Alert archive / Maryland / River Flood Warnings in 2016

River Flood Warning 12, NWS Baltimore/Washington

February 25, 2016Frederick County, Maryland

NWS Baltimore/Washington issued this river flood warning at Feb 25, 2016, 5:14 AM EST for Frederick County, Maryland. It took effect at Feb 25, 2016, 6:00 AM EST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued: Feb 25, 2016, 5:14 AM EST (10:14 UTC)
In effect from: Feb 25, 2016, 6:00 AM EST
Expired: Feb 25, 2016, 9:58 PM EST
In force: 16 hr
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Flood severity: Minor

County Frederick County, MD

The radar

The Sterling radar (KLWX), 56 km from the middle of the area, began a volume at 10:16 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 Monocacy River near Frederick at Interstate 70 (FDKM2). The gauge peaked at 16.51 ft at Feb 25, 2016, 3:00 PM EST.

Action stage: 13 ft
Minor stage: 15 ft
Moderate stage: 17 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01643000, 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 Feb 25, 3:18 AM EST, 1 hour 56 minutes earlier.

Area forecast discussion, Feb 25, 3:18 AM EST, 1 hour 56 minutes before

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Hazardous weather outlook, Feb 25, 5:11 AM EST, 3 minutes before

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In the hours before

Local storm report, Feb 25, 1:50 AM EST, 3 hours 24 minutes before

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Local storm report, Feb 25, 3:22 AM EST, 1 hour 52 minutes before

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  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 24, 7:08 PM EST	Special Marine Warning	LWX		97 min
Feb 24, 7:19 PM EST	Areal Flood Warning	LWX	Fauquier, Loudoun	6 hr
Feb 24, 7:59 PM EST	Coastal Flood Warning	LWX	Arlington, City of Alexandria, City of Falls Church	5 hr
Feb 24, 8:38 PM EST	Special Marine Warning	LWX		82 min
Feb 24, 10:13 PM EST	Dense Fog Advisory	LWX	Clarke, Culpeper, Fauquier, Frederick, Warren, City of Winchester	2 hr
Feb 25, 12:18 AM EST	Areal Flood Warning	LWX	Albemarle, Greene, Madison, City of Charlottesville	3 hr
Feb 24, 7:06 PM EST	Tornado Warning	LWX	Calvert, Saint Mary's	27 min
Feb 24, 7:34 PM EST	Areal Flood Warning	LWX	Harford	8 hr
Feb 24, 7:39 PM EST	Severe Thunderstorm Warning	LWX	Calvert, Saint Mary's	51 min
Feb 24, 7:43 PM EST	Tornado Warning	LWX	Saint Mary's	22 min
Feb 24, 8:20 PM EST	Tornado Warning	LWX	Saint Mary's	14 min
Feb 24, 8:44 PM EST	Coastal Flood Advisory	LWX	Anne Arundel, Baltimore, City of Baltimore	14 hr
Feb 24, 8:51 PM EST	Tornado Warning	LWX	Saint Mary's	10 min
Feb 25, 4:13 AM EST	Areal Flood Warning	LWX	Saint Mary's	3 hr
Feb 25, 5:04 AM EST	Coastal Flood Warning	LWX	Anne Arundel	4 hr
Feb 25, 11:42 AM EST	Areal Flood Warning	LWX	Prince George's	9 hr

Nearby

River Flood Warnings in Maryland, 2016 Every river flood warning 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; the gauge from the NWS water service and the USGS.