Garmin GTN 625 Pilot's Manual page 424

11.4.12 Turbulence
Foreword
NOTE: Due to the incremental and overlapping nature of the FIS broadcast,
Getting
timestamps, regional coverage, and map data availability may vary with
Started
altitude for FIS-B turbulence forecasts.
Audio &
Xpdr Ctrl
Turbulence is classified as light, moderate, severe, or extreme. Turbulence
data is intended to supplement AIRMETs and SIGMETs.
Com/Nav
For FIS-B, the turbulence timestamp shows the valid time in UTC.
FPL
Altitude Range: 2,000 to 24,000 ft (at 2,000 ft intervals).
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
11-64
Figure 11-97 FIS-B Turbulence
1. While viewing the FIS-B Weather menu, touch the
Turbulence key.
GTN 625/635/650 Pilot's Guide 190-01004-03 Rev. P