Alert archive / Tennessee / Mesoscale Discussions in 2020

Mesoscale Discussion 1333

July 24, 20208 counties in North Carolina; 16 counties in Tennessee; 7 counties in Virginia

The Storm Prediction Center issued this mesoscale discussion at Jul 24, 2020, 6:09 PM EDT for 8 counties in North Carolina; 16 counties in Tennessee; 7 counties in Virginia. It was in force for 66 min.

The area

The outline as issued.

The facts

Issued
Jul 24, 2020, 6:09 PM EDT (22:09 UTC)
Expired
Jul 24, 2020, 7:15 PM EDT
In force
66 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
5%
All 31 counties

Alleghany County, NC, Ashe County, NC, Avery County, NC, Cherokee County, NC, Graham County, NC, Mitchell County, NC, Swain County, NC, Watauga County, NC, Blount County, TN, Carter County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Monroe County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Washington County, TN, City of Bristol, VA, City of Norton, VA, Grayson County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Washington County, VA

The radar

The Knoxville radar (KMRX), 50 km from the middle of the area, began a volume at 22:09 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
Jul 24, 1:43 PM EDTMesoscale DiscussionSPCGraham, Henderson, Jackson, Macon, Polk, Swain and 1 more92 min
Jul 24, 4:22 PM EDTMesoscale DiscussionSPCAlbemarle, Amelia, Amherst, Appomattox, Augusta, Bedford and 75 more83 min

Nearby

Mesoscale Discussions in Tennessee, 2020Mesoscale Discussions in North Carolina, 2020Mesoscale Discussions in Virginia, 2020Every mesoscale discussion in 2020

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.