Meteorology B

[GoofyFoofer]

Welcome to the Meteorology 2015 question marathon.
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I'll kick off...
In the vertical dimension, the upper level jet stream is located closest to which mandatory synoptic scale pressure level?

[GoofyFoofer]

In the vertical dimension, the upper level jet stream is located closest to which mandatory synoptic scale pressure level?

Um... Is somebody going to answer?

[John Richardsim]

Are you happy? (Click to Show Hidden Text)

The 300 millibar level

[GoofyFoofer]

Yes, yes I am very happy...
Your turn!

[John Richardsim]

How can an increase in atmospheric particulates affect temperatures?

[Unome]

Seems sort of broad, but... (Click to Show Hidden Text)

Particulates can block sunlight from entering the earth, causing an unusual drop in temperature (there's probably an opposite effect, but I don't know it :P).

[John Richardsim]

Correct. Also, particulate matter can serve as cloud condensation nuclei, and the increased incidence of clouds will result in smaller diurnal temperature ranges.
Edit: oh, and I forgot, they can also absorb insolation causing an increase in temperature.

[John Richardsim]

Seems sort of broad, but... (Click to Show Hidden Text)

Particulates can block sunlight from entering the earth, causing an unusual drop in temperature (there's probably an opposite effect, but I don't know it :P).

Your turn, Unome.

[Unome]

Ohh... I have no idea... Someone else can ask...

[John Richardsim]

What is the difference between an internal forcing mechanism different from an external forcing mechanism? (hint: check the wiki, I put it on there)