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How come, when the weather girl does the big screen thang, she's always looking stage right or left .......and never at the same weather map we're looking at, in the background? (I know the answer to this one.....hehehe)

1) The earth heats the air near the ground, making it warmer near the surface and colder as you gain altitude

2)Moisture attaches to particles in the air. Takes significant upward movement to make the really tall, towering cumulus clouds. I don't know how they all stick together and make one cloud. But I know you can't outclimb a towering cumulus on a hot summer day in a light-aircraft. And when you fly through one, you experience the moving air currents inside.

3)Cloud bases will form at the level where the temperature and dewpoint are the same.

I posted a while back how you could figure the average height of cloud bases by taking the temperature/dewpoint spread and dividing by 4.4. For instance if the temp is 75 and the dewpoint is 45, then divide 30 by 4.4 and you get roughly 6.8. You can pretty much guesstimate the cloud bases to be at 6800 feet.

The standard lapse rate is 2 degrees Celsius for every 1000 feet of altitude. For example, if the temperature is 15 C (59F) at sea level, and you climb to 10,000 feet, it will be on average, -5C (23F) at 10K.

No, I'm not a weather geek. I just got through studying all of this again to get back current on my license.

Hey Benny, The answer to all your questions is Because thats the way God wanted it!

Have you been digging in the old 4th grade school books?

Well, I reckon as long as the sun keeps on shining on the earth, it acts like a radiant heater and warms the air around it all of the time.

Radiation fog: result of a surface-based temperature inversion which occurs on clear, cool nights with calm or light wind.

When ground heat radiates out on clear nights, the cool ground surface cools still air at the surface to a temperature below the air above it. A temperature inversion.

Look outside right now and you see radiation fog.

If you've ever gotten up on top of radiation fog, you'll see a level where it goes no higher. That's the temperature inversion.

Or notice a fire burning out in the country early in the morning. The smoke rises for a little bit and then flattens out almost horizontal with the surface. That's the temperature inversion.

But you've got a point with the "hole" of rising warm air. Those are thermals. That's what the hawks and buzzards ride on...and hang glider pilots.

I've heard glider pilots say that you can fly over a big Wal-Mart parking lot and catch a thermal. All of that blacktop is heating the air above it.

It's ducks on the brain!

Nature will not allow a vacuum. As heated air rises, it is simultaneously replaced by cooler air settling in from another direction. We call it "wind" when the movement is rapid enough to detect.

i think we talked about this in chemistry or physics yesterday, i dont' remember the details, between the brunette in front of me and the blonde behind me, and sleeping, i didn't get to pay much attention in either

Good thread...

A T M O S P H E R I C P R E S S U R E

E N D O P L A S M I C R E T I C U L U M

i know what that is and what it does!!! part of the nucleus of a cell, you have a rough one and a smooth one, rough one is covered with ribosomes.... now i'm smart

MAN THAT LAST POST TELLS ME THAT YALL HAVE A LOT OF FREE TIME ON YOUR HANDS

The heating of the earth is caused from radiation from the sun. The hot air does go up but probably at the same rate as the earth heats it as long as the sun is up. You can see this because the air is not as hot nor is it as cold on cloudy days b/c the clouds act as insulation. The heat comes from the absorption of radiation (color). Black absorbes all of it. White reflects all of it, which is why I wouldn't wear a black shirt in the summer.

MAN THAT LAST POST TELLS ME THAT YALL HAVE A LOT OF FREE TIME ON YOUR HANDS

i have to find something to do between classes, the government says so, and i'm not allowed at the splash down pools in town