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January 10th-12th OV/MW/GL Winter Storm prospects


Harry

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Wait, now I'm confused...we're all looking at the NAM on the NCEP web site

http://www.twisterda...e&archive=false

Also:

http://www.nco.ncep....am_p60_072l.gif

Ahhhh thought so....hope the text data Chicago WX posted on that link is correct....I was loading the actual soundings for 12z and 18z and looking at the totals on Bufkit itself....did not mean to make it confusing....if 0.40 verifies that would work.

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You probably won't make up much ground on LAF though. :devilsmiley: Odds are you'll end up winning, but maybe we can hold you off into February...

Hey, I dont mind us all getting snow :) LAF is about 10" ahead so far...

LAF: 23.0"

MBY: 13.3"

DTW: 12.9"

Today was the 25th day with 1"+ snowcover already this season, which is halfway to normal for the entire season, and the season is still weeks away from the halfway point. So im thinking its very likely we are on track for an above normal snowcover season. In the massive snow years of 2007-08 and 2008-09 we were above normal for snowcover days too, but not nearly as great a departure as the snowfall in inches was (ie, in 2007-08 we had more inches of snow than days with 1"+ snowcover). Im thinking this is a different type of winter. And the last thing I expected in La Nina.

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I use this usually. It says 0.36", but Im RIGHT on the edge of eastern MI on the Detroit River, so mby is in the 0.40" area verbatum.

Yeah I just looked at the actual soundings for the DTX JXN DET area and it shows around 4.2 at DTX to about 5.1 along the 94 corridor so a general 4 to 6 inches looks good.

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Pretty simple on the GFS, it weakens the SE low initially and then decides to re-strengthen it again rather quickly...leaving the OV low weaker all the way through. Normally it seems the transfer goes too quickly on the models, but that is usually with an initial dominant primary in the OV. Not the case this time obviously. Globals vs meso models...who wins this fight?

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00Z GFS Specifics

DET: 0.20

DTW: 0.20

So we have 0.40" from the NAM and 0.20" from the GFS. lol, lets say a 2-6" snowfall?

If there is one positive to take from the crappy GFS it is that the 0.1-0.25" line went much further north from its 18z blip, so at the very least accumulating snow looks extremely likely, almost imminent. Two days ago we were told to expect no snow this far north. Now...how much is the question. Still should be our 2nd largest snowfall of the winter so far.

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So we have 0.40" from the NAM and 0.20" from the GFS. lol, lets say a 2-6" snowfall?

If there is one positive to take from the crappy GFS it is that the 0.1-0.25" line went much further north from its 18z blip, so at the very least accumulating snow looks extremely likely, almost imminent. Two days ago we were told to expect no snow this far north. Now...how much is the question. Still should be our 2nd largest snowfall of the winter so far.

Going from 30%pops yesterday evening to Categorical is a Win anytime...this scenario (not storm set-up) remins me of a storm in early '09 in which a couple days before we were foretasted to get 1" or less, which turned into WWA for 4-7". That Was the 12" IND storm I think. Not comparing the storm, but how being on the northern fringe is very tentative to drastic changes.

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Pretty simple on the GFS, it weakens the SE low initially and then decides to re-strengthen it again rather quickly...leaving the OV low weaker all the way through. Normally it seems the transfer goes too quickly on the models, but that is usually with an initial dominant primary in the OV. Not the case this time obviously. Globals vs meso models...who wins this fight?

I have to believe meso is at least closer. I think the GFS is too flat still. It seems to have found more energy hanging back but it still pushes mainly east. I have to believe some cutting and a more amplified look happens in E Ohio before the Eastern low takes over. Tough to discern but this is usual GFS error so I have to go towards NAM more than GFS.

Josh

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My 2-3" call for the QC from earlier may be stretching it a bit. May end up more like 1-2". Models have trended a touch drier for this area the last 2 runs. A long and drawn out 1-3" is basically a non-event, but it's better than nothing I guess. Congrats to all who can benefit a real snow from this thing.

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I am going with 3-5 for Cincinnati proper that includes the counties along the Ohio River and counties in Northern KY

I am going with 4-6 across the northern Burbs that includes: Butler, Warren, Clinton,Montgomery, Preble and Greene Counties

Lastly I am going with 5-7 across the I 70 corridor

Subject to minor tweaks but I am pretty confident on this one!

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I am going with 3-5 for Cincinnati proper that includes the counties along the Ohio River and counties in Northern KY

I am going with 4-6 across the northern Burbs that includes: Butler, Warren, Clinton,Montgomery, Preble and Greene Counties

Lastly I am going with 5-7 across the I 70 corridor

Subject to minor tweaks but I am pretty confident on this one!

This is just just for the areas in Southern Indiana and Kentucky.

I am going with 5-9 inches of snow for Seymour Indiana and the surrounding counties.

4-7 inches for those north of Metro Louisville and south of Seymour, Indiana.

3-5 inches for Louisville to Elizabethtown.

1-3 inches for those south of E-town.

I think this will be a nice little event before an exciting next weekend.

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I am going with 3-5 for Cincinnati proper that includes the counties along the Ohio River and counties in Northern KY

I am going with 4-6 across the northern Burbs that includes: Butler, Warren, Clinton,Montgomery, Preble and Greene Counties

Lastly I am going with 5-7 across the I 70 corridor

Subject to minor tweaks but I am pretty confident on this one!

Completely agree Max.

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Pretty simple on the GFS, it weakens the SE low initially and then decides to re-strengthen it again rather quickly...leaving the OV low weaker all the way through. Normally it seems the transfer goes too quickly on the models, but that is usually with an initial dominant primary in the OV. Not the case this time obviously. Globals vs meso models...who wins this fight?

I'm always skeptical of the GFS in these situations. It seems to have a chronic problem of underrepresenting the inland low in these double low scenarios.

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This is just just for the areas in Southern Indiana and Kentucky.

I am going with 5-9 inches of snow for Seymour Indiana and the surrounding counties.

4-7 inches for those north of Metro Louisville and south of Seymour, Indiana.

3-5 inches for Louisville to Elizabethtown.

1-3 inches for those south of E-town.

I think this will be a nice little event before an exciting next weekend.

Way to high for most areas. No way southern Indiana (Seymour area) sees 5-9, no way the area between Louisville and Seymour gets 4-7. More like 4-5 in the Seymor area with 2-4 in between Seymour and Louisville with 1-3 South of the Louisville metro area.

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First things first, would like to apologize if I made anyone mad last night, it was an honest mistake. And yes I am still on the 5 post thing, so Im not gonna reply to anyone.. Enough of that. As per the storm. Mostly everything has been covered where the models are concerned so I wanted to post my map for Ohio.. Basing it more on the NAM, as I dont buy the underdone qpf on the gfs. But anyways here ya go. Enjoy..

SnowMapTuesdayJanuary112011.jpg

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