Alert archive / Michigan / Winter Storm Warnings in 2017

Winter Storm Warning 2, NWS Grand Rapids, MI

December 11, 20179 counties in Michigan

NWS Grand Rapids, MI issued this winter storm warning at Dec 11, 2017, 3:41 AM EST for 9 counties in Michigan. It took effect at Dec 11, 2017, 10:25 AM EST. It was in force for 41 hr. 13 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
Dec 11, 2017, 3:41 AM EST (08:41 UTC)
In effect from
Dec 11, 2017, 10:25 AM EST
Expired
Dec 13, 2017, 3:51 AM EST
In force
41 hr
Issued by
NWS Grand Rapids, MI

Counties Allegan County, MI, Kalamazoo County, MI, Lake County, MI, Mason County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Ottawa County, MI, Van Buren County, MI

The radar

The Grand Rapids radar (KGRR), 51 km from the middle of the area, began a volume at 08:45 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
Dec 12, 12:00 AM ESTSNOW 0.42 Wsw Cloverville, MICO-OP OBSERVER STATION MKNM4, MUSKEGON 4 SE.
Dec 12, 4:00 AM ESTSNOW 2Bloomingdale, MICO-OP OBSERVER STATION BLMM4, BLOOMINGDALE.
Dec 12, 6:30 AM ESTSNOW 2.41 Ene Beechwood, MICO-OP OBSERVER STATION HOLM4, HOLLAND.
Dec 12, 7:00 AM ESTSNOW 1.51 Nne Brunswick, MICO-OP OBSERVER STATION FREM4, 4 WSW FREMONT.
Dec 12, 7:00 AM ESTSNOW 1.54 Sse Stony Lake, MICOCORAHS STATION MI-OC-2, 4 SSE STONY LAKE.
Dec 12, 7:00 AM ESTSNOW 2.81 Sw Spring Lake, MICO-OP OBSERVER STATION GRDM4, GRAND HAVEN WWTP.
Dec 12, 7:00 AM ESTSNOW 3.54 Nne Paw Paw, MICOCORAHS STATION MI-VB-4, 3 NNE PAW PAW.
Dec 12, 7:30 AM ESTSNOW 2.12 Nnw Beechwood, MICOCORAHS STATION MI-OW-14, 2 NW BEECHWOOD.
Dec 12, 8:00 AM ESTSNOW 2.64 W Portage, MICOCORAHS STATION MI-KZ-1, 3 W PORTAGE.
Dec 12, 9:45 AM ESTSNOW 0.51 Nne Ludington, MITOTAL SINCE MIDNIGHT.
Dec 12, 2:45 PM ESTHEAVY SNOW 81 W Paw Paw, MI
Dec 12, 10:00 PM ESTHEAVY SNOW 71 Nnw Norton Shores, MISTORM TOTAL AS OF 10 PM.
Dec 12, 10:00 PM ESTHEAVY SNOW 71 Nw Norton Shores, MISTORM TOTAL AS OF 10 PM.

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

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 8.7 hours before the alert went out and 219 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, Detroit, MI at 00:00Z on 2017-12-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, Detroit, MI at 00:00Z on 2017-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.19395878Sfc1 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
489 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

064 
WWUS43 KGRR 110841
WSWGRR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
341 AM EST Mon Dec 11 2017

MIZ037-043-050-056-064-071-111645-
/O.NEW.KGRR.WS.W.0002.171212T0300Z-171213T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Ludington, Hart, Muskegon, Grand Haven, 
Jenison, Holland, and South Haven
341 AM EST Mon Dec 11 2017

...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 AM
EST WEDNESDAY...

* WHAT...Snow squalls will develop early tonight and continue into
  Wednesday morning. Visibilities will be near zero at times due 
  to winds gusting to over 35 mph at times causing strong blowing 
  of snow. Plan on difficult travel conditions, including during 
  the morning and evening commute on Tuesday. Total snow 
  accumulations of 3 to 6 inches, with localized amounts over 12 
  inches, are expected.

* WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren 
  counties.

