Alert archive / Michigan / Dense Fog Advisories in 2021
Dense Fog Advisory 3, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this dense fog advisory at Dec 25, 2021, 1:05 AM EST for 8 counties in Michigan. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Dec 25, 2021, 1:05 AM EST (06:05 UTC)
- Expired
- Dec 25, 2021, 5:45 AM EST
- In force
- 5 hr
- Issued by
- NWS Grand Rapids, MI
Counties Clare County, MI, Isabella County, MI, Lake County, MI, Mason County, MI, Mecosta County, MI, Newaygo County, MI, Oceana County, MI, Osceola County, MI
The radar
The Grand Rapids radar (KGRR), 101 km from the middle of the area, began a volume at 06:06 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 dense fog advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Rapids, MI wrote its last area forecast discussion before this dense fog advisory went out at Dec 25, 12:03 AM EST, 1 hour 2 minutes earlier.
Area forecast discussion, Dec 25, 12:03 AM EST, 1 hour 2 minutes before
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</html>Hazardous weather outlook, Dec 24, 12:52 PM EST, 12 hours 13 minutes before
Hazardous Weather Outlook National Weather Service Grand Rapids MI 1252 PM EST Fri Dec 24 2021 MIZ037>040-043>046-050>052-056>059-064>067-071>074-251445- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 1252 PM EST Fri Dec 24 2021 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Areas of dense fog are possible again tonight. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Travel may be impacted by snow or a wintry mix on Sunday night, as well as on Tuesday night. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. LMZ844>849-251445- St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 1252 PM EST Fri Dec 24 2021 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Waves of 3 to 5 feet and areas of dense fog will result in hazardous conditions for small craft through this evening. .DAYS TWO THROUGH SEVEN...Saturday through Thursday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
In the hours before
Special weather statement, Dec 25, 12:58 AM EST, 7 minutes before
Special Weather Statement National Weather Service Grand Rapids MI 1258 AM EST Sat Dec 25 2021 MIZ037>040-043>046-251200- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella- Including the cities of Ludington, Baldwin, Reed City, Clare, Hart, Fremont, Big Rapids, and Mount Pleasant 1258 AM EST Sat Dec 25 2021 ...Areas of Dense Fog... Areas of dense fog will persist overnight mainly north of M-46. Visibilities a quarter mile or less can be expected along with some drizzle. If traveling tonight, slow down and allow extra time to reach your destination.
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 5:28 AM EST | Small Craft Advisory | GRR | 17 hr |
Nearby
Dense Fog Advisories in Michigan, 2021Every dense fog advisory 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; radar from the NEXRAD Level II archive.