1. Weather Forecasting

2. Weather Forecasting
Weather Forecast – a prediction of weather conditions over the next few days
Meteorologists use special instruments to collect data for weather forecasting

3. Weather Forecasting Tools
Weather Balloons –
carries electronic
equipment up to 30 km
high which measures:
temperature
air pressure
relative humidity
wind speed &
direction
Transmits radio signals
to meteorologists

4. Weather Forecasting Tools
Windsock – a cone-shaped cloth bag that is open at both ends
wind enters wide end and exits through narrow end
wide end always points into the wind

5. Weather Forecasting Tools
Wind Vane – shaped like an arrow and attached to a pole
wind pushes the tail of arrow
vane spins until arrow points into wind

6. Weather Forecasting Tools
Anemometer – measures wind speed
has three or four cups connected to a pole with spokes
wind pushes on open side of cups and makes them spin
this spinning produces an electric current which is displayed on a dial

7. Weather Forecasting Tools
Radar – used to locate fronts and air masses
can show how much precipitation is falling and what kind it is

8. Weather Forecasting Tools
Satellites – orbits Earth to produce images of weather systems
can also measure wind speeds, humidity, and temperatures
used to track storms

9. Weather Maps
Weather Maps:
contain a station model – a symbol that shows the weather at a certain location

10. Weather Maps
Weather Maps:
contain isobars – lines that connect points of equal air pressure
closed circles represent areas of high or low pressure

11. Weather Maps
Weather Maps show:
fronts
air masses
high pressure
low pressure
temperature
precipitation

14. Recap!!!
How is an anemometer different from a windsock or a wind vane?
Anemometers measure wind speed. Windsocks and wind vanes are used to find wind direction.
What is a weather balloon and how does it work?
It carries electronic equipment up to 30 km high and transmits radio signals to meteorologists. It measures temperature, air pressure, relative humidity, wind speed & direction.

15. What does each symbol stand for?2
Cold Front 1
High Pressure
Isobar 3 4
Warm Front 5
Low Pressure 6
Stationary Front
What does each symbol stand for?

16. Climate Zones

17. Climate Zones
There are three climate zones:
Tropical Zones
Temperate Zones
Polar Zones

18. Climate Zones
Tropical Zone – known as the Tropics because it receives so much solar energy, it has high temperatures – hottest climate zone
found between 23.5 N and 23.5 S latitude
surrounds the equator

19. Climate Zones
Temperate Zone – receives less solar energy than the Tropical Zone
temperatures tend to vary depending on location and time of year
this is the middle zone found between 23.5 and 66.5 north or south latitudes
most of the US is in this zone

20. Climate Zones
Polar Zone – is the coldest climate zone
found between 66.5 and 90 north and south latitudes
extends to the poles

21. Recap!!!
What are the three climate zones?
Tropical Zone, Temperate Zone, & Polar Zone
Which zone surrounds the equator?
Tropical Zone
Which zone extends to the poles?
Polar Zone
Which zone has temperatures that vary?
Temperate Zone

22. Recap!!!
Which zone is the coldest climate zone?
Polar Zone
Which zone is the hottest climate zone?
Tropical Zone
Which climate zone is most of the US located in?
Temperate Zone

23. Label the climate zones1
Polar Zone 2
Temperate Zone 3
Tropical Zone 4
Tropical Zone 5
Temperate Zone 6
Polar Zone
Label the climate zones