And my notes, and a video made at the time
by a amateur weather forecaster (JMA monitoring http://ds.data.jma.go.jp of the 10hPa over the Northern Hemisphere) was showing significant stratospheric warming (NOT a SSW) starting around 29th January 2016 — a shift of about 30 °C over a few days.
Not exact matches
The Climatological Observers Link was founded in 1970
by a small group of
amateur meteorologists and is the enthusiasts»
weather observer network for the United Kingdom.
Before the 19th century virtually all
weather observations were made
by amateurs, providing data that would become essential for tracking long - term changes.