Alert archive / Virginia / Heat Advisories in 2012

Heat Advisory 13, NWS Baltimore/Washington

July 25, 201222 counties in Virginia; 10 counties in Maryland; Berkeley County, Jefferson County, Morgan County, West Virginia

NWS Baltimore/Washington issued this heat advisory at Jul 25, 2012, 2:08 PM EDT for 22 counties in Virginia; 10 counties in Maryland; Berkeley County, Jefferson County, Morgan County, West Virginia. It took effect at Jul 26, 2012, 12:00 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jul 25, 2012, 2:08 PM EDT (18:08 UTC)
In effect from: Jul 26, 2012, 12:00 PM EDT
Expired: Jul 26, 2012, 7:58 PM EDT
In force: 8 hr
Issued by: NWS Baltimore/Washington

All 35 counties

Anne Arundel County, MD, Baltimore County, MD, Calvert County, MD, Carroll County, MD, Charles County, MD, City of Baltimore, MD, Frederick County, MD, Prince George's County, MD, Saint Mary's County, MD, Washington County, MD, Arlington County, VA, City of Alexandria, VA, City of Charlottesville, VA, City of Fairfax, VA, City of Falls Church, VA, City of Fredericksburg, VA, City of Winchester, VA, Clarke County, VA, Culpeper County, VA, Fairfax County, VA, Fauquier County, VA, Frederick County, VA, Greene County, VA, King George County, VA, Madison County, VA, Nelson County, VA, Orange County, VA, Page County, VA, Rappahannock County, VA, Spotsylvania County, VA, Stafford County, VA, Warren County, VA, Berkeley County, WV, Jefferson County, WV, Morgan County, WV

The radar

The Sterling radar (KLWX), 22 km from the middle of the area, began a volume at 18:09 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 heat 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 heat advisory went out at Jul 25, 9:56 AM EDT, 4 hours 12 minutes earlier.

Area forecast discussion, Jul 25, 9:56 AM EDT, 4 hours 12 minutes before

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Hazardous weather outlook, Jul 25, 11:40 AM EDT, 2 hours 28 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
Jul 25, 1:30 AM EDT	Small Craft Advisory	LWX		48 hr

Nearby

Heat Advisories in Virginia, 2012 Heat Advisories in Maryland, 2012 Heat Advisories in West Virginia, 2012 Every heat advisory in 2012

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.