083  
FXUS63 KMQT 162323  
AFDMQT  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MARQUETTE MI  
623 PM EST THU JAN 16 2025  
   
KEY MESSAGES  
 
- NORTHWEST LAKE EFFECT SNOW GRADUALLY TAPERS OFF TONIGHT.  
ADDITIONAL SNOW ACCUMULATIONS ARE EXPECTED TO BE LESS THAN AN  
INCH, ALTHOUGH, AN ADDITIONAL 1-2 INCHES IS POSSIBLE IN LUCE  
COUNTY EASTWARD.  
 
- DANGEROUSLY COLD ARCTIC AIR SETTLES INTO THE AREA THIS WEEKEND  
INTO EARLY NEXT WEEK, LEADING TO TEMPERATURES REMAINING  
SUBZERO FROM SATURDAY NIGHT THROUGH AT LEAST TUESDAY MORNING  
OVER INTERIOR WESTERN UPPER MICHIGAN. MUCH OF THE REST OF WEST  
AND CENTRAL UPPER MICHIGAN MAY SEE TEMPERATURES FAIL TO RISE  
ABOVE ZERO ON MONDAY AND MAYBE TUESDAY.  
 
- HOMEOWNERS AND PROPERTY MANAGERS SHOULD TAKE ACTION NOW FOR  
THIS COLD PERIOD, ESPECIALLY IF PAST VERY COLD PERIODS HAVE  
YIELDED IMPACTS. ENSURE YOUR WINTER CAR SURVIVAL KIT IS UP-TO-  
DATE. THIS WEEKEND THROUGH TUESDAY, LIMIT TIME OUTDOORS FOR  
YOU AND YOUR PETS, AND CHECK ON VULNERABLE NEIGHBORS.  
 
- FREQUENT WHITEOUTS ARE EXPECTED IN THE NORTHWEST WIND SNOW  
BELTS SATURDAY THROUGH TUESDAY MORNING DUE TO THE FALLING SNOW  
BEING A FINE, POWDERY TYPE SNOW THAT IS HIGHLY EFFECTIVE AT  
REDUCING . EXPECT VERY HAZARDOUS DRIVING CONDITIONS IN THE  
LAKE EFFECT SNOW AREAS.  
 
- NO WIDESPREAD, SIGNIFICANT SNOWFALLS FOR UPPER MI THROUGH NEXT WEEK.  
NEARLY ALL OF THE SNOW THAT OCCURS WILL BE LAKE EFFECT DRIVEN.  
 
 
   
SHORT TERM /THROUGH TONIGHT/  
 
ISSUED AT 302 PM EST THU JAN 16 2025  
 
AFTERNOON RAP ANALYSIS AND WATER VAPOR IMAGERY REVEAL TROUGHING  
NUDGING INTO THE UPPER GREAT LAKES AND DRIER LOW LEVEL AIR MAKING AN  
EASTWARD TREK ACROSS LAKE SUPERIOR. THIS IS ACTIVELY WORKING TO  
DIMINISHING NW LAKE EFFECT SNOW ACROSS THE FORECAST AREA, WHERE THE  
WEST HALF HAS BEEN DRY THE LAST SEVERAL HOURS. MEANWHILE, LIGHT LAKE  
EFFECT SNOW SHOWERS ARE ONGOING ACROSS THE EAST HALF OF THE UP AND  
WILL CONTINUE THROUGH THE EVENING. INTO TONIGHT, DRY AIR WILL  
CONTINUE TO EAT AWAY AT LAKE INDUCED INVERSION HEIGHTS, TAPERING OFF  
LES ACROSS THE EAST BEFORE THE SURFACE RIDGE AXIS PRESSES INTO THE  
UP, BACKING WINDS TO THE SW AND KICKING ANY REMAINING SHOWERS  
OFFSHORE. OVERALL, SNOW ACCUMULATIONS THROUGH FRIDAY MORNING ARE  
EXPECTED TO REMAIN LOW, GENERALLY LESS THAN AN INCH ACROSS THE EAST-  
CENTRAL, THOUGH LUCE COUNTY COULD PICK UP ANOTHER 1-2" CONSIDERING  
THE FAR EAST WILL HOLD ONTO LOW-LEVEL MOISTURE THE LONGEST. LOWS  
TONIGHT WILL DIP INTO THE TEENS ACROSS THE INTERIOR TO NEAR 20F  
ALONG THE LAKESHORES.  
 
