Alert archive / Wisconsin / River Flood Watches in 2020

River Flood Watch 3, NWS Milwaukee, WI

March 19, 2020Green County, Rock County, Wisconsin; Winnebago County, Illinois

NWS Milwaukee, WI issued this river flood watch at Mar 19, 2020, 10:51 AM CDT for Green County, Rock County, Wisconsin; Winnebago County, Illinois. It took effect at Mar 21, 2020, 4:00 AM CDT. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued: Mar 19, 2020, 10:51 AM CDT (15:51 UTC)
In effect from: Mar 21, 2020, 4:00 AM CDT
Expired: Mar 22, 2020, 1:00 PM CDT
In force: 33 hr
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Flood severity: None

Counties Winnebago County, IL, Green County, WI, Rock County, WI

The radar

The Milwaukee radar (KMKX), 75 km from the middle of the area, began a volume at 15:52 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 Sugar River at Brodhead (BROW3). The gauge peaked at 4.34 ft at Mar 22, 2020, 3:00 PM CDT.

Action stage: 4.5 ft
Minor stage: 5 ft
Moderate stage: 8 ft
Major stage: 10 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05436500, 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Milwaukee, WI wrote its last area forecast discussion before this river flood watch went out at Mar 19, 9:59 AM CDT, 52 minutes earlier.

Area forecast discussion, Mar 19, 9:59 AM CDT, 52 minutes before

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Hazardous weather outlook, Mar 19, 3:51 AM CDT, 7 hours 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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    </section>
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</body>
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The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 19, 2:56 AM CDT	Gale Warning	MKX		40 hr
Mar 19, 7:29 AM CDT	Marine Dense Fog Advisory	MKX		9 hr
Mar 19, 10:51 AM CDT	River Flood Watch	MKX	Rock	21 days
Mar 19, 10:51 AM CDT	River Flood Watch	MKX	Green	5 days

Nearby

River Flood Watches in Wisconsin, 2020 River Flood Watches in Illinois, 2020 Every river flood watch 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.