Alert archive / Michigan / Winter Storm Warnings in 2021

Winter Storm Warning 2, NWS Gaylord, MI

February 19, 20214 counties in Michigan

NWS Gaylord, MI issued this winter storm warning at Feb 19, 2021, 11:21 PM EST for 4 counties in Michigan. It was in force for 12 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
Feb 19, 2021, 11:21 PM EST (04:21 UTC)
Expired
Feb 20, 2021, 11:00 AM EST
In force
12 hr
Issued by
NWS Gaylord, MI

Counties Benzie County, MI, Grand Traverse County, MI, Leelanau County, MI, Manistee County, MI

The radar

The NCL Michigan radar (KAPX), 104 km from the middle of the area, began a volume at 04:24 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 20, 12:36 AM ESTSNOW 53 W Suttons Bay, MI12 HR TOTAL REPORTED IN DOWNTOWN LAKE LEELANAU.
Feb 20, 12:54 AM ESTSNOW 13.53 Sse Traverse City, MIREPORT FROM SOCIAL MEDIA. SNOW FELL BETWEEN 430PM AND MIDNIGHT. SNOW STILL FALLING AT OBS TIME.
Feb 20, 7:00 AM ESTSNOW 3.22 Wsw Fife Lake, MI24 HOUR SNOW FALL TOTAL ENDING AT 700 AM. SNOW DEPTH 17 INCHES.
Feb 20, 7:00 AM ESTHEAVY SNOW 7.34 Ene Arcadia, MI24 HOUR SNOW FALL TOTAL ENDING AT 700 AM. SNOW DEPTH 17 INCHES.
Feb 20, 8:00 AM ESTSNOW 63 N Wellston, MI24 HR TOTAL ENDING 800AM. SNOW DEPTH 26 INCHES.
Feb 20, 8:00 AM ESTHEAVY SNOW 134 Sw Bates, MI17 HOUR SNOWFALL TOTAL ENDING AT 800 AM.
Feb 20, 9:00 AM ESTHEAVY SNOW 93 Wnw Wellston, MI15 HOUR SNOWFALL TOTAL ENDING 900 AM. SNOW DEPTH 18 INCHES.
Feb 20, 9:30 AM ESTHEAVY SNOW 17.53 W Suttons Bay, MI17 HOUR SNOW FALL TOTAL ENDING AT 930 AM.
Feb 20, 9:43 AM ESTHEAVY SNOW 117 Ssw Bates, MI24 HOUR SNOW FALL TOTAL ENDING AT 930 AM.
Feb 20, 10:32 AM ESTHEAVY SNOW 12.75 Sw Bates, MI24 HOUR SNOW FALL TOTAL ENDING AT 700 AM. SNOW DEPTH 22 INCHES.
Feb 20, 10:33 AM ESTHEAVY SNOW 64 Wnw Wellston, MI24 HOUR SNOW FALL TOTAL ENDING AT 700 AM.
Feb 20, 10:34 AM ESTHEAVY SNOW 7.65 S Benzonia, MI24 HOUR SNOW FALL TOTAL ENDING AT 700 AM. SNOW DEPTH 21 INCHES.
Feb 20, 10:35 AM ESTHEAVY SNOW 7.83 Ene Kingsley, MI24 HOUR SNOW FALL TOTAL ENDING AT 700 AM. SNOW DEPTH 20 INCHES.

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 00:00Z, 4.4 hours before the alert went out and 167 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 00:00Z on 2021-02-20Temperature 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 00:00Z on 2021-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.193958Sfc1 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
1130 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

348 
WWUS43 KAPX 200421
WSWAPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Gaylord MI
1121 PM EST Fri Feb 19 2021

MIZ020-025-026-031-201230-
/O.UPG.KAPX.WW.Y.0015.000000T0000Z-210220T0900Z/
/O.NEW.KAPX.WS.W.0002.210220T0421Z-210220T1600Z/
Leelanau-Benzie-Grand Traverse-Manistee-
Including the cities of Northport, Frankfort, Traverse City, 
and Manistee
1121 PM EST Fri Feb 19 2021

...WINTER STORM WARNING IN EFFECT UNTIL 11 AM EST SATURDAY...

* WHAT...Heavy lake effect snow. Additional snow accumulations of
  3 to 6 inches. Total snow accumulations of up to a foot where
  snow showers are most persistent. Locally higher amounts
  expected.

* WHERE...Leelanau, Benzie, Grand Traverse and Manistee Counties.

* WHEN...Until 11 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions and periods of poor
  visibility. Travel will be hazardous in many areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MIZ032-200900-
/O.CON.KAPX.WW.Y.0015.000000T0000Z-210220T0900Z/
Wexford-
Including the city of Cadillac
1121 PM EST Fri Feb 19 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
SATURDAY...

* WHAT...Lake effect snow. Additional snow accumulations of up to
  two inches.

* WHERE...Wexford County.

* WHEN...Until 4 AM EST Saturday.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

http://www.weather.gov/gaylord
2 follow-up statements
395 
WWUS43 KAPX 200855
WSWAPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Gaylord MI
355 AM EST Sat Feb 20 2021

MIZ032-201000-
/O.CAN.KAPX.WW.Y.0015.000000T0000Z-210220T0900Z/
Wexford-
Including the city of Cadillac
355 AM EST Sat Feb 20 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

The heavier snow has mostly ended. Therefore, the winter weather
advisory has been cancelled. Expect additional scattered snow
showers through this morning. 

$$

MIZ020-025-026-031-201600-
/O.CON.KAPX.WS.W.0002.000000T0000Z-210220T1600Z/
Leelanau-Benzie-Grand Traverse-Manistee-
Including the cities of Northport, Frankfort, Traverse City, 
and Manistee
355 AM EST Sat Feb 20 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS
MORNING...

* WHAT...Lake effect snow is currently impacting mainly immediate
  coastal communities, or is poised just offshore. This is
  creating a little bit of a lull in the action. There are
  additional snow showers that are still quite heavy, which are
  expected to move more inland through this morning. Additional
  snow accumulations of 1 to 3 inches. Locally higher amounts
  possible.

* WHERE...Leelanau, Grand Traverse, Benzie and Manistee Counties.

* WHEN...Until 11 AM EST this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

http://www.weather.gov/gaylord
687 
WWUS43 KAPX 201603
WSWAPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Gaylord MI
1103 AM EST Sat Feb 20 2021

MIZ020-025-026-031-201715-
/O.EXP.KAPX.WS.W.0002.000000T0000Z-210220T1600Z/
Leelanau-Benzie-Grand Traverse-Manistee-
Including the cities of Northport, Frankfort, Traverse City, 
and Manistee
1103 AM EST Sat Feb 20 2021

...WINTER STORM WARNING HAS EXPIRED...

$$

http://www.weather.gov/gaylord

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.