UPSTREAM, A CLIPPER IS FORECAST TO DIG INTO THE UPPER  
GREAT LAKES AND SEND A SUB-990MB SFC LOW NORTH OF LAKE SUPERIOR  
THROUGH FRIDAY. ISENTROPIC UPLIFT NOTED AROUND THE ~290K THETA SFC  
FRIDAY MORNING COULD TOUCH OFF SOME LIGHT SNOW SHOWERS ACROSS THE  
WEST-CENTRAL UP IN THE AM HOURS, HOWEVER FORECAST SOUNDINGS SHOW A  
STOUT DRY LAYER BELOW 700MB, WHICH WILL BE DIFFICULT TO OVERCOME;  
THUS POPS HAVE BEEN CAPPED TO AROUND 20%.  
 
OTHERWISE, SOUTH-SOUTHWEST WINDS WILL BE ON THE INCREASE EARLY  
FRIDAY MORNING COINCIDING A 40-45KT LOW-LEVEL JET NOSING INTO THE  
WEST-CENTRAL UP. AREAS SUSCEPTIBLE TO STRONG DOWNSLOPING ALONG THE  
LAKE SUPERIOR SHORELINE IN MARQUETTE AND ALGER COUNTIES COULD SEE A  
GUSTY MORNING WITH SFC WINDS UPWARDS OF 35-40 MPH (>75% CHANCE).  
 
 
   
LONG TERM /FRIDAY THROUGH THURSDAY/  
 
ISSUED AT 506 PM EST THU JAN 16 2025  
 
MEDIUM RANGE MODEL GUIDANCE REMAINS IN EXCELLENT AGREEMENT ON THE  
LARGE SCALE SURGE OF ARCTIC AIR INTO THE U.S. THIS WEEKEND INTO  
EARLY NEXT WEEK. THIS SURGE OF ARCTIC AIR WILL BE DRIVEN BY A  
BUILDING RIDGE OVER THE NE PACIFIC THAT BECOMES HIGHLY AMPLIFIED  
NORTHWARD THRU ALASKA/NW CANADA INTO THE HIGH ARCTIC OVER THE  
WEEKEND, FORCING A SIGNIFICANTLY DEEPENING TROF DOWNSTREAM ACROSS  
CENTRAL TO EASTERN N AMERICA. NEGATIVE HEIGHT ANOMALIES AT 500MB IN  
THIS TROF SETTLE AT ~320M (2.2-2.6 SIGMA) OVER WI ON MON. OVER THE  
LAST 24HRS OF MODEL RUNS, ENSEMBLES HAVE SETTLED ON 850MB TEMPS  
DROPPING TO -30 TO -31C INTO WESTERN UPPER MI IN THE CORE OF THE  
COLD AIR AS IT REACHES UPPER MI. 850MB TEMPS THAT LOW AT THIS TIME  
OF YEAR VERY EASILY SUPPORT 2M TEMPS REMAINING SUBZERO DURING THE  
DAYLIGHT HRS ACROSS INTERIOR WESTERN UPPER MI AND LIKELY THRU MUCH  
OF CENTRAL UPPER MI AS WELL. IN ADDITION, WITH 850MB TEMPS AT -30C  
TO -31C AT LOWEST, WOULD EXPECT TEMPS DURING THE DAYLIGHT HRS OVER  
INTERIOR WESTERN UPPER MI (GENERALLY IRONWOOD TO IRON RIVER AREA) TO  
STRUGGLE TO GET ABOVE -10F SUN/MON, MON IN PARTICULAR AS THE CORE OF  
THE COLDEST AIR PASSES ON THAT DAY, LEADING TO THE COLDEST DAY FCST  
AREA WIDE. ONCE TEMPS FALL BLO 0F OVER INTERIOR WESTERN UPPER MI SAT  
NIGHT, THEY WON'T RISE ABOVE 0F UNTIL SOMETIME TUE AFTN AT THE VERY  
EARLIEST, BUT IT SEEMS MORE LIKELY NOW THAT IT WILL BE LATE WED  
MORNING BEFORE THAT HAPPENS. WITH THE EXCEPTION OF AREAS FROM  
MENOMINEE TO ESCANABA, MANISTIQUE AND NEWBERRY, AND ALONG THE LAKE  
SUPERIOR SHORE WHERE W TO NW WINDS ARE ONSHORE, MUCH OF THE REST OF  
THE FCST AREA MAY REMAIN BLO 0F MON AND POTENTIALLY TUE. MIN TEMPS  
WILL RANGE DOWN THRU THE NEGATIVE TEENS AND -20S F AWAY FROM LAKE  
SUPERIOR. TEMPS WILL EVEN FALL SUBZERO TO LAKE SUPERIOR, EXCEPT  
WHERE W TO NW WINDS ARE ONSHORE. THERE IS THE POTENTIAL FOR A  
MORNING OR TWO WITH AIR TEMPS FALLING TO OR BLO -30F IN IRON COUNTY,  
MAYBE GOGEBIC COUNTY, BUT THAT WILL DEPEND ON WHETHER SFC WINDS  
LARGELY DECOUPLE. SEEMS UNLIKELY, BUT SUN NIGHT AND MON NIGHT WOULD  
BE THE NIGHTS TO WATCH. A FEW RECORD LOW MIN AND RECORD LOW MAX  
TEMPS MAY BE SET ACROSS UPPER MI WITH THIS ARCTIC OUTBREAK.  
HOMEOWNERS AND PROPERTY MANAGERS WHO HAVE HAD ISSUES WITH WATER  
PIPES FREEZING DURING PERIODS OF VERY COLD CONDITIONS SHOULD MAKE  
PREPARATIONS NOW. AREAS THAT HAVE VERY LITTLE SNOW COVER COULD ALSO  
BECOME AT RISK FOR FREEZING OF WATER SUPPLY LINES EARLY NEXT WEEK AS  
GROUND FROST DEPTHS DEEPEN RAPIDLY.  
 
