Alert archive / Iowa / Flood Watches in 2015

Flood Watch 1, NWS Des Moines, IA

December 13, 20157 counties in Iowa

NWS Des Moines, IA issued this flood watch at Dec 13, 2015, 7:47 AM CST for 7 counties in Iowa. It took effect at Dec 13, 2015, 4:00 PM CST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued: Dec 13, 2015, 7:47 AM CST (13:47 UTC)
In effect from: Dec 13, 2015, 4:00 PM CST
Expired: Dec 14, 2015, 9:00 AM CST
In force: 17 hr
Issued by: NWS Des Moines, IA
Flood severity: None

Counties Black Hawk County, IA, Dallas County, IA, Grundy County, IA, Marshall County, IA, Polk County, IA, Story County, IA, Tama County, IA

The radar

The Des Moines radar (KDMX), 63 km from the middle of the area, began a volume at 13:51 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 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 flood watch went out at Dec 13, 5:56 AM CST, 1 hour 51 minutes earlier.

Area forecast discussion, Dec 13, 5:56 AM CST, 1 hour 51 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, Dec 13, 5:10 AM CST, 2 hours 37 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>

In the hours before

Local storm report, Dec 13, 7:20 AM CST, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
720 AM CST SUN DEC 13 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       JANESVILLE              42.64N 92.46W
12/13/2015  E2.75 INCH       BREMER             IA   BROADCAST MEDIA

            VIA KWWL TV

&&

BF

Local storm report, Dec 13, 7:21 AM CST, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
721 AM CST SUN DEC 13 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       TRIPOLI                 42.81N 92.26W
12/13/2015  E2.98 INCH       BREMER             IA   CO-OP OBSERVER

&&

BF

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 13, 2:13 AM CST	Flash Flood Warning	DMX	Black Hawk, Grundy, Hardin, Marshall, Story, Tama	6 hr
Dec 13, 1:03 PM CST	River Flood Warning	DMX	Black Hawk	5 days
Dec 13, 1:03 PM CST	River Flood Warning	DMX	Polk	12 days
Dec 13, 1:03 PM CST	River Flood Warning	DMX	Davis, Wapello	66 hr
Dec 13, 1:03 PM CST	River Flood Warning	DMX	Polk	9 days
Dec 13, 1:03 PM CST	River Flood Warning	DMX	Dallas, Greene	8 days
Dec 13, 1:03 PM CST	River Flood Warning	DMX	Black Hawk	7 days

Nearby

Flood Watches in Iowa, 2015 Every flood watch in 2015

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.