Alert archive / Ohio / Excessive Heat Warnings in 2012

Excessive Heat Warning 10, NWS Wilmington, OH

July 25, 201216 counties in Ohio; 12 counties in Kentucky; 5 counties in Indiana

NWS Wilmington, OH issued this excessive heat warning at Jul 25, 2012, 10:56 AM EDT for 16 counties in Ohio; 12 counties in Kentucky; 5 counties in Indiana. It took effect at Jul 25, 2012, 12:00 PM EDT. It was in force for 29 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: Jul 25, 2012, 10:56 AM EDT (14:56 UTC)
In effect from: Jul 25, 2012, 12:00 PM EDT
Expired: Jul 26, 2012, 5:17 PM EDT
In force: 29 hr
Issued by: NWS Wilmington, OH

All 33 counties

Dearborn County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland 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, Brown County, OH, Clermont County, OH, Clinton County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Hamilton County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Scioto County, OH

The radar

The Cincinnati radar (KILN), 40 km from the middle of the area, began a volume at 15:02 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, 2.9 hours before the alert went out and 41 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: 1267 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 232 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 Jul 25, 6:57 AM EDT, 3 hours 59 minutes earlier.

Area forecast discussion, Jul 25, 6:57 AM EDT, 3 hours 59 minutes before

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Hazardous weather outlook, Jul 25, 6:00 AM EDT, 4 hours 56 minutes before

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In the hours before

Local storm report, Jul 25, 8:30 AM EDT, 2 hours 26 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
Jul 25, 3:07 PM EDT	Heat Advisory	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 24 more	26 hr
Jul 25, 6:42 PM EDT	Special Weather Statement	ILN	Clermont	33 min
Jul 25, 7:29 PM EDT	Special Weather Statement	ILN	Darke	31 min
Jul 25, 7:40 PM EDT	Severe Thunderstorm Warning	ILN	Darke, Miami	32 min
Jul 25, 7:55 PM EDT	Special Weather Statement	ILN	Adams	50 min
Jul 25, 12:42 AM EDT	Special Weather Statement	ILN	Mason	33 min
Jul 25, 5:56 PM EDT	Special Weather Statement	ILN	Campbell, Kenton	34 min
Jul 25, 6:23 PM EDT	Areal Flood Advisory	ILN	Campbell, Kenton	46 min
Jul 25, 6:27 PM EDT	Special Weather Statement	ILN	Campbell	33 min

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.