Alert archive / Maryland / River Flood Warnings in 2024

River Flood Warning 13, NWS Baltimore/Washington

January 28, 2024Montgomery County, Maryland

NWS Baltimore/Washington issued this river flood warning at Jan 28, 2024, 6:59 AM EST for Montgomery County, Maryland. It took effect at Jan 28, 2024, 9:00 AM EST. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jan 28, 2024, 6:59 AM EST (11:59 UTC)
In effect from: Jan 28, 2024, 9:00 AM EST
Expired: Jan 28, 2024, 11:57 AM EST
In force: 3 hr
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Flood severity: Minor

County Montgomery County, MD

The radar

The Sterling radar (KLWX), 30 km from the middle of the area, began a volume at 12:01 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.

The river

Written for the forecast point Seneca Creek at Dawsonville (DAWM2). The gauge peaked at 6.22 ft at Jan 28, 2024, 11:00 AM EST.

Action stage: 5 ft
Minor stage: 7.5 ft
Moderate stage: 11 ft
Major stage: 16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01645000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning 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 river flood warning went out at Jan 28, 3:45 AM EST, 3 hours 14 minutes earlier.

Area forecast discussion, Jan 28, 3:45 AM EST, 3 hours 14 minutes before

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Hazardous weather outlook, Jan 28, 4:20 AM EST, 2 hours 39 minutes before

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In the hours before

Local storm report, Jan 28, 5:03 AM EST, 1 hour 56 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
Jan 27, 9:37 PM EST	Coastal Flood Advisory	LWX	Arlington, City of Alexandria, City of Falls Church	22 hr
Jan 28, 1:02 AM EST	Small Craft Advisory	LWX		47 hr
Jan 28, 3:11 AM EST	Areal Flood Warning	LWX	Fairfax	10 hr
Jan 28, 3:13 AM EST	Areal Flood Warning	LWX	Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church	8 hr
Jan 28, 4:23 AM EST	Areal Flood Warning	LWX	Prince William	7 hr
Jan 28, 6:32 AM EST	Areal Flood Warning	LWX	Fauquier, Prince William	18 hr
Jan 28, 8:42 AM EST	Areal Flood Warning	LWX	Clarke, Frederick	8 hr
Jan 28, 9:19 AM EST	River Flood Watch	LWX	Fairfax, City of Fairfax	11 hr
Jan 28, 9:19 AM EST	River Flood Watch	LWX	Loudoun	32 hr
Jan 28, 9:19 AM EST	River Flood Watch	LWX	Loudoun	24 hr
Jan 28, 10:02 AM EST	River Flood Watch	LWX	Clarke, Warren	19 hr
Jan 28, 3:55 PM EST	Coastal Flood Advisory	LWX	Arlington, City of Alexandria, City of Falls Church	8 hr
Jan 28, 5:44 AM EST	Areal Flood Warning	LWX	Montgomery	6 hr
Jan 28, 9:19 AM EST	River Flood Warning	LWX	Washington	32 hr
Jan 28, 8:51 AM EST	River Flood Warning	LWX	Berkeley, Jefferson	21 hr
Jan 28, 9:02 AM EST	River Flood Warning	LWX	Morgan	30 hr
Jan 28, 6:04 PM EST	River Flood Warning	LWX	Hampshire, Hardy	11 hr

Nearby

River Flood Warnings in Maryland, 2024 Every river flood warning 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; the gauge from the NWS water service and the USGS.