Alert archive / Ohio / Special Weather Statements in 2012

Special Weather Statement, NWS Pittsburgh, PA

September 8, 20126 counties in Ohio

NWS Pittsburgh, PA issued this special weather statement at Sep 8, 2012, 3:44 AM EDT for 6 counties in Ohio. It was in force for 61 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: Sep 8, 2012, 3:44 AM EDT (07:44 UTC)
Expired: Sep 8, 2012, 4:45 AM EDT
In force: 61 min
Issued by: NWS Pittsburgh, PA

Counties Carroll County, OH, Guernsey County, OH, Harrison County, OH, Muskingum County, OH, Noble County, OH, Tuscarawas County, OH

The radar

The Pittsburgh radar (KPBZ), 122 km from the middle of the area, began a volume at 07:48 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

Pittsburgh, PA (KPIT), launched 00:00Z, 7.7 hours before the alert went out and 126 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: 587 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 1511 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 Pittsburgh, PA wrote its last area forecast discussion before this special weather statement went out at Sep 8, 1:14 AM EDT, 2 hours 30 minutes earlier.

Area forecast discussion, Sep 8, 1:14 AM EDT, 2 hours 30 minutes before

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Hazardous weather outlook, Sep 7, 8:00 PM EDT, 7 hours 44 minutes before

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In the hours before

Special weather statement, Sep 8, 2:47 AM EDT, 57 minutes before

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Special weather statement, Sep 8, 3:44 AM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 8, 4:47 AM EDT	Special Weather Statement	PBZ	Allegheny, Beaver, Butler, Lawrence, Mercer, Venango	58 min
Sep 8, 4:50 AM EDT	Special Weather Statement	PBZ	Greene, Washington	55 min
Sep 8, 5:48 AM EDT	Special Weather Statement	PBZ	Allegheny, Armstrong, Butler, Clarion, Indiana, Washington and 1 more	57 min
Sep 8, 6:08 AM EDT	Special Weather Statement	PBZ	Fayette	52 min
Sep 8, 6:55 AM EDT	Special Weather Statement	PBZ	Jefferson	35 min
Sep 8, 10:06 AM EDT	Special Weather Statement	PBZ	Allegheny, Armstrong, Clarion, Forest, Greene, Indiana and 3 more	54 min
Sep 8, 10:54 AM EDT	Special Weather Statement	PBZ	Fayette, Greene, Indiana, Jefferson, Westmoreland	66 min
Sep 8, 2:47 AM EDT	Special Weather Statement	PBZ	Coshocton, Muskingum	58 min
Sep 8, 11:52 AM EDT	Special Weather Statement	PBZ	Preston, Tucker	68 min

Nearby

Special Weather Statements in Ohio, 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; radar from the NEXRAD Level II archive.