Alert archive / Minnesota / Frost Advisories in 2019

Frost Advisory 1, NWS Grand Forks, ND

May 16, 201911 counties in Minnesota; 7 counties in North Dakota

NWS Grand Forks, ND issued this frost advisory at May 16, 2019, 3:45 PM CDT for 11 counties in Minnesota; 7 counties in North Dakota. It took effect at May 17, 2019, 2:00 AM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: May 16, 2019, 3:45 PM CDT (20:45 UTC)
In effect from: May 17, 2019, 2:00 AM CDT
Expired: May 17, 2019, 8:00 AM CDT
In force: 6 hr
Issued by: NWS Grand Forks, ND

Counties Beltrami County, MN, Clearwater County, MN, Hubbard County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Cavalier County, ND, Grand Forks County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Towner County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 85 km from the middle of the area, began a volume at 20:50 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 frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this frost advisory went out at May 16, 3:42 PM CDT, 3 minutes earlier.

Area forecast discussion, May 16, 3:42 PM CDT, 3 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 16, 1:13 PM CDT, 2 hours 32 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, May 16, 1:28 PM CDT, 2 hours 17 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>

Local storm report, May 16, 1:55 PM CDT, 1 hour 50 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 Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 15, 8:17 PM CDT	Severe Thunderstorm Warning	FGF	Polk	43 min
May 15, 8:57 PM CDT	Severe Thunderstorm Warning	FGF	Pennington, Polk, Red Lake	48 min
May 15, 9:11 PM CDT	Special Weather Statement	FGF	Norman	64 min
May 15, 9:27 PM CDT	Special Weather Statement	FGF	Red Lake	33 min
May 15, 9:38 PM CDT	Severe Thunderstorm Warning	FGF	Norman, Polk	37 min
May 15, 10:06 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Mahnomen, Norman	39 min
May 15, 10:43 PM CDT	Special Weather Statement	FGF	Mahnomen	47 min
May 15, 11:53 PM CDT	Special Weather Statement	FGF	Wilkin	37 min
May 15, 7:21 PM CDT	Special Weather Statement	FGF	Walsh	39 min
May 15, 7:34 PM CDT	Severe Thunderstorm Warning	FGF	Eddy, Griggs, Nelson	41 min
May 15, 7:49 PM CDT	Special Weather Statement	FGF	Grand Forks	41 min
May 15, 8:06 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Steele	39 min
May 15, 8:15 PM CDT	Severe Thunderstorm Warning	FGF	Barnes	45 min
May 15, 8:36 PM CDT	Severe Thunderstorm Warning	FGF	Steele, Traill	39 min
May 15, 8:53 PM CDT	Severe Thunderstorm Warning	FGF	Barnes	52 min
May 15, 9:34 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	41 min
May 15, 10:01 PM CDT	Special Weather Statement	FGF	Ransom	44 min
May 15, 10:10 PM CDT	Severe Thunderstorm Warning	FGF	Cass, Richland	15 min
May 15, 10:17 PM CDT	Special Weather Statement	FGF	Sargent	43 min
May 15, 10:27 PM CDT	Special Weather Statement	FGF	Richland	33 min
May 15, 10:45 PM CDT	Special Weather Statement	FGF	Richland	30 min
May 15, 11:00 PM CDT	Special Weather Statement	FGF	Richland	45 min
May 15, 11:18 PM CDT	Severe Thunderstorm Warning	FGF	Richland, Sargent	42 min

Nearby

Frost Advisories in Minnesota, 2019 Frost Advisories in North Dakota, 2019 Every frost advisory in 2019

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.