Alert archive / North Carolina / Mesoscale Discussions in 2018

Mesoscale Discussion 1700

December 8, 201820 counties in North Carolina; Carter County, Johnson County, Unicoi County, Tennessee; City of Galax, Virginia

The Storm Prediction Center issued this mesoscale discussion at Dec 8, 2018, 10:32 PM EST for 20 counties in North Carolina; Carter County, Johnson County, Unicoi County, Tennessee; City of Galax, Virginia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Dec 8, 2018, 10:32 PM EST (03:32 UTC)
Expired
Dec 9, 2018, 4:00 AM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 24 counties

Alexander County, NC, Alleghany County, NC, Ashe County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Catawba County, NC, Haywood County, NC, Henderson County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Rutherford County, NC, Surry County, NC, Transylvania County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Yancey County, NC, Carter County, TN, Johnson County, TN, Unicoi County, TN, City of Galax, VA

The radar

The Greer radar (KGSP), 119 km from the middle of the area, began a volume at 03:31 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.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 9, 3:08 AM ESTMesoscale DiscussionSPCAlamance, Alexander, Alleghany, Anson, Ashe, Avery and 48 more5 hr
Dec 9, 8:18 AM ESTMesoscale DiscussionSPCAlamance, Alexander, Alleghany, Ashe, Avery, Buncombe and 51 more5 hr
Dec 9, 12:34 PM ESTMesoscale DiscussionSPCAlamance, Alexander, Alleghany, Ashe, Caswell, Davidson and 14 more5 hr
Dec 8, 10:43 PM ESTMesoscale DiscussionSPCBenton, Carroll, Clay, Crockett, Dyer, Gibson and 12 more4 hr

Nearby

Mesoscale Discussions in North Carolina, 2018Mesoscale Discussions in Tennessee, 2018Mesoscale Discussions in Virginia, 2018Every mesoscale discussion in 2018

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.