Alert archive / Michigan / Winter Storm Warnings in 2020

Winter Storm Warning 1, NWS Detroit, MI

January 17, 20207 counties in Michigan

NWS Detroit, MI issued this winter storm warning at Jan 17, 2020, 3:55 AM EST for 7 counties in Michigan. It took effect at Jan 17, 2020, 10:00 PM EST. It was in force for 13 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 17, 2020, 3:55 AM EST (08:55 UTC)
In effect from: Jan 17, 2020, 10:00 PM EST
Expired: Jan 18, 2020, 10:59 AM EST
In force: 13 hr
Issued by: NWS Detroit, MI

Counties Lenawee County, MI, Livingston County, MI, Macomb County, MI, Monroe County, MI, Oakland County, MI, Washtenaw County, MI, Wayne County, MI

The radar

The Detroit radar (KDTX), 42 km from the middle of the area, began a volume at 08:55 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 winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Detroit, MI wrote its last area forecast discussion before this winter storm warning went out at Jan 16, 11:56 PM EST, 3 hours 59 minutes earlier.

Area forecast discussion, Jan 16, 11:56 PM EST, 3 hours 59 minutes before

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Hazardous weather outlook, Jan 16, 3:40 PM EST, 12 hours 15 minutes before

Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
340 PM EST Thu Jan 16 2020

MIZ047-048-053-054-060>062-068>070-075-076-082-083-172045-
Midland-Bay-Saginaw-Tuscola-Shiawassee-Genesee-Lapeer-Livingston-
Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
340 PM EST Thu Jan 16 2020

This hazardous weather outlook is for portions of southeast
Michigan.

.DAY ONE...This Afternoon and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

A winter storm watch is in effect. Please see the latest winter
weather message for more detail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

MIZ049-055-063-172045-
Huron-Sanilac-St. Clair-
340 PM EST Thu Jan 16 2020

This hazardous weather outlook is for portions of southeast
Michigan.

.DAY ONE...This Afternoon and Tonight

A Lakeshore Flood Advisory is in effect. See the latest lakeshore
hazard message for details.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

A winter storm watch is in effect. Please see the latest winter
weather message for more detail.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-172045-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw
Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
340 PM EST Thu Jan 16 2020

This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.

.DAY ONE...This Afternoon and Tonight

Small craft advisories are in effect. See the forecast for detail.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 17, 3:48 AM EST	Gale Watch	DTX		7 hr
Jan 17, 3:55 AM EST	Winter Weather Advisory	DTX	Bay, Genesee, Huron, Lapeer, Midland, Saginaw and 4 more	31 hr
Jan 17, 10:18 AM EST	Gale Warning	DTX		45 hr
Jan 17, 10:18 AM EST	Small Craft Advisory	DTX		29 hr
Jan 17, 1:05 PM EST	Lakeshore Flood Warning	DTX	Macomb, Saint Clair	33 hr
Jan 17, 1:05 PM EST	Lakeshore Flood Advisory	DTX	Huron, Monroe, Sanilac, Wayne	26 hr

Nearby

Winter Storm Warnings in Michigan, 2020 Every winter storm warning in 2020

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.