Alert archive / Michigan / Winter Weather Advisories in 2023

Winter Weather Advisory 21, NWS Gaylord, MI

March 31, 20234 counties in Michigan

NWS Gaylord, MI issued this winter weather advisory at Mar 31, 2023, 3:22 PM EDT for 4 counties in Michigan. It took effect at Apr 1, 2023, 2:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Mar 31, 2023, 3:22 PM EDT (19:22 UTC)
In effect from
Apr 1, 2023, 2:00 AM EDT
Expired
Apr 1, 2023, 2:00 PM EDT
In force
12 hr
Issued by
NWS Gaylord, MI

Counties Charlevoix County, MI, Cheboygan County, MI, Emmet County, MI, Presque Isle County, MI

The radar

The NCL Michigan radar (KAPX), 59 km from the middle of the area, began a volume at 19:23 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

Alpena, MI (KAPX), launched 12:00Z, 7.4 hours before the alert went out and 180 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.

Skew-T log-pSkew-T log-p diagram, Alpena, MI at 12:00Z on 2023-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Alpena, MI at 12:00Z on 2023-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 615 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
603 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
615 m²/s²
0-3 km storm-relative helicity
658 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Gaylord, MI wrote its last area forecast discussion before this winter weather advisory went out at Mar 31, 3:18 PM EDT, 4 minutes earlier.

Area forecast discussion, Mar 31, 3:18 PM EDT, 4 minutes before
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Hazardous weather outlook, Mar 31, 4:19 AM EDT, 11 hours 3 minutes before
Hazardous Weather Outlook
National Weather Service Gaylord MI
419 AM EDT Fri Mar 31 2023

MIZ016>018-020>036-041-042-086>088-095>099-010830-
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-
Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac-
Western Chippewa-Central Chippewa-Southeast Chippewa-
Western Mackinac-Eastern Mackinac-
Mackinac Island/Bois Blanc Island-
Beaver Island and surrounding islands-Charlevoix-
419 AM EDT Fri Mar 31 2023

This hazardous weather outlook is for Eastern Upper Michigan and
Northern Lower Michigan.

.DAY ONE...Today and tonight.

Wintry precipitation remains possible across parts of the area
this morning, especially along and north of M-32. This should
transition to rain this morning in most areas south of the
Bridge. Rainfall in combination with snowmelt could lead to areas
of localized flooding.

There is a slight chance of thunderstorms across northern Lower
Michigan this afternoon into tonight.

A period of heavy snowfall is also expected tonight, primarily
across the eastern U.P. Strong winds will further deteriorate
hazardous driving conditions. See ongoing Winter Storm Watch for
details.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Additional heavy snow is expected across eastern upper Michigan
Saturday morning. Snow combined with strong winds will create
dangerous driving conditions and may lead to isolated power outages.
See ongoing Winter Storm Watch for details.

Precipitation is expected to change to a period of all snow across
northern Lower Michigan Saturday...along with gusty winds and
temperatures falling below freezing.

There is a slight chance of thunderstorms across northern lower
Michigan Tuesday night into Wednesday morning.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report rainfall and snowfall amounts
to the National Weather Service. Reports may be made one of three
ways:

Online:    weather.gov/gaylord
Facebook: facebook.com/nwsgaylord

Twitter:  twitter.com/nwsgaylord

For more information visit http://weather.gov/gaylord.

LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-010830-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
419 AM EDT Fri Mar 31 2023

This hazardous weather outlook is for the northern Michigan
nearshore waters of Lake Huron, Lake Michigan and Lake Superior.

.DAY ONE...Today and tonight.

Gale force wind gusts are expected to develop tonight. See ongoing
Gale Warning for details.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Gale force wind gusts are expected to continue into Saturday
afternoon. See ongoing Gale Warning for details.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 3:54 AM EDTGale WarningAPX36 hr
Mar 31, 12:53 PM EDTWinter Storm WarningAPXChippewa, Mackinac25 hr

Nearby

Winter Weather Advisories in Michigan, 2023Every winter weather advisory in 2023

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.