Traditional Culture Encyclopedia - Weather forecast - Some common terms in weather forecast

Some common terms in weather forecast

Second, the weather phenomenon terminology

1, precipitation intensity term

Light rain: Raindrops are clearly distinguishable, do not float, and do not splash when landing. The water in the depression is very slow, and the rain on the house is very weak, only the water dripping from the eaves. The precipitation within 24 hours is below10mm.

Moderate rain: the rain falls like a line, the raindrops are not easy to distinguish, the hard land is splashed everywhere, the water accumulates quickly in the depression, and there is a rustling rain on the roof. The precipitation within 24 hours is between10-25mm.

Rainstorm: The rain falls like a downpour, blurred into pieces, splashing high, the water in the depression is very fast, the visibility is greatly reduced, the roof has the sound of rushing rain, and the precipitation is between 25 and 50 mm within 24 hours.

Rainstorm: 1 hour precipitation is above16mm,12h precipitation is above 30-70mm, or 24h precipitation is above 50-100mm, etc. 12 hour precipitation 70- 140mm or 24 hour precipitation 100-200mm is a heavy rain; 12 hour precipitation is greater than140mm or 24 hour precipitation is greater than 200mm. Heavy rain causes soil erosion, damages the soil layer, accumulates water in the fields, and floods crops. The water is deep and lasts for a long time.

Light snow: the visibility is 1000m when it snows, and the precipitation is below 2.5mm within 24 hours.

Snow: When it snows, the visibility is between 500- 1000m, and the precipitation is between 2.5-5.0mm within 24 hours.

Heavy snow: when it snows, the visibility is less than 500 meters, and the 24-hour precipitation is more than 5.0 mm.