Alert archive / Pennsylvania / Special Weather Statements in 2012

Special Weather Statement, NWS State College, PA

August 15, 2012Mifflin County, Pennsylvania

NWS State College, PA issued this special weather statement at Aug 15, 2012, 6:42 PM EDT for Mifflin County, Pennsylvania. It was in force for 33 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: Aug 15, 2012, 6:42 PM EDT (22:42 UTC)
Expired: Aug 15, 2012, 7:15 PM EDT
In force: 33 min
Issued by: NWS State College, PA

County Mifflin County, PA

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.7 hours before the alert went out and 185 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: 426 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 828 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

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 Aug 15, 5:16 PM EDT, 1 hour 26 minutes earlier.

Area forecast discussion, Aug 15, 5:16 PM EDT, 1 hour 26 minutes before

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Hazardous weather outlook, Aug 15, 3:13 PM EDT, 3 hours 29 minutes before

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In the hours before

Special weather statement, Aug 15, 6:12 PM EDT, 30 minutes before

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Special weather statement, Aug 15, 6:42 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 8:05 PM EDT	Special Weather Statement	CTP	Schuylkill	25 min
Aug 14, 8:09 PM EDT	Special Weather Statement	CTP	Dauphin	36 min
Aug 14, 8:17 PM EDT	Special Weather Statement	CTP	Adams	28 min
Aug 14, 8:21 PM EDT	Special Weather Statement	CTP	Juniata	24 min
Aug 14, 8:25 PM EDT	Special Weather Statement	CTP	Clinton	35 min
Aug 14, 8:29 PM EDT	Special Weather Statement	CTP	Franklin, Fulton	31 min
Aug 14, 8:38 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Snyder	37 min
Aug 14, 9:01 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Perry	59 min
Aug 14, 9:02 PM EDT	Special Weather Statement	CTP	Franklin	58 min
Aug 14, 9:24 PM EDT	Areal Flood Advisory	CTP	Juniata, Perry, Snyder	3 hr
Aug 14, 9:25 PM EDT	Special Weather Statement	CTP	Adams	35 min
Aug 14, 9:31 PM EDT	Special Weather Statement	CTP	Cumberland	44 min
Aug 14, 9:33 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin	57 min
Aug 14, 9:56 PM EDT	Special Weather Statement	CTP	Dauphin	34 min
Aug 14, 10:12 PM EDT	Flash Flood Warning	CTP	Cumberland, Dauphin, Perry	3 hr
Aug 14, 10:43 PM EDT	Special Weather Statement	CTP	Dauphin, Lebanon, York	62 min
Aug 14, 11:50 PM EDT	Special Weather Statement	CTP	Lancaster	40 min
Aug 15, 6:12 PM EDT	Special Weather Statement	CTP	Cameron	63 min

Nearby

Special Weather Statements in Pennsylvania, 2012 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive.