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There is no expiration for tokens. However, LAADS infrastructure team implemented a cross-site token compatibility last night that might have caused it. The cross-site token compatibility makes it possible for token generated on one LAADS site to work on all sites.

I tried your wget command with my token and it worked without any issue (see below). Please try again after generating a new token from ladsweb (https://ladsweb.modaps.eosdis.nasa.gov/). wget -e robots=off -m -np -R .html,.tmp -nH --cut-dirs=3 "https://ladsweb.modaps.eosdis.nasa.gov/archive/all...

On May 6, 2021 following email was sent to all lance-modis users informing them about an issue with token generated prior to Monday, May 3: Dear lance-modis Users, On Monday, due to a bug we lost the encryption keys used to generate/verify our app tokens and had to generate new ones after fixing the...

For Level 3 (MxD08_D3) Water Vapor data available are: IR retrieval: Atmospheric_Water_Vapor_High - Precipitable Water Vapor (IR Retrieval) 440 to 10mb Atmospheric_Water_Vapor_Low - Precipitable Water Vapor (IR Retrieval) Surface to 680mb Atmospheric_Water_Vapor_Mean - Precipitable Water Vapor(IR Re...

Dear Anila,
Can you explain what do you mean by "the profile info in L3 Format"?

The Envisat MEdium Resolution Imaging Spectrometer (MERIS) on board the European Space Agency's polar-orbiting Envisat-1 environmental research satellite was primarily designed for measuring ocean color, but is widely used for a global environmental monitoring system. More information about the miss...

Users can find MAS and eMAS information and data from LAADS DAAC at:
https://ladsweb.modaps.eosdis.nasa.gov/ ... ments/mas/

You should ask your question to FIRMS user support by clicking the “Feedback” link in upper right corner of FIRMS page.

Hi Sahir,
Have you tried NASA's Fire Information for Resource Management System (FIRMS) at:
https://earthdata.nasa.gov/earth-observ ... time/firms
The FIRMS distributes active fire data from MODIS and VIIRS instruments.

Dear User,
You could not find VNP43LGDNBA1, VNPLG09GA, and VNP04LGA products because these are for internal use and are not made publicly available.

Regards,
LAADS User Services