Alert archive / Pennsylvania / Tornado Warnings in 2008

Tornado Warning 2, NWS State College, PA

July 27, 2008York County, Pennsylvania

NWS State College, PA issued this tornado warning at Jul 27, 2008, 12:27 PM EDT for York County, Pennsylvania. It was in force for 33 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: Jul 27, 2008, 12:27 PM EDT (16:27 UTC)
Expired: Jul 27, 2008, 1:00 PM EDT
In force: 33 min
Issued by: NWS State College, PA
Area: Storm-based polygon

County York County, PA

The radar

The Sterling radar (KLWX), 126 km from the middle of the area, began a volume at 16:28 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 27, 12:40 PM EDT	HAIL 1	5 Se Dallastown, PA
Jul 27, 12:45 PM EDT	HAIL 1.25	Felton, 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
Jul 27, 11:26 AM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 4.5 hours before the alert went out and 124 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: 1356 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1062 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KCTP 271627
TORCTP
PAC133-271700-
/O.NEW.KCTP.TO.W.0002.080727T1627Z-080727T1700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1227 PM EDT SUN JUL 27 2008

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL YORK COUNTY IN SOUTH CENTRAL PENNSYLVANIA...

* UNTIL 100 PM EDT

* AT 1223 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR RED LION...
  MOVING EAST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  BROGUE AROUND 1255 PM EDT...

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES.

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.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY
EVENING FOR SOUTH CENTRAL PENNSYLVANIA.

LAT...LON 3982 7672 3994 7662 3991 7639 3990 7639
      3976 7651
TIME...MOT...LOC 1626Z 281DEG 13KT 3988 7660

$$

FORECASTER: LA CORTE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 11:17 AM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Franklin, Huntingdon	58 min
Jul 27, 11:46 AM EDT	Severe Thunderstorm Warning	CTP	Adams, York	59 min
Jul 27, 11:58 AM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon	17 min
Jul 27, 12:00 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	60 min
Jul 27, 12:33 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin, York	57 min
Jul 27, 12:36 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	24 min
Jul 27, 12:47 PM EDT	Tornado Warning	CTP	Adams, York	43 min
Jul 27, 12:54 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	66 min
Jul 27, 1:21 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Lancaster, York	52 min
Jul 27, 4:52 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	23 min
Jul 27, 5:45 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	90 min

Nearby

Tornado Warnings in Pennsylvania, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.