What are the weather indicators in the weather forecast?

Weather sign patterns are special symbols representing various weather phenomena, clouds and sky conditions. Includes weather phenomenon symbols for observation and recording and weather graphic symbols for media communication. Common weather signs are: light rain, moderate rain, heavy rain, sunny, cloudy, cloudy, rainstorm, hail and thunderstorm.

According to the time range, that is, according to the time limit of weather forecast, it can be divided into:

1. Short-term forecast. According to the radar and satellite detection data, the local strong storm system in the future 1 ~ 6 hours is monitored and predicted.

2. Short-term forecast. Forecast the weather in the next 24 ~ 48 hours.

3. Medium-term forecast. 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 prediction. The forecast time limit is 1 ~ 5 years.

6. Climate outlook. 10 years old or older.

According to the area covered by the forecast, the weather forecast can be divided into:

1. Large-scale forecast. Generally speaking, it refers to global forecast, hemispheric forecast, continental or national forecast. Mainly produced by World Meteorological Center, Regional Meteorological Center and National Meteorological Center.

2. Medium-term forecast. Often refers to the provincial (district), state and regional forecasts, which are made by provincial, municipal or state meteorological stations and regional meteorological stations.

3. Small-scale forecasting. Such as the forecast of a county, city, reservoir, airport, port, etc. These forecasts are made by the local weather station.