Cloud cover traps heat in the atmosphere. When the night sky is clear, a maximum of heat is radiated from the earth into space. Perhaps this is an over-simplification but it is pretty accurate, IMHO.
Len --- > -----Original Message----- > From: Robert Soames Wetmore [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, December 03, 2002 12:03 PM > To: [EMAIL PROTECTED] > Subject: OT: Really dumb question on atmospheric conditions > > > It was about 9 degrees Fahrenheit this morning and very clear > out. It seems > it is usually or often clear when very cold. Dumb question > but is this some > kind of rule: is it always/usually clearer when cold? And > why? Is it > because of the cold, or some other related factor which may > be present when > it is not cold or may sometimes not be present when it is > cold)? Or is it > all in my imagination? Thanks and forgive my ignorance... > > Rob > > > > > > _________________________________________________________________ > MSN 8 with e-mail virus protection service: 2 months FREE* > http://join.msn.com/?page=features/virus > >
