Alert archive / West Virginia / River Flood Warnings in 2018

River Flood Warning 5, NWS Baltimore/Washington

April 16, 2018Washington County, Maryland; Berkeley County, Jefferson County, West Virginia

NWS Baltimore/Washington issued this river flood warning at Apr 16, 2018, 10:17 PM EDT for Washington County, Maryland; Berkeley County, Jefferson County, West Virginia. It took effect at Apr 17, 2018, 5:00 PM EDT. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Apr 16, 2018, 10:17 PM EDT (02:17 UTC)
In effect from: Apr 17, 2018, 5:00 PM EDT
Expired: Apr 18, 2018, 6:02 AM EDT
In force: 13 hr
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Flood severity: Minor

Counties Washington County, MD, Berkeley County, WV, Jefferson County, WV

The radar

The Sterling radar (KLWX), 64 km from the middle of the area, began a volume at 02:16 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 Potomac River at Shepherdstown (SHEW2). The gauge peaked at 15.27 ft at Apr 18, 2018, 2:00 AM EDT.

Action stage: 8 ft
Minor stage: 15 ft
Moderate stage: 22 ft
Major stage: 25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01618000, 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 Apr 16, 1:57 PM EDT, 8 hours 20 minutes earlier.

Area forecast discussion, Apr 16, 1:57 PM EDT, 8 hours 20 minutes before

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Hazardous weather outlook, Apr 16, 4:35 PM EDT, 5 hours 42 minutes before

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    <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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <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
Apr 16, 10:27 PM EDT	River Flood Watch	LWX	Loudoun	11 hr
Apr 17, 4:08 AM EDT	Freeze Watch	LWX	Albemarle, Amherst, Augusta, Clarke, Culpeper, Fairfax and 19 more	9 hr
Apr 17, 1:24 PM EDT	Freeze Warning	LWX	Clarke, Culpeper, Fairfax, Fauquier, Frederick, Greene and 14 more	19 hr
Apr 17, 2:56 AM EDT	River Flood Warning	LWX	Morgan	5 hr

Nearby

River Flood Warnings in West Virginia, 2018 River Flood Warnings in Maryland, 2018 Every river flood warning in 2018

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.