For a surface storm system to intensity, the upper-level low (or trough) should be located to the WEST of the surface low.
10 countries with the biggest proved coal reserves as of 2012
United States of America
Russia
China
Australia
India
Germany
Ukraine
Kazakhstan
Colombia
Canada
The Earth is roughly a sphere. The Earth is an irregularly shaped ellipsoid.
1.vally is flat land and Butte is is rock
