Alert archive / Virginia / Frost Advisories in 2016

Frost Advisory 10, NWS Baltimore/Washington

October 25, 201620 counties in Virginia; 7 counties in Maryland

NWS Baltimore/Washington issued this frost advisory at Oct 25, 2016, 1:19 PM EDT for 20 counties in Virginia; 7 counties in Maryland. It took effect at Oct 26, 2016, 3:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Oct 25, 2016, 1:19 PM EDT (17:19 UTC)
In effect from: Oct 26, 2016, 3:00 AM EDT
Expired: Oct 26, 2016, 9:00 AM EDT
In force: 6 hr
Issued by: NWS Baltimore/Washington

All 27 counties

Anne Arundel County, MD, Baltimore County, MD, City of Baltimore, MD, Harford County, MD, Howard County, MD, Montgomery County, MD, Prince George's County, MD, Arlington County, VA, City of Alexandria, VA, City of Fairfax, VA, City of Falls Church, VA, City of Fredericksburg, VA, City of Harrisonburg, VA, City of Staunton, VA, City of Waynesboro, VA, Fairfax County, VA, Fauquier County, VA, Greene County, VA, Loudoun County, VA, Madison County, VA, Orange County, VA, Page County, VA, Rappahannock County, VA, Rockingham County, VA, Spotsylvania County, VA, Stafford County, VA, Warren County, VA

The radar

The Sterling radar (KLWX), 30 km from the middle of the area, began a volume at 17:19 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 Oct 24, 4:59 PM EDT, 20 hours 20 minutes earlier.

Area forecast discussion, Oct 24, 4:59 PM EDT, 20 hours 20 minutes before

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Hazardous weather outlook, Oct 24, 4:52 PM EDT, 20 hours 27 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
Oct 25, 1:28 AM EDT	Small Craft Advisory	LWX		17 hr
Oct 25, 1:19 PM EDT	Freeze Warning	LWX	Clarke, Culpeper, Fauquier, Frederick, Highland, Loudoun and 6 more	20 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.