-032300-
/O.NEW.KCTP.SV.W.0064.120603T2210Z-120603T2300Z/

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

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAMERON COUNTY IN NORTH CENTRAL PENNSYLVANIA...
  NORTHERN CLEARFIELD COUNTY IN CENTRAL PENNSYLVANIA...
  ELK COUNTY IN NORTH CENTRAL PENNSYLVANIA...
  MCKEAN COUNTY IN NORTH CENTRAL PENNSYLVANIA...
  POTTER COUNTY IN NORTH CENTRAL PENNSYLVANIA...
  WESTERN TIOGA COUNTY IN NORTH CENTRAL PENNSYLVANIA...
  NORTH CENTRAL CENTRE COUNTY IN CENTRAL PENNSYLVANIA...
  NORTHWESTERN LYCOMING COUNTY IN NORTH CENTRAL PENNSYLVANIA...
  WESTERN CLINTON COUNTY IN NORTH CENTRAL PENNSYLVANIA...

* UNTIL 700 PM EDT

* AT 605 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
  OLEAN TO ST. MARYS TO STRATTANVILLE...MOVING EAST AT 55 MPH. THESE
  STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  MEDIX RUN AND FORCE...
  ROULETTE AND KEATING SUMMIT...
  CAMERON AND PARKER DAM STATE PARK...
  GENESEE AND WHARTON...
  KETTLE CREEK STATE PARK AND S.B. ELLIOT STATE PARK...
  TAMARACK AND KEATING...

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 4200 7743 4109 7764 4092 7858 4104 7881
      4118 7879 4121 7876 4121 7872 4126 7874
      4137 7897 4134 7910 4139 7909 4148 7885
      4200 7874
TIME...MOT...LOC 2211Z 291DEG 48KT 4203 7834 4134 7849
          4121 7920

$$

FORECASTER: KF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 2:41 PM EDTSpecial Weather StatementCTPClearfield94 min
Jun 3, 3:11 PM EDTSpecial Weather StatementCTPColumbia, Montour64 min
Jun 3, 3:48 PM EDTSpecial Weather StatementCTPBlair, Cambria, Centre, Clearfield72 min
Jun 3, 4:26 PM EDTSpecial Weather StatementCTPBedford49 min
Jun 3, 4:32 PM EDTSpecial Weather StatementCTPHuntingdon, Juniata, Mifflin, Perry, Snyder43 min
Jun 3, 4:33 PM EDTSpecial Weather StatementCTPLycoming, Montour, Northumberland, Union57 min
Jun 3, 4:46 PM EDTSevere Thunderstorm WarningCTPColumbia, Lycoming, Montour, Northumberland, Union59 min
Jun 3, 5:06 PM EDTSpecial Weather StatementCTPAdams, Bedford, Cumberland, Dauphin, Franklin, Fulton and 5 more54 min
Jun 3, 5:15 PM EDTSpecial Weather StatementCTPWarren30 min
Jun 3, 5:42 PM EDTSpecial Weather StatementCTPSchuylkill33 min
Jun 3, 5:44 PM EDTSpecial Weather StatementCTPElk, McKean31 min
Jun 3, 5:48 PM EDTSpecial Weather StatementCTPAdams, Cumberland, Dauphin, Franklin, Fulton, Lancaster and 2 more57 min
Jun 3, 5:57 PM EDTSevere Thunderstorm WarningCTPAdams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 3 more63 min
Jun 3, 6:11 PM EDTSpecial Weather StatementCTPBedford, Blair, Cambria, Somerset49 min
Jun 3, 6:26 PM EDTSevere Thunderstorm WarningCTPAdams, Franklin, Lancaster, York64 min
Jun 3, 6:59 PM EDTSevere Thunderstorm WarningCTPBlair, Cambria, Cameron, Centre, Clearfield, Clinton and 5 more61 min
Jun 3, 7:27 PM EDTSpecial Weather StatementCTPWarren33 min
Jun 3, 7:33 PM EDTSpecial Weather StatementCTPSomerset27 min
Jun 3, 7:40 PM EDTSpecial Weather StatementCTPJuniata, Lycoming, Mifflin, Montour, Northumberland, Snyder and 2 more35 min
Jun 3, 7:50 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton, Columbia, Dauphin, Huntingdon, Juniata and 9 more40 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2012Every 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.