Alert archive / Massachusetts / Areal Flood Warnings in 2016

Areal Flood Warning 18, NWS Boston/Norton, MA

October 21, 20165 counties in Massachusetts

NWS Boston/Norton, MA issued this areal flood warning at Oct 21, 2016, 9:17 PM EDT for 5 counties in Massachusetts. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 21, 2016, 9:17 PM EDT (01:17 UTC)
Expired: Oct 22, 2016, 12:15 AM EDT
In force: 3 hr
Issued by: NWS Boston/Norton, MA
Area: Storm-based polygon
Flood severity: None

Counties Essex County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA

The radar

The Boston radar (KBOX), 42 km from the middle of the area, began a volume at 01:15 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.

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Oct 21, 8:37 PM EDT, 40 minutes before

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Local storm report, Oct 21, 8:50 PM EDT, 27 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.
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    </section>
  </main>
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</body>
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The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 21, 8:08 PM EDT	Severe Thunderstorm Warning	BOX	Middlesex, Norfolk, Suffolk	52 min
Oct 21, 8:11 PM EDT	Areal Flood Warning	BOX	Middlesex, Norfolk, Worcester	2 hr
Oct 21, 8:28 PM EDT	Flash Flood Warning	BOX	Middlesex, Norfolk, Worcester	2 hr
Oct 21, 9:01 PM EDT	Areal Flood Warning	BOX	Worcester	3 hr
Oct 21, 9:58 PM EDT	Flash Flood Warning	BOX	Essex, Middlesex, Norfolk, Plymouth, Suffolk	2 hr
Oct 21, 10:11 PM EDT	Areal Flood Advisory	BOX	Barnstable, Bristol, Dukes, Norfolk, Plymouth	2 hr
Oct 22, 4:04 AM EDT	Wind Advisory	BOX	Barnstable, Bristol, Dukes, Essex, Franklin, Hampden and 7 more	38 hr
Oct 21, 8:04 PM EDT	Flash Flood Warning	BOX	Kent, Providence	116 min

Nearby

Areal Flood Warnings in Massachusetts, 2016 Every areal 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.