KSEC1 element Contents GRIB octet Recommended GRIB_API keys Coded GRIB_API keys Comments

37
ECMWF local GRIB use definition identifier.
6 = Surface temperature fields made from SST and SSMI data with first-guess
values inserted on land points.
41 localDefinitionNumber localDefinitionNumber

38 Class 42 class marsClass

39 Type 43 type
marsType

40 Stream 44-45 stream
marsStream

41
Version number or experiment identifier.
(4 ASCII characters, right justified)
46-49 expver experimentVersionNumber

42 Zero. 50

43 Zero. 51

44 Date of SST field used; YYMMDD 52-54 dateSSTFieldUsed
dateSSTFieldUsed

45
Type of SST field used:
0 = climatology
1 = 1/1 degree SST data
2 = 2/2 degree sat data
55 typeOfSSTFieldUsed
typeOfSSTFieldUsed

46 Count of ICE fields used (N, say) 56 countOfICEFieldsUsed
countOfICEFieldsUsed

47
Date of first ICE field used;
YYMMDD = zero if missing.
57-59 dateOfIceFieldUsed[1]
dateOfIceFieldUsed[1]

48 First day satellite number (ICE data) 60 satelliteNumber[1]
satelliteNumber[1]

49
Date of second ICE field used;
YYMMDD = zero if missing.
61-63 dateOfIceFieldUsed[2] dateOfIceFieldUsed[2]

50 Second day satellite number (ICE data) 64 satelliteNumber[2] satelliteNumber[2]

51
Date of third ICE field used;
YYMMDD = zero if missing.
65-67 dateOfIceFieldUsed[3] dateOfIceFieldUsed[3]

52 Third day satellite number (ICE data). 68 satelliteNumber[3] satelliteNumber[3]

... ... -

45 + (N*2)
Date of Nth field used;
YYMMDD = zero if missing.
56 + N*4 dateOfIceFieldUsed[countOfICEFieldsUsed] dateOfIceFieldUsed[countOfICEFieldsUsed]

46 + (N*2) Nth day satellite number (ICE data). 57 + N*4 satelliteNumber[countOfICEFieldsUsed] satelliteNumber[countOfICEFieldsUsed]

KSEC1 element	Contents	GRIB octet	Recommended GRIB_API keys	Coded GRIB_API keys
37	ECMWF local GRIB use definition identifier. 6 = Surface temperature fields made from SST and SSMI data with first-guess values inserted on land points.	41	localDefinitionNumber	localDefinitionNumber
38	Class	42	class	marsClass
39	Type	43	type	marsType
40	Stream	44-45	stream	marsStream
41	Version number or experiment identifier. (4 ASCII characters, right justified)	46-49	expver	experimentVersionNumber
42	Zero.	50
43	Zero.	51
44	Date of SST field used; YYMMDD	52-54	dateSSTFieldUsed	dateSSTFieldUsed
45	Type of SST field used: 0 = climatology 1 = 1/1 degree SST data 2 = 2/2 degree sat data	55	typeOfSSTFieldUsed	typeOfSSTFieldUsed
46	Count of ICE fields used (N, say)	56	countOfICEFieldsUsed	countOfICEFieldsUsed
47	Date of first ICE field used; YYMMDD = zero if missing.	57-59	dateOfIceFieldUsed[1]	dateOfIceFieldUsed[1]
48	First day satellite number (ICE data)	60	satelliteNumber[1]	satelliteNumber[1]
49	Date of second ICE field used; YYMMDD = zero if missing.	61-63	dateOfIceFieldUsed[2]	dateOfIceFieldUsed[2]
50	Second day satellite number (ICE data)	64	satelliteNumber[2]	satelliteNumber[2]
51	Date of third ICE field used; YYMMDD = zero if missing.	65-67	dateOfIceFieldUsed[3]	dateOfIceFieldUsed[3]
52	Third day satellite number (ICE data).	68	satelliteNumber[3]	satelliteNumber[3]
...	...	-
45 + (N*2)	Date of Nth field used; YYMMDD = zero if missing.	56 + N*4	dateOfIceFieldUsed[countOfICEFieldsUsed]	dateOfIceFieldUsed[countOfICEFieldsUsed]
46 + (N*2)	Nth day satellite number (ICE data).	57 + N*4	satelliteNumber[countOfICEFieldsUsed]	satelliteNumber[countOfICEFieldsUsed]