The 500mb pressure surface. Almost all of the vorticity and height anomaly maps you see posted on here are at 500mb. An important tool to make inferences about what the surface wx may be like, and a common place used to assess model verification.What is h5?






![soundings-[33.42,-85.71]-ukmo_global-prateptype_ukmo-imp-conus-2026011212-144.png soundings-[33.42,-85.71]-ukmo_global-prateptype_ukmo-imp-conus-2026011212-144.png](https://southernwx.nyc3.digitaloceanspaces.com/data/attachments/182/182711-dde36681c19743b7c8ac5553dda5f4c7.jpg)















