Alert archive / Michigan / Winter Storm Warnings in 2021

Winter Storm Warning 2, NWS Marquette, MI

February 12, 2021Delta County, Schoolcraft County, Michigan

NWS Marquette, MI issued this winter storm warning at Feb 12, 2021, 4:01 PM EST for Delta County, Schoolcraft County, Michigan. It took effect at Feb 13, 2021, 3:00 AM EST. It was in force for 24 hr. 18 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 12, 2021, 4:01 PM EST (21:01 UTC)
In effect from
Feb 13, 2021, 3:00 AM EST
Expired
Feb 14, 2021, 3:00 AM EST
In force
24 hr
Issued by
NWS Marquette, MI

Counties Delta County, MI, Schoolcraft County, MI

The radar

The Marquette radar (KMQT), 104 km from the middle of the area, began a volume at 21:00 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 was reported inside it

TimeReportWhereRemark
Feb 13, 6:00 AM ESTSNOW 8.93 Nw Manistique, MICOCORAHS STATION MI-SH-1 MANISTIQUE 2.7 NW.
Feb 13, 6:00 AM ESTSNOW 8.9Manistique 2.7 Nw, MI*DELAYED REPORT.* 0.56 INCHES LIQUID EQUIVALENT.
Feb 13, 7:00 AM ESTSNOW 22 E Rapid River, MICO-OP OBSERVER STATION RARM4 1.7 E RAPID RIVER.
Feb 13, 7:00 AM ESTSNOW 51 S Manistique, MI
Feb 13, 8:00 AM ESTSNOW 7.20.8 Nw Garden Corners, MI*DELAYED REPORT.* 0.30 INCHES LIQUID EQUIVALENT.
Feb 13, 8:00 AM ESTSNOW 7.21 Nw Garden Corners, MICOCORAHS STATION MI-DL-1 GARDEN CORNERS 0.8 NW.
Feb 13, 9:00 AM ESTSNOW 2.81 E Steuben, MICO-OP OBSERVER STATION STEM4 0.9 E STEUBEN.
Feb 13, 3:11 PM ESTSNOW 67 W Manistique, MIOBSERVED ON THE WEST SIDE OF INDIAN LAKE.
Feb 13, 5:12 PM ESTSNOW 57 E Garden, MISTILL SNOWING.
Feb 13, 5:17 PM ESTSNOW 22.54.5 W Manistique, MISNOWFALL SINCE THIS MORNING, STILL SNOWING HARD.
Feb 13, 5:46 PM ESTSNOW 97 E Garden, MISNOWFALL SINCE THIS MORNING, STILL SNOWING.
Feb 13, 6:16 PM ESTSNOW 15Manistique, MISNOWFALL SINCE THIS MORNING, STILL SNOWING.
Feb 13, 7:34 PM ESTSNOW 284.5 W Manistique, MICORRECTS PREVIOUS SNOW REPORT FROM 4.5 W MANISTIQUE. SNOWFALL SINCE THIS MORNING, STILL SNOWING.
Feb 13, 7:48 PM ESTSNOW 20Manistique, MIESTIMATED SNOWFALL SINCE THIS MORNING, STILL SNOWING.
Feb 13, 8:34 PM ESTSNOW 157 E Garden, MIUPDATES PREVIOUS SNOW REPORT FROM 7 E GARDEN. SNOWFALL SINCE THIS MORNING, SNOW APPEARS TO BE TAPERING OFF.
Feb 13, 11:00 PM ESTSNOW 18.27 Ene Garden, MIMEASURED SNOWFALL THROUGH 1100 P.M. EST ON 2/13. THREE DAY SNOW TOTAL IS 23.2 INCHES. MEASURED 28 INCHES OF SNOW ON THE GROUND. DELAYED REPORT.
Feb 14, 12:00 AM ESTSNOW 343 N Thompson, MISATURDAY SNOWFALL COMPONENT OF PREVIOUSLY REPORTED 46.5 INCH STORM TOTAL. START TIME ESTIMATED BY RADAR. END TIME ESTIMATED BY REPORTING INDIVIDUAL.
Feb 14, 12:00 AM ESTSNOW 46.53 N Thompson, MI*DELAYED REPORT.* THIS IS AN UPDATE (WITH CORRECTED LOCATION) TO A PREVIOUS REPORT OF 28 INCHES. PUBLIC REPORTED 34 INCHES OF SNOW FELL AS OF LATE SATURDAY NIGHT, 2/13, WITH HEAVY SNOW STILL FALLING AT THAT POINT. THIS WAS ON TOP OF 12.5 INCHES THAT FELL ON FR

