Are weather depiction charts discontinued?
The new cloud and surface forecasts replace the GFS MOS ceiling and visibility graphical forecast products, which NOAA discontinued in mid-December 2019. The GFS MOS textual products for ceiling and visibility are still available on NOAA’s site and in ForeFlight’s MOS airport weather tab.
What weather Service do pilots use?
The most used website is the Aviation Weather Centre from NOAA (Link). This website uses all the weather data gathered by NOAA and puts it into dozens of formats covering all the US and at all altitudes. It is used by all kinds of pilots whether they are flying a hang glider or a Boeing 747!
Is ForeFlight approved weather source?
We received the FAA approval letter on Monday of this week. … This means that Part 121 and 135 operators may now list ForeFlight as their approved QICP and as an official source for weather information.
What is the difference between synoptic and prognostic charts?
Prognostic charts are computer generated forecast showing the expected pressure pattern at a specific future time. They usually represent the graphical output associated with a numerical weather prediction model. Synoptic weather maps describe the state of the atmosphere over a large area at a given moment.