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MLK 2022 Storm Potential


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2 minutes ago, Interstate said:

You know that means Gloom and Doom

Not sure about  that. Maybe we're suffering from STF, storm thread fatigue. Nothing wrong with the overnight runs. The guidance is moving the storm more south and east which will be good for everyone but we're still 3.5 days from first flakes. LOL

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9 minutes ago, Wonderdog said:

Not sure about  that. Maybe we're suffering from STF, storm thread fatigue. Nothing wrong with the overnight runs. The guidance is moving the storm more south and east which will be good for everyone but we're still 3.5 days from first flakes. LOL

Maybe ensembles are, but the ops are still going west. At some point, the op needs to match or at least trend toward the ensembles or the ensembles are just plain wrong.

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11 minutes ago, Wonderdog said:

Not sure about  that. Maybe we're suffering from STF, storm thread fatigue. Nothing wrong with the overnight runs. The guidance is moving the storm more south and east which will be good for everyone but we're still 3.5 days from first flakes. LOL

I was talking more about the lack of posting. If the track was 100-150 miles east. We would have had 10 pages to go through. 

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4 minutes ago, psuhoffman said:

You took your meds today 

Nah, I havent even had coffee yet. Kids are off on a school ski club trip. Distractions are lessened. But ty for noticing.

The GFS op took that track (right over or just east of.phl) that you and I both laid out last night on where we thought the surface weaknesses should have been tracking this yesterday, so the nudge finally appeared. Interesting.

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Good discussion by LWX:

.LONG TERM /SUNDAY THROUGH WEDNESDAY/...
A very potent low pressure system will be pushing across the
southeastern U.S. on Sunday morning, with wintry weather ongoing
to our southwest. The surface low will track north and east
from there across our region through Sunday night and into the
northeastern U.S. by Monday morning/afternoon.

Confidence has increased in the path of this system at this
point, with the expectation that the low pretty much bisects the
region tracking west of the I-95 corridor. Virtually all
guidance has come to this solution, with still varying tracks by
a little here and there. The key is, there is a consensus
starting to take shape.

This ultimately translates to a very messy forecast,
particularly along the I-95 corridor. With a strong surface high
to the north, don`t see any way we don`t at least see some
front end snowfall as the system approaches from the southwest.
However, thinking we see a fairly quick transition to wintry mix
then rain along/east of I-95 especially.

For areas west of the I-95 corridor, well it is going to depend
on how far west you are. Sill thinking areas east of the Blue
Ridge will changeover to a wintry mix and even to all rain at
some point. But think we could see more in the way of snowfall
as the cold air holds on longer just along/east of the Blue
Ridge. For areas west of the Blue Ridge out to the
Alleghenies...this is where we will likely see the big winners
in terms of snowfall with this event. Cold air is expected to
remain locked in place as the low tracks east of these areas.

All this being said, have come down a touch for the I-95
corridor in our winter threat matrix, as consensus builds on a
less impactful event there. For areas west, especially west of
the Blue Ridge, prepare for a significant winter storm Sunday
night into Monday. We aren`t quite into the range for any
snowfall amount forecasts just yet, so still a good bit of time
for things to shift one way or the other. In fact, the 12z suite
of guidance this morning will be the first that has a real
sample of the upper-level features at play, as they just moved
on land overnight. So, it is important to keep checking back in
on our forecast as we fine tune it in the days to come. The
ceiling for this event is high for the entire area if this
system were to shift east, so keep that in mind for your
planning purposes. For our latest forecasts, check
weather.gov/lwx/winter.

By Monday morning, the aforementioned low will be departing to
the northeast. This will leave mostly dry and windy conditions
across the region. Expect some lingering light upslope snow
showers along the Allegheny Front, but should taper off by the
afternoon or early evening.
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8 minutes ago, Ralph Wiggum said:

GEFS lost all of the Western members at 6z. The mean slp is perfect. If I didnt see the op continually run this thing thru Harrisburg PA I would think the GEFS was honking a MECS from DC-BOS. This is good......real good:

1642074014517_18946979298394.thumb.gif.e8547d73921294b44c81714aba15910c.gif

Ok, when does Ji start worrying about suppression.

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A few things I saw elsewhere that weren’t mentioned in here:

1. There was an aircraft mission with dropesondes off the west coast, so that will help resolve the upper air features. 
 

2. 0z EPS had almost all members take an inland track. Huge difference between the EPS and the 0z and especially 6z GEFS. Given that the GFS is still a western outlier to the GEFS and we know the GEFS uses older/less capable physics, kinda think you have to toss the GEFS. 
 

On a more editorial note, it’s been nice to see the SE move from the GFS, but with the differences seen in the GFS/GEFS, I’m somewhat worried that the Euro/EPS is doing something better than the GFS and it’s still inching westward. Would really like to see the euro move SE today (say by tonight’s 0z runs) to validate the GFS trend.

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A few things I saw elsewhere that weren’t mentioned in here:
1. There was an aircraft mission with dropesondes off the west coast, so that will help resolve the upper air features. 
 
2. 0z EPS had almost all members take an inland track. Huge difference between the EPS and the 0z and especially 6z GEFS. Given that the GFS is still a western outlier to the GEFS and we know the GEFS uses older/less capable physics, kinda think you have to toss the GEFS. 
 
On a more editorial note, it’s been nice to see the SE move from the GFS, but with the differences seen in the GFS/GEFS, I’m somewhat worried that the Euro/EPS is doing something better than the GFS and it’s still inching westward. Would really like to see the euro move SE today (say by tonight’s 0z runs) to validate the GFS trend.
Gefs at 96 hours have been fine before. Now they are useless lol?
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1 minute ago, Ji said:
7 minutes ago, WxUSAF said:
A few things I saw elsewhere that weren’t mentioned in here:
1. There was an aircraft mission with dropesondes off the west coast, so that will help resolve the upper air features. 
 
2. 0z EPS had almost all members take an inland track. Huge difference between the EPS and the 0z and especially 6z GEFS. Given that the GFS is still a western outlier to the GEFS and we know the GEFS uses older/less capable physics, kinda think you have to toss the GEFS. 
 
On a more editorial note, it’s been nice to see the SE move from the GFS, but with the differences seen in the GFS/GEFS, I’m somewhat worried that the Euro/EPS is doing something better than the GFS and it’s still inching westward. Would really like to see the euro move SE today (say by tonight’s 0z runs) to validate the GFS trend.

Gefs at 96 hours have been fine before. Now they are useless lol?

I mean, I hope not because 6z GEFS mean is perfect for us, but it’s pretty clear they’re missing something for this storm relative to all other higher resolution guidance that also has updated physics.

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