SUUNTO AMBIT2 R User Guide - Manual (Page 66)

9.9 Weather indicators
In addition to the barometer graph (see 9.6 Using Barometer
profile ), Suunto Ambit2 has two weather indicators: weather trend
and storm alarm.
The weather trend indicator is displayed as a view in TIME mode,
providing you a quick way to check weather changes.
20.9.
Tuesday
16:30
20.9.
16:30
The weather trend indicator is comprised of two lines forming an
arrow. Each line represents a 3-hour period. A change in barometric
pressure greater than 2 hPa / 0.59 inHg over three hours triggers a
change the direction of the arrow. For example:
pressure dropping heavily over the last six hours
pressure was steady, but rising heavily over the last
three hours
pressure was rising heavily, but dropping heavily
over the last three hours
Storm alarm
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