NAM analysis valid for grid point 8.2 nm / 283 deg from 49.247,-121.89:

As of Fri 14 Oct 2016 11:15:02 AM PDT, the NAM forecast sounding for 11AM
Near Fraser_Valley —closest grid point available to 49.247 -121.89 | Go Back |
This is the current analysis. For future forecasts go to NOAA soundings
TI is Thermal Index and LPT is the Theoretical temperature of a Lifted Parcel of air starting at the ground.
♦Reverse Rows

---

The Top of the Boundary Layer is also the Mixing Layer and is the level at which the Thermal Index = 0See DrJack's discussion or Richard Kellerman's pages.