[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[IDV #CZF-360388]: GOES 16 17 Imagery 0.47 um Reduced to 1km

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: [IDV #CZF-360388]: GOES 16 17 Imagery 0.47 um Reduced to 1km
  • Date: Tue, 30 Jun 2020 10:24:20 -0600
> Full Name: Walter  Rogers
> Email Address: address@hidden
> Organization: Private Soaring Aviation Weather Support
> Package Version: V5.7
> Operating System: Windows 10
> Hardware:
> Description of problem: I just noticed a "fuzziness" or reduced resolution of 
> downloading the 0.47 um GOES 16 17 vis images. It used to be served up at 
> 0.5km, but now appears to be 1km resolution. The higher spatial time and 
> space resolution of 5min to 1min and 0.5 km is important for analyzing 
> development of small scale cloud development.
> 
> Why did this change occur with Unidata? Was this a mistake when the IDD 
> UNIWISC datastream changed on Feb 19, 2020?

I believe this is the change to save some bandwidth, no mistake.

Yuan
> "major upcoming changes to IDD UNIWISC datastream - Feb 19, 2020
> 
> The new products that will be available in the revamped UNIWISC feed
> are:
> 
> - full spatial and temporal resolutions for GOES-East (GOES-16) and
> West (GOES-17) CONUS coverage for the 6.2um WV and 10.3um thermal
> IR channels, and a reduced resolution for the 0.64um VIS channels
> 
> GOES-East/West 0.64um CONUS VIS imagery will have (nominal)
> resolutions of 1.0km and the 6.2um WV and 10.3um thermal IR imagery
> will have (nominal) resolutions of 2km."
> 
> 
> 
> 


Ticket Details
===================
Ticket ID: CZF-360388
Department: Support IDV
Priority: Normal
Status: Open
===================
NOTE: All email exchanges with Unidata User Support are recorded in the Unidata 
inquiry tracking system and then made publicly available through the web.  If 
you do not want to have your interactions made available in this way, you must 
let us know in each email you send to us.