So isobar maps are important for the general public. You know, if you want to look at a weather map, you’ll see those black lines, that they often have between the Hs and the Ls. That’s high pressure ...

Isobar: On a weather map, a line drawn through all points of equal air pressure. Isobars form closed loops, and cannot branch or end. Isobaric patterns identify areas of relative high and low air ...

When looking up the great snow of Jan. 5, 1880 in Seattle, it turns out the West was so sparse that they didn't have enough observations to fill out a isobar map -- and Seattle didn't even rate on ...

Dear Tom,What do isobars represent on weather maps?—Mal Wallis, LyonsDear Mal,A bar is a metric unit of pressure and isobars are lines on a weather map that connect points of equal air pressure.

Dear Tom, What determines how isobars are drawn on weather maps? — Kyle Mann Dear Kyle, Hourly weather observations that include sea-level pressure readings are plotted or printed on weather ...

So it’s you see the isobar lines close together along with an ‘L’ expect it to be rainy and windy. On a weather map (synoptic chart), a low is denoted by an ‘L’ with the central pressure ...

On the weather forecasts, you often show plots of isobars moving and then seem to indicate that the winds will be running parallel to the isobars. We all know that winds should be perpendicular to ...

These are the great circle paths that correct for a flat map vs. round earth. When you see the isobar lines running parallel to the great circle lines, wind and eventually swell, ...

Isobars are lines/areas of equal pressure represented on a weather map. When isobars become very tightly grouped together it indicates a "tight pressure gradient" (steep slope).

THEY pop up on our TV screens every single day but more often than not we have no idea what we’re actually looking at.