How to Use Weather Maps

Also known as Synoptic Charts!

Big image

What do all these lines mean?

Isobars are lines that join places with equal atmospheric pressure. They have a number on them which displays the amount of pressure. They typically get smaller or larger around a specific point. These points are called highs (because the pressure gets higher) and lows (because the pressure gets lower).

What about these other lines?

Cold fronts are oddly shaped lines that have triangles on them. Wherever the triangles are facing is where the cold is heading. Behind them is the colder temperatures, while directly in front seems to be hotter than usual. And of course there are warm fronts, which are the same except they have semicircles on the lines, and they are hot.