Alert archive / Pennsylvania / Tornado Warnings in 2006

Tornado Warning 4, NWS State College, PA

July 27, 2006Clinton County, Pennsylvania

NWS State College, PA issued this tornado warning at Jul 27, 2006, 2:10 PM EDT for Clinton County, Pennsylvania. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 27, 2006, 2:10 PM EDT (18:10 UTC)
Expired
Jul 27, 2006, 3:00 PM EDT
In force
50 min
Issued by
NWS State College, PA
Area
Counties, with a storm outline in the text

County Clinton County, PA

The radar

The State College radar (KCCX), 51 km from the middle of the area, began a volume at 18:13 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.

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 6.2 hours before the alert went out and 214 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, Phillips Aaf/Abe, MD at 12:00Z on 2006-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 779 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2006-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939Sfc1 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
779 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
844 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KCTP 271810
TORCTP
PAC035-271900-
/O.NEW.KCTP.TO.W.0004.060727T1810Z-060727T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
210 PM EDT THU JUL 27 2006

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  CLINTON COUNTY IN NORTH CENTRAL PENNSYLVANIA

* UNTIL 300 PM EDT

* AT 206 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MILL
  HALL...MOVING EAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  MILL HALL AROUND 215 PM EDT...
  LOCK HAVEN AROUND 220 PM EDT...
  MACKEYVILLE AND DUNNSTOWN AROUND 225 PM EDT...
  MCELHATTAN AROUND 235 PM EDT...
  AVIS AROUND 250 PM EDT...
  CARROLL AROUND 300 PM EDT...

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES... 
I-80 BETWEEN MILE MARKERS 172 AND 195. THIS WILL ALSO IMPACT THE 
FOLLOWING MAJOR ROADS...ROUTE 220.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING
PREVIOUSLY ISSUED FOR THE WARNED AREA.

IF YOU ARE IN THE PATH OF THIS STORM...MOVE INDOORS IMMEDIATELY.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. STAY AWAY FROM WINDOWS.

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 4118 7760 4108 7764 4103 7759 4099 7730
      4105 7711 4119 7727

$$

FORECASTER:  RXR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 2:00 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton60 min
Jul 27, 3:53 PM EDTSevere Thunderstorm WarningCTPNorthumberland, Snyder67 min
Jul 27, 4:14 PM EDTSevere Thunderstorm WarningCTPAdams, York61 min
Jul 27, 4:24 PM EDTSevere Thunderstorm WarningCTPMontour36 min
Jul 27, 4:32 PM EDTSevere Thunderstorm WarningCTPColumbia43 min
Jul 27, 4:58 PM EDTSevere Thunderstorm WarningCTPDauphin47 min
Jul 27, 5:06 PM EDTSevere Thunderstorm WarningCTPLancaster, Lebanon69 min

Nearby

Tornado Warnings in Pennsylvania, 2006Every tornado warning in 2006Tornadoes in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.