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January 9-10, 2024 | NE / Mid-Atlantic Winter Storm


Penn State

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9 minutes ago, MDBlueridge said:

Definitely a booker lol for ice and snow

20240109_090531.jpg

Yes sir.. guessing at least 0.5" out there, waiting for the sleet to make it official.

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In my neck of the woods, the next week is turning into a pending serious widespread disaster.  Up to a foot of wet snow with winds up to 65 plus, then 1-2” of rain followed by a 2 day break then another snow to rain storm, then a potential classic nor’easter 3 days later with normal Jan temps.  Damage recovery will be very slow as there are many roadside trees still hanging sideways from the December blow.

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4 minutes ago, Wayuphere said:

In my neck of the woods, the next week is turning into a pending serious widespread disaster.  Up to a foot of wet snow with winds up to 65 plus, then 1-2” of rain followed by a 2 day break then another snow to rain storm, then a potential classic nor’easter 3 days later with normal Jan temps.  Damage recovery will be very slow as there are many roadside trees still hanging sideways from the December blow.

Yup - I'm supposed to head to Atlanta next Tuesday evening out of Logan.  Have a gut feel that will not be happening.

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45 minutes ago, MaineJay said:

I believe where you see the wind bars (NH/ME and St Lawrence) going more perpendicular to the isobars is known as ageostropic flow.  Generally, the bars are closer to parallel with these lines.  Hoping that CAD holds strong up here, fresh snow *should* encourage it.

hrrr_mslp_wind_neus_12.thumb.png.2d090c75e6b1be429daf8a218d10d764.png

Ageostrophic wind is the difference from actual wind to what geostrophic wind would be. As you go up in the atmosphere you deal with less friction so wind follows parallel to the isobar but at surface you have that friction component until you get to the 'free atmosphere' essentially the top of the boundary layer where fricition is virtually negligible. So winds turn at the surface compared to what gradient flow would suggest. Ageostrophic wind is that difference. Pressure gradient forces also play a role other than just friction.

If we use the wind to isobar approach to around NH/ME border the ageostrophic wind rough estimate would be to the NE. Strength of wind plays a role to how strong the ageostrophic wind is. Take for instance when we get strong CAD events we tend to have a N or NE wind from a high pressure up north and if we have weak surface winds to geostrophic winds ageostrophic flow is stronger meaning it bleeds down the east side of the apps. If we have stronger surface winds than what is produced by geostrophic flow ageostrophic flow starts to reverse and actually will point north east instead of sw like during weaker winds.

It really becomes rather complex when you know this is happening at every level differently.

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Just read a Bangor Daily News article posted this morning that says around Bangor there are still “hundreds” of utility poles that were only braced for a temp fix from the December storm…..😳

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No rain, yet, hope

Just now, Wayuphere said:

Just read a Bangor Daily News article posted this morning that says around Bangor there are still “hundreds” of utility poles that were only braced for a temp fix from the December storm…..😳

The US power grid is comparable to a third world country! Build back better though, send all that money to Iran and Ukraine. 😎

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7 minutes ago, LUCC said:

No rain, yet, hope

The US power grid is comparable to a third world country! Build back better though, send all that money to Iran and Ukraine. 😎

Kindly refrain from veering off topic.

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13 minutes ago, LUCC said:

No rain, yet, hope

The US power grid is comparable to a third world country! Build back better though, send all that money to Iran and Ukraine. 😎

And mind you, investors own the power grid up here.

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16 minutes ago, LUCC said:

No rain, yet, hope

The US power grid is comparable to a third world country! Build back better though, send all that money to Iran and Ukraine. 😎

PA where I live has a phenomenal power grid run by PPL Electric. Since we moved here 18 years ago, have only experienced like 5 power outages, of at most 2 - 3 hours tops, longest one happened during an end of October 2008 when 12" of very wet heavy snow fell, so we were without power for around 12 hours. And a few of the power outages were not related to weather at all actually. It was a car that ran into a pole and caught on fire, and the there were a couple other similar incidents. Again 2 - 3 hours max to get power back. Lastly all of those outages happened before 2013 when a major upgrade was made to the power grid in the Pocono plateau. So last 10 years we've been power outage free. In the valleys (Canadensis, PA for instance) because of very tall, old trees they tend to have more power outages, but their power grid is being upgraded as well.

 

28F an snow has lightened up a bit, around .9".

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13 minutes ago, MaineJay said:

And mind you, investors own the power grid up here.

You omitted the word “foreign” in front of investors…😉

So do we root for CAD to hang in there or a quicker push to warming?  Based on the 3 day storm cycle I’d almost rather see a quick changeover to erase any new accumulations in prep for the next mess.  Only have about 1” of snow on the ground so all good as far as flooding.

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