* WHEN...From 10 PM this evening to 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting over 35 mph will cause areas
  of extreme blowing and drifting snow. Due to the strong winds,
  and heavy snowfall some snow drifts may block some roads. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow and blowing snow means severe
winter weather conditions are expected. If you must travel, keep
an extra flashlight, food and water in your vehicle in case of an
emergency.

$$

MIZ038-039-044-057-065-072-111645-
/O.NEW.KGRR.WW.Y.0020.171212T0300Z-171213T1200Z/
Lake-Osceola-Newaygo-Kent-Barry-Kalamazoo-
Including the cities of Baldwin, Reed City, Fremont, 
Grand Rapids, Hastings, and Kalamazoo
341 AM EST Mon Dec 11 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
7 AM EST WEDNESDAY...

* WHAT...Snow showers and a few snow squalls expected to develop
  by midnight or shortly after that. The snow showers with gusty
  winds will continue through Tuesday evening into Wednesday
  morning. Plan on slippery road conditions, including during the
  morning and evening commute on Tuesday. Brief white-outs are 
  expected due to the blowing of snow. Total snow accumulations of
  1 to 3 inches, with localized amounts up to 8 inches, are 
  expected.

* WHERE...Lake, Osceola, Newaygo, Kent, Barry and Kalamazoo 
  counties.

* WHEN...From 10 PM this evening to 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

wdm
weather.gov/grr
10 follow-up statements
640 
WWUS43 KGRR 111525
WSWGRR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
1025 AM EST Mon Dec 11 2017

MIZ037-043-050-056-064-071-112330-
/O.EXT.KGRR.WS.W.0002.171211T1525Z-171213T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Ludington, Hart, Muskegon, Grand Haven, 
Jenison, Holland, and South Haven
1025 AM EST Mon Dec 11 2017

...WINTER STORM WARNING NOW IN EFFECT UNTIL 7 AM EST WEDNESDAY...

* WHAT...Heavy lake effect snow occurring. Travel will be very 
  difficult to impossible, including during the evening commute 
  on Tuesday. Additional snow accumulations of 10 to 14 inches, 
  with localized amounts up to 18 inches, are expected.

* WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren 
  counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 40 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy lake effect snow means
significant amounts of lake effect snow are forecast that will
make travel very hazardous or impossible. If you must travel,
keep an extra flashlight, food, and water in your vehicle in case
of an emergency.

$$

MIZ051-052-058-059-066-067-073-074-112330-
/O.EXB.KGRR.WW.Y.0020.171211T1525Z-171212T0600Z/
Montcalm-Gratiot-Ionia-Clinton-Eaton-Ingham-Calhoun-Jackson-
Including the cities of Greenville, Alma, Ionia, St. Johns, 
Charlotte, Lansing, Battle Creek, and Jackson
1025 AM EST Mon Dec 11 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 AM EST TUESDAY...

* WHAT...Snow occurring. Plan on slippery road conditions, 
  including during the evening commute. Additional snow 
  accumulations of 1 to 3 inches are expected.

* WHERE...Portions of central and south central Michigan.

* WHEN...Until 1 AM EST Tuesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

MIZ038-039-044-057-065-072-112330-
/O.EXT.KGRR.WW.Y.0020.171211T1525Z-171213T1200Z/
Lake-Osceola-Newaygo-Kent-Barry-Kalamazoo-
Including the cities of Baldwin, Reed City, Fremont, 
Grand Rapids, Hastings, and Kalamazoo
1025 AM EST Mon Dec 11 2017

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Lake effect snow occurring. Plan on difficult travel 
  conditions, including during the morning commute on Tuesday. 
  Additional snow accumulations of 4 to 7 inches, with localized 
  amounts up to 14 inches, are expected.

* WHERE...Lake, Osceola, Newaygo, Kent, Barry and Kalamazoo 
  counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for lake effect snow means lake effect
snow is forecast that will make travel difficult in some areas.
Use caution when traveling.

$$

weather.gov/grr
481 
WWUS43 KGRR 112033
WSWGRR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
333 PM EST Mon Dec 11 2017

MIZ037-043-050-056-064-071-120445-
/O.CON.KGRR.WS.W.0002.000000T0000Z-171213T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Ludington, Hart, Muskegon, Grand Haven, 
Jenison, Holland, and South Haven
333 PM EST Mon Dec 11 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Heavy lake effect will develop tonight. Travel will be
  very difficult including during the morning commute on Tuesday.
  Snow accumulations of 9 to 13 inches, with localized amounts up
  to 17 inches, are expected.

* WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren 
  counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy lake effect snow means
significant amounts of lake effect snow are forecast that will
make travel very hazardous or impossible. If you must travel,
keep an extra flashlight, food, and water in your vehicle in case
of an emergency.

$$

MIZ051-052-058-059-066-067-073-074-120445-
/O.CON.KGRR.WW.Y.0020.000000T0000Z-171212T0600Z/
Montcalm-Gratiot-Ionia-Clinton-Eaton-Ingham-Calhoun-Jackson-
Including the cities of Greenville, Alma, Ionia, St. Johns, 
Charlotte, Lansing, Battle Creek, and Jackson
333 PM EST Mon Dec 11 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
TUESDAY...

* WHAT...Snow will continue. Plan on slippery road conditions. 
  Additional snow accumulations of 2 to 4 inches are expected.

* WHERE...Portions of central and south central Michigan.

* WHEN...Until 1 AM EST Tuesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

MIZ038-039-044-057-065-072-120445-
/O.CON.KGRR.WW.Y.0020.000000T0000Z-171213T1200Z/
Lake-Osceola-Newaygo-Kent-Barry-Kalamazoo-
Including the cities of Baldwin, Reed City, Fremont, 
Grand Rapids, Hastings, and Kalamazoo
333 PM EST Mon Dec 11 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Lake effect snow will develop tonight. Plan on difficult
  travel conditions. Additional snow accumulations of 4 to 7
  inches, with localized amounts up to 10 inches in the western 
  portions of the counties, are expected.

* WHERE...Lake, Osceola, Newaygo, Kent, Barry and Kalamazoo 
  counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for lake effect snow means lake effect
snow is forecast that will make travel difficult in some areas.
Use caution when traveling.

$$

weather.gov/grr
707 
WWUS43 KGRR 112128 AAA
WSWGRR

URGENT - WINTER WEATHER MESSAGE...UPDATED
National Weather Service Grand Rapids MI
428 PM EST Mon Dec 11 2017

MIZ051-052-058-059-112230-
/O.CAN.KGRR.WW.Y.0020.000000T0000Z-171212T0600Z/
Montcalm-Gratiot-Ionia-Clinton-
Including the cities of Greenville, Alma, Ionia, and St. Johns
428 PM EST Mon Dec 11 2017

...WINTER WEATHER ADVISORY IS CANCELLED...

The heavy snow band will remain south of the area.

$$

MIZ037-043-050-056-064-071-120530-
/O.CON.KGRR.WS.W.0002.000000T0000Z-171213T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Ludington, Hart, Muskegon, Grand Haven, 
Jenison, Holland, and South Haven
428 PM EST Mon Dec 11 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Heavy lake effect snow occurring. Travel will be very 
  difficult to impossible, including during the evening commute 
  on Tuesday. Additional snow accumulations of 9 to 13 inches, 
  with localized amounts up to 17 inches, are expected.

* WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren 
  counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy lake effect snow means
significant amounts of lake effect snow are forecast that will
make travel very hazardous or impossible. If you must travel,
keep an extra flashlight, food, and water in your vehicle in case
of an emergency.

$$

MIZ066-067-073-074-120530-
/O.CON.KGRR.WW.Y.0020.000000T0000Z-171212T0600Z/
Eaton-Ingham-Calhoun-Jackson-
Including the cities of Charlotte, Lansing, Battle Creek, 
and Jackson
428 PM EST Mon Dec 11 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
TUESDAY...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of 2 to 4 inches are expected.

* WHERE...Eaton, Ingham, Calhoun and Jackson counties.

* WHEN...Until 1 AM EST Tuesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

MIZ038-039-044-057-065-072-120530-
/O.CON.KGRR.WW.Y.0020.000000T0000Z-171213T1200Z/
Lake-Osceola-Newaygo-Kent-Barry-Kalamazoo-
Including the cities of Baldwin, Reed City, Fremont, 
Grand Rapids, Hastings, and Kalamazoo
428 PM EST Mon Dec 11 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Lake effect snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 4 to 7 inches, 
  with localized amounts up to 13 inches, are expected.

