Professional aviation (civil aviation) airport information. meaning

These are called weather information, not English, but weather information. The core interpretation has actually been written under every message.

Let's start with METAR. The abbreviation means routine aviation weather report. The contents are as follows: ZLIC Yinchuan airport; Release the event at 9: 00 UTC time (information omitted in August) 13 (that is, Beijing time 2 1, 8 is required); The true direction of the wind is 160 (calculated counterclockwise, the total is ***360 degrees), and the wind speed is 6 meters per second; CAVOK means sunny weather; Temperature 30 degrees, dew point 8 degrees; Airport field pressure (air pressure) 1006 hectopascals (100.6 kilopascals); NOSIG means that the weather won't change much for two hours.

TAF airport weather forecast. Content: Yinchuan Airport No.9 was released at10 UTC (18: 31), and the validity period was from 12 UTC to 21UTC (from 20: 00 to 5: 00 the next day), the wind direction was 220 meters per second, and the visibility was 80000. NSC is not expected to have a significant impact in the short term.

SPECI is a non-routine weather report, and its format is similar to METAR. Content: Yinchuan Airport No.5 was released at UTC 12: 42 (20: 42), and the wind direction is 1305m per second, but the wind direction may change between 100 and 160; Visibility is more than ten kilometers; There are a few clouds 5000 feet (1500m) above the ground, and more cumulonimbus clouds are formed vertically. Temperature 30 degrees, dew point 12 degrees; Field pressure 100 1 hectopascals; It is expected that there will be no obvious change in two hours.

The content in the message is very rich, and it takes time to understand. I'm not a professional, so there may be mistakes. Please forgive me.