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January 18-20, 2024 | Ohio Valley Snow event


RobB

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I think the potential is better there than currently modeled. BSR has a stronger storm signal. That's not a guarantee but at least has my attention. 

Screenshot_20240115-083357_Chrome.thumb.jpg.c0a8858204a666ba36bb77e11cabfafa.jpg

Screenshot_20240115-083431_Chrome.thumb.jpg.2a4fe94dbcf429d80dc20143462b7798.jpg

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If I have the right time frame, & I'm pretty certain I do. 

12z GFS is showing hints of a possible stronger system & the 12z Ensemble mean is as well. #trend

trend-gefsens-2024011512-f090.qpf_024h-mean-imp.us_ov.gif

trend-gefsens-2024011512-f090.sfcmslp-meanmem.us_ov.gif

Edited by Grace
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21 minutes ago, MesoscaleBanding said:

UK total at 10:1

I-70 screw zone in full effect

 

uk.png

 

I wouldn't put much stock in UKMET right now. It kept me thinking I might get winter storm warning criteria snow yesterday. 

I'll be honest, the GFS has been pretty good this winter overall. 

Edited by Grace
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39 minutes ago, Grace said:

 

I wouldn't put much stock in UKMET right now. It kept me thinking I might get winter storm warning criteria snow yesterday. 

I'll be honest, the GFS has been pretty good this winter overall. 

This. I recall it performed well last year in regards to general track, trends, and leading the way in determining specifics as an event neared.

Feels like its done the same so far this season, as well.  Not saying that the 12z is right verbatim for this threads system, just that I concur with this assessment.

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2 hours ago, BuckeyeGal said:

This would be a general win for almost all of us (remember S/E stuff has today/tomorrow added).floop-gfs-2024011512.snku_acc-imp.us_ov.gif.dd5b3656d80410f24efce67f2ce85f5c.gif

 

lol at this point I'd take it going 0 for 3 the last week has sucked. I think areas up north got all 3 of the snow events

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If we believe the ratios will be in the 15:1 or slightly better range...the Euro would drop a general 1-3" across the OV over a 36 hour time period. Better than anything we've had all season, but would ultimately be a big disappointment considering the almost certain 8-10 day dead/warm period to end the month of January.

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8 minutes ago, RobB said:

At least all models are showing snows in the area.  How it all comes together is to be determined.

I remain hopeful with this one, but if not, many have said early February will begin a more favorable period for us.

Edited by JayPSU
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1 hour ago, Grace said:

I think the potential is better there than currently modeled. BSR has a stronger storm signal. That's not a guarantee but at least has my attention. 

Screenshot_20240115-083357_Chrome.thumb.jpg.c0a8858204a666ba36bb77e11cabfafa.jpg

Screenshot_20240115-083431_Chrome.thumb.jpg.2a4fe94dbcf429d80dc20143462b7798.jpg

Screenshot_20240115-083448_Chrome.thumb.jpg.045e766a8b42a1c0d7a99d1d387a2524.jpg

Screenshot_20240115-083503_Chrome.thumb.jpg.f0607b48eddd399a48a6d346c9b32751.jpg

If I have the right time frame, & I'm pretty certain I do. 

12z GFS is showing hints of a possible stronger system & the 12z Ensemble mean is as well. #trend

trend-gefsens-2024011512-f090.qpf_024h-mean-imp.us_ov.gif

trend-gefsens-2024011512-f090.sfcmslp-meanmem.us_ov.gif

You have me hopeful, Grace!

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Agree that it's important that most models (except Drunk Uncle --narrowing eyes at it) show a favorable snow event for our general area. Let's hold onto that and nail down the details. 

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ILN from earlier today. Interested to see their thoughts after the 12z runs. Think they usually update around 4p.

Quote
At some point on Thursday, precipitation will begin to develop in
advance of another shortwave moving into the area from west to east.
The initial forcing early Thursday may actually be more the result
of some right entrance region jet energy, before the shortwave has
more of a contribution to the forcing later Thursday into Friday.
Though there are still timing and magnitude differences between
models with this feature, some accumulating snow appears likely. The
generally cold temperatures will probably support snow ratios well
greater than 10-1 (maybe near or above 15-1) so even modest QPF
amounts could produce greater than an inch of accumulation. Still
too early to get into potential amounts, given the model variance,
but from a pattern recognition standpoint accumulating snow appears
likely.

 

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From beloved met Jym Ganahl: "We will warm Temporarily into the 20s on Wednesday and Thursday but next weekend is going to be even colder because there will be snow on the ground from Thursday Friday event. Best guess this far out is a fluffy 2-3 inches of snow. Still planning on the January Thaw next week."

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I don’t think the latest Blend has been posted yet.  All the way thru Sunday.  Add and or subtract any amounts you feel necessary. :classic_biggrin:

image.thumb.png.8bb7e55680c76ec9c0ba4082a5283def.png

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1 hour ago, BuckeyeGal said:

ILN from earlier today. Interested to see their thoughts after the 12z runs. Think they usually update around 4p.

 

Afternoon update.

Quote
.LONG TERM /WEDNESDAY THROUGH MONDAY/...
Cold weather pattern continues for much of the long term time
period.  Dry conditions will be present for the daytime hours on
Wednesday.  While air temperatures will be slightly warmer with high
temperatures in the 20s, with wind, wind chill values will be below
zero to start the day and then only be in the single digits to
teens during the afternoon.

As cloud cover increases Wednesday night in advance of the next
system temperatures will not drop overly much with lows around 20
degrees.  Snow will start to move into far northern portions of the
region Wednesday night and then overspread the rest of the area on
Thursday.  While there are differences in the details, models
continue to be in agreement on bringing accumulating snow to the
area on Thursday.  An additional disturbance will keep snow across
the region through Friday as well and bring the potential for
additional accumulating snow as well.

Friday night into Saturday the snow will be more in the form of snow
showers with favorable wind direction bringing some lake enhanced
snow showers to the area.  Cannot rule out some additional snow
accumulations from this as well.

By Saturday evening snow will have tapered off.  Winds will start to
decrease along with cloud cover.  With snow cover expected to be on
the ground along with the light winds and mostly clear skies,
temperatures will be quick to drop Saturday night.  Continue to drop
temperatures from the blend by around 5 degrees, however there could
be the potential for even lower temperatures.

The pattern starts to change on Sunday.  While temperatures will
still be below normal Sunday into Sunday night it will begin a
warming trend.  By Monday, temperatures are expected to climb above
freeing in many locations for the first time in over a week.

 

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32 minutes ago, BuckeyeGal said:

Long range NAM is still north with wave 1 (leading to i70 suck zone), but does show wave 2 building.

floop-nam-2024011518.ref1km_ptype.conus.gif.294d0407efc2a0bd47c529b3dfbbe76a.gif

This looks like it may have been a stronger storm, sort of what Grace was talking about

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