Alert archive / Massachusetts / River Flood Warnings in 2023

River Flood Warning 10, NWS Boston/Norton, MA

March 16, 2023Essex County, Massachusetts

NWS Boston/Norton, MA issued this river flood warning at Mar 16, 2023, 12:03 AM EDT for Essex County, Massachusetts. It took effect at Mar 16, 2023, 8:00 AM EDT. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Mar 16, 2023, 12:03 AM EDT (04:03 UTC)
In effect from
Mar 16, 2023, 8:00 AM EDT
Expired
Mar 17, 2023, 5:17 AM EDT
In force
21 hr
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Flood severity
Minor

County Essex County, MA

The radar

The Boston radar (KBOX), 79 km from the middle of the area, began a volume at 04:04 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 Shawsheen River at Andover (ANDM3).

Action stage
28 ft
Minor stage
29 ft
Moderate stage
32 ft
Major stage
35 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01100627, 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 Boston/Norton, MA wrote its last area forecast discussion before this river flood warning went out at Mar 15, 7:48 PM EDT, 4 hours 15 minutes earlier.

Area forecast discussion, Mar 15, 7:48 PM EDT, 4 hours 15 minutes before
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Hazardous weather outlook, Mar 15, 4:07 PM EDT, 7 hours 56 minutes before
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<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.
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Nearby

River Flood Warnings in Massachusetts, 2023Every river flood warning in 2023

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.