Weather cup

1, which means the wind force is level 2;

2. The data in the weather calendar include precipitation, precipitation, wind speed, wind direction, temperature and cloud cover;

3. Fold the filter paper twice and lean against one side of the three-layer filter paper;

4. Toona sinensis is spread by animals.

Extended data:

Types of weather forecast:

First, according to the time limit of weather forecast

1, short-term forecast: forecast the future trend of 1 ~ 6 hours;

2. Short-term forecast: forecast the weather in the next 24-48 hours;

3. Medium-term forecast: the forecast for the next 3 ~ 15 days;

4. Long-term forecast: refers to the forecast from 1 month to 1 year.

5. Ultra-long-term forecast: the forecast time limit of 1 ~ 5 years is called ultra-long-term forecast;

6. Climate outlook: 10 year.

Second, according to the weather forecast range

1, large-scale forecast: generally refers to global forecast, hemispheric forecast, continental or national forecast;

2. Medium-term forecast: often refers to the forecast of provinces, states and regions;

3. Small-scale forecast: such as the forecast of a county, a city, a reservoir, an airport and a port.

References:

Baidu encyclopedia-wind speed