Alert archive / Virginia / Frost Advisories in 2009

Frost Advisory 3, NWS Blacksburg, VA

May 18, 200923 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina; Mercer County, Summers County, West Virginia

NWS Blacksburg, VA issued this frost advisory at May 18, 2009, 3:57 AM EDT for 23 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina; Mercer County, Summers County, West Virginia. It took effect at May 19, 2009, 3:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: May 18, 2009, 3:57 AM EDT (07:57 UTC)
In effect from: May 19, 2009, 3:00 AM EDT
Expired: May 19, 2009, 9:00 AM EDT
In force: 6 hr
Issued by: NWS Blacksburg, VA

All 28 counties

Alleghany County, NC, Ashe County, NC, Watauga County, NC, Alleghany County, VA, Amherst County, VA, Bedford County, VA, Bland County, VA, Botetourt County, VA, City of Buena Vista, VA, City of Covington, VA, City of Lexington, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Franklin County, VA, Giles County, VA, Montgomery County, VA, Patrick County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA, Mercer County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 25 km from the middle of the area, began a volume at 07:58 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 17, 7:41 PM EDT, 8 hours 16 minutes earlier.

Area forecast discussion, May 17, 7:41 PM EDT, 8 hours 16 minutes before

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Hazardous weather outlook, May 17, 4:25 AM EDT, 23 hours 32 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 18, 3:57 AM EDT	Freeze Warning	RNK	Alleghany, Bath, Bland, Carroll, Craig, Floyd and 8 more	29 hr

Nearby

Frost Advisories in Virginia, 2009 Frost Advisories in North Carolina, 2009 Frost Advisories in West Virginia, 2009 Every frost advisory in 2009

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.