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20001212: End of Year info ( leap year)

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NOTIFICATION : REMINDER FOR PASSAGE TO YEAR 2001:
THE ATTENTION OF MEMBERS IS DRAWN TO THE FOLLOWING REGULATIONS IN FM 92
GRIB
AND FM 94 BUFR:

IN FM 92 GRIB, UNDER SECTION 1 - PRODUCT DEFINITION SECTION:
NOTE (6): TO SPECIFY YEAR 2000, OCTET 13 OF THE SECTION (YEAR OF THE
CENTURY) SHALL CONTAIN A VALUE EQUAL TO 100 AND OCTET 25 OF THE SECTION (CENTURY OF REFERENCE TIME DATA)SHALL CONTAIN A VALUE EQUAL TO 20. TO SPECIFY YEAR 2001, OCTET 13 OF THE SECTION SHALL CONTAIN A VALUE EQUAL TO 1 AND OCTET 25 OF THE SECTION SHALL CONTAIN A VALUE EQUAL TO 21 (BY INTERNATIONAL CONVENTION, THE DATE OF 1 JANUARY 2000 IS THE FIRST DAY OF THE HUNDREDTH YEAR OF THE TWENTIETH CENTURY AND THE DATE OF 1 JANUARY 2001 IS 
THE FIRST DAY OF THE FIRST YEAR OF THE TWENTY FIRST CENTURY); IT IS TO
BE NOTED ALSO THAT YEAR 2000 IS A LEAP YEAR AND THAT 29 FEBRUARY 2000 EXISTS.

IN FM 94 BUFR, UNDER SECTION 1 - IDENTIFICATION SECTION:
NOTE (3): TO SPECIFY YEAR 2000, OCTET 13 OF THE SECTION (YEAR OF THE
CENTURY) SHALL CONTAIN A VALUE EQUAL TO 100. TO SPECIFY YEAR 2001, OCTET 13 OF THE SECTION SHALL CONTAIN A VALUE EQUAL TO 1 (BY INTERNATIONAL CONVENTION, THE DATE OF 1 JANUARY 2000 IS THE FIRST DAY OF THE HUNDREDTH YEAR OF THE TWENTIETH CENTURY AND THE DATE OF 1 JANUARY 2001 IS THE FIRST DAY OF THE FIRST YEAR OF THE TWENTY FIRST CENTURY); IT IS TO BE NOTED ALSO THAT YEAR 2000 IS A LEAP YEAR AND THAT 29 FEBRUARY 2000 EXISTS. 

IN GRIB AND BUFR, THE CENTURY AND YEAR ARE CODED AS FOLLOWED:

YEAR   GRIB CENTURY ID  BUFR AND GRIB YEAR ID
1998   20     98
1999   20     99
2000   20     100
2001   21     1
2002   21     2

SO AT 00 UTC ON 1ST JANUARY 2001, THE GRIB CENTURY WILL CHANGE FROM 20
TO 21, AND THE GRIB AND BUFR YEAR WILL CHANGE FROM 100 TO 1. /
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