Alert archive / Indiana / Mesoscale Discussions in 2015

Mesoscale Discussion 83

February 21, 201516 counties in Indiana; 8 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Feb 21, 2015, 3:19 AM EST for 16 counties in Indiana; 8 counties in Ohio. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: Feb 21, 2015, 3:19 AM EST (08:19 UTC)
Expired: Feb 21, 2015, 7:15 AM EST
In force: 4 hr
Issued by: the Storm Prediction Center

All 24 counties

Boone County, IN, Fayette County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Johnson County, IN, Marion County, IN, Morgan County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Union County, IN, Wayne County, IN, Champaign County, OH, Clark County, OH, Darke County, OH, Greene County, OH, Madison County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH

The radar

The Indianapolis radar (KIND), 104 km from the middle of the area, began a volume at 08:18 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 text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 20, 7:37 PM EST	Mesoscale Discussion	SPC	Posey	6 hr
Feb 20, 11:22 PM EST	Mesoscale Discussion	SPC	Clark, Crawford, Dubois, Floyd, Gibson, Harrison and 7 more	6 hr
Feb 20, 11:40 PM EST	Mesoscale Discussion	SPC	Clay, Parke, Putnam, Vermillion, Vigo	3 hr

Nearby

Mesoscale Discussions in Indiana, 2015 Mesoscale Discussions in Ohio, 2015 Every mesoscale discussion in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.