Alert archive / New Hampshire / River Flood Warnings in 2020

River Flood Warning 7, NWS Gray, ME

April 13, 2020Grafton County, New Hampshire

NWS Gray, ME issued this river flood warning at Apr 13, 2020, 8:54 PM EDT for Grafton County, New Hampshire. It took effect at Apr 13, 2020, 11:01 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Apr 13, 2020, 8:54 PM EDT (00:54 UTC)
In effect from: Apr 13, 2020, 11:01 PM EDT
Expired: Apr 14, 2020, 5:34 AM EDT
In force: 7 hr
Issued by: NWS Gray, ME
Area: Storm-based polygon
Flood severity: Minor

County Grafton County, NH

The radar

The Burlington radar (KCXX), 125 km from the middle of the area, began a volume at 00:54 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 Ammonoosuc River at Bethlehem (BETN3).

Action stage: 6 ft
Minor stage: 8 ft
Moderate stage: 12 ft
Major stage: 14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01137500, 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 Gray, ME wrote its last area forecast discussion before this river flood warning went out at Apr 13, 6:10 PM EDT, 2 hours 44 minutes earlier.

Area forecast discussion, Apr 13, 6:10 PM EDT, 2 hours 44 minutes before

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Hazardous weather outlook, Apr 13, 3:46 PM EDT, 5 hours 8 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        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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In the hours before

Local storm report, Apr 13, 8:41 PM EDT, 13 minutes before

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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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Local storm report, Apr 13, 8:45 PM EDT, 9 minutes before

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      <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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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Apr 13, 8:46 PM EDT, 8 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>
      <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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
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Local storm report, Apr 13, 8:47 PM EDT, 7 minutes before

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      <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
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  </main>
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Local storm report, Apr 13, 8:52 PM EDT, 2 minutes before

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<body>
  <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>
      <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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
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</html>

Local storm report, Apr 13, 8:53 PM EDT, 1 minute before

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<body>
  <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>
      <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.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Gray, ME issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 13, 8:36 PM EDT	Gale Warning	GYX		6 hr
Apr 13, 8:36 PM EDT	Small Craft Advisory	GYX		31 hr
Apr 13, 9:24 PM EDT	River Flood Warning	GYX	Kennebec	37 hr
Apr 14, 2:12 PM EDT	River Flood Warning	GYX	Kennebec	8 hr
Apr 13, 8:28 PM EDT	Areal Flood Warning	GYX	Belknap, Carroll, Coos, Grafton	6 hr

Nearby

River Flood Warnings in New Hampshire, 2020 Every river flood warning in 2020

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.