Predicting the Weather

Objective:

Can I use meteorological data to predict weather?

A person who studies weather

patterns and predicts weather

is a _______________

Weather Tools

1. Thermometer • Measures temperature

– Water (Rain) will freeze at 32 degrees

2. Radar

Determines the locations of a heavy downpour

The Weather Channel Website

3. Barometer

Measures air pressure

LOW pressure means heavy rain

Air Pressure Video Clip

http://youtu.be/i2UKTpIQG6M

4. Anemometer

Measures the speed of wind

Anemometer Video Clip

Reality Check

• Can I use meteorological data to predict weather?

Let’s Review

Turn to the Back of your notes and number 1-5.

1. Which of the following instruments measures air pressure?

a. thermometer

b. barometer

c. anemometer

d. windsock

2. On a summer evening, a barometer reading shows a gradual increase in air pressure. The humidity is 80%. The thermometer reading is slightly increasing. Based on these data, what type of weather should be expected for the next day? Why

Clear and Sunny

3. If the wind was 135 mph what classification of hurricane would it be

4. A student observes a clear sky and a temperature reading of 35 Celsius at 8:00 a.m. What is the most likely prediction about the day’s weather?

a. the day’s weather will be cold

c. the day’s weather will be hot

b. the day’s weather will be rainy

d. the day’s weather will be snowy

5. A meteorologist used radar to analyze the wind during a storm in the central plains of the United States. The winds were measured at 145 miles per hour and were moving in a circular pattern. According to the data, which event was the meteorologist most likely observing?

a. tornado c. rainbow

b. lightning storm d. cloud formation