Alert archive / Iowa / Flash Flood Watches in 2008

Flash Flood Watch 1, NWS Sioux Falls, SD

May 29, 2008Clay County, Union County, Yankton County, South Dakota; 10 counties in Iowa

NWS Sioux Falls, SD issued this flash flood watch at May 29, 2008, 3:28 AM CDT for Clay County, Union County, Yankton County, South Dakota; 10 counties in Iowa. It took effect at May 29, 2008, 9:38 AM CDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: May 29, 2008, 3:28 AM CDT (08:28 UTC)
In effect from: May 29, 2008, 9:38 AM CDT
Expired: May 30, 2008, 3:25 AM CDT
In force: 18 hr
Issued by: NWS Sioux Falls, SD
Flood severity: None

Counties Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Clay County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 99 km from the middle of the area, began a volume at 08:32 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 flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before this flash flood watch went out at May 28, 9:30 PM CDT, 5 hours 58 minutes earlier.

Area forecast discussion, May 28, 9:30 PM CDT, 5 hours 58 minutes before

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Hazardous weather outlook, May 28, 11:53 AM CDT, 15 hours 35 minutes before

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  <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.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 29, 5:47 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Yankton	28 min
May 29, 6:01 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme	14 min
May 29, 6:05 PM CDT	Tornado Warning	FSD	Bon Homme	25 min
May 29, 6:16 PM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Yankton	29 min
May 29, 6:21 PM CDT	Flash Flood Warning	FSD	Bon Homme, Yankton	114 min
May 29, 6:29 PM CDT	Tornado Warning	FSD	Bon Homme, Yankton	31 min
May 29, 6:35 PM CDT	Tornado Warning	FSD	Bon Homme	25 min
May 29, 6:47 PM CDT	Severe Thunderstorm Warning	FSD	Hutchinson, Turner	28 min
May 29, 6:51 PM CDT	Severe Thunderstorm Warning	FSD	Yankton	24 min
May 29, 6:54 PM CDT	Tornado Warning	FSD	Yankton	24 min
May 29, 9:44 AM CDT	River Flood Warning	FSD	Clay, Dickinson	4 days
May 29, 9:44 AM CDT	River Flood Warning	FSD	Buena Vista	23 days

Nearby

Flash Flood Watches in Iowa, 2008 Flash Flood Watches in South Dakota, 2008 Every flash flood watch in 2008

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.