Alert archive / Virginia / Flash Flood Watches in 2020

Flash Flood Watch 3, NWS Blacksburg, VA

May 21, 202019 counties in Virginia; 8 counties in North Carolina

NWS Blacksburg, VA issued this flash flood watch at May 21, 2020, 8:07 PM EDT for 19 counties in Virginia; 8 counties in North Carolina. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued: May 21, 2020, 8:07 PM EDT (00:07 UTC)
Expired: May 22, 2020, 7:16 PM EDT
In force: 23 hr
Issued by: NWS Blacksburg, VA
Flood severity: None

All 27 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, Bland County, VA, Carroll County, VA, City of Galax, VA, City of Martinsville, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Floyd County, VA, Franklin County, VA, Giles County, VA, Grayson County, VA, Henry County, VA, Montgomery County, VA, Patrick County, VA, Pulaski County, VA, Roanoke County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA

The radar

The Roanoke radar (KFCX), 43 km from the middle of the area, began a volume at 00:08 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 May 21, 7:11 PM EDT, 56 minutes earlier.

Area forecast discussion, May 21, 7:11 PM EDT, 56 minutes before

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Hazardous weather outlook, May 21, 3:09 PM EDT, 4 hours 58 minutes before

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In the hours before

Local storm report, May 21, 2:47 PM EDT, 5 hours 20 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
May 21, 11:49 PM EDT	Areal Flood Advisory	RNK	Campbell, Charlotte, Halifax, Pittsylvania, City of Danville	4 hr
May 21, 11:59 PM EDT	Areal Flood Warning	RNK	Floyd, Franklin, Henry, Montgomery, Patrick, Pulaski and 5 more	6 hr
May 22, 3:50 AM EDT	Dense Fog Advisory	RNK	Alleghany, Amherst, Appomattox, Bath, Bedford, Bland and 31 more	5 hr
May 22, 4:16 AM EDT	Areal Flood Warning	RNK	Botetourt, Craig, Giles	6 hr
May 22, 5:52 AM EDT	Areal Flood Warning	RNK	Floyd, Franklin, Roanoke, City of Roanoke, City of Salem	6 hr
May 22, 5:59 AM EDT	Areal Flood Warning	RNK	Montgomery, Pulaski, City of Radford	6 hr
May 22, 10:24 AM EDT	Areal Flood Warning	RNK	Botetourt, Craig, Giles	9 hr
May 22, 11:41 AM EDT	Areal Flood Warning	RNK	Montgomery, Roanoke	4 hr
May 22, 11:52 AM EDT	Areal Flood Warning	RNK	Pulaski	3 hr
May 22, 3:57 PM EDT	Special Weather Statement	RNK	Carroll, Floyd, City of Galax	48 min
May 22, 5:23 PM EDT	Special Weather Statement	RNK	Patrick	52 min
May 22, 5:47 PM EDT	Special Weather Statement	RNK	Patrick	73 min
May 22, 7:27 PM EDT	Areal Flood Warning	RNK	Botetourt, Craig	3 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.