Alert archive / Ohio / Excessive Heat Warnings in 2012

Excessive Heat Warning 1, NWS Wilmington, OH

June 27, 201232 counties in Ohio; 12 counties in Kentucky; 8 counties in Indiana

NWS Wilmington, OH issued this excessive heat warning at Jun 27, 2012, 3:20 PM EDT for 32 counties in Ohio; 12 counties in Kentucky; 8 counties in Indiana. It took effect at Jun 28, 2012, 12:00 PM EDT. It was in force for 30 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 27, 2012, 3:20 PM EDT (19:20 UTC)
In effect from: Jun 28, 2012, 12:00 PM EDT
Expired: Jun 29, 2012, 6:09 PM EDT
In force: 30 hr
Issued by: NWS Wilmington, OH

All 52 counties

Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Union County, OH, Warren County, OH

The radar

The Cincinnati radar (KILN), 20 km from the middle of the area, began a volume at 19:20 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.3 hours before the alert went out and 22 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: 2110 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -34 m²/s²
0-3 km storm-relative helicity: -2 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 excessive heat warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this excessive heat warning went out at Jun 27, 1:49 PM EDT, 1 hour 31 minutes earlier.

Area forecast discussion, Jun 27, 1:49 PM EDT, 1 hour 31 minutes before

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Hazardous weather outlook, Jun 27, 9:59 AM EDT, 5 hours 21 minutes before

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In the hours before

Special weather statement, Jun 27, 10:43 AM EDT, 4 hours 37 minutes before

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The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 27, 3:57 AM EDT	Fire Weather Watch	ILN	Adams, Auglaize, Brown, Butler, Clermont, Clinton and 12 more	12 hr
Jun 27, 3:57 AM EDT	Heat Advisory	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	56 hr
Jun 27, 3:41 PM EDT	Red Flag Warning	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	28 hr

Nearby

Excessive Heat Warnings in Ohio, 2012 Excessive Heat Warnings in Kentucky, 2012 Excessive Heat Warnings in Indiana, 2012 Every excessive heat warning 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.