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.0 hours before the alert went out and 202 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, Green Bay/Straub, WI at 12:00Z on 2021-02-12Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2021-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939587897117136156175Sfc1 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
724 m above ground
0-6 km bulk shear
112 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
273 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

402 
WWUS43 KMQT 122101
WSWMQT

URGENT - WINTER WEATHER MESSAGE
National Weather Service Marquette MI
401 PM EST Fri Feb 12 2021

MIZ014-131000-
/O.CAN.KMQT.WW.Y.0008.000000T0000Z-210213T0000Z/
/O.NEW.KMQT.WS.W.0002.210213T0800Z-210214T0000Z/
Southern Schoolcraft-
Including the city of Manistique
401 PM EST Fri Feb 12 2021

...WINTER STORM WARNING IN EFFECT FROM 3 AM TO 7 PM EST
SATURDAY...

* WHAT...Heavy lake effect snow expected to redevelop late
  tonight, continue through Saturday, then diminish Saturday
  evening. Total snow accumulations will range from 5 to 15
  inches. The highest amounts will be localized and are likely to
  occur in a similar location to the heavy lake effect snow that
  fell during Friday morning, specifically to the west of
  Manistique in the Indian Lake and Cooks areas. Locations east
  and north of Manistique will see the least amount of snow.
  Snowfall will be heaviest during the day on Saturday.

* WHERE...Southern Schoolcraft County.

* WHEN...From 3 AM to 7 PM EST Saturday.

* IMPACTS...Travel could be very difficult to impossible on
  Saturday on portions of US-2, particularly west of Manistique.
  Expect white-out conditions in the heaviest lake effect snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

MIZ001>003-130500-
/O.EXT.KMQT.WW.Y.0008.000000T0000Z-210213T0500Z/
Keweenaw-Ontonagon-Northern Houghton-
Including the cities of Copper Harbor, Ontonagon, Houghton, 
and Hancock
401 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

* WHAT...Lake effect snow. Additional snow accumulations this
  evening of 2 to 4 inches from just north of Ontonagon and Mass
  City to Twin Lakes and Painesdale. From Houghton northward,
  expect snow accumulations of an inch or two. To the south of
  Rockland, expect little or no additional snowfall. 

* WHERE...Ontonagon, Northern Houghton and Keweenaw Counties.

* WHEN...Until midnight EST tonight.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the evening commute. Low wind chills as
  low as 25 below zero late this evening could cause frostbite on
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

MIZ006-085-131000-
/O.EXT.KMQT.WW.Y.0008.000000T0000Z-210214T0000Z/
Alger-Northern Schoolcraft-
Including the cities of Grand Marais, Munising, and Seney
401 PM EST Fri Feb 12 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 PM EST
SATURDAY...

* WHAT...Lake effect snow. Additional snow accumulations of 2 to 9
  inches with the greatest amounts north of M-28 to the east of
  Munising.

* WHERE...Alger and Northern Schoolcraft Counties.

* WHEN...Until 7 PM EST Saturday.

* IMPACTS...Travel could be difficult. The hazardous conditions
  will impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

Rolfson
3 follow-up statements
878 
WWUS43 KMQT 130904
WSWMQT

URGENT - WINTER WEATHER MESSAGE
National Weather Service Marquette MI
404 AM EST Sat Feb 13 2021

MIZ009-010-132315-
/O.NEW.KMQT.WC.W.0002.210214T0200Z-210214T1600Z/
Gogebic-Iron-
Including the cities of Ironwood and Iron River
304 AM CST Sat Feb 13 2021

...WIND CHILL WARNING IN EFFECT FROM 8 PM THIS EVENING TO 10 AM
CST SUNDAY...

* WHAT...Dangerously cold wind chills expected. Wind chills as 
  low as 40 below zero.

* WHERE...Gogebic and Iron Counties.

* WHEN...From 8 PM this evening to 10 AM CST Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

MIZ013-132315-
/O.EXB.KMQT.WS.W.0002.000000T0000Z-210214T0500Z/
Delta-
Including the cities of Escanaba and Gladstone
404 AM EST Sat Feb 13 2021

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Heavy lake effect snow. Additional snow accumulations of
  6 to 14 inches east of Nahma Junction. Locally higher amounts of
  up to 20 inches are possible near Garden Corners. Much lower 
  snow accumulations of generally 1 to 4 inches are expected west 
  of Nahma Junction.

* WHERE...Delta County.

* WHEN...Until midnight EST tonight.

* IMPACTS...Travel could be very difficult to impossible,
  especially on US-2 east of Nahma Junction. The cold wind chills
  as low as 15 below zero could result in hypothermia if 
  precautions are not taken.

