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Sleather

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Posts posted by Sleather

  1. I had been planning one last backpacking trip to the Boundary Waters during the 1st week of Nov. The first week looks out.... Second week might be ok.... I've got good enough gear for the temps, but hate snowshoeing!

     

     

     

     

     

     

    Flakes are flying near the Northwoods!  Light snow is being reported just north of Duluth, MN....

     

    Current conditions at Ely, Ely Municipal Airport (KELO) Lat: 47.82°NLon: 91.83°WElev: 1457ft.
    http://forecast.weather.gov/newimages/large/nsn.png

    Light Snow

    34°F

    1°C

    Humidity 100% Wind Speed NW 10 G 25 mph Barometer 29.82 in Dewpoint 34°F (1°C) Visibility 5.00 mi Wind Chill 26°F (-3°C) Last update 24 Oct 6:53 am CDT
    Extended Forecast for

     

  2. Wow, that's crazy.

     

    http://maps1.pivotalweather.com/models/gfshires/20160317/12Z/f228/acc10_1snowmw.png

     

    http://maps1.pivotalweather.com/models/gfshires/20160317/12Z/f228/24hkucherasnowmw.png

     

     

    GFS has been showing variants of this event for quite a while now. It changes in track and intensity but it's almost always been there. Leads me to believe there may be something to it - even this far out. We'll see. I suspect it will get too warm for Chicagoland to experience a big snow storm.

  3. LOT's AFD this morning notes both the uncertainty and magnitude of this system. I like the tongue-in-cheek humor "... somewhere between Wisconsin and Kentucky..."

     

    "AS HAS BEEN NOTED IN THE PAST COUPLE OF AFDS...MODELS TEND TO
    TREND NW WITH TIME AS THEY ATTEMPT TO RESOLVE STRONG CYCLONES LIKE
    THIS IN THE MEDIUM RANGE. MEDIUM RANGE MODELS CAN ALSO HAVE A
    TENDENCY TO BE TOO QUICK AND TOO AGGRESSIVE IN PHASING...AND THE
    MAGNITUDE OF PHASING OF THE NORTHERN AND SOUTHERN STREAM
    DISTURBANCES IS KEY TO THE TRACK AND INTENSITY. HAVE UPPED POPS TO
    CHANCE OVER SE HALF OF THE CWA AS A NOD TO THE JUMP TO THE NW IN
    THE 00Z GUIDANCE FROM GFS/ECMWF AND THEIR RESPECTIVE ENSEMBLES
    MEANS. ALSO WORTH NOTING THAT CURRENT GUIDANCE SUGGESTS A SOMEWHAT
    MEAGER COLD AIR MASS ON THE NORTHWEST FLANKS OF THIS SYSTEM WHICH
    COULD LEND ITSELF TO SOME P-TYPE ISSUES OR MORE OF A WET
    SNOW...BUT THAT IS PROBABLY GETTING TOO BOGGED DOWN IN DETAILS
    GIVEN THE DEGREE OF UNCERTAINTY. STILL A LOT OF TIME TO WATCH THIS
    SYSTEM AND IT DOES WARRANT ATTENTION BECAUSE IT DOES HAVE
    POTENTIAL TO BE LOADED WITH MOISTURE AND LAY DOWN A SWATH OF HEAVY
    WIND DRIVEN SNOW SOMEWHERE BETWEEN WISCONSIN AND KENTUCKY."

  4. You didn't even use it in November?

    I don't even own a snowblower, but could have used one a couple times.

    I know after the sleet storm, snowblowers were useless at throwing that low ratio stuff.

    Not even in November. Our snows have been few and far between with maximum amounts per snowfall around 2-3 inches. This last Valentines event was our biggest event of the year. We might have gotten 3". My snowbunny kids are bummed.

  5. Typhoon Rule in play here for a potential gulf system and northern piece to phase into a "cutter" type system for the first part of November.  06z GFS shows the remnants of Typhoon Koppu south of Japan merging with a strong system to the north of Japan.  Strong HP to the east funnels the system in a NE trajectory...following that a deep trough settles in over Japan.  We'll need to watch this system coming out of the Gulf in the longer range.

