Alert archive / Virginia / Frost Advisories in 2016

Frost Advisory 12, NWS Baltimore/Washington

November 6, 20167 counties in Virginia; 7 counties in Maryland

NWS Baltimore/Washington issued this frost advisory at Nov 6, 2016, 2:35 PM EST for 7 counties in Virginia; 7 counties in Maryland. It took effect at Nov 7, 2016, 3:00 AM EST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Nov 6, 2016, 2:35 PM EST (19:35 UTC)
In effect from: Nov 7, 2016, 3:00 AM EST
Expired: Nov 7, 2016, 8:54 AM EST
In force: 6 hr
Issued by: NWS Baltimore/Washington

Counties Anne Arundel County, MD, Baltimore County, MD, Charles County, MD, City of Baltimore, MD, Howard County, MD, Montgomery County, MD, Prince George's County, MD, Arlington County, VA, City of Alexandria, VA, City of Falls Church, VA, City of Fredericksburg, VA, King George County, VA, Spotsylvania County, VA, Stafford County, VA

The radar

The Sterling radar (KLWX), 42 km from the middle of the area, began a volume at 19:33 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 Baltimore/Washington wrote its last area forecast discussion before this frost advisory went out at Nov 6, 2:33 PM EST, 2 minutes earlier.

Area forecast discussion, Nov 6, 2:33 PM EST, 2 minutes before

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Hazardous weather outlook, Nov 6, 5:06 AM EST, 9 hours 29 minutes before

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The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 6, 3:09 AM EST	Small Craft Advisory	LWX		35 hr
Nov 6, 2:35 PM EST	Freeze Warning	LWX	Fairfax, City of Fairfax	15 hr

Nearby

Frost Advisories in Virginia, 2016 Frost Advisories in Maryland, 2016 Every frost advisory in 2016

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.