Alert archive / Michigan / Winter Storm Warnings in 2021

Winter Storm Warning 3, NWS Gaylord, MI

March 1, 2021Chippewa County, Michigan

NWS Gaylord, MI issued this winter storm warning at Mar 1, 2021, 10:35 AM EST for Chippewa County, Michigan. It was in force for 12 hr. 2 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
Mar 1, 2021, 10:35 AM EST (15:35 UTC)
Expired
Mar 1, 2021, 11:00 PM EST
In force
12 hr
Issued by
NWS Gaylord, MI

County Chippewa County, MI

The radar

The NCL Michigan radar (KAPX), 159 km from the middle of the area, began a volume at 15:38 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
Mar 1, 12:00 PM ESTSNOW 0.11 Sse Kinross, MINEAR-BLIZZARD CONDITIONS OBSERVED AT CHIPPEWA COUNTY INTL AIRPORT (CIU) FROM 910 AM TO 400 PM.
Mar 1, 2:00 PM ESTSNOW 0.13 Wnw Dafter, MIM-28 WAS CLOSED FOR SEVERAL HOURS THIS AFTERNOON BETWEEN I-75 AND M-221, DUE TO FALLING AND BLOWING SNOW. APPROX 40 VEHICLES WERE IN DITCHES, STUCK, OR ABANDONED. ROAD HAS BEEN REOPENED.

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

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 3.6 hours before the alert went out and 217 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 2021-03-01Temperature 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, Alpena, MI at 12:00Z on 2021-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 square meters per square second.1939587897117136Sfc1 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
635 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

062 
WWUS43 KAPX 011535
WSWAPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Gaylord MI
1035 AM EST Mon Mar 1 2021

MIZ086-087-012345-
/O.UPG.KAPX.WW.Y.0017.000000T0000Z-210301T2100Z/
/O.NEW.KAPX.WS.W.0003.210301T1535Z-210302T0400Z/
Western Chippewa-Central Chippewa-
Including the cities of Paradise, Trout Lake, Rudyard, 
Sault Ste. Marie, Brimley, Kinross, and Sugar Island
1035 AM EST Mon Mar 1 2021

...WINTER STORM WARNING IN EFFECT UNTIL 11 PM EST THIS EVENING...

* WHAT...Heavy lake effect snow. Additional snow accumulations of
  3 to 5 inches with locally higher amounts. Winds gusting as 
  high as 35 mph.

* WHERE...Western Chippewa and Central Chippewa Counties.

* WHEN...Until 11 PM EST this evening.

* IMPACTS...Plan on snow covered and slippery road conditions.
  Blowing snow will significantly reduce visibility to near zero
  at times. The hazardous conditions will likely impact the 
  evening commute.


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
2 follow-up statements
541 
WWUS43 KAPX 012059
WSWAPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Gaylord MI
359 PM EST Mon Mar 1 2021

MIZ086-087-020400-
/O.CON.KAPX.WS.W.0003.000000T0000Z-210302T0400Z/
Western Chippewa-Central Chippewa-
Including the cities of Paradise, Trout Lake, Rudyard, 
Sault Ste. Marie, Brimley, Kinross, and Sugar Island
359 PM EST Mon Mar 1 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS
EVENING...

* WHAT...Heavy lake effect snow and blowing snow. Additional snow
  accumulations of up to two inches.

* WHERE...Western Chippewa and Central Chippewa Counties.

* WHEN...Until 11 PM EST this evening.

* IMPACTS...Plan on slippery road conditions. Blowing snow will
  significantly reduce visibility to near zero at times. The
  hazardous conditions will likely impact the evening commute.

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
561 
WWUS43 KAPX 020348
WSWAPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Gaylord MI
1048 PM EST Mon Mar 1 2021


MIZ086-087-020500-
/O.EXP.KAPX.WS.W.0003.000000T0000Z-210302T0400Z/
Western Chippewa-Central Chippewa-
Including the cities of Paradise, Trout Lake, Rudyard, 
Sault Ste. Marie, Brimley, Kinross, and Sugar Island
1048 PM EST Mon Mar 1 2021

...WINTER STORM WARNING WILL EXPIRE AT 11 PM EST THIS EVENING...

Scattered, light lake effect snow showers will continue until late
tonight. Local accumulations overnight in western and central
Chippewa County will be up to an inch. Winds will also continue to
weaken.

$$

http://www.weather.gov/gaylord

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 9:40 PM ESTWinter Weather AdvisoryAPXChippewa13 hr

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.