* WHERE...Lake, Osceola, Newaygo, Kent, Barry and Kalamazoo 
  counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for lake effect snow means lake effect
snow is forecast that will make travel difficult in some areas.
Use caution when traveling.

$$

weather.gov/grr
372 
WWUS43 KGRR 120231
WSWGRR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
931 PM EST Mon Dec 11 2017

MIZ037-043-050-056-064-071-121045-
/O.CON.KGRR.WS.W.0002.000000T0000Z-171213T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Ludington, Hart, Muskegon, Grand Haven, 
Jenison, Holland, and South Haven
931 PM EST Mon Dec 11 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Heavy lake effect snow occurring. Plan on difficult 
  travel conditions, including during the evening commute on 
  Tuesday. Additional snow accumulations of 9 to 13 inches, with 
  localized amounts up to 17 inches, are expected.  
  Patchy freezing drizzle is possible as well tonight.

* WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren 
  counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy lake effect snow means
significant amounts of lake effect snow are forecast that will
make travel very hazardous or impossible. If you must travel,
keep an extra flashlight, food, and water in your vehicle in case
of an emergency.

$$

MIZ066-067-073-074-120600-
/O.CON.KGRR.WW.Y.0020.000000T0000Z-171212T0600Z/
Eaton-Ingham-Calhoun-Jackson-
Including the cities of Charlotte, Lansing, Battle Creek, 
and Jackson
931 PM EST Mon Dec 11 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
TUESDAY...

* WHAT...Snow occurring. Plan on slippery road conditions.
  Additional snow accumulations of up to 2 inches are expected.
  Patchy freezing drizzle is possible as well tonight.

* WHERE...Eaton, Ingham, Calhoun and Jackson counties.

* WHEN...Until 1 AM EST Tuesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

MIZ038-039-044-057-065-072-121045-
/O.CON.KGRR.WW.Y.0020.000000T0000Z-171213T1200Z/
Lake-Osceola-Newaygo-Kent-Barry-Kalamazoo-
Including the cities of Baldwin, Reed City, Fremont, 
Grand Rapids, Hastings, and Kalamazoo
931 PM EST Mon Dec 11 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Lake effect snow occurring. Plan on slippery road 
  conditions. In addition, areas of poor visibility are expected. 
  Additional snow accumulations of 4 to 7 inches, with localized 
  amounts up to 13 inches, are expected. Patchy freezing drizzle 
  is possible as well tonight.

* WHERE...Lake, Osceola, Newaygo, Kent, Barry and Kalamazoo 
  counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for lake effect snow means lake effect
snow is forecast that will make travel difficult in some areas.
Use caution when traveling.

$$

weather.gov/grr
396 
WWUS43 KGRR 120558
WSWGRR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
1258 AM EST Tue Dec 12 2017

MIZ037-043-050-056-064-071-121400-
/O.CON.KGRR.WS.W.0002.000000T0000Z-171213T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Ludington, Hart, Muskegon, Grand Haven, 
Jenison, Holland, and South Haven
1258 AM EST Tue Dec 12 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Heavy lake effect snow showers will become widespread by
  5 am. Plan on difficult travel conditions, including during the
  evening commute. Additional snow accumulations of 8 to 11 
  inches, with localized amounts up to 15 inches, are expected.

* WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren 
  counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy lake effect snow means
significant amounts of lake effect snow are forecast that will
make travel very hazardous or impossible. If you must travel,
keep an extra flashlight, food, and water in your vehicle in case
of an emergency.

$$

MIZ066-067-073-074-121000-
/O.EXT.KGRR.WW.Y.0020.000000T0000Z-171212T1000Z/
Eaton-Ingham-Calhoun-Jackson-
Including the cities of Charlotte, Lansing, Battle Creek, 
and Jackson
1258 AM EST Tue Dec 12 2017

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM EST EARLY
THIS MORNING...

* WHAT...Freezing drizzle mixed with snow is occurring but will
  change to all snow by 5 am. Plan on slippery road conditions. In
  addition, some reductions to visibility are expected. Additional
  snow accumulations will be much less than an inch.

