Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 113, NWS State College, PA

June 13, 2007Bedford County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 13, 2007, 5:54 PM EDT for Bedford County, Pennsylvania. It was in force for 66 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 13, 2007, 5:54 PM EDT (21:54 UTC)
Expired: Jun 13, 2007, 7:00 PM EDT
In force: 66 min
Issued by: NWS State College, PA
Area: Counties, with a storm outline in the text

County Bedford County, PA

The radar

The State College radar (KCCX), 122 km from the middle of the area, began a volume at 21:57 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 13, 6:20 PM EDT	TSTM WND DMG	Hyndman, PA	TREES DOWN
Jun 13, 6:20 PM EDT	HAIL 0.75	5 S Rainsburg, PA	REPORTED BY FIRE POLICE IN CHEYNESVILLE

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
Jun 13, 1:24 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.9 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: 339 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 1257 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 71 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.

000 
WUUS51 KCTP 132154
SVRCTP
PAC009-132300-
/O.NEW.KCTP.SV.W.0113.070613T2154Z-070613T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
554 PM EDT WED JUN 13 2007

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN BEDFORD COUNTY IN SOUTH CENTRAL PENNSYLVANIA...

* UNTIL 700 PM EDT

* AT 548 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES
  NORTH OF BUFFALO MILLS...OR 10 MILES WEST OF BEDFORD...AND MOVING
  SOUTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CLEARVILLE AROUND 615 PM EDT...
  BUFFALO MILLS AROUND 625 PM EDT...
  LAKE GORDON AROUND 700 PM EDT...

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 130 AND 163...I-70 BETWEEN
MILE MARKERS 147 AND 150.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 30...ROUTE
220.

SEVERE THUNDERSTORMS CONTAIN DAMAGING WINDS 58 MPH OR STRONGER...OR
HAIL THREE QUARTERS OF AN INCH OR LARGER. SEEK SHELTER INSIDE A
STURDY LOCATION NOW.

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 3981 7875 3996 7877 4006 7876 4008 7873
      4011 7872 4008 7850 3999 7824 3985 7830
      3973 7838 3973 7881

$$

FORECASTER: RXR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 8:47 PM EDT	Severe Thunderstorm Warning	CTP	Tioga	58 min
Jun 12, 9:33 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria	42 min
Jun 13, 2:05 PM EDT	Severe Thunderstorm Warning	CTP	Elk	55 min
Jun 13, 2:14 PM EDT	Severe Thunderstorm Warning	CTP	Warren	46 min
Jun 13, 2:16 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming	29 min
Jun 13, 2:30 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	60 min
Jun 13, 2:44 PM EDT	Severe Thunderstorm Warning	CTP	Columbia	31 min
Jun 13, 2:51 PM EDT	Severe Thunderstorm Warning	CTP	Northumberland	54 min
Jun 13, 2:57 PM EDT	Severe Thunderstorm Warning	CTP	Snyder	48 min
Jun 13, 3:06 PM EDT	Severe Thunderstorm Warning	CTP	Centre	54 min
Jun 13, 3:25 PM EDT	Severe Thunderstorm Warning	CTP	Somerset	65 min
Jun 13, 3:31 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Juniata, Lebanon, Perry, Schuylkill	74 min
Jun 13, 3:41 PM EDT	Severe Thunderstorm Warning	CTP	Cambria	64 min
Jun 13, 3:47 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	43 min
Jun 13, 3:54 PM EDT	Severe Thunderstorm Warning	CTP	Huntingdon	51 min
Jun 13, 4:01 PM EDT	Tornado Warning	CTP	Lancaster	29 min
Jun 13, 4:12 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, York	78 min
Jun 13, 4:28 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	32 min
Jun 13, 4:39 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin	66 min
Jun 13, 4:46 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Huntingdon	44 min
Jun 13, 5:04 PM EDT	Severe Thunderstorm Warning	CTP	Cambria, Somerset	56 min
Jun 13, 5:04 PM EDT	Tornado Warning	CTP	York	26 min
Jun 13, 5:28 PM EDT	Severe Thunderstorm Warning	CTP	Fulton	62 min
Jun 13, 5:39 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	36 min
Jun 13, 6:10 PM EDT	Severe Thunderstorm Warning	CTP	Somerset	50 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2007 Every severe thunderstorm warning in 2007

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.