Alert archive / Virginia / Frost Advisories in 2013

Frost Advisory 1, NWS Blacksburg, VA

May 12, 201313 counties in Virginia; Alleghany County, Ashe County, North Carolina

NWS Blacksburg, VA issued this frost advisory at May 12, 2013, 4:01 PM EDT for 13 counties in Virginia; Alleghany County, Ashe County, North Carolina. It took effect at May 13, 2013, 12:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: May 12, 2013, 4:01 PM EDT (20:01 UTC)
In effect from: May 13, 2013, 12:00 AM EDT
Expired: May 13, 2013, 9:00 AM EDT
In force: 9 hr
Issued by: NWS Blacksburg, VA

Counties Alleghany County, NC, Ashe County, NC, Bland County, VA, Botetourt County, VA, City of Buena Vista, VA, City of Lexington, VA, City of Radford, VA, Craig County, VA, Grayson County, VA, Montgomery County, VA, Pulaski County, VA, Rockbridge County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA

The radar

The Roanoke radar (KFCX), 33 km from the middle of the area, began a volume at 20:04 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 frost advisory 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 frost advisory went out at May 12, 3:51 PM EDT, 10 minutes earlier.

Area forecast discussion, May 12, 3:51 PM EDT, 10 minutes before

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Hazardous weather outlook, May 12, 3:51 PM EDT, 10 minutes before

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In the hours before

Local storm report, May 12, 11:41 AM EDT, 4 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 11, 8:23 PM EDT	Special Weather Statement	RNK	Appomattox	37 min
May 12, 4:01 PM EDT	Freeze Warning	RNK	Alleghany, Bath, Giles, City of Covington	17 hr

Nearby

Frost Advisories in Virginia, 2013 Frost Advisories in North Carolina, 2013 Every frost advisory in 2013

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.