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Welcome to the LANCE-MODIS data system operated by the GSFC Terrestrial Information Systems Branch, Code 614.5. LANCE includes three near-real-time systems: the GES DISC AIRS and MLS systems, the OMI SIPS system, and this system. LANCE-MODIS provides certain Aqua and Terra MODIS L0, L1, L2, L2G, and L3 products on a near-real-time basis. On average, the L1 and L2 products are available within 2.5 hours of the observation time. LANCE-MODIS has two standalone systems to improve availability. Data products may be accessed from the FTP sites of either system.

Detailed information about LANCE-MODIS including the hardware configuration, the data flows, and metrics.

Data Products
Information about LANCE-MODIS data products including latency information, PGE versions, and a comparison of NRT and standard products.

Collection 6 Data Products
Information about LANCE-MODIS collection 6 data products.

Known Issues
Known issues with LANCE-MODIS data products.

User Services
Contact information for LANCE-MODIS user services.

Users must register before accessing LANCE-MODIS data products on the FTP Site.

2015.11.30 - 2015-11-30 LAADSWeb and LAADS FTP scheduled maintenance
LAADSWeb web site and LAADS FTP sites will be going down for about an hour on Monday, 30 Nov 2015, between 2pm and 3pm for maintenance.
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2015.11.24 - Lance-MODIS 07:40-18:15 nrt1 disk issue (fixed)
gov developed disk issues about 2015-11-24 07:40z this morning.
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2015.11.11 - Lance-MODIS 14:55-15:54 Aqua data gap (fixed)
Aqua 2015-11-11 at 09:20 and 14:55-15:55z has been reprocessed.
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2015.11.10 - Lance-MODIS 17:25-17:40 Aqua data gap (fixed)
Aqua 2015-11-10 17:25-17:40 has been reprocessed.
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2015.11.09 - Lance-MODIS+ Aqua latency
Re Aqua L0 EDOS reported on 11-09: EDOS is currently experiencing degraded network performance from Norway and as a result product delivery could be impacted.
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2015.10.29 - LAADS outage 07:00-15:00 EDT (was 10/27)
The LAADS website and ftp server will down on 2015-10-29 between 07:00 and 15:00 EDT to perform hardware maintenance.
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2012.09.10 - NRL-UND product
The Naval Research Laboratory and the University of North Dakota developed a value-added aerosol optical depth dataset based on MODIS Level 2 aerosol products. The NRL-UND product is a level 3 gridded product specifically designed for quantitative applications including data assimilation and model validation. This dataset has been given the ESDT identifier MxDAODHD
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