* WHERE...Eaton, Ingham, Calhoun and Jackson counties.

* WHEN...Until 5 AM EST early this morning.

* ADDITIONAL DETAILS...Freezing drizzle will coat road surfaces,
  bridges and overpasses being the most impacted. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for freezing drizzle will result in
dangously slippery roads making travel difficult. Be prepared for
icy roads and limited visibilities, and use caution while 
driving.

$$

MIZ038-039-044-057-065-072-121400-
/O.CON.KGRR.WW.Y.0020.000000T0000Z-171213T1200Z/
Lake-Osceola-Newaygo-Kent-Barry-Kalamazoo-
Including the cities of Baldwin, Reed City, Fremont, 
Grand Rapids, Hastings, and Kalamazoo
1258 AM EST Tue Dec 12 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Lake effect snow showers will become widespread by 5 am.
  Plan on slippery road conditions. In addition, areas of poor 
  visibility are expected. Additional snow accumulations of 2 to 5
  inches, with localized amounts up to 11 inches, are expected.

* WHERE...Lake, Osceola, Newaygo, Kent, Barry and Kalamazoo 
  counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for lake effect snow means lake effect
snow is forecast that will make travel difficult in some areas.
Use caution when traveling.

$$

WDM


weather.gov/grr
865 
WWUS43 KGRR 120851
WSWGRR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
351 AM EST Tue Dec 12 2017

MIZ066-067-073-074-121000-
/O.CAN.KGRR.WW.Y.0020.000000T0000Z-171212T1000Z/
Eaton-Ingham-Calhoun-Jackson-
Including the cities of Charlotte, Lansing, Battle Creek, 
and Jackson
351 AM EST Tue Dec 12 2017

...WINTER WEATHER ADVISORY IS CANCELLED...

The freezing drizzle has ended as the colder air finally has
pushed in across the area. All areas are now getting snow showers.

$$

MIZ038-044-072-121700-
/O.UPG.KGRR.WW.Y.0020.000000T0000Z-171213T1200Z/
/O.EXA.KGRR.WS.W.0002.000000T0000Z-171213T1200Z/
Lake-Newaygo-Kalamazoo-
Including the cities of Baldwin, Fremont, and Kalamazoo
351 AM EST Tue Dec 12 2017

...WINTER STORM WARNING IN EFFECT UNTIL 7 AM EST WEDNESDAY...

* WHAT...Heavy lake effect snow squalls will continue into early
  tonight. Plan on very difficult travel conditions, including
  during the morning and evening commute. Due to the high snowfall
  rates and blowing and drifting snow, snow plows may not be able
  to keep up with keep the roads clear in some areas. Sections of
  some local roads may be impassable at times due to the extreme 
  drifting with the heavy snow squalls. Additional snow 
  accumulations of 5 to 8 inches, with localized amounts up to 13 
  inches, are expected.

* WHERE...The western sections Lake, Newaygo and Kalamazoo
  counties will see the greatest impacts from this event.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 30 mph will cause
  areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy lake effect snow means
significant amounts of lake effect snow are forecast that will
make travel very hazardous or impossible. If you must travel,
keep an extra flashlight, food, and water in your vehicle in case
of an emergency.

$$

MIZ037-043-050-056-064-071-121700-
/O.CON.KGRR.WS.W.0002.000000T0000Z-171213T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Ludington, Hart, Muskegon, Grand Haven, 
Jenison, Holland, and South Haven
351 AM EST Tue Dec 12 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Heavy lake effect snow squalls will continue into early
  tonight. Plan on very difficult travel conditions, including
  during the morning and evening commute. Due to the high snowfall
  rates and blowing and drifting snow, snow plows may not be able
  to keep up with keep the roads clear. Sections of some local
  roads may be impassable at times due to the extreme drifting
  with the heavy snow squalls. Additional snow accumulations of 7
  to 10 inches, with localized amounts up to 16 inches.

* WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren 
  counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will cause
  areas of near zero visibility in blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy lake effect snow means
significant amounts of lake effect snow are forecast that will
make travel very hazardous or impossible. If you must travel,
keep an extra flashlight, food, and water in your vehicle in case
of an emergency.

$$

MIZ039-057-065-121700-
/O.CON.KGRR.WW.Y.0020.000000T0000Z-171213T1200Z/
Osceola-Kent-Barry-
Including the cities of Reed City, Grand Rapids, and Hastings
351 AM EST Tue Dec 12 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Lake effect snow showers will continue through early 
  Wednesday morning. Plan on slippery road conditions, including 
  during the morning commute. In addition, areas of poor 
  visibility are expected. Additional snow accumulations of 2 to 4
  inches, with localized amounts up to 7 inches, are expected.

* WHERE...Osceola, Kent and Barry counties.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 30 mph will cause
  areas of blowing and drifting snow. Visibilities may be briefly
  near zero at time in open areas.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for lake effect snow means lake effect
snow is forecast that will make travel difficult in some areas.
Use caution when traveling.

$$

weather.gov/grr
703 
WWUS43 KGRR 121503
WSWGRR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
1003 AM EST Tue Dec 12 2017

MIZ038-044-122315-
/O.CAN.KGRR.WS.W.0002.000000T0000Z-171213T1200Z/
/O.NEW.KGRR.WW.Y.0021.171212T1503Z-171213T0500Z/
Lake-Newaygo-
Including the cities of Baldwin and Fremont
1003 AM EST Tue Dec 12 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow and blowing snow occurring. Plan on slippery road 
  conditions. In addition, some reductions to visibility are 
  expected. Additional snow accumulations of 2 to 4 inches, with 
  localized amounts up to 7 inches, are expected. 

* WHERE...Lake and Newaygo counties.

* WHEN...Until midnight EST tonight.

* ADDITIONAL DETAILS...Winds gusting as high as 30 mph will 
  cause patchy blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow and blowing snow means periods
of snow and blowing snow will cause primarily travel
difficulties. Be prepared for snow covered roads and limited
visibilities, and use caution while driving.

$$

MIZ039-057-065-121615-
/O.CAN.KGRR.WW.Y.0020.000000T0000Z-171213T1200Z/
Osceola-Kent-Barry-
Including the cities of Reed City, Grand Rapids, and Hastings
1003 AM EST Tue Dec 12 2017

...WINTER WEATHER ADVISORY IS CANCELLED...



$$

MIZ037-043-050-056-064-071-072-122315-
/O.CON.KGRR.WS.W.0002.000000T0000Z-171213T1200Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-Kalamazoo-
Including the cities of Ludington, Hart, Muskegon, Grand Haven, 
Jenison, Holland, South Haven, and Kalamazoo
1003 AM EST Tue Dec 12 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

* WHAT...Heavy lake effect snow occurring. Plan on difficult 
  travel conditions. Additional snow accumulations of 5 to 8 
  inches, with localized amounts up to 11 inches, are expected.

* WHERE...Portions of southwest and west central Michigan.

* WHEN...Until 7 AM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 35 mph will 
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy lake effect snow means
significant amounts of lake effect snow are forecast that will
make travel very hazardous or impossible. If you must travel,
keep an extra flashlight, food, and water in your vehicle in case
of an emergency.

$$

weather.gov/grr
824 
WWUS43 KGRR 122045
WSWGRR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
345 PM EST Tue Dec 12 2017

MIZ072-130445-
/O.CAN.KGRR.WS.W.0002.000000T0000Z-171213T1200Z/
/O.NEW.KGRR.WW.Y.0022.171213T1200Z-171214T0400Z/
Kalamazoo-
Including the city of Kalamazoo
345 PM EST Tue Dec 12 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TO 11 PM EST
WEDNESDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow expected. Plan on slippery road conditions, 
  including during the evening commute on Wednesday. Total snow 
  accumulations of 4 to 6 inches are expected.

* WHERE...Kalamazoo county.

* WHEN...From 7 AM to 11 PM EST Wednesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

MIZ038-044-130445-
/O.CAN.KGRR.WW.Y.0021.000000T0000Z-171213T0500Z/
/O.NEW.KGRR.WW.Y.0022.171213T1200Z-171214T0400Z/
Lake-Newaygo-
Including the cities of Baldwin and Fremont
345 PM EST Tue Dec 12 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TO 11 PM EST
WEDNESDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

* WHAT...Snow expected. Plan on slippery road conditions, 
  including during the evening commute on Wednesday. Total snow 
  accumulations of 4 to 6 inches are expected.