* ADDITIONAL DETAILS...Snow will be heavy today and could
  accumulate at a rate of 1 to 2 inches per hour or more. Snowfall
  accumulations will vary considerably over small distances with
  this lake effect snow band.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

MIZ014-132315-
/O.EXT.KMQT.WS.W.0002.000000T0000Z-210214T0500Z/
Southern Schoolcraft-
Including the city of Manistique
404 AM EST Sat Feb 13 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

* WHAT...Heavy lake effect snow. Additional snow accumulations of
  8 to 14 inches. Locally higher amounts of up to 20 inches are
  possible from near Cooks to just west of Manistique.

* WHERE...Southern Schoolcraft County.

* WHEN...Until midnight EST tonight.

* IMPACTS...Travel could be very difficult to impossible,
  especially on US-2 and M-94. Southern portions of M-77 will be
  impacted as well.

* ADDITIONAL DETAILS...Snow will be heavy today and could
  accumulate at a rate of 1 to 2 inches per hour or more. Snowfall
  accumulations will vary considerably over small distances with
  this lake effect snow band.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

MIZ001>003-132315-
/O.NEW.KMQT.WW.Y.0009.210213T1600Z-210215T0000Z/
Keweenaw-Ontonagon-Northern Houghton-
Including the cities of Copper Harbor, Ontonagon, Houghton, 
and Hancock
404 AM EST Sat Feb 13 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO
7 PM EST SUNDAY...

* WHAT...Lake effect snow expected. Total snow accumulations of 3
  to 8 inches from Ontonagon northeast through Twin Lakes to
  around Houghton, and 1 to 3 inches elsewhere. The combination 
  of snow and blowing snow will lead to sharply reduced visibility
  at times even outside of the heaviest snow bands, especially 
  late tonight and Sunday. 

* WHERE...Keweenaw, Ontonagon and Northern Houghton Counties.

* WHEN...From 11 AM this morning to 7 PM EST Sunday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow
  could significantly reduce visibility. Dangerously cold wind 
  chills of 25 below to 35 below zero tonight and Sunday morning 
  could cause frostbite on exposed skin in as little as 10 
  minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MIZ004-005-011-012-084-132315-
/O.NEW.KMQT.WC.Y.0007.210214T0200Z-210214T1600Z/
Baraga-Marquette-Dickinson-Menominee-Southern Houghton-
Including the cities of L'Anse, Gwinn, Marquette, Iron Mountain, 
Menominee, Kenton, and Sidnaw
404 AM EST Sat Feb 13 2021 /304 AM CST Sat Feb 13 2021/

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM EST /8 PM CST/ THIS
EVENING TO 11 AM EST /10 AM CST/ SUNDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  35 below zero.

* WHERE...Baraga, Marquette, Dickinson, Menominee and Southern 
  Houghton Counties.

* WHEN...From 9 PM EST /8 PM CST/ this evening to 11 AM EST /10 
  AM CST/ Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

MIZ007-132315-
/O.EXB.KMQT.WW.Y.0008.000000T0000Z-210215T0000Z/
Luce-
Including the city of Newberry
404 AM EST Sat Feb 13 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM EST SUNDAY...

* WHAT...Lake effect snow. Additional snow accumulations through
  Sunday evening of 3 to 7 inches. The combination of snow and 
  blowing snow will lead to sharply reduced visibility at times 
  even outside of the heaviest snow bands, especially late tonight
  and Sunday.

* WHERE...Luce County.

* WHEN...Until 7 PM EST Sunday.

* IMPACTS...Travel could be very difficult. The cold wind chills 
  as low as 15 below zero could result in hypothermia if 
  precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MIZ006-085-132315-
/O.EXT.KMQT.WW.Y.0008.000000T0000Z-210215T0000Z/
Alger-Northern Schoolcraft-
Including the cities of Grand Marais, Munising, and Seney
404 AM EST Sat Feb 13 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 PM EST SUNDAY...

* WHAT...Lake effect snow. Additional snow accumulations through
  Sunday evening of 5 to 10 inches east of Au Train, and 2 to 5
  inches in western Alger County. The combination of snow and
  blowing snow will lead to sharply reduced visibility at times
  even outside of the heaviest snow bands, especially late tonight
  and Sunday.

* WHERE...Alger and Northern Schoolcraft Counties.

* WHEN...Until 7 PM EST Sunday.

