Barometric Pressure
Unit of measurement used for air pressure by meteorologists
What is millibars (mb)?
What type of air mass moves fastest, warm or cold air?
What is a cold air mass?
This instrument used to measure relative humidity
What is a psychrometer ?
What are the two types of pressure systems?
What is low and high?
This tropical storm brings Strong Winds and Rain. It loses strength when it moves over land or cooler water.
What is a Hurricane?
Lines on a map that connect areas having the same pressure are called...
What are isobars?
A continental air mass forms over ________ and is ______.
What is land and dry?
This instrument measures the direction of wind
What is a wind vane or weather vane?
This type of pressure system brings sinking air, clear skies, and has air that moves in a clockwise direction (in the N hemisphere).
What is a high pressure system?
There is a blizzard forecasted. What are at least two things you should do to prepare.
Stock up on essentials (food, water, medication)
Have batteries, candles, charge phones
Make sure to have blankets, fuel, shovel
If a station model has the barametric pressure listed as 013 and the barometric trend as -13. What was the pressure 3 hrs ago? include units
1002.6mb
A _______________ air mass forms over an ocean and is moist (humid).
What is a maritime air mass?
Dry-bulb temperature is 23oC and Dewpoint is 15oC what is the Wet-Bulb temperature?
The difference it 5 making he Wet-Bulb temperature
18oC
This pressure system is the center of all storms
What is a low pressure system?
There is a Toranado Warning What should you do?
What is go to the
basement
stormshelter
interior room
Air pressure ______________ (increases or decreases) with altitude.
What is decreases?
A tropical air mass forms near the ______________ so it has warm air.
What is the equator?
The air temperture is 10oC and the RH is 65%. What is the Dewpoint?
The Dewpoint is 4oC
Air pressure (or barometric pressure) always flows from areas of ____________ pressure to areas of ________ pressure.
What is from high to low?
What causes the Wet-Bulb temperature to be lower than the Dry-bulb temperature?
What is
Evaporation
The instrument used by meteorologists to gauge current air pressure is called...
What is a barometer?
____ ____________ are named for their moisture content and their temperature.
What are air masses?
This instrument that measures the speed of wind.
What is an anemometer?
This causes winds to curve along with the earth and is a result of the earth's rotation on its axis.
What is the Coriolis effect?
The name of a scientist that studies the weather.
What is a meteorologist?