Advisories and winter storm warnings for parts of northern MN

Snow will continue over much of northern Minnesota through this evening and overnight.

The Duluth office of the National Weather Service has issued a winter storm warning from 6 p.m. Friday to 6 a.m. Saturday along the north shore of Lake Superior, and a winter weather advisory through 6 a.m. Saturday for the remainder of northeastern Minnesota and north-central Minnesota:

rt1230adv6
NWS Duluth

Here are some details of the winter storm warning, from the NWS:

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URGENT - WINTER WEATHER MESSAGE

NATIONAL WEATHER SERVICE DULUTH MN

357 PM CST FRI DEC 30 2016

MNZ020-021-310800-

/O.UPG.KDLH.WW.Y.0026.161231T0000Z-161231T1200Z/

/O.NEW.KDLH.WS.W.0008.161231T0000Z-161231T1200Z/

SOUTHERN LAKE/NORTH SHORE-SOUTHERN COOK/NORTH SHORE-

INCLUDING THE CITIES OF...TWO HARBORS...SILVER BAY...GRAND MARAIS

357 PM CST FRI DEC 30 2016

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN DULUTH HAS ISSUED A WINTER STORM

WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 6 AM CST SATURDAY.

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* LOCATIONS...TWO HARBORS...SILVER BAY...GRAND MARAIS AND GRAND

PORTAGE.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* TIMING...SNOW WILL CONTINUE THIS EVENING BEFORE DIMINISHING

TOWARDS SATURDAY MORNING.

* VISIBILITIES...MAY BE LOWERED IN MORE INTENSE BANDS OF SNOW.

* IMPACTS...THE HEAVY SNOW WILL MAKE MANY ROADS IMPASSABLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS HEAVY SNOW

ACCUMULATION IS ANTICIPATED, AND THAT SNOWFALL RATES OF ONE INCH

PER HOUR OR GREATER CAN BE EXPECTED AT TIMES. EXPECT SNOW AND ICE

COVERED ROADS AND VISIBILITY LESS THAN A QUARTER MILE. IF YOU MUST

TRAVEL...EXERCISE EXTREME CAUTION AND ALLOW EXTRA TIME TO REACH

YOUR DESTINATION. IN CASE YOU GET STRANDED...KEEP A WORKING CELL

PHONE AND WINTER SURVIVAL KIT IN YOUR VEHICLE...INCLUDING A

FLASHLIGHT...FOOD AND WATER.

And details of the winter weather advisory:

URGENT - WINTER WEATHER MESSAGE

NATIONAL WEATHER SERVICE DULUTH MN

357 PM CST FRI DEC 30 2016

MNZ010>012-018-019-026-310800-

/O.CON.KDLH.WW.Y.0026.000000T0000Z-161231T1200Z/

KOOCHICHING-NORTH ST. LOUIS-NORTHERN COOK/NORTHERN LAKE-

NORTH ITASCA-CENTRAL ST. LOUIS-SOUTH ITASCA-

INCLUDING THE CITIES OF...INTERNATIONAL FALLS...ELY...ISABELLA...

BIGFORK...HIBBING...GRAND RAPIDS

357 PM CST FRI DEC 30 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST

SATURDAY...

* LOCATIONS...INTERNATIONAL FALLS...ELY...ISABELLA...BIGFORK...

HIBBING AND GRAND RAPIDS

* SNOW ACCUMULATIONS...3 TO 5 INCHES.

* TIMING...SNOW TO CONTINUE TONIGHT THEN END SLOWLY SATURDAY

MORNING.

* VISIBILITIES...MAY BE LOWERED IN MORE INTENSE BANDS OF SNOW.

* IMPACTS...THE HEAVY SNOW WILL CREATE SNOW COVERED ROADS AND

PRODUCE SCATTERED POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT ACCUMULATING SNOW

WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED

ROADS AND REDUCED VISIBILITY...AND USE CAUTION WHILE DRIVING.

ALLOW EXTRA TIME TO REACH YOUR DESTINATION.

A winter weather advisory for snow continues until midnight over northwestern Minnesota:

rt1230adv7
NWS Grand Forks, ND

The National Oceanic and Atmospheric Administration’s North American Mesoscale forecast model shows the expected snowfall pattern:

rt1230fcstsfc4
NOAA NAM simulated radar from 6 p.m. today to 9 a.m. Saturday, via tropicaltidbits.com

The color chart on the lower right of the loop refers to the strength of the radar signal returning to the radar, not inches of snow!

We'll have details on Minnesota's snow potential next Monday afternoon and Monday night in the next Updraft update.