NUMBER 174

DATE: 01/09/98

Sector Processing Center (SPC):

During November, EUM, JMA, CSU and AES processed greater than 90% of A data into B1/B2 data.

Normal operations for November were reported by EUM, JMA, CSU and AES.

NOA reported a funding shortfall that has terminated deliveries of B2 data as of April 97. No change in this situation has occurred.

CSU is still supplying the AC data for GOES-8 until AES revises their format. AES has reported completion of this revision, but the new format has not be confirmed by the SCC.

Satellite Calibration Center (SCC):

AC data were received for November 97 from GOES-8, GOES-9, METEOSAT-6, GMS-5 and NOAA-14 (AVHRR and HIRS). BC data for September 97 for METEOSAT-6, GMS-5, GOES-8 and GOES-9 were shipped to the GPC.

All BC reports now include normalization for the visible, standard infrared and "split-window" infrared channels (except METEOSAT which does not have a split-window channel), and the "water vapor" channels.

Global Processing Center (GPC):

The GPC continued to receive B2 data, BC data and correlative data in a routine manner.

Production of NOAA-14 (preliminary) B3 data is current; but deliveries of B2 data ceased in May 97. The normalization of NOAA-14 to NOAA-9 has been completed, so production of final B3 can begin.

Production of NOAA-12 (preliminary) B3 data is current; but deliveries of B2 data ceased in May 97. An error in the calibration coefficients has been corrected and new B3 and BT data delivered. Final B3 data have been delivered through December 95.

Production of GOES-7 (preliminary) B3 data is complete. Final B3 data have been delivered through June 94.

GOES-8 B2 data deliveries are current. The formatting software has not been written yet.

GOES-9 B2 data for January 96 and for June through October 97 have been delivered. The formatting software has not been written yet.

Production of METEOSAT-3 (preliminary) B3 data is complete. Final B3 data have been delivered through June 94.

Production of METEOSAT-5 (preliminary) B3 data is complete. Final B3 data have been delivered through June 94.

Production of METEOSAT-6 (preliminary) B3 data has been completed through February 97.

Production of GMS-4 (preliminary) B3 data is complete. Final B3 data have been delivered through June 94.

Production of GMS-5 (preliminary) B3 data has been completed through August 97.

All B3 processing software and the B3 data formats have been revised to include, as of January 96, the normalization coefficients for all the additional spectral channels.

TOVS correlative data processing has been completed through January 97. Another unannounced format change in February 97 is being investigated.

Production of the ice/snow correlative dataset is complete through 94. Snow and sea ice data through 96 have been received.

DX/D1/D2 for February and March 89 and for November and December 93 have been processed. Testing of the D-data processing system on workstation is nearing completion.

The ISCCP World Wide Web Home Page can be accessed at URL

ISCCP Central Archive (ICA):

The ICA continued to receive B1 data from NOA, AES, EUM, CSU and JMA and B3 and C data from the GPC in a routine manner.

The health of GOES-8, GOES-9, GMS-5, METEOSAT-6, NOAA-12 and NOAA-14 remained good. The Chinese FY-2 satellite continues checkout; it appears to be operating very well, but problems with calibration and navigation are still to be resolved. METEOSAT-7 will not replace METEOSAT-6 until May 98. Launch of NOAA-K is now scheduled for 13 May 98.

Stage B3: July 83 - June 94 (11.0 years)

Stage CD: July 83 - December 94 (11.5 years)

Stage C1: July 83 - June 91 ( 8.0 years)

Stage C2: July 83 - June 91 ( 8.0 years)

Stage D1: January 86 - January 87, February 89 - December 93 ( 6.0 years)

Stage D2: January 86 - January 87, February 89 - December 93 ( 6.0 years)

* Delivery backlogs for B2 data (CSU = 17 months, NOA = 7 months).

* Delivery backlog for B3 data = 35 months (with respect to planned schedule). B3 data for 132 months have been archived.

* Delivery backlog for new DX/D1/D2 data = 41 months (with respect to planned schedule). C1/C2 data for 96 months have been archived. D1/D2 data for 72 months have been archived.