FORTUNATELY, WINDS WON'T BE STRONG TO REALLY DRIVE WIND CHILLS DOWN  
DURING THIS THE ARCTIC OUTBREAK. NONETHELESS, THE COLD WILL BE  
DANGEROUS, AND EXPECT CONDITIONS TO WARRANT COLD WEATHER ADVISORIES.  
A FEW EXTREME COLD WARNINGS WILL BE POSSIBLE INTERIOR W. EVEN LIGHT  
WINDS COULD RESULT IN CONDITIONS FEELING LIKE -20 TO -40. THESE  
CONDITIONS CAN RESULT IN HYPOTHERMIA AND FROSTBITE IN LESS THAN 30  
MINUTES. ANYONE WITH OUTSIDE PLANS IN THIS PERIOD SHOULD LIMIT TIME  
OUTSIDE. EVERYONE IS ENCOURAGED TO ENSURE THEIR WINTER CAR SURVIVAL  
KIT IS UP TO DATE. CHECK ON VULNERABLE NEIGHBORS AND LIMIT OUTDOOR  
TIME FOR PETS.  
 
AS FOR PCPN, THIS PATTERN WILL NOT SUPPORT ANY WIDESPREAD,  
SIGNIFICANT SNOWFALLS FOR UPPER MI THROUGH NEXT WEEK AS ONLY A FEW  
CLIPPER TYPE WAVES WILL GENERATE SOME BRIEF PERIODS OF -SN. SO,  
SNOWFALL WILL BE ALMOST EXCLUSIVELY LAKE EFFECT DRIVEN. WHILE THE  
ARCTIC AIR ARRIVING OVER THE WEEKEND/EARLY NEXT WEEK WILL LEAD TO  
EXTREME OVERLAKE INSTABILITY, THE COLD WILL ALSO SUPPRESS THE DGZ  
TOWARD THE SFC OR ELIMINATE IT ALTOGETHER, LEADING TO A FINE/POWDERY  
TYPE SNOW (LOW SLR) THAT DOES NOT ACCUMULATE AS EFFICIENTLY. ON THE  
FLIP SIDE, THIS TYPE OF SNOW IS HIGHLY EFFECTIVE AT REDUCING  
VISIBILITY, LEADING TO FREQUENT WHITEOUTS IN SNOW SHOWERS. THIS TYPE  
OF SNOW IS ALSO EASILY KICKED UP ON ROADS BY VEHICLES, LEADING TO  
MINI WHITEOUTS TRAILING VEHICLES. TRAVEL IN THE AREAS AFFECTED BY NW  
FLOW LES SAT THRU TUE WILL BE VERY HAZARDOUS DUE TO POOR VISIBILITY.  
FROM TUE ONWARD, FLOW ACROSS N AMERICA DEAMPLIFIES, BUT THERE WILL  
CONTINUE TO BE SOME DEGREE OF RIDGING IN THE MEAN OVER THE NE  
PACIFIC/ADJACENT N AMERICA FORCING TROFFING IN CENTRAL AND EASTERN N  
AMERICA. THE DEAMPLIFICATION WILL ALLOW FOR MODERATION FROM THE  
EARLY WEEK BITTER COLD, BUT THE PATTERN WILL STILL SUPPORT THE  
POTENTIAL FOR COLDER AIR TO AT LEAST GRAZE UPPER MI WITH THE PASSAGE  
OF CLIPPER TYPE SHORTWAVES. EXPECT TEMPS ON MOST DAYS DURING THE  
LAST HALF OF NEXT WEEK TO BE BLO NORMAL.  
 