* WHERE...Lake and Newaygo counties.

* WHEN...From 7 AM to 11 PM EST Wednesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

MIZ037-043-050-056-064-071-130445-
/O.EXT.KGRR.WS.W.0002.000000T0000Z-171214T0400Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Ludington, Hart, Muskegon, Grand Haven, 
Jenison, Holland, and South Haven
345 PM EST Tue Dec 12 2017

...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 PM EST WEDNESDAY...

* WHAT...Heavy lake effect snow occurring. Plan on difficult 
  travel conditions, including during the evening commute. 
  Additional snow accumulations of 7 to 10 inches are expected.

* WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren 
  counties.

* WHEN...Until 11 PM EST Wednesday.

* ADDITIONAL DETAILS...Winds gusting as high as 30 mph tonight will
  cause areas of blowing and drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy lake effect snow means
significant amounts of lake effect snow are forecast that will
make travel very hazardous or impossible. If you must travel,
keep an extra flashlight, food, and water in your vehicle in case
of an emergency.

$$

MIZ039-040-045-046-051-052-057>059-065>067-073-074-130445-
/O.NEW.KGRR.WW.Y.0022.171213T1200Z-171214T0400Z/
Osceola-Clare-Mecosta-Isabella-Montcalm-Gratiot-Kent-Ionia-
Clinton-Barry-Eaton-Ingham-Calhoun-Jackson-
Including the cities of Reed City, Clare, Big Rapids, 
Mount Pleasant, Greenville, Alma, Grand Rapids, Ionia, St. Johns,
Hastings, Charlotte, Lansing, Battle Creek, and Jackson
345 PM EST Tue Dec 12 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TO 11 PM EST
WEDNESDAY...

* WHAT...Snow expected. Plan on difficult travel conditions, 
  including during the evening commute on Wednesday. Total snow 
  accumulations of 4 to 8 inches are expected.

* WHERE...Portions of central, south central and southwest 
  Michigan.

* WHEN...From 7 AM to 11 PM EST Wednesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

weather.gov/grr
546 
WWUS43 KGRR 130231
WSWGRR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
931 PM EST Tue Dec 12 2017

MIZ037-043-050-056-064-071-131045-
/O.CON.KGRR.WS.W.0002.000000T0000Z-171214T0400Z/
Mason-Oceana-Muskegon-Ottawa-Allegan-Van Buren-
Including the cities of Ludington, Hart, Muskegon, Grand Haven, 
Jenison, Holland, and South Haven
931 PM EST Tue Dec 12 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM EST
WEDNESDAY...

* WHAT...Heavy snow expected. Plan on difficult travel 
  conditions, including during commutes on Wednesday. Additional 
  snow accumulations of 6 to 8 inches are expected.

* WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren 
  counties.

* WHEN...Until 11 PM EST Wednesday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for heavy lake effect snow means
significant amounts of lake effect snow are forecast that will
make travel very hazardous or impossible. If you must travel,
keep an extra flashlight, food, and water in your vehicle in case
of an emergency.

$$

MIZ038>040-044>046-051-052-057>059-065>067-072>074-131045-
/O.CON.KGRR.WW.Y.0022.171213T1200Z-171214T0400Z/
Lake-Osceola-Clare-Newaygo-Mecosta-Isabella-Montcalm-Gratiot-Kent-
Ionia-Clinton-Barry-Eaton-Ingham-Kalamazoo-Calhoun-Jackson-
Including the cities of Baldwin, Reed City, Clare, Fremont, 
Big Rapids, Mount Pleasant, Greenville, Alma, Grand Rapids, 
Ionia, St. Johns, Hastings, Charlotte, Lansing, Kalamazoo, 
Battle Creek, and Jackson
931 PM EST Tue Dec 12 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 11 PM
EST WEDNESDAY...

* WHAT...Snow expected. Plan on difficult travel conditions, 
  including during the evening commute on Wednesday. Total snow 
  accumulations of 4 to 7 inches are expected.

* WHERE...Portions of central, south central, southwest and west 
  central Michigan.

