The art and science of drawing weather maps:
http://www.abc.net.au/news/2017-03-2...sf65106128 =1

The final sentence rings a few bells:
"You can tell who has done the drawing — you can also tell whether
they're at the start of a shift or the end of a shift."

--
Graham P Davis, Bracknell, Berks. [Retd meteorologist/programmer]
Web-site: http://www.scarlet-jade.com/
Never approach a bull from the front, a horse from the rear,
or an idiot from any direction! [Irish proverb]