Of course you have.
Well, help is at hand – in the form of The Skywatcher’s Cloud Chart. With photographs and captions by John A Day, author of The Book of Clouds, it is the chart of choice for the American Meteorological Society and the Weather Channel, and a worthwhile addition to any cloudspotter’s wall.
Following extensive and hard-nosed negotiation, members of The Cloud Appreciation Society can buy it from Jack Borden’s For Spacious Skies website at the reduced price of $11.45 + postage. For those in the US, that means a total of $13.95. It is large, laminated and sent in a sturdy cardboard tube so, for members outside of the US, postage is considerably more.
Just quote your membership number when you order from http://www.forspaciousskies.com.