BEGINNING FRI, A CLIPPER SHORTWAVE WILL PASS ACROSS THE AREA. THIS  
WAVE WILL INITIATE THE START OF THE ARCTIC AIR SURGE. WAA/ISENTROPIC  
ASCENT AHEAD OF THE WAVE WILL NEED TO OVERCOME DRIER AIR AS THAT  
ASCENT OVERSPREADS THE AREA LATE TONIGHT THRU FRI MORNING. MODELS  
ARE SPLIT ON WHETHER THAT WILL OCCUR, BUT SUFFICIENT SATURATION WILL  
OCCUR DEEPER INTO THE RETREATING COLDER AIR WHERE IT IS EASIER TO  
ACHIEVE. THUS, WILL HOLD ONTO CHC POPS OVER THE EASTERN FCST AREA IN  
THE MORNING. ANY SNOW ACCUMULATION WILL BE LESS THAN 1 INCH. BIGGER  
FCST CONCERN IS WIND. PRES FALLS WILL PASS ACROSS THE AREA IN THE  
WAA REGIME WITH THE CENTER AT 6-8MB/3HR PASSING JUST N OF LAKE  
SUPERIOR. THE RESULTING ISALLOBARIC WIND WILL BE ALIGNED WITH THE S  
TO SW GRADIENT WIND AND THUS ENHANCE THE WIND. WIND DIRECTION WILL  
BE PARTICULARLY FAVORABLE FROM THE DOWNSLOPE AREAS OF MARQUETTE  
COUNTY INTO THE EASTERN FCST AREA. GIVEN THAT HRRR/NAM/GFS FCST  
SOUNDINGS SHOW POTENTIAL TO MIX TO 40-50KT WINDS FOR A FEW HRS AND  
CONSIDERING THE ISALLOBARIC ENHANCEMENT, WILL HOIST A WIND ADVY FOR  
MARQUETTE/ALGER COUNTIES FOR GUSTS UP TO 50MPH FRI MORNING UNTIL  
ABOUT MID AFTN (13Z-20Z). IN REALITY, PEAK WINDS WILL LIKELY OCCUR  
IN A 2-3HR PERIOD, SO THE ADVY TIMING RUNS A LITTLE LONG. LATER  
SHIFTS WILL NEED TO CONSIDER ADDING SCHOOLCRAFT AND LUCE AS 180-190  
WIND DIRECTION IS AN IDEAL DIRECTION FOR STRONG WINDS THERE. FCST  
REFLECTS 40-45MPH GUSTS IN THAT AREA FOR NOW. ANY LOOSE SNOW WILL  
LEAD TO BLOWING/DRIFTING SNOW ON ROADS. COLD FRONT THAT PASSES LATE  
FRI AFTN/EVENING WILL BE FOLLOWED BY INCOMING 6-9MB/3HR PRES RISES,  
BRINGING ANOTHER ROUND OF STRONGER WINDS, THIS TIME NW WINDS TO THE  
KEWEENAW AND TO LAKESIDE LOCATIONS FROM ALGER COUNTY EASTWARD. BASED  
ON MIXED LAYER WINDS IN FCST SOUNDINGS, EXPECT 40-50MPH GUSTS, MAYBE  
PEAK UP TO 55MPH ON THE KEWEENAW. WILL HOLD OFF ON HEADLINE FOR  
THESE WINDS GIVEN THE LATE AFTN/EVENING TIME FRAME. HIGH TEMPS ON  
FRI SHOULD REACH THE LOW/MID 30S F.  
 
