meteo 003: lab 4 chapter 4: 14ab, 15c chapter 5: 4abc, 10ab, 18 chapter 6: 2ab, 7ab, 9acd chapter 7:...
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Meteo 003: Lab 4Chapter 4: 14ab, 15c
Chapter 5: 4abc, 10ab, 18Chapter 6: 2ab, 7ab, 9acd
Chapter 7: 9ab
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4.14a,b pg. 163
Isohyets: isopleths of rainfalla)-same guidelines as all isoplethsHint: you’ll have to draw circles in placesb)-prevailing winds are northeasterly-draw an arrow of the wind direction-air rises on windward side of a mountain
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4.15c pg. 164
Heat Index/Apparent Temperature: the temperature the air “feels like” to a person when moisture is taken into accountc)
-temperature is in ᵒF -vapor pressure is in mb*note that the units do not work out, this is a simplified equation-when given dew point, substitute vapor pressure for equilibrium (or saturation, same thing) vapor pressure
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Apparent Temperature Example
• Find the apparent temperature for a day given that the air temperature was 80ᵒF and the dew point was 70ᵒF.
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5.4a,b,c pg. 200Type of Imagery Visible Infrared Water Vapor
Color Darker Lighter Darker Lighter Darker Lighter
Interpretation Clearer Cloudier Warmer Colder Drier Moister
a,b)-Connect concepts to images-Refer to pages 180-183 in the textbook-Water vapor imagery can only tell us about water vapor content in upper troposphere. Why? See pages 180-183.c)-Which form of radiation has wavelength in the range of 0.4-0.7 microns?
(for black and white or grayscale images)
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5.10a,b pg. 205
a) -Which imagery is used to determine albedo?-Consider your answer from 5.4.c-High albedo = reflecting more, low albedo = absorbing moreb)-Which imagery reveals information about temperature?-Refer to table in previous slide
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5.18 pg. 211
-Radar beams are sent out at an angle-For the snow showers to not be seen by the radar, what must be true?
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6.2a,b pg. 243Pressure Gradient Force: the force that directs air from higher toward lower pressure. *always points from high to low pressure*perpendicular to isobars (gets from high to low pressure fastest this way)-Think about when you’re pumping up a sports ball and air comes out a)-Wind blows away from higher pressure and toward lower pressure-Make sure to draw about a dozen arrows b)-Would the pressure gradient force be different in the Southern Hemisphere?
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6.7a,b pg. 248
-Surface pressure at different locations need to be converted to sea-level pressure to be able to compare -Pressure decreases with height in the atmosphere
a)-Use pressure decreases 10 mb for every 100 m of elevationEx) What is the corrected to sea-level pressure of State College, PA if the surface pressure was measured to be 965 mb and the elevation is 350 m?
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6.7 cntd…b)-Pressure is lower at higher elevations-That’s why the air is thinner and harder to breathe in places like Denver, CO-How would a map of pressure look if left uncorrected to sea-level?
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6.9a,c,d pg. 249
*NO part ba)-Identify Highs and Lows by finding relative maxima of closed isobarsc)-Wind barbs show the direction the wind is coming from-Consider how wind flows around High and Low pressure systemsd)-In general, the tighter the isobars, the faster the wind speed-This is due to a stronger pressure gradient force
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7.9a,b pg. 300
-A warmer column of air will have higher heights on a given pressure surface when compared to a colder column of aira)-Determine which location is warmest, which is coldest?-How would the temperature of each location affect the height of any given pressure level?b)-Use the same concepts from part a but instead of different locations think of different seasons
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Chapter 4: 14ab, 15cChapter 5: 4abc, 10ab, 18Chapter 6: 2ab, 7ab, 9acdChapter 7: 9ab
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