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NASA Distributed Active Archive Center (DAAC) at NSIDC

MODIS Data

Moderate Resolution Imaging Spectroradiometer

MODIS Cloud Cover Anomaly

An anomaly occurred in the processing of the MOD35 and MYD35 cloud products, which are used in the creation of MODIS snow and sea ice products, causing data appearing to have more cloud cover than what actually existed. The list below summarizes affected dates. Data for 09-19 July 2003 are being reprocessed and will eventually replace the original products. The MODIS science team is evaluating the science impact of the problem, to determine which other days should be reprocessed.

This page will be continually updated with reprocessing dates for affected data. Please check back soon for updates.

2000
01 March

2001
18 March
30 March

2002
19-31 January
01-04 February
08-10 February
02-03 March
19 March
30 April
01 May
04 June
11 June
07 July
10 July
12-15 July
18 July
21-22 July
30 July
17-18 August
24 August
04 September
05 September
07 September
11 September
14 September
15 September
01 October
10-15 October
29-30 October
09 November
17 November
25 November

2003
11-13 January
25-26 January
01-02 February
04 March
23 March
24 April
06 June
08 June
21 June
09-19 July