Sawna Hawley wrote: Here's a science site mini review of Eric Sloane's
classic book "Look at the Sky and Tell the Weather" with nice links to
the Smithsonian: permalink:
http://glikglik.blogspot.com/2005/03/eric-sloanes-weather.html or
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e-mail: (Please put "wx" or "weather" in the subject
line to avoid the spam block.)Thanks for the info on the book. I have
found some reliable information from books about judging the upcoming
weather by the sky and the wind. There have been a number of cases over
recent years where poor cloud structure was not picked up by satellite,
and combined with the absence of our on site observers from the 20th
Century, this resulted in some pretty serious busts. I like the
cross-wind rules. If you're on a boat and the surface wind is
perpendicular to the directon the increasing cirrus/ cirrostratus is
pointing overhead, there is a storm upstream headed in your direction.
For example, if your surface wind is from the east and the increasing
CI/CS is pointing northeast and more north with time, then you have a
"bad moon rising", a storm on the way, coming up from your south or
southwest, and if your cirrus thickens and the altocu/altostratus
moving in has no thin spots, your storm is likely to be an intense one.
Remember that middle layer will be perpendicular to northward movement,
as opposed to the cirrus that stream along with the upper level flow.
Your window to all this closes off when the lower clouds move in, so
the trick is to catch it early. Take care, Lou


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