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Jan 15-16 Storm Threat Thread: The Return of Hope??


stormtracker
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2 minutes ago, WxUSAF said:

Wow, LWX super aggressive. Hope they’re right.

.SHORT TERM /6 PM THIS EVENING THROUGH TUESDAY NIGHT/...
The region is likely to see the first significant accumulating snow
in several years, starting late tonight in central VA, then
spreading northward Monday into Tuesday. Cold conditions expected
through mid week as highs struggle to reach the mid 30s south/east
of US-29, and remain below freezing to the north/west. Monday night
will see temps drop to the 20s, with teens in the mountains. Frigid
temperatures arrive Tuesday night as the temps plunge into the
teens, with single digits in the Alleghenies. Combined with gusty
winds, dangerous wind chills are likely in the single digits to
single digits below zero, and negative teens in the Alleghenies.

A potent jet aloft and numerous waves of low pressure traversing the
region that is socked in to an Arctic airmass will allow for at
least two periods of accumulating snowfall. The first is expected
tonight into Monday morning as a broad shortwave moves overhead. The
highest snow totals are expected in Central VA and the Central
Shenandoah Valley where Winter Weather Advisories have been issued.
Snow amounts of around 1" are expected along the I-95 corridor from
Fredericksburg up to the DC metro, and around half an inch up to the
Baltimore metro. Snow rates should decrease Monday afternoon as the
area enters a lull between events. Intermittent light snow and
flurries will be possible all day across most of the area.

The second period of snow is expected Monday evening into Tuesday,
and this is expected to produce widespread snow amounts of 2-3" with
isolated higher amounts possible. Additional Winter Weather
Advisories are expected to be issued during the next forecast cycle
tonight to account for the second period of snow.
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18z NAM really strengthened the potential a little bit.. same precip, but it's closer to a phase, and about 3-4mb lower with the coastal. I think they could go WSWatches. Key thing is 18z HRR had a more negative tilt early, and upped totals in the SE. Negative is it's going with a faster thump. 

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31 minutes ago, stormy said:

I was debating sending a flash to my Newsletter subscribers but I'm holding off.  Maybe the forecaster has had 3 or 4 Mimosa's.

Stormy, I would be interested in receiving your newsletter- can I send you a PM with my e-mail address?

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I'd be wary of the NAM folks, even the 3km. Mainly because, well, it's the NAM (btw NCEP can't pull the plug on that model soon enough). I know it's in the shorter range when the NAM could actually be right. But look at some of the CAMS, including the latest (18Z) HREF are all farther south with the axis. I mean, look at the latest HRRR (the one Pivotal Wx map)...heaviest stays south! And were within 24-36 hours of go time.

Will be interesting to see the 18Z GFS trends. ECMWF and UKMET, while not as far south with the max QPF and snow axis (into central VA), are definitely more muted with more widespread 2-3" for most, which is consistent with the NBM.

Proceed with caution with the NAM3..

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1 minute ago, WxMan1 said:

I'd be wary of the NAM folks, even the 3km. Mainly because, well, it's the NAM (btw NCEP can't pull the plug on that model soon enough). I know it's in the shorter range when the NAM could actually be right. But look at some of the CAMS, including the latest (18Z) HREF are all farther south with the axis. I mean, look at the latest HRRR (the one Pivotal Wx map)...heaviest stays south! And were within 24-36 hours of go time.

Will be interesting to see the 18Z GFS trends. ECMWF and UKMET, while not as far south with the max QPF and snow axis (into central VA), are definitely more muted with more widespread 2-3" for most, which is consistent with the NBM.

Proceed with caution with the NAM3..

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Good thoughts. Think we could get the last minute N trend. But I’d like to see gfs show 4-6” swath again on 18z 

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1 hour ago, jayyy said:


Was just going to say the same thing. My doctor thinks herbal remedies are better for my health, and I concur.


.

I agree, I have anxiety, depression and back pain (USMC vet lmao) and it helps me immensely. 

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