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ABOUT ADS-B WEATHER
The receiver receives ADS-B weather data and relays this information
to ForeFlight Mobile. The table below lists the weather information that is
available from ADS-B broadcasts. See the FAA’s Aeronautical Information
Manual, tables 7-1-1 and 7-1-2 for more information.
Product Range Broadcast intervals
National Radar Update
(CONUS)
Contiguous US 15 minutes
Local Radar Update 250 NM
2.5 minutes
(updated every 5 minutes)
AIRMETs
100 NM airport surface
500 NM en route/terminal
5 minutes
SIGMETs and
Convective SIGMETs
100 NM airport surface
500 NM en route/terminal
5 minutes
METARs
100 NM airport surface
500 NM en route/terminal
5 minutes
NOTAM(D) and FDC
NOTAM (including
TFR)
100 NM 10 minutes
PIREPs 500 NM en route/terminal 10 minutes
Special Use Airspace 500 NM en route/terminal 10 minutes
TAF
100 NM airport surface
500 NM en route/terminal
10 minutes
Wind/temperature aloft 1000 NM 10 minutes