Alert archive / Virginia / Flash Flood Watches in 2020

Flash Flood Watch 15, NWS Blacksburg, VA

August 31, 202016 counties in Virginia; 8 counties in North Carolina

NWS Blacksburg, VA issued this flash flood watch at Aug 31, 2020, 3:10 AM EDT for 16 counties in Virginia; 8 counties in North Carolina. It took effect at Aug 31, 2020, 8:00 AM EDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Aug 31, 2020, 3:10 AM EDT (07:10 UTC)
In effect from: Aug 31, 2020, 8:00 AM EDT
Expired: Aug 31, 2020, 11:59 PM EDT
In force: 16 hr
Issued by: NWS Blacksburg, VA
Flood severity: None

All 24 counties

Alleghany County, NC, Ashe County, NC, Rockingham County, NC, Stokes County, NC, Surry County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Bedford County, VA, Campbell County, VA, Carroll County, VA, City of Danville, VA, City of Galax, VA, City of Lynchburg, VA, City of Martinsville, VA, City of Roanoke, VA, City of Salem, VA, Floyd County, VA, Franklin County, VA, Grayson County, VA, Henry County, VA, Patrick County, VA, Pittsylvania County, VA, Roanoke County, VA

The radar

The Roanoke radar (KFCX), 31 km from the middle of the area, began a volume at 07:12 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.

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Blacksburg, VA wrote its last area forecast discussion before this flash flood watch went out at Aug 31, 1:26 AM EDT, 1 hour 44 minutes earlier.

Area forecast discussion, Aug 31, 1:26 AM EDT, 1 hour 44 minutes before

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Hazardous weather outlook, Aug 30, 9:04 PM EDT, 6 hours 6 minutes before

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The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 31, 4:02 AM EDT	Special Weather Statement	RNK	Grayson	43 min
Aug 31, 6:17 AM EDT	Special Weather Statement	RNK	Alleghany, Bath, City of Covington	43 min
Aug 31, 9:51 AM EDT	Special Weather Statement	RNK	Patrick	39 min
Aug 31, 10:48 AM EDT	Areal Flood Advisory	RNK	Roanoke, City of Roanoke	4 hr
Aug 31, 11:07 AM EDT	Special Weather Statement	RNK	Henry, City of Martinsville	38 min
Aug 31, 11:29 AM EDT	Areal Flood Advisory	RNK	Bedford	4 hr
Aug 31, 11:56 AM EDT	Areal Flood Advisory	RNK	Franklin, Henry, Patrick	3 hr
Aug 31, 12:04 PM EDT	Flash Flood Warning	RNK	Patrick	4 hr
Aug 31, 12:16 PM EDT	Areal Flood Advisory	RNK	Amherst, Bedford, Campbell, Franklin, Pittsylvania, City of Lynchburg	4 hr
Aug 31, 12:20 PM EDT	Flash Flood Warning	RNK	Roanoke, City of Roanoke, City of Salem	2 hr
Aug 31, 1:05 PM EDT	Areal Flood Advisory	RNK	Franklin, Henry, Pittsylvania, City of Martinsville	107 min
Aug 31, 1:17 PM EDT	Special Weather Statement	RNK	Franklin	28 min
Aug 31, 2:36 PM EDT	Areal Flood Advisory	RNK	Floyd, Franklin, Montgomery	114 min
Aug 31, 2:51 PM EDT	Areal Flood Advisory	RNK	Amherst, Appomattox, Buckingham	3 hr
Aug 31, 2:55 PM EDT	Special Weather Statement	RNK	Halifax	35 min
Aug 31, 3:30 PM EDT	Special Weather Statement	RNK	Charlotte	45 min
Aug 31, 4:11 PM EDT	Special Weather Statement	RNK	Charlotte	34 min
Aug 31, 3:17 AM EDT	Special Weather Statement	RNK	Wilkes	58 min
Aug 31, 5:09 PM EDT	Areal Flood Advisory	RNK	Rockingham	3 hr
Aug 31, 9:26 AM EDT	Areal Flood Advisory	RNK	Greenbrier	4 hr

Nearby

Flash Flood Watches in Virginia, 2020 Flash Flood Watches in North Carolina, 2020 Every flash flood watch 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.