Friday, June 30, 2017

Eric Sloane's Weather Book

Eric Sloane's Weather BookEric Sloane's Weather Book by Eric Sloane
My rating: 5 of 5 stars

I've been reading selected books from our homeschool curriculum. My daughter remembered the bit about the woolly bear caterpillar's markings and winter predictions years after she read it. This book will inspire looking up more often--and shows what some careful observation can teach. Some of my favorite passages:

March 12, 2017 – page 12
"Ben Franklin advised that we "do business with men when the wind is in the northwest." He knew that when the wind is from that direction...the weather is likely to be buoyant, dry and hopeful--the best state for quick decisions and for bold enterprises."

March 16, 2017 – page 19
The troposphere is approx 5 miles high at the poles, but bulges to 10 miles at the equator. In temperate zones it's about 7.5 miles. This is due to centrifugal force at the equator.

March 24, 2017 – page 29
Isobars and millibars: "Exactly what a millibar is, is beside the point. It would make no difference if we measured air by the weight of apples or oysters. The point is that air pressure is higher or lower at one place than it is at another, or if it is going up or coming down."

April 2, 2017 – page 35
"The air you are now breathing was probably 500 miles to the west yesterday."

April 4, 2017 – page 40
Types of clouds associated with warm fronts: cirrus (wispy mare's tails), cirrostratus (cobwebby), cirrocumulus (mackerel) and finally towering thunderhead brings rain. From cobwebby halo around sun/moon it's 10 hours before rain starts.

June 13, 2017 – page 57
Winds: cushion effects, blanket effects, and even a cat's paw (ruffling the surface of the ocean). I have a new appreciation for sailing. So much to understand so you can get from point A to point B.

June 15, 2017 – page 64
The greater the spread between temperature and dewpoint, the farther away is rain. (Dewpoint is a humidity & forecasting measurement.)

June 30, 2017 – page 75
Heat lightning is regular old lightning that is too far away for you to hear the thunder (10-25 miles, depending)

June 30, 2017 – page 84
A waterspout is only sea water 7-10 ft up. The rest is a cloudforn of pure moisture coming down from above. Often start as a cumuli-mammato cloud. Can you guess what those look like?

June 30, 2017 – page 90
Look up and take note. "With your eyes in the sky, in old age may you walk lively in a path of beauty." -- Zuni saying

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