Tell us about a time you experienced heavy rain in your area. What did you observe about the clouds before, during, and after the rainfall?
What type of cloud is most commonly associated with thunderstorms and heavy rainfall?
Cumulonimbus
At ground level, how are rain and hail similar?
They can occur when the air is hot and moist.
What happens to air temperature when precipitation occurs?
It can either increase or decrease depending on the type of precipitation
Imagine you are a weather forecaster in Hanoi. What types of precipitation would you expect to report about during the summer months? Explain why these types occur.
It is a cold winter day in New York City. The air temperature is below freezing in and below the clouds. What is the most likely form of precipitation?
snow
Which cloud type is highest in the atmosphere and appears thin and wispy?
Cirrus
It is a hot, summer day, and a thunderstorm is possible. Which types of precipitation are most likely to occur?
Rain and hail
In Vietnam during the monsoon season, what is the most common form of precipitation?
Heavy rainfall
Which cloud type often appears as "cotton balls" in the sky?
Cumulus
It is winter, and you want to know where it might snow today. Look at the predicted temperature for each state. Then identify the states where it could snow today.
North Dakota, Michigan
Which condition is necessary for snow to form?
Temperatures below 32°F (0°C) throughout the cloud and to the ground
What type of precipitation is most common during spring in four-season countries?
Rain showers and occasional thunderstorms
Hail forms when:
Water droplets are carried up and down in a cloud, forming layers of ice
Sleet occurs when:
Snow partially melts and refreezes as it falls
Why do the northern United States get more snow than the southern states?
Because there are colder temperatures in the winter months in the northern states
In four-season countries, when does freezing rain most commonly occur?
Late fall to early spring
What type of clouds are flat and gray, often bringing light, steady precipitation?
Stratus
which ones do you think are most likely to produce rain? Explain your reasoning.
During winter, precipitation is most likely to fall as snow when:
Cloud and ground temperatures are below freezing
During Vietnam's dry season, which type of precipitation is most common?
Light scattered showers
Which cloud type is most likely to produce drizzle?
Stratus
There are some clouds forming in the sky on a hot day, but inside the clouds, there are freezing temperatures. Which form of precipitation would you expect?
Hail
Which season typically brings the most rainfall to Northern Vietnam?
Summer
Which form of precipitation occurs when water droplets fall from clouds at temperatures above freezing?
Rain
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