AIM
9/5/24
TBL 4
−
5
−
3
FIS−B Over UAT Product Update and Transmission Intervals
Product
Update Interval
1
Transmission
Interval (95%)
2
Basic
Product
AIRMET
As Available
5 minutes
Yes
AWW/WW
As Available, then at 15 minute
intervals for 1 hour
5 minutes
No
Ceiling
As Available
10 minutes
No
Convective SIGMET
As Available, then at 15 minute
intervals for 1 hour
5 minutes
Yes
D
−
ATIS
As Available
1 minute
No
Echo Top
5 minutes
5 minutes
No
METAR/SPECI
1 minute (where available), As
Available otherwise
5 minutes
Yes
MRMS NEXRAD (CONUS)
2 minutes
15 minutes
Yes
MRMS NEXRAD (Regional)
2 minutes
2.5 minutes
Yes
NOTAMs
−
D/FDC
As Available
10 minutes
Yes
NOTAMs
−
TFR
As Available
10 minutes
Yes
PIREP
As Available
10 minutes
Yes
SIGMET
As Available, then at 15 minute
intervals for 1 hour
5 minutes
Yes
SUA Status
As Available
10 minutes
Yes
TAF/AMEND
6 Hours (
±
15 minutes)
10 minutes
Yes
Temperature Aloft
12 Hours (
±
15 minutes)
10 minutes
Yes
TWIP
As Available
1 minute
No
Winds aloft
12 Hours (
±
15 minutes)
10 minutes
Yes
Lightning strikes
3
5 minutes
5 minutes
Yes
Turbulence
3
1 minute
15 minutes
Yes
Icing, Forecast Potential (FIP)
3
60 minutes
15 minutes
Yes
Cloud tops
3
30 minutes
15 minutes
Yes
1 Minute AWOS
3
1 minute
10 minutes
No
Graphical
−
AIRMET
3
As Available
5 minutes
Yes
Center Weather Advisory (CWA)
3
As Available
10 minutes
Yes
Temporary Restricted Areas (TRA)
As Available
10 minutes
Yes
Temporary Military Operations Areas
(TMOA)
As Available
10 minutes
Yes
1
The 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
(95%) and the rate or repetition interval at which the product is rebroadcast (95%).
3
The transmission and update intervals for the expanded set of basic meteorological products may be adjusted based on FAA
and vendor agreement on the final product formats and performance requirements.
4
−
5
−
20
Surveillance Systems