Alert archive / Virginia / Flash Flood Watches in 2016

Flash Flood Watch 9, NWS Baltimore/Washington

July 28, 201619 counties in Virginia; 11 counties in Maryland; 8 counties in West Virginia

NWS Baltimore/Washington issued this flash flood watch at Jul 28, 2016, 4:45 AM EDT for 19 counties in Virginia; 11 counties in Maryland; 8 counties in West Virginia. It took effect at Jul 28, 2016, 2:13 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Jul 28, 2016, 4:45 AM EDT (08:45 UTC)
In effect from: Jul 28, 2016, 2:13 PM EDT
Expired: Jul 28, 2016, 9:20 PM EDT
In force: 7 hr
Issued by: NWS Baltimore/Washington
Flood severity: None

All 38 counties

Allegany County, MD, Anne Arundel County, MD, Baltimore County, MD, Carroll County, MD, City of Baltimore, MD, Frederick County, MD, Harford County, MD, Howard County, MD, Montgomery County, MD, Prince George's County, MD, Washington County, MD, Arlington County, VA, City of Alexandria, VA, City of Fairfax, VA, City of Falls Church, VA, City of Harrisonburg, VA, City of Winchester, VA, Clarke County, VA, Fairfax County, VA, Fauquier County, VA, Frederick County, VA, Greene County, VA, Highland County, VA, Loudoun County, VA, Madison County, VA, Page County, VA, Rappahannock County, VA, Rockingham County, VA, Shenandoah County, VA, Warren County, VA, Berkeley County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Jefferson County, WV, Mineral County, WV, Morgan County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 37 km from the middle of the area, began a volume at 08:45 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 flash flood watch 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 flash flood watch went out at Jul 28, 4:00 AM EDT, 45 minutes earlier.

Area forecast discussion, Jul 28, 4:00 AM EDT, 45 minutes before

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Hazardous weather outlook, Jul 27, 5:25 PM EDT, 11 hours 20 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 28, 5:04 AM EDT	Small Craft Advisory	LWX		30 hr
Jul 28, 2:57 PM EDT	Severe Thunderstorm Warning	LWX	Clarke, Frederick, Warren	17 min
Jul 28, 3:01 PM EDT	Special Marine Warning	LWX		59 min
Jul 28, 3:20 PM EDT	Special Marine Warning	LWX		85 min
Jul 28, 4:25 PM EDT	Special Marine Warning	LWX		95 min
Jul 28, 4:44 PM EDT	Special Marine Warning	LWX		91 min
Jul 28, 5:17 PM EDT	Special Marine Warning	LWX		88 min
Jul 28, 5:29 PM EDT	Special Marine Warning	LWX		91 min
Jul 28, 5:50 PM EDT	Special Marine Warning	LWX		85 min
Jul 28, 5:50 PM EDT	Severe Thunderstorm Warning	LWX	Spotsylvania, Stafford, City of Fredericksburg	23 min
Jul 28, 5:59 PM EDT	Special Marine Warning	LWX		91 min
Jul 28, 6:07 PM EDT	Special Marine Warning	LWX		83 min
Jul 28, 6:31 PM EDT	Special Marine Warning	LWX		59 min
Jul 28, 6:37 PM EDT	Special Marine Warning	LWX		83 min
Jul 28, 7:25 PM EDT	Special Marine Warning	LWX		95 min
Jul 28, 2:58 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Harford	47 min
Jul 28, 4:27 PM EDT	Areal Flood Warning	LWX	Montgomery	10 hr
Jul 28, 4:31 PM EDT	Flash Flood Warning	LWX	Montgomery	3 hr
Jul 28, 5:43 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel	18 min
Jul 28, 12:44 PM EDT	Areal Flood Warning	LWX	Grant, Mineral	6 hr
Jul 28, 2:19 PM EDT	Areal Flood Warning	LWX	Berkeley, Morgan	6 hr

Nearby

Flash Flood Watches in Virginia, 2016 Flash Flood Watches in Maryland, 2016 Flash Flood Watches in West Virginia, 2016 Every flash flood watch 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.