COLD FROPA WILL INITIATE LES AND LEAD TO PROGRESSIVELY COLDER AIR  
FLOWING INTO THE AREA THRU THE WEEKEND ON PREDOMINANTLY NW LOW-LEVEL  
FLOW. TEMPS WILL FALL THRU THE DAY ON SAT AS 850MB TEMPS FALL FROM  
JUST AFTER MIDNIGHT FRI NIGHT READINGS OF AROUND -10C E TO -15C W TO  
TO AROUND -22C E TO -25C W BY SAT EVENING. BY SUNSET SAT, TEMPS WILL  
BE NEARING 0F W TO AROUND 10F ABOVE E. THE INCREASINGLY COLDER AIR  
SURROUNDING THE LAKE WILL PROGRESSIVELY STRENGTHEN LAKE INDUCED  
THERMAL TROFFING, LEADING TO WINDS DEVELOPING AN OFFSHORE COMPONENT,  
PARTICULARLY OFF OF NW WI, OFF OF MARQUETTE COUNTY AND OFF OF  
ONTARIO ALONG THE E SIDE OF LAKE SUPERIOR. THIS WILL FAVOR ENHANCED  
CONVERGENCE INTO ONTONAGON/SOUTHERN HOUGHTON COUNTIES AND ALSO INTO  
ALGER/LUCE COUNTIES. EXPECT LES TO BE MOST PERSISTENT/HEAVIER IN  
THOSE AREAS. HOWEVER, BY LATER SAT AND THRU TUE, THE COLD WILL  
SUPPRESS THE DGZ TO NEAR THE SFC OR ELIMINATE IT ALTOGETHER, LEADING  
TO A FINE/POWDERY TYPE SNOW THAT DOES NOT ACCUMULATE AS EFFICIENTLY  
AS TYPICAL LES. INITIAL THOUGHTS ARE THAT SNOW ACCUMULATIONS WILL  
END UP IN A 2-4 TO LOCALLY 6 INCH RANGE ON SAT BEFORE THE ARCTIC AIR  
LARGELY ELIMINATES THE DGZ. THEN, A GENERAL 1-3 TO ISOLD 4-5  
INCHES/12HR RANGE SAT NIGHT THRU TUE. THE HIGHER AMOUNTS ARE MORE  
LIKELY IN EASTERN PORTIONS OF ALGER INTO LUCE COUNTIES DUE TO LONGER  
FETCH AND BECAUSE THE OFFSHORE WIND COMPONENT OFF OF ONTARIO OFTEN  
LEADS TO PARTICULARLY STRONG LOW-LEVEL CONVERGENCE. IN FACT, GIVEN  
THE MAGNITUDE OF THE COLD AND THE NOT PARTICULARLY STRONG LOW-LEVEL  
GRADIENT WIND FIELDS AS WE GET INTO SUN THRU TUE, EASTERLY WINDS MAY  
PUSH OUT A GOOD DISTANCE OVER EASTERN LAKE SUPERIOR AT TIMES,  
CONVERGING WITH THE WNW/NW WINDS OVER THE LAKE. THAT MAY BOOST SNOW  
AMOUNTS MORE THAN PREVIOUSLY MENTIONED. WILL BE SOMETHING TO MONITOR  
AS WE GET CLOSER TO THAT TIME FRAME. BIGGER ISSUE WITH THE SNOW WILL  
BE WHITEOUTS AS PREVIOUSLY DISCUSSED. WINDS WILL BE STRONGER ON SAT,  
LEADING TO BLSN, BUT DURING THE COLDEST PERIOD SUN INTO TUE, WINDS  
WON'T BE PARTICULARLY STRONG, GUSTING TO AROUND 25MPH NEAR THE LAKE  
SUPERIOR SHORE AND KEWEENAW AND UP TO AROUND 20MPH ELSEWHERE. EVEN  
SO, THE FINE/POWDERY SNOW WILL BE EASILY LOFTED BY THESE WINDS TO  
FURTHER REDUCE THE ALREADY VERY POOR VIS FROM THE FALLING SNOW.  
 
WIND BEGIN TO BACK WESTERLY TUE WITH ONSET OF WAA, SHIFTING LES TO  
MAINLY THE KEWEENAW OVER THE W AND CLOSER TO SHORE OVER THE E.  
CLIPPER TYPE SHORTWAVE WILL PASS AT SOME POINT WED/THU TO PROVIDE A  
CHC OF -SN, FOLLOWED BY SOME LES.  
 
