Alert archive / North Dakota / Special Weather Statements in 2021
Special Weather Statement, NWS Grand Forks, ND
NWS Grand Forks, ND issued this special weather statement at Aug 28, 2021, 7:59 PM CDT for Ramsey County, North Dakota. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 28, 2021, 7:59 PM CDT (00:59 UTC)
- Expired
- Aug 28, 2021, 8:30 PM CDT
- In force
- 31 min
- Issued by
- NWS Grand Forks, ND
- Hail
- 0.88 in
- Wind
- 40
County Ramsey County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 151 km from the middle of the area, began a volume at 00:59 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 nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 1.0 hours before the alert went out and 398 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 143 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1242 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 28, 6:29 PM CDT, 1 hour 30 minutes earlier.
Area forecast discussion, Aug 28, 6:29 PM CDT, 1 hour 30 minutes before
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
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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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</html>Hazardous weather outlook, Aug 28, 4:37 AM CDT, 15 hours 22 minutes before
Hazardous Weather Outlook National Weather Service Grand Forks ND 437 AM CDT Sat Aug 28 2021 MNZ003-024-027>032-040-NDZ038-039-049-052-053-290945- Clay-Hubbard-West Becker-East Becker-Wilkin-West Otter Tail- East Otter Tail-Wadena-Grant-Barnes-Cass-Ransom-Sargent-Richland- 437 AM CDT Sat Aug 28 2021 This hazardous weather outlook is for portions of eastern North Dakota, west central and northwest Minnesota. .DAY ONE...Today and Tonight Areas of fog will continue before 9 AM CDT, with localized visibility restrictions below 1 mile possible. Isolated strong to severe thunderstorms will remain possible for portions of southeast ND into west-central MN this morning into the early afternoon. Hail up to quarter sized and wind gusts to 60 mph will be the primary threats. .DAYS TWO THROUGH SEVEN...Sunday through Friday The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated. MNZ001-002-004>009-013>017-022-023-NDZ006>008-014>016-024-026>030- 054-290945- West Polk-Norman-Kittson-Roseau-Lake Of The Woods-West Marshall- East Marshall-North Beltrami-Pennington-Red Lake-East Polk- North Clearwater-South Beltrami-Mahnomen-South Clearwater-Towner- Cavalier-Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson- Grand Forks-Griggs-Steele-Traill-Western Walsh- 437 AM CDT Sat Aug 28 2021 This hazardous weather outlook is for portions of eastern North Dakota and northwest Minnesota. .DAY ONE...Today and Tonight Widespread fog will continue before 9 AM CDT, with lowest visibility restrictions a quarter mile or less, particularly within the Devils Lake basin. .DAYS TWO THROUGH SEVEN...Sunday through Friday The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated.
In the hours before
Special weather statement, Aug 28, 7:59 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Grand Forks ND
759 PM CDT Sat Aug 28 2021
NDZ007-015-290130-
Ramsey ND-Cavalier ND-
759 PM CDT Sat Aug 28 2021
...A strong thunderstorm will impact portions of south central
Cavalier and northeastern Ramsey Counties through 830 PM CDT...
At 759 PM CDT, Doppler radar was tracking a strong thunderstorm over
Starkweather, or 21 miles north of Devils Lake, moving northeast at
15 mph.
HAZARD...Winds in excess of 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Hampden and Derrick.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4848 9897 4868 9855 4844 9835 4834 9890
4842 9897
TIME...MOT...LOC 0059Z 240DEG 12KT 4842 9885
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
DJRThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 10:59 PM CDT | Special Weather Statement | FGF | Grant | 31 min |
Nearby
Special Weather Statements in North Dakota, 2021Every special weather statement in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.