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Tag Archive for 'mid levels'

Wet rush hour marks the start of soaked weekend

3:50 PM
The rain is here and it is not going to be stopping any time soon through this weekend, which will be a perfect time to catch up on some movies, a good book, or perhaps finally conquer a very difficult video game.  What ever you do this weekend, it likely will not be done [...]

An overview of mesoscale banding and the impacts on snowstorms

11:30 AM
Through this winter one of the major impacts that has significantly impacted snow fall totals is the development of mesoscale snow banding within the precipitation shield.  The impact of such banding has produced staggering snowfall gradients throughout the region and has created significant impacts on many locations this winter.
Mesoscale banding can have several different [...]

Significant long duration winter storm expected starting tonight

8:40 AM
A major winter storm is starting to develop over the Gulf Coast that will have a lasting impact on the entire northern Mid Atlantic tonight through Friday evening.
This morning, the water vapor satellite picture shows two disturbances beginning to interact over the Tennessee Valley.  By this afternoon, these disturbances will form a powerful upper [...]

Convective snowfall to play a key role on Wednesday

9:37 AM
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The forecasted soundings for Wednesday morning are rather interesting and will likely have a key impact on snowfall totals throughout the region.
– Weather When Posted –Temperature: 23°F;Humidity: 57%;Heat Index: 23°F;Wind Chill: 10°F;Pressure: 29.99 in.;

How New York City and Long Island missed out on yesterday’s storm

1:14 PM
Before yesterday’s storm, there was a great amount of uncertainty on the exact amount of snowfall that would fall over the New York City metropolitan area and Long Island.  As the storm approached, there was indications that heavy snowfall was going to be able to push into New York City and at least the [...]

Uncertainty remains as major winter storm heads east

7:43 AM
I would love to say this morning that I know exactly what this storm is going to do and that I have complete confidence in the way the models are handling the moisture advection at the mid levels, the expansion of the precipitation shield, and the strength of the Sub Tropical disturbance.  If I [...]

Why I’m concerned about heavy snow along the New Jersey Coast

10:50 AM
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This morning I discussed my concern for convective snowfall along the New Jersey coast in the public post.  I wanted to give more details on this threat this morning.
This morning I took a look at the latest sounding from OKX, which is on Long Island.  Granted, the sounding is still a bit of [...]

Arctic cold in place, snow creeping north

9:23 AM
There’s a lot to cover this morning!  So let’s get to it!
The area of precipitation that will impact the northern Atlantic this afternoon through this evening is currently developing over the Tennessee Valley and western Virginia under the influence of the strong Sub Tropical disturbance that is driving towards the Mid Atlantic coast.  The [...]

Keeping an eye on the trends

8:57 AM
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The one feature this morning, that I discussed briefly in the public post this morning can be seen very clearly on the IR and water vapor images.
Note the cooling cloud tops over the Ohio Valley that is racing towards the northern Mid Atlantic.  This area of cooling is the direct result of [...]

Very cold day on tap for northern Mid Atlantic

7:50 AM
In case you haven’t realized from the gusty winds from last night, Arctic air has arrived for the New York City and Philadelphia metropolitan areas.  Temperatures this morning are in the single digits and teens over many interior locations and mid to upper 10’s along the coast with a gusty northwesterly wind around 10 [...]



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