Monday mirthiness: Autumn – time to test fireworks

Josh provides some insight on how Kev and Gav test “the package”of  fireworks.

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John Marshall
September 6, 2011 1:57 am

Unlike the UK Met. Office, who deem summer to have ended on 1st Sept., I know we have until 21st Sept the equinox.
Josh can produce some funny cartoons and this is no exception.

Editor
September 6, 2011 4:59 am

John Marshall says:
September 6, 2011 at 1:57 am
> Unlike the UK Met. Office, who deem summer to have ended on 1st Sept., I know we have until 21st Sept the equinox.
The US and most other North American meteorological organizations deem that the last day of summer is Aug 31, and that the first day of autumn is Sep 1. Southern hemisphere folks deem that Sep 1 is the onset of spring. This is in part due to temperature patterns and in part convenience, though spring sure doesn’t start in New Hampshire on Mar 1. That’s even too early for Mud Season.
Astronomers are more interested solar position, not solar heating, and deem the transition to be the moment the subsolar point crosses the equator on its southward spiral.