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Ryan, That looks exactly like what I am seeing! Forgive my ignorance…but the L1 are not on NOAAPORT, correct? I am wondering the path that this data flows to make it onto NOAAPORT. Is this a case to reach out to NESDIS or someone else to inquire what might be causing these artifacts? Thanks! Jim Weber jim.weber@xxxxxxx<mailto:jim.weber@xxxxxxxxx> Certified Broadcast Meteorologist FOX 13 News WTVT - TV 3213 West Kennedy Blvd. Tampa, Florida 33609 Phone 813-870-9657 [fox13newscom] From: Ryan May <rmay@xxxxxxxx> Sent: Monday, November 1, 2021 4:39 PM To: Weber, Jim <Jim.Weber@xxxxxxx> Cc: python-users@xxxxxxxxxxxxxxxx Subject: Re: [python-users] Artifacts in Channel 3 GOES 16 imagery Hi Jim, There's no reasonable way that goes_restitch would introduce these kinds of issues that I can think of. All it's doing is directly copying the 2D chunk of data from the numerous "chunk files" into the single final data file. My guess is something is going on with NESDIS' (?) creation of the L2 Cloud Moisture Imagery, as I'm seeing the same artifacts in our datafiles for the L2 products, but not in the original L1 raw ABI imagery (see attached). Note that both of these datafiles were reassembled with goes_restitch. Ryan On Mon, Nov 1, 2021 at 1:34 PM Weber, Jim <Jim.Weber@xxxxxxx<mailto:Jim.Weber@xxxxxxx>> wrote: Hello, I have been working with Tom Yoksas to get all the goes-restitch setup. I have been trying to make the “True Color” images such as the image attached to this email called conus1.png The issue I am running into is that there are small purple specs in the imagery. After looking through the bands I noticed it appears the issue is in the “green” or channel 3 band. I am also attaching the channel 3 imagery where you can clearly see the white speckles in the imagery. I am getting my data via a Novra receiver that working with Tom has very low error rates, so I feel confident it is not something I am inducing into the imagery. I am also only finding it in the Channel 3 imagery. Is this something that the goes-restitch.py<https://urldefense.proofpoint.com/v2/url?u=http-3A__goes-2Drestitch.py&d=DwQFaQ&c=uw6TLu4hwhHdiGJOgwcWD4AjKQx6zvFcGEsbfiY9-EI&r=KKIRMcmZ6BcKOjHM4171gGDDLEx31ZuiUy6Gn81J_cs&m=Yk4LYfPGd9c9NAmft0-DuBushyXFmVsc1cHHmJ-idOqfh8DlB-yyY8Ds7G3cebZl&s=tiRYlclEntLy-xOyDvT_-9oZpMVLV6NvjZfWVkmUCPg&e=> script could be causing or do you know what might be causing this issue? Thanks so much for any help you can provide me! Jim Weber jim.weber@xxxxxxx<mailto:jim.weber@xxxxxxxxx> Certified Broadcast Meteorologist FOX 13 News WTVT - TV 3213 West Kennedy Blvd. Tampa, Florida 33609 Phone 813-870-9657 [fox13newscom] This message and its attachments may contain legally privileged or confidential information. It is intended solely for the named addressee(s). If you are not an addressee indicated in this message (or responsible for delivery of the message to an addressee), you may not copy or deliver this message or its attachments to anyone. Rather, you should permanently delete this message and its attachments and kindly notify the sender by reply e-mail. Any content of this message and its attachments that does not relate to the official business of Fox Corporation, or its subsidiaries must be taken not to have been sent or endorsed by any of them. No representation is made that this email or its attachments are without defect. _______________________________________________ NOTE: All exchanges posted to Unidata maintained email lists are recorded in the Unidata inquiry tracking system and made publicly available through the web. Users who post to any of the lists we maintain are reminded to remove any personal information that they do not want to be made public. python-users mailing list python-users@xxxxxxxxxxxxxxxx<mailto:python-users@xxxxxxxxxxxxxxxx> For list information, to unsubscribe, or change your membership options, visit: https://www.unidata.ucar.edu/mailing_lists/<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.unidata.ucar.edu_mailing-5Flists_&d=DwMFaQ&c=uw6TLu4hwhHdiGJOgwcWD4AjKQx6zvFcGEsbfiY9-EI&r=KKIRMcmZ6BcKOjHM4171gGDDLEx31ZuiUy6Gn81J_cs&m=Yk4LYfPGd9c9NAmft0-DuBushyXFmVsc1cHHmJ-idOqfh8DlB-yyY8Ds7G3cebZl&s=shv59_6ItTprXkjOkDZl6rG4j3ixZdOcp7JwmKrEiEI&e=> -- Ryan May, Ph.D. Software Engineer UCAR/Unidata Boulder, CO This message and its attachments may contain legally privileged or confidential information. It is intended solely for the named addressee(s). If you are not an addressee indicated in this message (or responsible for delivery of the message to an addressee), you may not copy or deliver this message or its attachments to anyone. Rather, you should permanently delete this message and its attachments and kindly notify the sender by reply e-mail. Any content of this message and its attachments that does not relate to the official business of Fox Corporation, or its subsidiaries must be taken not to have been sent or endorsed by any of them. No representation is made that this email or its attachments are without defect.
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