* WHEN...From 7 AM to 11 PM EST Wednesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

weather.gov/grr
971 
WWUS43 KGRR 130851
WSWGRR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
351 AM EST Wed Dec 13 2017

MIZ037-043-050-131700-
/O.CAN.KGRR.WS.W.0002.000000T0000Z-171214T0400Z/
/O.NEW.KGRR.WS.W.0003.171213T1200Z-171214T0400Z/
Mason-Oceana-Muskegon-
Including the cities of Ludington, Hart, and Muskegon
351 AM EST Wed Dec 13 2017

...WINTER STORM WARNING IN EFFECT FROM 7 AM THIS MORNING TO 11 PM
EST THIS EVENING...

* WHAT...Heavy snow expected. Plan on difficult travel conditions,
  especially this afternoon and evening. Total snow accumulations
  of 5 to 8 inches are expected.

* WHERE...Mason, Oceana and Muskegon counties.

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

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times as snowfall rates may reach an inch an hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.

$$

MIZ056-064-071-131700-
/O.CAN.KGRR.WS.W.0002.000000T0000Z-171214T0400Z/
/O.EXA.KGRR.WW.Y.0022.171213T1200Z-171214T0400Z/
Ottawa-Allegan-Van Buren-
Including the cities of Grand Haven, Jenison, Holland, 
and South Haven
351 AM EST Wed Dec 13 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO
11 PM EST THIS EVENING...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow expected. Plan on slippery road conditions,
  including during the evening commute. Total snow accumulations
  of 2 to 5 inches.

* WHERE...Ottawa, Allegan and Van Buren counties.

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

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

MIZ038-044>046-051-052-057>059-066-067-131700-
/O.UPG.KGRR.WW.Y.0022.171213T1200Z-171214T0400Z/
/O.NEW.KGRR.WS.W.0003.171213T1200Z-171214T0400Z/
Lake-Newaygo-Mecosta-Isabella-Montcalm-Gratiot-Kent-Ionia-Clinton-
Eaton-Ingham-
Including the cities of Baldwin, Fremont, Big Rapids, 
Mount Pleasant, Greenville, Alma, Grand Rapids, Ionia, St. Johns,
Charlotte, and Lansing
351 AM EST Wed Dec 13 2017

...WINTER STORM WARNING IN EFFECT FROM 7 AM THIS MORNING TO 11 PM
EST THIS EVENING...

* WHAT...Heavy snow expected. Plan on difficult travel conditions,
  including during the afternoon and evening hours. Total snow 
  accumulations of 5 to 8 inches are expected.

* WHERE...Portions of central, south central, southwest and west 
  central Michigan.

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

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times as snowfall rates may reach an inch an hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.

$$

MIZ039-040-131700-
/O.CON.KGRR.WW.Y.0022.171213T1200Z-171214T0400Z/
Osceola-Clare-
Including the cities of Reed City and Clare
351 AM EST Wed Dec 13 2017

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

* WHAT...Snow expected. Plan on slippery road conditions, 
  including during the evening commute. Total snow accumulations 
  of 3 to 6 inches are expected.

* WHERE...Osceola and Clare counties.

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

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

MIZ065-072>074-131700-
/O.CON.KGRR.WW.Y.0022.171213T1200Z-171214T0400Z/
Barry-Kalamazoo-Calhoun-Jackson-
Including the cities of Hastings, Kalamazoo, Battle Creek, 
and Jackson
351 AM EST Wed Dec 13 2017

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

* WHAT...Snow expected. Plan on slippery road conditions, 
  including during the evening commute. Total snow accumulations 
  of 4 to 6 inches are expected.

* WHERE...Barry, Kalamazoo, Calhoun and Jackson counties.

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

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.

$$

weather.gov/grr

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 9:50 PM ESTSpecial Weather StatementGRRCalhoun, Clinton, Eaton, Ingham, Jackson115 min
Dec 11, 2:57 AM ESTGale WarningGRR37 hr
Dec 11, 3:41 AM ESTWinter Weather AdvisoryGRRBarry, Calhoun, Clinton, Eaton, Gratiot, Ingham and 8 more30 hr

Nearby

Winter Storm Warnings in Michigan, 2017Every winter storm warning in 2017

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.