 
   
AVIATION /00Z TAFS THROUGH 00Z SATURDAY/  
 
ISSUED AT 623 PM EST THU JAN 16 2025  
 
DRY AIR IS SLOWLY WORKING ITS WAY INTO THE AREA. MVFR CONDITIONS AT  
ALL SITES WILL GO VFR THIS EVENING AND WILL STAY THAT WAY INTO  
FRIDAY MORNING. FRIDAY, A LOW PRESSURE PASSING NORTH OF LAKE  
SUPERIOR WILL INCREASE SOUTH-SOUTHWEST WINDS IN THE MORNING WHERE  
GUSTS UPWARDS OF 25-30KTS ARE POSSIBLE AT ALL SITES THROUGH THE  
AFTERNOON. THE UPTICK IN WINDS ALOFT WILL ALSO BRING POTENTIAL LOW  
LEVEL WIND SHEAR IMPACTS AT IWD. MVFR CONDITIONS WILL COME BACK IN  
BY FRI AFTERNOON. CMX WILL HAVE SOME BLOWING SNOW WITH THE GUSTY  
WINDS WHERE IT COULD GET DOWN INTO THE IFR CATEGORY.  
 
 
   
MARINE  
 
ISSUED AT 506 PM EST THU JAN 16 2025  
 
A COUPLE OF PASSING CLIPPERS WILL RESULT IN A STRONG PRESSURE  
GRADIENT OVER THE LAKE AT TIMES IN THIS PERIOD, FOLLOWED BY  
DEEPENING ARCTIC COLD THIS WEEKEND AND EARLY NEXT WEEK.  
 
ONGOING NW WINDS TO 20-30KT, STRONGEST OVER EASTERN LAKE SUPERIOR  
WILL FALL BRIEFLY TO 20KT OR LESS BY LATE EVENING AS SFC HIGH PRES  
RIDGE QUICKLY PASSES. WINDS THEN INCREASE AGAIN LATE TONIGHT INTO  
FRIDAY AS NEXT CLIPPER SYSTEM APPROACHES. S TO SW GALES ARE LIKELY  
BY FRI MORNING AS WINDS ARE ENHANCED BY STRONG PRESSURE FALLS  
PASSING OVER THE AREA WITH THE MAX PRES FALLS PASSING BY JUST N OF  
THE LAKE. GALES WILL REACH 40-45KT ACROSS THE E HALF, INCLUDING A 15-  
25PCT CHANCE OF PEAK GUSTS REACHING STORM FORCE. AFTER THE COLD  
FRONT ASSOCIATED WITH THE CLIPPER CROSSES THE LAKE FRI AFTN/NIGHT,  
NW GALES WILL DEVELOP AS COLDER AIR FLOWS INTO THE AREA WITH WINDS  
ENHANCED BY INCOMING PRES RISES. ANOTHER HIGH END GALE WILL OCCUR  
WITH THE NW WINDS, INCLUDING A 15-25PCT CHANCE OF PEAK GUSTS  
REACHING STORM FORCE. THESE STRONGER WINDS WILL DIMINISH DURING THE  
DAY SAT, BUT INCREASINGLY COLDER AIR FLOWING OVER THE LAKE WILL  
SUPPORT 20-30KT WINDS. THERE IS ALSO SOME LOCAL GALE POTENTIAL WHERE  
WNW/NW WINDS OVER THE LAKE CONVERGE WITH WINDS LOCALLY ALTERED BY  
VERY COLD AIR FLOWING OFF OF THE LAND. THERE AREA SOME INDICATIONS  
FOR ANOTHER CLIPPER MIDDLE OF NEXT WEEK, WHICH COULD INCREASE WINDS  
AGAIN.  
 
THE INCREASINGLY COLDER AIR ARRIVING OVER WEEKEND WILL SUPPORT ICE  
ACCRETION FROM FREEZING SPRAY. EXPECTING MODERATE TO HEAVY ICE  
ACCRETION RATES AT TIMES.  
 
 
   
MQT WATCHES/WARNINGS/ADVISORIES  
 
UPPER MICHIGAN...  
WIND ADVISORY FROM 8 AM TO 3 PM EST FRIDAY FOR MIZ005-006.  
 
LAKE SUPERIOR...  
GALE WARNING FROM 7 AM EST /6 AM CST/ FRIDAY TO 1 PM EST /NOON  
CST/ SATURDAY FOR LSZ162-240>251-263>267.  
 
LAKE MICHIGAN...  
GALE WARNING FROM 9 AM TO 7 PM EST FRIDAY FOR LMZ221-248-250.  
 
 
 
 
 
SHORT TERM...BW  
LONG TERM...ROLFSON  
AVIATION...07  
MARINE...ROLFSON  
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