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December 31-January 2 Hybrid frisbee storm Part 2


Hoosier

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Solid 3" on the ground here at home about 15 miles south of Windsor, smack dab in the centre of Essex county. I too agree with the bust potential of the DTX south of the city. EC has upped the snow amounts to a max of 24cm. Down town Windsor only had a cm or so early this am, as I finished salting a good burst drove thru and buried the salt. At least there is a layer down there to aid in plowing later today.

Merry Newbie 2014 everyone !!!

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going to bust high on my original and final 6.9999996 call

Easily still within reach. Several reports near you were around 2.5"-3" last night. Between today and any bonus LES, you can easily get there.

Every little trend or development sends you reeling. Gotta roll with the punches... it's a long duration event with multiple waves/sources of precip. Last night was only forecasted to drop 2"-4" from the get-go.

Short term guidance has another 0.10-0.30"+ across the I-88 corridor with this wave today.

Case. In. Point.

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Easily still within reach. Several reports near you were around 2.5"-3" last night. Between today and any bonus LES, you can easily get there.

Every little trend or development sends you reeling. Gotta roll with the punches... it's a long duration event. Last night was only forecasted to drop 2"-4" from the get-go.

 

 

Even if we had 3" last night (we didn't even come close) no way we see another 3"+ today, synoptic or LE. Synoptic won't even drop more than an inch or two. Convergence is way north and will pull into NW IN pretty quick for the main band which looks less and less impressive each run.  Win some you lose some, but this was a definite letdown event....not an all time dud but a total snoozer.

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I'm in BG and I've got right around 3" here. Between the two of us I think there's a legit shot of barely cracking 10" especially if today's precip goes well. Cle had 1-2" in my grid last night and another 4-9" in Tue forecast.

Still -SN falling

Agree completely daff. I think we are an afterthought for cles office. We are in no mans land between two offices with drastically different climo

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Final call for YYZ: 0.4".

Just flurries wouldn't surprise me at all.

Happy New Year. And yeah, I'm concerned about the sharp northern edge of the snow shield that is forecast to set up shop somewhere across the GTA. I could see areas along the lakeshore and points southwest get a couple of inches while areas north of Steeles get next to nothing or just flurries.

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12z NAM cut QPF here (now 0.25-0.30"), which isn't surprising...so with it closer to other drier guidance...going with 2-4" total, but with a longshot ceiling of 5" if everything breaks perfectly for LAF. 

 

Don't count yourself out too quickly. 09Z SREF mean has 5.5" and this wave looks quite impressive on water vapor. Model QPF if only one part of the equation. 

 

I wouldn't be surprised at all to see a swath of 5 to 7 additional inches from LAF through Toledo. 

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ORD 12z update concerning LES (got about 6 inches here)

 

DISCUSSION...UPDATED 12Z...

THE NEXT IN THE TRAIN OF FAST MOVING SHORT WAVES WAS MOVING ESE
OVER SW MN...NW IA AND NE AND S CENTRAL NE EARLY THIS MORNING
WITH A COUPLE MORE A BIT FURTHER UPSTREAM...ONE OVER E CO AND THE
NEB PANHANDLE AND THE OTHER OVER SE MT AND NE WY. SNOW AHEAD OF
THE CLOSEST SHORT WAVE HAD SPREAD ACROSS S WI AND FAR N IL AND TO
S LAKE MI BEFORE DAWN.

WITH USUAL POOR HANDLING BY MODELS OF MULTIPLE SMALL FAST CLOSELY
SPACED SHORT WAVES HAVE RELIED ON ENSEMBLE MEANS AND MODEL
CONSENSUS AS TO SHORT WAVE MOVEMENT. THIS METHOD PLACES THE SHORT
WAVE TROUGH OVER S WI AND N IL AT 00Z.

MODEL QPF PROGS HAVE FAIRLY GOOD AGREEMENT IN BRINGING MEASURABLE
PRECIPITATION TO ORD & MDW EARLY THIS MORNING...AND EXPECT A
PERIOD OF IFR CONDITIONS BETWEEN THIS LATER THIS MORNING AND
DURING THE FIRST PART OF THIS AFTERNOON AS MID LEVEL WSW WINDS
INCREASE TO 35-45 KT WITH SIGNIFICANT ISENTROPIC LIFT ENHANCING
SNOWFALL RATE.

THROWN INTO THE MIX IS THE LAKE EFFECT WILD CARD. A NE LOW LEVEL
FLOW OF VERY COLD AIR DOWN N AND CENTRAL LAKE MI WILL BE QUITE
FAVORABLE FOR A BAND OF LAKE EFFECT SNOW TO DEVELOP TODAY. THOUGH
NOTHING SHOWN ON RADARS AS FAR AS LAKE EFFECT SNOW OCCURRENCE IS
CONCERNED. HOWEVER...CLASSIC SIGN OF CONVERGENCE OVER THE LAKE
DEVELOPING IS SEEN...WITH NW WINDS ALONG THE W SHORE AND NE ON
THE E SHORE.

THE DEVELOPING LAKE EFFECT SNOW IS PROGGED TO REACH INTO FAR SE
WI AND FAR NE IL BY LATE MID MORNING BUT WITH TIME TODAY THE LOW
LEVEL FLOW OVER THE FAR S PORTION OF THE LAKE IS TO BECOME NE TO
ENE WHICH WOULD TEND TO HAVE THE TAIL END OF THE BAND SHIFTING
FURTHER INLAND AND TO THE W OF ORD AND MDW FOR THIS AFTERNOON.
HOWEVER...GIVEN THE LARGE DIFFERENTIAL BETWEEN THE WATER AND THE
AIR ADDITIONAL LAKE EFFECT SNOW SHOWERS ARE EXPECTED TO BE
DEVELOPING...ALTHOUGH DUE TO A SHORTER FETCH AND LIMITED DEPTH OF
LAKE EFFECT CLOUD GROWTH WILL NOT BE NEARLY AS VIGOROUS AS WITHIN
THE MAIN LES BAND.

OVERNIGHT THE FLOW OVER THE S END OF THE LAKE IS SHOWN BY THE
MODELS TO BACK SOMEWHAT. THIS WOULD ESTABLISH THE S END OF THE
LES BAND ALONG AND INLAND OF THE IL SHORELINE. IN ADDITION...THE
COLD AIR DEEPENS ALLOWING A INCREASE IN THE DEPTH OF LAKE EFFECT
CLOUDS TO ENHANCE SNOW PRODUCTION.

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Happy New Year. And yeah, I'm concerned about the sharp northern edge of the snow shield that is forecast to set up shop somewhere across the GTA. I could see areas along the lakeshore and points southwest get a couple of inches while areas north of Steeles get next to nothing or just flurries.

 

This has virga fest written all over it.

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