* IMPACTS...Travel could be very difficult. The cold wind chills 
  as low as 25 below zero could cause frostbite on exposed skin 
  in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$
699 
WWUS43 KMQT 132047
WSWMQT

URGENT - WINTER WEATHER MESSAGE
National Weather Service Marquette MI
347 PM EST Sat Feb 13 2021


MIZ013-014-140500-
/O.CON.KMQT.WS.W.0002.000000T0000Z-210214T0500Z/
Delta-Southern Schoolcraft-
Including the cities of Escanaba, Gladstone, and Manistique
347 PM EST Sat Feb 13 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...

* WHAT...Heavy lake effect snow. Additional snow accumulations of
  4 to 10 inches east of Nahma Junction. Locally higher amounts of
  up to 12 inches are possible near Cooks to Manistique. Much
  lower snow accumulations of generally 1 to 3 inches are expected
  west of Nahma Junction.

* WHERE...Delta and Southern Schoolcraft Counties.

* WHEN...Until midnight EST tonight.

* IMPACTS...Travel could be very difficult to impossible,
  especially on US-2 and M-94. Southern portions of M-77 will be
  impacted as well. Cold wind chills as low as 20 below zero 
  could cause frostbite on exposed skin in as little as 30 
  minutes.

* ADDITIONAL DETAILS...Snow will be heavy through this evening and
  could accumulate at a rate of 1 to 3 inches per hour or more.
  Snowfall accumulations will vary considerably over small
  distances with this lake effect snow band.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

MIZ009-010-140500-
/O.CON.KMQT.WC.W.0002.210214T0200Z-210214T1600Z/
Gogebic-Iron-
Including the cities of Ironwood and Iron River
247 PM CST Sat Feb 13 2021

...WIND CHILL WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
10 AM CST SUNDAY...

* WHAT...Dangerously cold wind chills expected. Wind chills as 
  low as 40 below zero.

* WHERE...Gogebic and Iron Counties.

* WHEN...From 8 PM this evening to 10 AM CST Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

MIZ006-007-085-140500-
/O.CON.KMQT.WW.Y.0008.000000T0000Z-210215T0000Z/
Alger-Luce-Northern Schoolcraft-
Including the cities of Grand Marais, Munising, Newberry, 
and Seney
347 PM EST Sat Feb 13 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
SUNDAY...

* WHAT...Lake effect snow. Additional snow accumulations of 3 to 8
  inches. The combination of snow and blowing snow will lead to 
  sharply reduced visibility at times even outside of the heaviest
  snow bands, especially late tonight and Sunday.

* WHERE...Alger, Luce and Northern Schoolcraft Counties.

* WHEN...Until 7 PM EST Sunday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. The cold wind chills as 
  low as 30 below zero could cause frostbite on exposed skin in 
  as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MIZ001>003-140500-
/O.CON.KMQT.WW.Y.0009.000000T0000Z-210215T0000Z/
Keweenaw-Ontonagon-Northern Houghton-
Including the cities of Copper Harbor, Ontonagon, Houghton, 
and Hancock
347 PM EST Sat Feb 13 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
SUNDAY...

* WHAT...Lake effect snow. Additional snow accumulations of 3 to 8
  inches from Ontonagon northeast through Twin Lakes to around 
  Houghton, and 1 to 3 inches elsewhere. The combination of snow 
  and blowing snow will lead to sharply reduced visibility at 
  times even outside of the heaviest snow bands, especially late 
  tonight and Sunday. 

* WHERE...Ontonagon, Northern Houghton and Keweenaw Counties.

* WHEN...Until 7 PM EST Sunday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The dangerously 
  cold wind chills as low as 40 below zero could cause frostbite 
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MIZ004-005-011-012-084-140500-
/O.CON.KMQT.WC.Y.0007.210214T0200Z-210214T1600Z/
Baraga-Marquette-Dickinson-Menominee-Southern Houghton-
Including the cities of L'Anse, Gwinn, Marquette, Iron Mountain, 
Menominee, Kenton, and Sidnaw
347 PM EST Sat Feb 13 2021 /247 PM CST Sat Feb 13 2021/

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM EST /8 PM CST/
THIS EVENING TO 11 AM EST /10 AM CST/ SUNDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  35 below zero.

* WHERE...Baraga, Marquette, Menominee, Dickinson and Southern 
  Houghton Counties.

* WHEN...From 9 PM EST /8 PM CST/ this evening to 11 AM EST /10 
  AM CST/ Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

BW
158 
WWUS43 KMQT 140230
WSWMQT

URGENT - WINTER WEATHER MESSAGE
National Weather Service Marquette MI
930 PM EST Sat Feb 13 2021

MIZ013-141000-
/O.CAN.KMQT.WS.W.0002.000000T0000Z-210214T0500Z/
/O.EXA.KMQT.WC.Y.0007.000000T0000Z-210214T1600Z/
Delta-
Including the cities of Escanaba and Gladstone
930 PM EST Sat Feb 13 2021

...WIND CHILL ADVISORY IN EFFECT UNTIL 11 AM EST SUNDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Very cold wind chills. Wind chills as low as 30 below
  zero. Light snow will continue overnight, but less than an
  additional inch of accumulation is expected.

