Alert archive / Wisconsin / River Flood Watches in 2018

River Flood Watch 2, NWS Milwaukee, WI

February 18, 2018Lafayette County, Wisconsin

NWS Milwaukee, WI issued this river flood watch at Feb 18, 2018, 9:31 PM CST for Lafayette County, Wisconsin. It took effect at Feb 20, 2018, 10:54 PM CST. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued: Feb 18, 2018, 9:31 PM CST (03:31 UTC)
In effect from: Feb 20, 2018, 10:54 PM CST
Expired: Feb 22, 2018, 6:00 AM CST
In force: 31 hr
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Flood severity: None

County Lafayette County, WI

The radar

The Quad Cities radar (KDVN), 122 km from the middle of the area, began a volume at 03:34 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 Pecatonica River near Blanchardville (BCHW3). The gauge peaked at 15.98 ft at Feb 21, 2018, 9:00 AM CST.

Action stage: 9 ft
Minor stage: 11 ft
Moderate stage: 14 ft
Major stage: 16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05433000, 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 Feb 18, 9:00 PM CST, 31 minutes earlier.

Area forecast discussion, Feb 18, 9:00 PM CST, 31 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>

Hazardous weather outlook, Feb 18, 9:10 PM CST, 21 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 Milwaukee, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 18, 8:38 PM CST	Small Craft Advisory	MKX		7 hr
Feb 18, 9:31 PM CST	River Flood Watch	MKX	Kenosha	7 days
Feb 18, 9:31 PM CST	River Flood Watch	MKX	Rock	3 days
Feb 19, 3:21 AM CST	Winter Weather Advisory	MKX	Columbia, Dodge, Fond du Lac, Green Lake, Marquette, Sauk and 1 more	35 hr
Feb 19, 4:06 AM CST	Small Craft Advisory	MKX		26 hr
Feb 19, 1:01 PM CST	Dense Fog Advisory	MKX	Columbia, Dane, Dodge, Green, Iowa, Jefferson and 10 more	18 hr
Feb 19, 1:11 PM CST	Marine Dense Fog Advisory	MKX		23 hr

Nearby

River Flood Watches in Wisconsin, 2018 Every river flood watch in 2018

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.