Alert archive / Ohio / Winter Weather Advisories in 2012

Winter Weather Advisory 7, NWS Cleveland, OH

December 26, 201228 counties in Ohio; Erie County, Pennsylvania

NWS Cleveland, OH issued this winter weather advisory at Dec 26, 2012, 5:43 PM EST for 28 counties in Ohio; Erie County, Pennsylvania. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Dec 26, 2012, 5:43 PM EST (22:43 UTC)
Expired: Dec 27, 2012, 3:45 AM EST
In force: 10 hr
Issued by: NWS Cleveland, OH

All 29 counties

Ashland County, OH, Ashtabula County, OH, Crawford County, OH, Cuyahoga County, OH, Erie County, OH, Geauga County, OH, Hancock County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Lake County, OH, Lorain County, OH, Lucas County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Morrow County, OH, Ottawa County, OH, Portage County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH, Erie County, PA

The radar

The Cleveland radar (KCLE), 39 km from the middle of the area, began a volume at 22:47 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 12:00Z, 10.7 hours before the alert went out and 194 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 712 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 143 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Cleveland, OH wrote its last area forecast discussion before this winter weather advisory went out at Dec 26, 3:52 PM EST, 1 hour 51 minutes earlier.

Area forecast discussion, Dec 26, 3:52 PM EST, 1 hour 51 minutes before

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Hazardous weather outlook, Dec 26, 3:31 PM EST, 2 hours 12 minutes before

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In the hours before

Local storm report, Dec 26, 2:07 PM EST, 3 hours 36 minutes before

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Local storm report, Dec 26, 4:27 PM EST, 1 hour 16 minutes before

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Local storm report, Dec 26, 5:03 PM EST, 40 minutes before

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Local storm report, Dec 26, 5:27 PM EST, 16 minutes before

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Local storm report, Dec 26, 5:30 PM EST, 13 minutes before

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Nearby

Winter Weather Advisories in Ohio, 2012 Winter Weather Advisories in Pennsylvania, 2012 Every winter weather advisory 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.