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


Harry

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  On 1/11/2011 at 2:14 AM, JayPSU said:

Then you have this

yea, that is weird. If you look at that 700rh map and guessed where the qpf would be the heaviest on the next map you would think it would be the southeast 2/3rds of the state....and instead its the nw half. I'll take the track of the 850 and 7h low and run with those.

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  On 1/11/2011 at 2:18 AM, buckeye said:

yea, that is weird. If you look at that 700rh map and guessed where the qpf would be the heaviest on the next map you would think it would be the southeast 2/3rds of the state....and instead its the nw half. I'll take the track of the 850 and 7h low and run with those.

Yep, if anything NW Ohio should be the area of lighter snow going by the 700mb Omegas.

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  On 1/11/2011 at 2:18 AM, buckeye said:

yea, that is weird. Not only does the accum seem not to match the precip maps but the 700rh heaviest omegas are also not matching up. I'll take the track of the 850 and 7h low and run with those.

The 700mb low tracks to Sandusky/Cleveland zone and thus why the precip shifts north.

nam_700_024s.gif

Which matches this pretty good. Typically the best precip is near and just north and west/nw of that feature.

nam_slp_024s.gif

per this run i would say LAF to Sandusky/Cleveland is the bullseye.

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  On 1/11/2011 at 2:22 AM, Harry said:

The 700mb low tracks to Sandusky/Cleveland zone and thus why the precip shifts north.

nam_700_024s.gif

Which matches this pretty good. Typically the best precip is near and just north and west/nw of that feature.

nam_slp_024s.gif

per this run i would say LAF to Sandusky/Cleveland is the bullseye.

Harry, do you know why the heaviest omegas aren't lining up with the heaviest precip? (check out the 700mb map for 18hrs jay posted above)....looks like a best omegas are central southern ohio

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  On 1/11/2011 at 2:26 AM, buckeye said:

Harry, do you know why the heaviest omegas aren't lining up with the heaviest precip? (check out the 700mb map for 18hrs jay posted above)....looks like a best omegas are central southern ohio

Could the east wind be killing you guys in the lower levels? Thus eating away at your precip/snow. Usually a murder on systems there i know from past experience. I admit though it would be amazing to see a model pick up on that at this point.

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  On 1/11/2011 at 2:31 AM, Harry said:

Could the east wind be killing you guys in the lower levels? Thus eating away at your precip/snow. Usually a murder on systems there i know from past experience. I admit though it would be amazing to see a model pick up on that at this point.

hmmm....i guess its possible. Could occur as the low starts transferring.

may very well have to do with the transfer....looks like Pitt gets screwed as the precip lightens dramatically east of ohio

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  On 1/11/2011 at 2:22 AM, Harry said:

The 700mb low tracks to Sandusky/Cleveland zone and thus why the precip shifts north.

Which matches this pretty good. Typically the best precip is near and just north and west/nw of that feature.

per this run i would say LAF to Sandusky/Cleveland is the bullseye.

NAM has been pretty consistent with a decent hit for Cleveland. Still has a spec of 0.5" over the metro area. I'm not sure I'm buying it yet. These events seem to be a typical 3" front end snow that's fast moving and not much else after it pivots through. We'll see I guess, but the lake is frozen from CLE and points and west. Not sure how the models are factoring that in.

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  On 1/11/2011 at 2:32 AM, buckeye said:

hmmm....i guess its possible. Could occur as the low starts transferring.

may very well have to do with the transfer....looks like Pitt gets screwed as the precip lightens dramatically east of ohio

Plus note where the surface low goes. I know typically you guys want it to track along the river and WV/OH line and or se of Columbus. By the *looks* of it the surface low goes almost ( if not ) directly over Columbus.

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  On 1/11/2011 at 2:41 AM, Harry said:

Plus note where the surface low goes. I know typically you guys want it to track along the river and WV/OH line and or se of Columbus. By the *looks* of it the surface low goes almost ( if not ) directly over Columbus.

In general thats true, although this is a fairly weak low pretty closely aligned with the 850 and 700 lows so sometimes in those cases it's just as beneficial to be along the track. Actually i'm not sure why i'm nit picking this. Looks like we're talking about a massive region-wide snow ranging from 3-6".....lollipops, jackpots, and screw holes are anyone's guess at this point...lol

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  On 1/11/2011 at 2:37 AM, michsnowfreak said:

The eastern half of MI from the thumb down is still in 0.25"+, so who knows exactly what the qpf numbers are just yet...

Another thing to consider is upstream in Iowa they are getting amounts higher than what you would expect using say an 18:1 ratio based of of the forecasted QPF. considering the 850 lows (both of them) strengthen before all energy translates to the east coast we all may get an inch or two about what doubling the QPF would suggest.

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I am not going to be on tonight because I am moving but will be with storm updates during the day on Tuesday while at work LOL

Here is the breakdown:

3-5 for Cincinnati Metro by Wednesday-Hamilton,Clermont,northern KY included in this zone

4-6 for Northern burbs and southern burbs on Dayton. Butler, Clinton, Warren, Greene, Montgomery, Fayette Counties

5-7 for Dayton northward near I 70

I am BW's right now watching the game!lol

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  On 1/11/2011 at 2:42 AM, Powerball said:

It's definitely an interesting way it's structured in Michigan, that's for sure...

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

Yeah, verbatum it still shows 0.3"+ qpf for Detroit downriver, then 0.25-0.30" just west of that, so really such a minor detail at this point is not really important.

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  On 1/11/2011 at 3:02 AM, michsnowfreak said:

Yeah, verbatum it still shows 0.3"+ qpf for Detroit downriver, then 0.25-0.30" just west of that, so really such a minor detail at this point is not really important.

It'll probably correct itself, but it's just funny to look at and think about.

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  Quote
from ILN for Columbus, OH:

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 5 AM TUESDAY TO

MIDNIGHT EST TUESDAY NIGHT...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 5 AM TUESDAY TO

MIDNIGHT EST TUESDAY NIGHT.

SNOW WILL SPREAD INTO THE REGION LATE TONIGHT THROUGH EARLY

TUESDAY MORNING. THE SNOW WILL INCREASE IN INTENSITY DURING THE

DAY AND THEN TAPER OFF IN THE EVENING.

SNOW IS EXPECTED TO ACCUMULATE TO 3 TO 6 INCHES THROUGH TUESDAY

EVENING. SCATTERED SNOW SHOWERS OVERNIGHT TUESDAY WILL PROVIDE AN

ADDITIONAL HALF INCH OR SO OF ACCUMULATION BEFORE ENDING.

Not warning criteria?

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