Alert archive / Virginia / Flood Watches in 2024

Flood Watch 21, NWS Baltimore/Washington

August 7, 202432 counties in Virginia; 12 counties in Maryland; 8 counties in West Virginia

NWS Baltimore/Washington issued this flood watch at Aug 7, 2024, 2:43 PM EDT for 32 counties in Virginia; 12 counties in Maryland; 8 counties in West Virginia. It took effect at Aug 8, 2024, 5:09 PM EDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued: Aug 7, 2024, 2:43 PM EDT (18:43 UTC)
In effect from: Aug 8, 2024, 5:09 PM EDT
Expired: Aug 9, 2024, 11:59 AM EDT
In force: 19 hr
Issued by: NWS Baltimore/Washington
Flood severity: None

All 52 counties

Allegany County, MD, Anne Arundel County, MD, Baltimore County, MD, Carroll County, MD, Cecil 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, Albemarle County, VA, Amherst County, VA, Arlington County, VA, Augusta County, VA, City of Alexandria, VA, City of Charlottesville, VA, City of Fairfax, VA, City of Falls Church, VA, City of Harrisonburg, VA, City of Manassas, VA, City of Manassas Park, VA, City of Staunton, VA, City of Waynesboro, VA, City of Winchester, VA, Clarke County, VA, Culpeper County, VA, Fairfax County, VA, Fauquier County, VA, Frederick County, VA, Greene County, VA, Highland County, VA, Loudoun County, VA, Madison County, VA, Nelson County, VA, Orange County, VA, Page County, VA, Prince William County, VA, Rappahannock County, VA, Rockbridge 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), 47 km from the middle of the area, began a volume at 18:44 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 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 flood watch went out at Aug 7, 10:38 AM EDT, 4 hours 5 minutes earlier.

Area forecast discussion, Aug 7, 10:38 AM EDT, 4 hours 5 minutes before

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Hazardous weather outlook, Aug 7, 1:45 PM EDT, 58 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
Aug 7, 4:34 AM EDT	Small Craft Advisory	LWX		39 hr
Aug 7, 12:22 PM EDT	Gale Watch	LWX		14 hr
Aug 6, 11:00 PM EDT	Flash Flood Warning	LWX	Washington	3 hr
Aug 7, 12:05 AM EDT	Areal Flood Warning	LWX	Baltimore, Carroll, Harford	3 hr
Aug 7, 12:32 PM EDT	Coastal Flood Watch	LWX	Anne Arundel	27 hr
Aug 7, 7:04 PM EDT	Flash Flood Warning	LWX	Frederick	72 min

Nearby

Flood Watches in Virginia, 2024 Flood Watches in Maryland, 2024 Flood Watches in West Virginia, 2024 Every flood watch in 2024

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.