Enter a ZIP code to get a forecast:
Setup Location

WRN Logo

Thickness - 1000-500 mb -12 hr

Please take our Weather website Usage Survey
Note: This survey is hosted on Survey Monkey servers. Clicking the survey link above will direct you outside our network to the Unisys-approved survey page on the Survey Monkey website. We respect your privacy in accordance with our Privacy Notice.
Thickness - 1000-500 mb -12 hr
Click On the Image For Full Size.

This is contour plot of thickness in meters with an interval of 60 meters. Thickness is a measure of mean temperature in a layer of the atmosphere and ranges from 4900m in cold wintertime atmospheres to 5900m in warm summertime atmospheres. The 5400 meter line is often used as an indicator of the rain-snow line.