Meteorology B

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gaun22
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Re: Meteorology B

Postby gaun22 » January 11th, 2019, 12:48 pm

Answer
1. This is just a guess but 1000 ppm? 2. Differences in atmospheric pressure create wind. Warm equatorial air rises higher into the atmosphere and migrates toward the poles(low pressure system) At the same time, cooler, denser air moves over Earth’s surface toward the Equator to replace the heated air(high-pressure system) Winds generally blow from high-pressure areas to low-pressure areas. The Coriolis Effect deflects wind to the right of it's intended path in the Northern Hemisphere and to the left in the Southern Hemisphere.
What causes frontogenesis and what is the difference between frontogenesis and frontolysis?
Last edited by gaun22 on January 14th, 2019, 3:32 pm, edited 1 time in total.
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Re: Meteorology B

Postby LiteralRhinoceros » January 13th, 2019, 6:31 am

Number 2 is right, but number 1 was 450 ppm (dangerously close to our current levels)
Frontogenesis occurs when the temperature gradient changes (magnitude or orientation) due to changes in speed and direction in the wind field.
Frontogenesis is an increase in the thermal gradient, while frontolysis is a decrease in the thermal gradient.
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Re: Meteorology B

Postby gaun22 » January 13th, 2019, 6:28 pm

Oh I didn't know that, thanks. You're correct but you didn't ask a question back.
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Re: Meteorology B

Postby LiteralRhinoceros » January 14th, 2019, 7:11 am

1. How does one draw an isotherm, given the temperatures? (where are the numbers in relation to the line?)
2. What is a blue norther?
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Re: Meteorology B

Postby gaun22 » January 14th, 2019, 3:47 pm

Answer
1. Isotherms are drawn in ten-degree intervals. Temperatures lower than the isotherm value are always on one side of the isotherm and higher temperatures are on the other side, while you connect the points that are the same. If the highest/lowest temperature value on the map equals an isotherm value, you're not supposed to draw that isotherm. If a temperature value appears out of place, you have to circle that value. 2. A Blue Norther is a fast-moving cold front that causes temperatures to drop dramatically. Common characteristics are a dark blue-black sky, strong winds, and temperatures than can drop 20-30 degrees Fahrenheit in a few minutes.
Decode and explain the METAR code: METARKORD041656Z19020G26KT6SM-SHRABKN07012/08A3016RMK AO2
Last edited by gaun22 on February 7th, 2019, 12:52 pm, edited 3 times in total.
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AarushMehta
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Re: Meteorology B

Postby AarushMehta » January 25th, 2019, 1:28 pm

gaun22 wrote:
Answer
1. Isotherms are drawn in ten-degree intervals. Temperatures lower than the isotherm value are always on one side of the isotherm and higher temperatures are on the other side, while you connect the points that are the same. If the highest/lowest temperature value on the map equals an isotherm value, you're not supposed to draw that isotherm. If a temperature value appears out of place, you have to circle that value. 2. A Blue Norther is a fast-moving cold front that causes temperatures to drop dramatically. Common characteristics are a dark blue-black sky, strong winds, and temperatures than can drop 20-30 degrees Fahrenheit in a few minutes.
Decode and explain the METAR code: METARKORD041656Z19020G26KT6SM-SHRABKN07012/08A3016RMK AO2


Answer
Location of the Station: North America/O' Hare. Date/Time: 4th day of the month, 16:56/4:56 pm ZULU/UTC. Winds: direction:190° speed:20knots gust:26knots. Visibility: 6 statute miles. Weather: light precipitation/light rain shower. Sky Conditions: 5/8-7/8 cloud coverage, 7,000 ft high clouds. Temp/Dewpoint: 12°C, 8°C dewpoint. Pressure: an altimeter was used, 30.16 inHg. RMK=end of observation. AO2=The site was automated and has a precipitation sensor.
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Re: Meteorology B

Postby gaun22 » February 6th, 2019, 3:56 pm

Correct!
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Re: Meteorology B

Postby IHateClouds » February 7th, 2019, 7:26 pm

What is the difference between a Santa Ana and a Chinook wind? What are they?
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Re: Meteorology B

Postby farmerjoe279 » February 25th, 2019, 5:58 am

IHateClouds wrote:What is the difference between a Santa Ana and a Chinook wind? What are they?


Santa Ana winds are located on the coast of california and they are really dry, warm winds that usually promote wildfires. Chinook winds are downward winds of the Rockies that are warm and dry.
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Re: Meteorology B

Postby IHateClouds » February 27th, 2019, 5:26 pm

I was looking more for there is no difference other than Santa Ana is southern CA and Chinook Winds are in northwest and the rocky mountain range and for part 2 that they arefohn winds . But you're correct!

Also, Im so happy someone finally answered my question :D It took a while :cry:
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Re: Meteorology B

Postby newt » March 16th, 2019, 5:56 pm

Since no one has updated this for a while, I'll ask a question:

What is the axial tilt? (Name the degrees and describe it)
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Re: Meteorology B

Postby AwersomeUser » March 16th, 2019, 6:10 pm

newt wrote:Since no one has updated this for a while, I'll ask a question:

What is the axial tilt? (Name the degrees and describe it)


23.5 degrees. Idk what you mean by describing it. It is what cause season to happen on Earth and the angle between an object's rotational axis and its orbital axis

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Re: Meteorology B

Postby IHateClouds » March 22nd, 2019, 3:08 pm

newt wrote:
Since no one has updated this for a while, I'll ask a question:

What is the axial tilt? (Name the degrees and describe it)


AwesomeUser wrote: 23.5 degrees. Idk what you mean by describing it. It is what cause season to happen on Earth and the angle between an object's rotational axis and its orbital axis


newt is being annoying and not updating so I'll just respond for her. You're correct :D I would also add It also is the primary cause for seasons :)

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What upper air chart is the jet stream most visible on?
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Re: Meteorology B

Postby randomsci » March 28th, 2019, 4:46 pm

Answer
200mb?


Next Question: Which type of heat is released on a sunny summer afternoon with high humidity when the sun begins to
set and the air begins to cool?

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Re: Meteorology B

Postby IHateClouds » March 28th, 2019, 5:44 pm

randomsci said:200mb

(sorry I didn't know how to do the box thingy.......)
This is a more complete answer: The jet stream is seen on both the 200 and 300mb charts. In the winter, the jet core is nearest to the 300mb since the air is colder and denser. However, in the warmer months the 200mb is better.
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