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Jan 22-24th Clipper Trio


Chicago Storm
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Another tick north on the latest Euro.  Fits the pattern of every system this year, QPF dwindles in the final 24-36hrs before the event.  In this case it's just a shifting of the storm track.  Looks better for Rockford/Chicago peeps though.

For the rest of the winter I'll just take whatever the models are showing at ~24-30hrs out and assume we'll get 40-60% of whatever they're showing at that time frame and that should be fairly accurate.

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1 minute ago, Spartman said:

Clipper keeps getting shifted northward on the latest GFS, Euro, and NAM.

06z GFS:
image.thumb.png.4234d44863892c674d38494dad45f433.png

00z Euro:
image.thumb.png.33d3f54c76b33761755be5c507628ef8.png

06z NAM:
snku_024h.us_ov.png

Still good on the latest UK and Canadian runs, as well as the recent extended HRRR (06z) and RAP (09z) runs.

00z UK:
image.thumb.png.18e260c879afc4dcc354baee5b7a95a5.png

00z Canadian:
image.thumb.png.41d6ec9b9e730465cc53f8ee403f458a.png
 

06z HRRR:
image.thumb.png.a5acd298542d1224d18f945b551bd6b6.png

09z RAP:
image.thumb.png.e71f53c066617786293399e573ab8b62.png

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as currently discussed here by LOT this is my biggest event this winter so far, provided it pans out:

A CLIPPER SYSTEM WILL MOVE ACROSS THE AREA TONIGHT AND RECENT  
TRENDS IN THE MODELS SHOW TWO ITEMS OF CONCERN, AN INCREASE IN QPF  
AND AN OVERALL, THOUGH STILL SMALL, SHIFT NORTH TO THE AXIS OF   
THE HIGHEST SNOWFALL AMOUNTS. WITH A FAIRLY DEEP DGZ, THE SNOW  
RATIOS WILL LIKELY BE FAIRLY DRY, PERHAPS INTO THE 18:1 RANGE.  
THUS ANY INCREASE IN QPF AMOUNTS WILL QUICKLY ADD TO SNOWFALL  
TOTALS. A SWATH OF 2-4 INCHES IS LOOKING INCREASINGLY LIKELY FOR  
PART OF THE AREA AND ITS POSSIBLE THERE MAY BE AN NARROW SWATH OF  
4-5 INCHES. HOWEVER, THE SMALL SHIFT NORTH IN THE MODELS LOWERS  
CONFIDENCE FOR WHERE THIS BAND MAY ACTUALLY SET UP, THOUGH CURRENT  
TRENDS WOULD SUGGEST IN THE I-88 TO I-80 AREA. SNOWFALL RATES MAY  
APPROACH AN INCH AN HOUR IN THIS NARROW BAND, FOR A FEW HOURS AS  
THE HEAVIEST SNOW LOOKS TO LAST ONLY 3-5 HOURS. IF THESE TRENDS  
CONTINUE, ITS POSSIBLE A WINTER WEATHER ADVISORY MAY BE NEEDED 

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A scattered DAB is locked in for early tomorrow morning across parts of the area. Then you can easily lock in 1-3” for much of the area tomorrow night into Sunday morning as well.

Monday is still a wild card it appears.


.

If 12z guidance holds the trends from 0z/6z suites, can probably bump that up to 2-4” for most of the area tonight and chalk up 0.5-2” for Monday.


.
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accidently heard cracku-weather on local station going with 2-4". Be nice, if that were a trend in today's models. I'll take whatever I can get. Nice fluffy, snowfall on a saturday night against the background of my remaining Christmas lights with a beverage in hand sounds good.

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5 minutes ago, Baum said:

accidently heard cracku-weather on local station going with 2-4". Be nice, if that were a trend in today's models. I'll take whatever I can get. Nice fluffy, snowfall on a saturday night against the background of my remaining Christmas lights with a beverage in hand sounds good.

You have a promising career in creative writing awaiting you

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6 minutes ago, Baum said:

accidently heard cracku-weather on local station going with 2-4". Be nice, if that were a trend in today's models. I'll take whatever I can get. Nice fluffy, snowfall on a saturday night against the background of my remaining Christmas lights with a beverage in hand sounds good.

++ A little backyard hockey games.   Bring it

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