Alert archive / Iowa / River Flood Watches in 2018

River Flood Watch 65, NWS Des Moines, IA

October 7, 2018Dallas County, Polk County, Iowa

NWS Des Moines, IA issued this river flood watch at Oct 7, 2018, 10:05 PM CDT for Dallas County, Polk County, Iowa. It took effect at Oct 11, 2018, 8:12 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued
Oct 7, 2018, 10:05 PM CDT (03:05 UTC)
In effect from
Oct 11, 2018, 8:12 AM CDT
Expired
Oct 9, 2018, 11:34 AM CDT
In force
Issued by
NWS Des Moines, IA
Area
Storm-based polygon
Flood severity
None

Counties Dallas County, IA, Polk County, IA

The radar

The Des Moines radar (KDMX), 9 km from the middle of the area, began a volume at 03:04 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 Raccoon River at Van Meter (VNMI4). The gauge peaked at 15.48 ft at Oct 10, 2018, 10:00 AM CDT.

actionminormoderatemajor10152010/0810/0910/10
Action stage
15 ft
Minor stage
17 ft
Moderate stage
22 ft
Major stage
23 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05484500, 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 Des Moines, IA wrote its last area forecast discussion before this river flood watch went out at Oct 7, 6:42 PM CDT, 3 hours 23 minutes earlier.

Area forecast discussion, Oct 7, 6:42 PM CDT, 3 hours 23 minutes before
<!doctype html>
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    <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.
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      <p id="message2">
        Please try again in a few minutes.
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      <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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Hazardous weather outlook, Oct 7, 4:16 PM CDT, 5 hours 49 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 Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 7, 10:05 PM CDTRiver Flood WatchDMXWright6 days
Oct 7, 10:05 PM CDTRiver Flood WatchDMXBoone, Hamilton, Webster54 hr
Oct 7, 10:05 PM CDTRiver Flood WatchDMXPalo Alto, Pocahontas24 hr
Oct 7, 10:05 PM CDTRiver Flood WatchDMXCerro Gordo, Floyd, Worth4 days
Oct 7, 10:05 PM CDTRiver Flood WatchDMXBlack Hawk, Bremer, Butler36 hr
Oct 8, 10:40 AM CDTAreal Flood WarningDMXAppanoose, Lucas, Mahaska, Marion, Monroe, Wayne24 hr
Oct 8, 11:38 AM CDTRiver Flood WarningDMXTama8 days
Oct 8, 11:38 AM CDTRiver Flood WarningDMXBlack Hawk9 days
Oct 8, 11:38 AM CDTRiver Flood WarningDMXBlack Hawk6 days
Oct 8, 11:38 AM CDTRiver Flood WarningDMXWebster4 days
Oct 8, 11:38 AM CDTRiver Flood WarningDMXDavis, Wapello91 min
Oct 8, 11:38 AM CDTRiver Flood WarningDMXHumboldt5 days
Oct 8, 11:39 AM CDTRiver Flood WatchDMXDavis, Wapello4 days
Oct 8, 6:12 PM CDTSevere Thunderstorm WarningDMXCarroll, Dallas, Greene, Guthrie48 min
Oct 8, 6:14 PM CDTSevere Thunderstorm WarningDMXAppanoose, Wayne46 min
Oct 8, 6:29 PM CDTTornado WarningDMXBoone, Dallas, Greene, Guthrie31 min
Oct 8, 6:35 PM CDTSevere Thunderstorm WarningDMXDecatur, Ringgold40 min
Oct 8, 6:36 PM CDTTornado WarningDMXAppanoose24 min
Oct 8, 6:47 PM CDTTornado WarningDMXDecatur, Ringgold43 min
Oct 8, 6:55 PM CDTTornado Warning Tornado observedDMXBoone, Dallas, Greene24 min

Nearby

River Flood Watches in Iowa, 2018Every 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.