User Guide

Table Of Contents
AV8OR Ace User’s Guide Aviation Mode Operation
Weather Function
Pub. No D200904000003 Page 3-143 Rev 1 Jul 2009
© Honeywell International Inc. Do not copy without express permission of
Honeywell.
Figure 3-150: Text Conv-SIGMETs
A Convective SIGMET (Convective Significant Meteorological
Information) is an advisory of convective weather that the forecaster
believes hazardous to all aircraft. Convective SIGMETs address
details regarding severe thunderstorms, embedded thunderstorms, a
line of an area 40 percent or more of an area at least 3,000 square
miles. Convective SIGMETs are issued hourly with a maximum
forecast period of 2 hours.
A Convective SIGMET contains elements in the following order:
Region Identifier and issue date and time
Report designator
Validity period
Area of coverage
Location details
Weather phenomena details
Legend
In pointer mode (the user taps on the map and a black arrow pointer
is shown) the LEGEND soft key is used to display the Legend
Window.