TBL 7-1-1 FIS-B Over UAT Product Update and Transmission Intervals Product AIRMET Convective SIGMET METARs/SPECIs NEXRAD Composite Reflectivity (CONUS) As Available As Available 1 minute/As Available 15 minutes FIS-B Service Transmission Intervals2 5 minutes 5 minutes 5 minutes 15 minutes NEXRAD Composite Reflectivity (Regional) 5 minutes 2.5 minutes As Available As Available As Available As Available 8 Hours/As Available 12 Hours 12 Hours 10 minutes 10 minutes 5 minutes 10 minutes 10 minutes 10 minutes 10 minutes NOTAMs-D/FDC/TFR PIREP SIGMET SUA Status TAF/AMEND Temperatures Aloft Winds Aloft 1 The FIS-B Over UAT Service Update Intervals1 Update Interval is the rate at which the product data is available from the source. 2 The Transmission Interval is the amount of time within which a new or updated product transmission must be completed and the rate or repetition interval at which the product is rebroadcast. Meteorology 7-1-23