Alert archive / Pennsylvania / Special Weather Statements in 2011

Special Weather Statement, NWS State College, PA

June 1, 2011McKean County, Warren County, Pennsylvania

NWS State College, PA issued this special weather statement at Jun 1, 2011, 8:55 AM EDT for McKean County, Warren County, Pennsylvania. It was in force for 80 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: Jun 1, 2011, 8:55 AM EDT (12:55 UTC)
Expired: Jun 1, 2011, 10:15 AM EDT
In force: 80 min
Issued by: NWS State College, PA

Counties McKean County, PA, Warren County, PA

The radar

The State College radar (KCCX), 121 km from the middle of the area, began a volume at 12:57 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.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 0.9 hours before the alert went out and 338 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: 3637 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 975 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this special weather statement went out at Jun 1, 8:02 AM EDT, 53 minutes earlier.

Area forecast discussion, Jun 1, 8:02 AM EDT, 53 minutes before

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Hazardous weather outlook, Jun 1, 8:46 AM EDT, 9 minutes before

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In the hours before

Special weather statement, Jun 1, 8:55 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
855 AM EDT WED JUN 1 2011

PAZ004>006-011415-
MCKEAN PA-POTTER PA-WARREN PA-
855 AM EDT WED JUN 1 2011

...A LINE OF GUSTY SHOWERS AND A FEW EMBEDDED STRONG THUNDERSTORMS
WILL AFFECT MCKEAN...NORTHWESTERN POTTER AND SOUTHEASTERN WARREN
COUNTIES THROUGH 1015 AM...

AT 844 AM EDT...A LINE OF HEAVY SHOWERS AND A FEW THUNDERSTORMS WAS
LOCATED FROM 9 MILES WEST OF BRADFORD TO YOUNGSVILLE TO
HYDETOWN...MOVING EAST AT 35 MPH. THIS LINE OF SHOWERS AND
THUNDERSTORMS WILL GRADUALLY INTENSIFY OVER THE NEXT HOUR.

WESTERLY WIND GUSTS TO 45 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH
THESE HEAVY SHOWERS AND SCATTERED THUNDERSTORMS. THESE STORMS WILL
BE NEAR TIDIOUTE AROUND 900 AM...CLARENDON AROUND 915 AM...LUDLOW
AROUND 930 AM...SHINGLEHOUSE AROUND 945 AM...GENESEE AROUND 1000 AM
AND CROSBY AROUND 1015 AM.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 62...
ROUTE 219...STATE ROAD 46...STATE ROAD 59...STATE ROAD 66...STATE
ROAD 446...STATE ROAD 449.

LAT...LON 4163 7866 4162 7960 4164 7961 4174 7962
      4200 7882 4200 7764

FORECASTER: LAMBERT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 1, 9:17 AM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter, Warren	73 min
Jun 1, 10:23 AM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter	52 min
Jun 1, 11:17 AM EDT	Special Weather Statement	CTP	Potter	28 min
Jun 1, 11:48 AM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Sullivan	57 min
Jun 1, 12:16 PM EDT	Special Weather Statement	CTP	Columbia	29 min
Jun 1, 12:59 PM EDT	Special Weather Statement	CTP	Juniata, Mifflin	31 min
Jun 1, 1:18 PM EDT	Special Weather Statement	CTP	Blair, Huntingdon	57 min
Jun 1, 1:33 PM EDT	Special Weather Statement	CTP	Lebanon	42 min
Jun 1, 1:42 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Lancaster, Lebanon, Perry	63 min
Jun 1, 1:56 PM EDT	Special Weather Statement	CTP	Fulton	34 min
Jun 1, 2:01 PM EDT	Special Weather Statement	CTP	Columbia	29 min
Jun 1, 2:12 PM EDT	Special Weather Statement	CTP	Lebanon	48 min
Jun 1, 2:21 PM EDT	Severe Thunderstorm Warning	CTP	Lebanon, Schuylkill	54 min
Jun 1, 2:31 PM EDT	Special Weather Statement	CTP	Schuylkill	44 min
Jun 1, 2:32 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin, Fulton	32 min
Jun 1, 2:44 PM EDT	Special Weather Statement	CTP	Lebanon	46 min
Jun 1, 2:58 PM EDT	Special Weather Statement	CTP	Adams, York	32 min
Jun 1, 3:30 PM EDT	Special Weather Statement	CTP	Adams, Lancaster, York	45 min
Jun 1, 3:41 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	34 min
Jun 1, 4:16 PM EDT	Special Weather Statement	CTP	York	29 min

Nearby

Special Weather Statements in Pennsylvania, 2011 Every special weather statement in 2011

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.