What I got (though I WANTED a Thommen), was an electronic barometer/altimeter/temperature gauge...similar to the Oregon Science models. It has a 12 hour "memory bar graph" indicating trends. I intend to use a notebook on our trip to keep track of 1)wind direction 2)temp 3)barometric pressure 4)cloud cover/type 5) and the actual "in my face weather". (thus also heeding Richard Smith's advice : "Local knowledge leavened with observation of changes in cloud cover and cloud type and variation in wind direction and velocity are your best bet for short term local forecasting.") After all it is a 7 week trip, and I probably will /can learn "something" while there! Which was part of the reason for my joy in finding a good small portable guide to cloud-types and their significance ( LD Rubin's "Cloud Book) which I mentioned in the original post. Thanks for your comments and advice! ----- Original Message ----- From: "Theresa Jancek" <tjancek_at_slic.com> To: "Paddlewise" <PaddleWise_at_lists.intelenet.net> Sent: Monday, May 15, 2000 10:41 AM Subject: Re: [Paddlewise] Weather forecasting (A couple of SNIPS here and there) > Changes in pressure over time -- up or down, steep or gentle -- are > important indicators of approaching weather systems.* And you don't > need a barograph to discern them. A plain-vanilla barometer and a > notebook will work just fine, thank you. Simply record barometric > pressure at set intervals (2 hours is a good place to start) and then > connect the dots. > For those with deep pockets and a fondness for gadgets, Casio (and > others) sell digital watches incorporating a recording > * For guidelines in interpreting such changes, see, for example, > pp. 57-58 in Jeff Renner's _Northwest Marine Weather_. (And, yes, > Renner's a "professional meterologist." His is expert counsel. Faint > hearts take comfort.) *************************************************************************** PaddleWise Paddling Mailing List - All postings copyright the author and not to be reproduced outside PaddleWise without author's permission Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Mon May 15 2000 - 14:34:01 PDT
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