Alert archive / Wyoming / Flash Flood Watches in 2018

Flash Flood Watch 1, NWS Cheyenne, WY

May 27, 20186 counties in Wyoming; Sioux County, Nebraska

NWS Cheyenne, WY issued this flash flood watch at May 27, 2018, 2:58 AM MDT for 6 counties in Wyoming; Sioux County, Nebraska. It took effect at May 27, 2018, 12:00 PM MDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: May 27, 2018, 2:58 AM MDT (08:58 UTC)
In effect from: May 27, 2018, 12:00 PM MDT
Expired: May 28, 2018, 12:00 AM MDT
In force: 12 hr
Issued by: NWS Cheyenne, WY
Flood severity: None

Counties Sioux County, NE, Albany County, WY, Converse County, WY, Goshen County, WY, Laramie County, WY, Niobrara County, WY, Platte County, WY

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 Cheyenne, WY wrote its last area forecast discussion before this flash flood watch went out at May 26, 7:03 PM MDT, 7 hours 55 minutes earlier.

Area forecast discussion, May 26, 7:03 PM MDT, 7 hours 55 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, May 26, 6:14 AM MDT, 20 hours 44 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

Special weather statement, May 26, 9:05 PM MDT, 5 hours 53 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 Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 26, 6:48 PM MDT	Special Weather Statement	CYS		42 min
May 26, 7:37 PM MDT	Special Weather Statement	CYS	Carbon	38 min
May 26, 9:05 PM MDT	Special Weather Statement	CYS	Converse	40 min
May 27, 12:59 PM MDT	Severe Thunderstorm Warning	CYS	Albany	23 min
May 27, 2:15 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Laramie	31 min
May 27, 2:43 PM MDT	Tornado Warning Tornado observed	CYS	Albany, Laramie	32 min
May 27, 2:56 PM MDT	Severe Thunderstorm Warning	CYS	Albany	30 min
May 27, 3:08 PM MDT	Tornado Warning Tornado observed	CYS	Albany, Laramie	8 min
May 27, 3:18 PM MDT	Special Weather Statement	CYS		42 min
May 27, 3:21 PM MDT	Tornado Warning Tornado observed	CYS	Laramie	24 min
May 27, 3:28 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse, Platte	47 min
May 27, 3:33 PM MDT	Special Weather Statement	CYS	Albany	42 min
May 27, 3:41 PM MDT	Special Weather Statement	CYS		49 min
May 27, 3:42 PM MDT	Tornado Warning Tornado observed	CYS	Laramie	48 min
May 27, 3:48 PM MDT	Areal Flood Advisory	CYS	Albany, Laramie	3 hr
May 27, 4:05 PM MDT	Tornado Warning Tornado observed	CYS	Albany, Converse, Platte	40 min
May 27, 4:08 PM MDT	Special Weather Statement	CYS	Laramie	52 min
May 27, 4:15 PM MDT	Tornado Warning	CYS	Goshen, Laramie, Platte	45 min
May 27, 4:17 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	43 min
May 27, 4:29 PM MDT	Tornado Warning	CYS	Albany, Converse, Platte	20 min
May 27, 4:32 PM MDT	Severe Thunderstorm Warning	CYS	Converse	29 min
May 27, 4:42 PM MDT	Areal Flood Advisory	CYS	Albany, Converse, Platte	3 hr
May 27, 4:47 PM MDT	Flash Flood Warning	CYS	Albany, Laramie	3 hr
May 27, 5:00 PM MDT	Tornado Warning	CYS	Laramie	19 min
May 27, 5:12 PM MDT	Special Weather Statement	CYS	Converse	48 min
May 27, 5:13 PM MDT	Special Weather Statement	CYS	Platte	47 min
May 27, 5:42 PM MDT	Special Weather Statement	CYS	Platte	48 min
May 27, 5:51 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne, Kimball, Morrill	39 min

Nearby

Flash Flood Watches in Wyoming, 2018 Flash Flood Watches in Nebraska, 2018 Every flash 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.