* WHERE...Delta County.

* WHEN...Until 11 AM EST Sunday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

MIZ014-140800-
/O.EXT.KMQT.WS.W.0002.000000T0000Z-210214T0800Z/
Southern Schoolcraft-
Including the city of Manistique
930 PM EST Sat Feb 13 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 3 AM EST SUNDAY...

* WHAT...Heavy lake effect snow will diminish after midnight in
  intensity. Additional snow accumulations of 1 to 8
  inches...heaviest east of Manistique.

* WHERE...Southern Schoolcraft County.

* WHEN...Until 3 AM EST Sunday.

* IMPACTS...Travel could be very difficult to impossible,
  especially on US-2 and M-94. Southern portions of M-77 will be
  impacted as well. Roads will be slippery. Cold wind chills as 
  low as 20 below zero could cause frostbite on exposed skin in as
  little as 30 minutes.

* ADDITIONAL DETAILS...Snow will be heavy through midnight and
  could accumulate at a rate of 1 to 3 inches per hour. Snowfall
  accumulations will vary considerably over small distances with 
  this lake effect snow band.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

MIZ009-010-141000-
/O.CON.KMQT.WC.W.0002.000000T0000Z-210214T1600Z/
Gogebic-Iron-
Including the cities of Ironwood and Iron River
830 PM CST Sat Feb 13 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM CST SUNDAY...

* WHAT...Dangerously cold wind chills. Wind chills as low as 40 
  below zero.

* WHERE...Gogebic and Iron Counties.

* WHEN...Until 10 AM CST Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

MIZ006-007-085-141000-
/O.CON.KMQT.WW.Y.0008.000000T0000Z-210215T0000Z/
Alger-Luce-Northern Schoolcraft-
Including the cities of Grand Marais, Munising, Newberry, 
and Seney
930 PM EST Sat Feb 13 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
SUNDAY...

* WHAT...Lake effect snow. Additional snow accumulations of 3 to 8
  inches. The combination of snow and blowing snow will lead to
  sharply reduced visibility at times even outside of the heaviest
  snow bands, especially late tonight and Sunday.

* WHERE...Alger, Luce and Northern Schoolcraft Counties.

* WHEN...Until 7 PM EST Sunday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The cold wind 
  chills as low as 30 below zero could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MIZ001>003-141000-
/O.CON.KMQT.WW.Y.0009.000000T0000Z-210215T0000Z/
Keweenaw-Ontonagon-Northern Houghton-
Including the cities of Copper Harbor, Ontonagon, Houghton, 
and Hancock
930 PM EST Sat Feb 13 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST
SUNDAY...

* WHAT...Lake effect snow. Additional snow accumulations of 3 to 8
  inches from Ontonagon northeast through Twin Lakes to around
  Houghton, and 1 to 3 inches elsewhere. The combination of snow
  and blowing snow will lead to sharply reduced visibility at
  times even outside of the heaviest snow bands, especially late
  tonight and Sunday. 

* WHERE...Ontonagon, Northern Houghton and Keweenaw Counties.

* WHEN...Until 7 PM EST Sunday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The dangerously 
  cold wind chills as low as 40 below zero could cause frostbite 
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

MIZ004-005-011-012-084-141000-
/O.CON.KMQT.WC.Y.0007.000000T0000Z-210214T1600Z/
Baraga-Marquette-Dickinson-Menominee-Southern Houghton-
Including the cities of L'Anse, Gwinn, Marquette, Iron Mountain, 
Menominee, Kenton, and Sidnaw
930 PM EST Sat Feb 13 2021 /830 PM CST Sat Feb 13 2021/

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST /10 AM
CST/ SUNDAY...

* WHAT...Very cold wind chills. Wind chills as low as 35 below 
  zero.

* WHERE...Baraga, Marquette, Menominee, Dickinson and Southern 
  Houghton Counties.

* WHEN...Until 11 AM EST /10 AM CST/ Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

07

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 9:57 PM ESTHeavy Freezing Spray WarningMQT4 days
Feb 12, 3:00 AM ESTWinter Weather AdvisoryMQTAlger, Houghton, Keweenaw, Luce, Ontonagon, Schoolcraft3 days

Nearby

Winter Storm Warnings in Michigan, 2021Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.