Alert archive / New Hampshire / River Flood Warnings in 2019

River Flood Warning 2, NWS Gray, ME

January 24, 2019Merrimack County, New Hampshire

NWS Gray, ME issued this river flood warning at Jan 24, 2019, 4:56 PM EST for Merrimack County, New Hampshire. It took effect at Jan 24, 2019, 10:26 PM EST. It was in force for 39 hr.

The area

The counties it named.

The facts

Issued: Jan 24, 2019, 4:56 PM EST (21:56 UTC)
In effect from: Jan 24, 2019, 10:26 PM EST
Expired: Jan 26, 2019, 1:00 PM EST
In force: 39 hr
Issued by: NWS Gray, ME
Area: Storm-based polygon
Flood severity: Minor

County Merrimack County, NH

The radar

The Portland,ME radar (KGYX), 132 km from the middle of the area, began a volume at 22:00 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 Suncook River at North Chichester (NCHN3). The gauge peaked at 9.02 ft at Jan 25, 2019, 4:00 AM EST.

Action stage: 6 ft
Minor stage: 7 ft
Moderate stage: 12 ft
Major stage: 16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01089500, 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 Jan 23, 5:18 PM EST, 23 hours 38 minutes earlier.

Area forecast discussion, Jan 23, 5:18 PM EST, 23 hours 38 minutes before

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Hazardous weather outlook, Jan 23, 5:17 PM EST, 23 hours 39 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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
Jan 24, 3:42 AM EST	Flood Watch	GYX	Cumberland, York	15 hr
Jan 24, 11:25 AM EST	Coastal Flood Advisory	GYX	Cumberland, Knox, Lincoln, Sagadahoc, Waldo, York	4 hr
Jan 24, 2:01 PM EST	Areal Flood Warning	GYX	York	6 hr
Jan 24, 4:29 PM EST	Areal Flood Warning	GYX	Cumberland, Oxford, York	6 hr
Jan 24, 5:11 PM EST	Areal Flood Warning	GYX	Androscoggin, Cumberland, Kennebec, Knox, Lincoln, Oxford and 2 more	5 hr
Jan 24, 4:56 PM EST	River Flood Warning	GYX	Grafton	11 hr

Nearby

River Flood Warnings in New Hampshire, 2019 Every river flood warning in 2019

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.