Surface weather analysis isotherms (lines of equal temperature), and isotachs (lines of equal wind speed) are drawn. The abstract weather symbols were devised to take up the least room possible on weather maps. A synoptic scale feature is one whose dimensions are large in scale, more than several hundred kilometers in length. Migratory pressure systems and frontal zones exist on this scale. Centers of surface high- and low-pressure areas that are found within closed isobars on a surface weather analysis are the absolute maxima and minima in the pressure field, and can tell a user in a glance what the general weather is
Pressure Points: Live in Concert Pressure Points: Live in Concert Pressure Points: Live in Concert is a live album by progressive rock band Camel, released in 1984. A remastered version with six bonus tracks was released in 2009 as a double CD Set. Side one Side two This LP also has strong interest with vinyl collectors. When it was first released on LP in 1984 the record was pressed incorrectly (with each side matched with the wrong labels) due to a production error. On the reverse of all 1st Pressings of this LP it states:- "SKL 5338 NOTE:- we regret that, due to a production