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High and Low Pressure Systems Random ?s Part 2 Questions 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points More ESRT and Random ?s ESRT
What is the dewpoint?
2°C
What is the dewpoint temperature when the dry-bulb temperature is 24°C and the wet-bulb temperature is 21°C?
20°C
On a cold winter day, the air temperature is 2°C and the wet-bulb temperature is -1°C. What is the relative humidity at this location?
51%
Which temperature zone of Earth’s atmosphere contains the most water vapor?
Troposphere
Which process requires water to gain heat energy from the environment?
Evaporation
Describe the movement of air in a low-pressure system.
Counterclockwise and toward the center of the low
The air pressure at the center of this low is… a. 991 mbb. 994 mbc. 997 mbd mb
994 mb
Which location is experiencing the fastest winds?
Location B
Adjacent water and landmasses are heated by the morning Sun on a clear, calm day. After a few hours, a surface wind develops. Which map best represents this winds direction?
1
Which station model correctly represents the barometric pressure at station A? a. b. c. d.
B
In which two temperature zones of the atmosphere does the temperature increase with increasing altitude?
Stratosphere and Thermosphere
Which wind speed was recorded at Detroit?
25 knots
Air masses are identified on the basis of temperature (warm or cold) and…
Moisture (wet or dry)
During some winters in the Finger Lakes region of New York State, the lake water remains unfrozen even though the land around the lakes is frozen and covered with snow. The primary cause of this difference is that water a. gains heat during evaporation b. is at a lower elevation c. has a higher specific heat d. reflects more radiation
C
Which city had the highest relative humidity?
Utica, New York
An air mass classified as cT usually forms over which type of Earth surface?
Warm land
If this weather system is following a normal storm track, the center of this low is most likely moving toward which city?
Plattsburgh
Buffalo, New York is 400 miles away from Albany, New York. The air pressure in Buffalo is 998.0mb and the air pressure in Albany is 978.0mb. What is the air pressure gradient?
.05 mb/mi
Cloud formation is likely to occur in rising air because rising air a. expands and cools b. expands and warms c. contracts and cools d. contracts and warms
A
What causes the Coriolis effect?
The spin of Earth of its axis
Use the standard two-letter air-mass symbols to identify air- masses X and Y.
Air-mass X = cP Air-mass Y = mT
Explain why the warm air is rising along the warm front.
Warm air is less dense than cool air. Cool air is more dense than warm air.
What are 2 safety precautions that could be taken in the event of a tornado?
-stay indoors -lay low in a ditch -emergency kit -to in a basement
What is the air pressure, in millibars, at this station?
mb
What is the present weather at this station?
snow
Make your wager
A barometric pressure of millibars is equal to how many inches of mercury?
30.15”