Alert archive / Iowa / River Flood Watches in 2017

River Flood Watch 2, NWS Quad Cities, IA

January 17, 2017Louisa County, Iowa

NWS Quad Cities, IA issued this river flood watch at Jan 17, 2017, 2:41 PM CST for Louisa County, Iowa. It took effect at Jan 17, 2017, 11:00 PM CST. It was in force for 7 days.

The area

The counties it named.

The facts

Issued: Jan 17, 2017, 2:41 PM CST (20:41 UTC)
In effect from: Jan 17, 2017, 11:00 PM CST
Expired: Jan 25, 2017, 12:00 AM CST
In force: 7 days
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: None

County Louisa County, IA

The radar

The Quad Cities radar (KDVN), 72 km from the middle of the area, began a volume at 20:38 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 Iowa River at Columbus Jct (CJTI4).

Action stage: 19 ft
Minor stage: 23 ft
Moderate stage: 25 ft
Major stage: 26.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05465100, 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 Quad Cities, IA wrote its last area forecast discussion before this river flood watch went out at Jan 17, 12:00 PM CST, 2 hours 41 minutes earlier.

Area forecast discussion, Jan 17, 12:00 PM CST, 2 hours 41 minutes before

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Hazardous weather outlook, Jan 17, 1:06 PM CST, 1 hour 35 minutes before

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  <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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In the hours before

Local storm report, Jan 17, 9:00 AM CST, 5 hours 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
900 AM CST TUE JAN 17 2017

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

0858 AM     HEAVY RAIN       3 ENE ROCK FALLS        41.80N 89.64W
01/17/2017  M1.65 INCH       WHITESIDE          IL   TRAINED SPOTTER

            THUNDER AND LIGHTNING LAST NIGHT. STORM TOTAL

&&

DC

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 16, 10:08 PM CST	River Flood Warning	DVN	Iowa	5 days
Jan 17, 4:46 AM CST	River Flood Warning	DVN	Johnson, Washington	31 hr
Jan 17, 11:36 AM CST	River Flood Warning	DVN	Whiteside	52 hr
Jan 17, 11:36 AM CST	River Flood Warning	DVN	Henry, Rock Island	7 days
Jan 17, 12:41 PM CST	Flash Flood Watch	DVN	Henry	27 hr
Jan 17, 1:17 PM CST	Areal Flood Warning	DVN	Henry	24 hr

Nearby

River Flood Watches in Iowa, 2017 Every river flood watch in 2017

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.