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End of January/early February storm potential?


Hoosier

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I just saw 144 on the PSU site. Yeah, that would have elicited an uh oh from me if I was in LAF. Based on the slp configuration at that time, I'm surprised this thing didn't cut.

Big time arctic air in Canada that's pressing south no doubt helps stave off a big cut. Still it goes up through NY state eventually.

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2M's creep just above 0 at IND, but stay below for most areas along and North of I70 across Indiana and Western Ohio on the Euro.

QPF:

IND: .81 (some mixing issues possible)

MIE: .9 (likely all frozen)

LAF: .75 (likely all frozen)

DAY: .72 (some mixing issues possible)

FWA: 1.00 (all frozen - big winner)

LOT: .58 (likely all frozen)

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2M's creep just above 0 at IND, but stay below for most areas along and North of I70 across Indiana and Western Ohio on the Euro.

QPF:

IND: .81 (some mixing issues possible)

MIE: .9 (likely all frozen)

LAF: .75 (likely all frozen)

DAY: .72 (some mixing issues possible)

FWA: 1.00 (all frozen - big winner)

DTW por favor :)

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2M's creep just above 0 at IND, but stay below for most areas along and North of I70 across Indiana and Western Ohio on the Euro.

QPF:

IND: .81 (some mixing issues possible)

MIE: .9 (likely all frozen)

LAF: .75 (likely all frozen)

DAY: .72 (some mixing issues possible)

FWA: 1.00 (all frozen - big winner)

LOT: .58 (likely all frozen)

CMH?

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Big time arctic air in Canada that's pressing south no doubt helps stave off a big cut. Still it goes up through NY state eventually.

That is some really brutal stuff coming down. per 2m temps you guys are at -5 to -10 for Highs.. With -10s for lows. Has -20s for lows for QC area to near Peoria.

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Welp, I'm going to try and not going to get too invested in this one. Nice consistency from the EURO and the GGEM (I think 3 runs in a row showing something like this) but it's still D6 so anything can happen. Gotta a nice clipper to focus on in the mean time.

If everything breaks right (clipper and this Euro storm), big if obviously with the 2nd, you can safely tack on 10-15"+ to your current seasonal totals. :)

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DTW (FTW): 1.1 (all frozen)

LSX: .65 (not all frozen)

CMH: .51 through 180, however there is likely additional qpf after 180, temperature issues at onset though

yea a track like that would definitely have to fight the WTOD here. However with arctic high pressing it will probably changeover frozen verbatim

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That is some really brutal stuff coming down. per 2m temps you guys are at -5 to -10 for Highs.. With -10s for lows. Has -20s for lows for QC area to near Peoria.

Assuming/fantasizing that everything goes as planned per this run, it would be some kind of cold. Safe to say, with snowcover, it would be even probably colder. Oh my.

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prelim long range HPC thoughts

PRELIMINARY EXTENDED FORECAST DISCUSSION

NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD

903 AM EST TUE JAN 25 2011

VALID 12Z SAT JAN 29 2011 - 12Z TUE FEB 01 2011

THE LONGWAVE PATTERN IS EXPECTED TO GRADUALLY TRANSITION FROM A

MEAN RIDGE OVER THE WEST/TROUGH OVER THE EAST ON DAY 3 TOWARD A

MEAN TROUGH OVER THE ROCKIES/RIDGE OVER THE SOUTHEAST BY DAY 7.

THE MANNER IN WHICH INDIVIDUAL MODELS ACTUALLY ARRIVE AT THEIR

PREDICTIONS VARIES CONSIDERABLY HOWEVER...WHICH IS CONFIRMED BY

THE UNUSUALLY LARGE DETERMINISTIC SOLUTION SPREAD ENTERING DAY

3...LAGGED-AVERAGE FORECASTS FROM THE GFS/ECMWF...AND THE TOTAL

ENSEMBLE SPREAD. THUS...THE FORECAST PHILOSOPHY WILL EMPHASIZE

MODEL CONSENSUS AND CONTINUITY TO THE FULL EXTENT POSSIBLE...WITH

GLOBAL ENSEMBLE MEANS USED TO CONSTRUCT THE PRELIMINARY

PRESSURES/FRONTS FOR DAYS 3/7...INCLUDING THE ECMWF ENSEMBLE

MEAN/GEFS MEAN/NAEFS BCMEAN.

THE MAIN DIFFERENCE WITH THE MEANS INVOLVES THE ORIENTATION AND

STRENGTH OF THE MEAN RIDGE OVER THE SOUTHEAST BY DAY 7...WITH THE

ECMWF ENSEMBLE MEAN MORE AMPLIFIED AND STRONGER THAN THE

GEFS/NAEFS. WOULD NORMALLY PLACE GREATER EMPHASIS ON THE ECMWF

ENSEMBLE MEAN IN SUCH A CASE DUE TO ITS HIGHER RESOLUTION AND

GREATER NUMBER OF MEMBERS CONSTITUTING ITS MEAN.

HOWEVER...TELECONNECTIONS WITH THE LARGE NEGATIVE HEIGHT ANOMALY

NEAR HUDSON BAY SHOWS BETTER AGREEMENT WITH THE GEFS/NAEFS.

THUS...REDUCED THE ECMWF ENSEMBLE MEAN CONTRIBUTION TO ABOUT 50

PERCENT. ALSO MANUALLY INCORPORATED DETERMINISTIC DETAIL IN THE

PROGS WHERE CLUSTERING OF SOLUTIONS EXISTED. HOWEVER...THIS WAS

MINIMAL...WITH CONFIDENCE BELOW AVERAGE FOR THE ENTIRE PERIOD.

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i vote we try to keep QPF requests for 150hr+ runs to a minimum.

How many big storms have you had this year? I think people are happy to see something on the maps for once and want to know the amounts the Euro is pumping out. I don't see this as a problem at all.

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Not to bring "99" up again but from what I remember is that after the big storm it really got cold. I will have to look it up and see just how cold it really got around these parts.

It got cold around Chicago...like minus teens below zero and colder in the outlying areas. I think Illinois set a new state record.

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even though the euro moves the storm nicely towards the lakes (and the pattern supports it)......i am not buying any solution which lessens the confluence over my head just timed right as on the 12z euro (with direct implications S and W through the OV/lower lakes)....

it hasnt budged for over 2 years in the right manner, so no sense in believe it will now.....at this time.

still nice to look at though. :guitar:

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