Alert archive / Idaho / River Flood Watches in 2017

River Flood Watch 2, NWS Pocatello, ID

February 19, 2017Bannock County, Idaho

NWS Pocatello, ID issued this river flood watch at Feb 19, 2017, 9:18 AM MST for Bannock County, Idaho. It took effect at Feb 21, 2017, 6:38 AM MST. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: Feb 19, 2017, 9:18 AM MST (16:18 UTC)
In effect from: Feb 21, 2017, 6:38 AM MST
Expired: Feb 24, 2017, 9:05 PM MST
In force: 4 days
Issued by: NWS Pocatello, ID
Flood severity: None

County Bannock County, ID

The radar

The Pocatello radar (KSFX), 61 km from the middle of the area, began a volume at 16:19 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 Portneuf River at Pocatello (PIHI1). The gauge peaked at 9.68 ft at Feb 23, 2017, 5:00 PM MST.

Action stage: 8 ft
Minor stage: 8.5 ft
Moderate stage: 10 ft
Major stage: 11 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 13075500, 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 Pocatello, ID wrote its last area forecast discussion before this river flood watch went out at Feb 19, 2:26 AM MST, 6 hours 52 minutes earlier.

Area forecast discussion, Feb 19, 2:26 AM MST, 6 hours 52 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 Pocatello, ID issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 18, 8:34 PM MST	Winter Weather Advisory	PIH		18 hr
Feb 19, 2:08 PM MST	Winter Storm Watch	PIH		12 hr
Feb 19, 2:12 PM MST	Special Weather Statement	PIH	Power	48 min

Nearby

River Flood Watches in Idaho, 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.