     

    http://www.tropicaltidbits.com/analysis/models/gfs/2015102206/gfs_z500_mslp_wpac_20.png

    Gosh, what a nice website! Love discovering new sites like this one...

    • Like 1
  6. I would like someone elses opinion. I'm comparing the GFS 12z maps from today for both Wunderground and College of Dupage sites for the Ely, Minnesota area. They are radically different renderings. For instance, hour 228 shows rain west of Ely on the Wunderground site. The College of Dupage site shows rain way south of Duluth. Now, I expect different systems to visualize the same data differently. But this seems way off. It's like I'm looking at different model runs. Is it a caching issue maybe ? I've cleared caches, logged off and back on, etc.

     

    Of course, the question becomes: Which is correct?

  7. 000
    FXUS63 KLOT 110249
    AFDLOT

    AREA FORECAST DISCUSSION
    NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
    949 PM CDT MON MAR 10 2014

    .DISCUSSION...
    948 PM CDT

    WATER VAPOR IMAGERY THIS EVENING SHOWS OUR NEXT WEATHER SYSTEM OF
    INTEREST NOW MOVING ACROSS NEVADA. THIS SYSTEM IS EVEN PRODUCING
    LIGHTNING STRIKES ACROSS PORTIONS OF SOUTHERN IDAHO AT THIS TIME.
    THE NEW 00 UTC NAM IS CURRENTLY ROLLING IN AND IS VERY CONCERNING
    FOR MOST OF NORTHERN ILLINOIS TUESDAY NIGHT. IT TRACKS THE LOWER
    LEVEL CIRCULATION FARTHER NORTH ACROSS NORTHEASTERN MISSOURI AND
    CENTRAL ILLINOIS TUESDAY NIGHT. THIS WOULD RESULT IN A MUCH MORE
    FAVORABLE TRACK FOR HEAVY SNOW INTO NORTHERN ILLINOIS...INCLUDING
    THE CHICAGO METRO AND RFD AREAS. ALSO GIVEN THE GLOBAL MODELS HAVE
    SLOWLY BEEN INCHING NORTHWARD WITH THIS SYSTEM...I CANNOT DISCOUNT
    THE NAM SOLUTION. THIS SYSTEM SHOULD HAVE A LOT GOING FOR
    IT...WITH ALL MODELS EVEN INDICATING SOME UPPER LEVEL JET COUPLING
    ACROSS THE REGION IN CONJUNCTION WITH GOOD FGEN SETTING UP IN
    CONJUNCTION WITH THE LOWER/MID LEVEL CIRCULATION.
    THEREFORE...HEAVY SNOW...MAYBE EVEN WITH CONVECTION...IS POSSIBLE
    TUESDAY NIGHT AS THE MAIN FORCING SETS UP ACROSS THE AREA.

    IN SPITE OF ALL THIS...HOWEVER...RATHER THAN SHIFTING THE WATCH
    NORTHWARD TO INCLUDE NORTHERN ILLINOIS...I WOULD LIKE TO SEE THE NEW
    00 UTC GLOBAL GUIDANCE BEFORE MAKING ANY MAJOR CHANGES TO THE GOING
    HEADLINES...TO ENSURE THAT A FARTHER NORTH SOLUTION IS THE WAY TO
    GO. AS IT STANDS...THE NAM IS THE FARTHER NORTH WITH THIS SYSTEM.
    NOW THAT THE MAIN MID/UPPER LEVEL SYSTEM IS ONSHORE ACROSS THE
    WESTERN CONUS...THE 00UTC RAOBS SHOULD BE SAMPLING IT NOW...SO THE
    NEW GLOBAL GUIDANCE THIS EVENING SHOULD BEGIN TO GET A BETTER HANDLE
    ON THE SYSTEM.

    KJB

    &&

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