Alert archive / Maryland / Flood Watches in 2022

Flood Watch 21, NWS Baltimore/Washington

September 5, 20226 counties in Virginia; 10 counties in Maryland

NWS Baltimore/Washington issued this flood watch at Sep 5, 2022, 9:06 PM EDT for 6 counties in Virginia; 10 counties in Maryland. It took effect at Sep 6, 2022, 4:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: Sep 5, 2022, 9:06 PM EDT (01:06 UTC)
In effect from: Sep 6, 2022, 4:00 AM EDT
Expired: Sep 6, 2022, 9:09 AM EDT
In force: 5 hr
Issued by: NWS Baltimore/Washington
Flood severity: None

Counties 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, Arlington County, VA, City of Alexandria, VA, City of Fairfax, VA, City of Falls Church, VA, Fairfax County, VA, Loudoun County, VA

The radar

The Sterling radar (KLWX), 51 km from the middle of the area, began a volume at 01:10 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.

Hazardous weather outlook, Sep 5, 8:54 PM EDT, 12 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
Sep 6, 12:55 AM EDT	Small Craft Advisory	LWX		19 hr
Sep 6, 12:30 PM EDT	Small Craft Advisory	LWX		70 hr
Sep 6, 5:37 AM EDT	Areal Flood Warning	LWX	Carroll, Frederick, Howard, Montgomery	3 hr

Nearby

Flood Watches in Maryland, 2022 Flood Watches in Virginia, 2022 Every flood watch in 2022

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.