example would be a NEXRAD radar composite/mosaic map, which has been modified by changing the scaling
resolution. The methodology of assigning reflectivity values to the resultant image components should be
described in the vendor"s guidance material to ensure that the user can accurately interpret the displayed data.
TBL 7-1-3

FIS-B Over UAT Product Update and Transmission Intervals

Product
AIRMET
AWW/WW
Ceiling
Convective SIGMET
D-ATIS
Echo Top
METAR/SPECI

Update Interval1

Transmission
Interval (95%)2
5 minutes

As Available
As Available, then at 15 minute 5 minutes
intervals for 1 hour
As Available
10 minutes
As Available, then at 15 minute 5 minutes
intervals for 1 hour
As Available
1 minute
5 minutes
5 minutes
1 minute (where available), As 5 minutes
Available otherwise

15 minutes
2.5 minutes
10 minutes
10 minutes
10 minutes

Basic
Product
Yes
No
No
Yes
No
No
Yes

MRMS NEXRAD (CONUS)
MRMS NEXRAD (Regional)
NOTAMs-D/FDC
NOTAMs-TFR
PIREP

2 minutes
2 minutes
As Available
As Available
As Available

Yes
Yes
Yes
Yes
Yes

SIGMET

As Available, then at 15 minute 5 minutes
intervals for 1 hour

Yes

SUA Status
TAF/AMEND
Temperature Aloft
TWIP
Winds aloft
Lightning strikes 3
Turbulence 3

As Available
6 Hours (15 minutes)
12 Hours (15 minutes)
As Available

10 minutes
10 minutes
10 minutes
1 minute

Yes
Yes
Yes
No

12 Hours (15 minutes)
5 minutes
1 minute

10 minutes
5 minutes
15 minutes

Yes
Yes
Yes

Icing, Forecast Potential (FIP) 3
Cloud tops 3

60 minutes
30 minutes

15 minutes
15 minutes

Yes
Yes

1 Minute AWOS 3
Graphical-AIRMET 3
Center Weather Advisory (CWA) 3
Temporary Restricted Areas (TRA)

1 minute
As Available
As Available

10 minutes
5 minutes
10 minutes

No
Yes
Yes

As Available

10 minutes

Yes

Temporary Military Operations Areas
As Available
(TMOA)

10 minutes

Yes

1 The Update Interval is the rate at which the product data is available from the source.

7-1-26

Meteorology