I was able to confirm this on my processing. The 1105Z files are cut off. I
saw the same incomplete image on IR and WV.
https://vietorweather.net/cgi-bin/wxp/satplot?if=sat_vis_g16f&ge=1000x700&cof=sat_vis16.cfl&cu=20240819_1105&pd=goese&com=lgray
I checked many of the images on the 10 minute intervals and they're all
complete. It's just the oddball one at 1105Z. Also, the glitch doesn't
appear to be on a tile boundary.
Dan.
On Mon, Aug 19, 2024 at 2:21 PM Mike Zuranski <zuranski.wx@xxxxxxxxx> wrote:
> Hey everyone,
>
> COD has some glitched imagery on their site and I believe the source is
> the SBN data. Here is an example (maps are missing and that's okay):
>
>
> https://weather.cod.edu/data/satellite/global/halfdiskeastnorth/02/halfdiskeastnorth.02.20240819.110522.jpg
>
> That's Full Disk data from SBN, and that's the only place I see this sort
> of thing occurring; not CONUS and not West, only East FD. It's not ALL the
> time, but it's enough to notice especially when you realize some frames are
> missing entirely. When I plot the same data from GRB the image appears
> normal. I can recreate this in McIDAS pointing towards Unidata's ADDE so
> it's not just COD.
>
> The other thing I noticed, if you look at the timestamp that's at minute
> :05, which is outside the normal 10-minute cadence. When I look at the
> metadata via McIDAS that was in Mode-4 (5-min FD) whereas normally it's
> Mode-6 (10-min FD). A few frames later it's back to Mode-6.
>
> I suspect somebody upstream is aware already. There are a few notices
> about degraded GOES-16 data here (
> https://www.ospo.noaa.gov/operations/messages.html) but nothing that's
> current. But given they're changing the satellite mode I have to assume
> that's done intentionally. I believe Gilbert is reaching out to OSPO
> separately, but I wanted to pass this along here too.
>
> Happy Monday,
> -Mike
>
>
> --
> - Mike Zuranski, Weather Data Nerd
> ----------------------------------
> Disclaimer: Thoughts, opinions and all general nonsense are those of
> myself and in no way reflect the views or positions of any other person
> or entity.
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--
*Dan Vietor*
*Senior Research Meteorologist*
CIRA, Colorado State Univ
Aviation Weather Center
Kansas City, MO
816.584.7211
