Bananas.org - View Single Post - Brrr...its cold in San Jose, CA (Nor Cal)

legumepole · 11-21-2009, 11:09 AM

The air does not need to be >32 for frost to form.
Surfaces (like banana leaves) loose heat to the clear night sky and their surface will be coler than the sourounding air...leading to frost.

11-21-2009, 11:09 AM	#27 (permalink)
legumepole Location: Woodland, CA Zone: Zone 9 (Sunset Zone 8) Join Date: Aug 2009 Posts: 12 BananaBucks : 25,708 Feedback: 0 / 0% Said "Thanks" 0 Times Was Thanked 11 Times in 6 Posts Said "Welcome to Bananas" 0 Times	Re: Brrr...its cold in San Jose, CA (Nor Cal) The air does not need to be >32 for frost to form. Surfaces (like banana leaves) loose heat to the clear night sky and their surface will be coler than the sourounding air...leading to frost.