March 2, 1998 MEMORANDUM TO: Record FROM: Dennis A. Keyser -- W/NMC22 Subject: Changes to 3DVAR/OI/SSI-Data Preprocessor (May 1, 1997 Version -- AVN, FNL, CDAS DATACARD UPDATE # 7.3) Implemented 12Z 02 March 1998: NESDIS high-density satellite winds of the types IR cloud-drift, water vapor imager cloud top and new-format low-density picture triplet winds all switched on for processing and assimilation by Global and CDAS SSI. NESDIS conventional low-density satellite winds of the type IR cloud-drift (including picture triplet from old-format processing) are no longer processed or assimilated.