AV8OR User’s Guide
Aviation Mode Operation
Weather Function
Pub. No D200803000008 Page 3-116 Rev 3 Apr 2009
© Honeywell International Inc. Do not copy without express permission of
Honeywell.
•
Location of weather phenomenon
•
Weather phenomenon details.
Text Conv-SIGMETs (USA only)
Tap on the
CHOOSE PRODUCT
soft key on the Weather Main page
and select Text Conv-SIGMETs from the SELECT WX PRODUCT
box.
Figure 3-152: 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
