=======================================================================
VNP14A1 V1.0.2 Daily L3
-----------------------
Suomi NPP HDF5 File Specification
Version: V1.0.2
Revision: 0
Date: 18 July 2018
ESDT: VNP14A1
Name: S-NPP VIIRS 1-km Level 3 Daily Gridded Active Fire
Level: 3
Process ID: NPP_PR14A1
ESDT: VNP14A1
Points of Contact:
Louis Giglio (Principal Investigator)
University of Maryland, Department of Geographical Sciences
lgiglio@umd.edu
(301) 405-0064
Wilfrid Schroeder (Co-Investigator)
National Oceanic and Atmospheric Administration (NOAA)
National Environmental Satellite, Data, and Information Service (NESDIS)
wilfrid.schroeder@noaa.gov
=======================================================================
Product Identifier: VNP14A1
Description: VIIRS daily 750m Active Fire (AF)
Contents:
SDS names:
FireMask
QA
MaxFRP
sample
Global Metadata:
StructMetadata.0
HDFEOS5Version
*Start Global Attributes ===================================================
Name Type Num_Val Source Value
---- ---- ------- ------ -----
InputPointer STRING length SIPS Variable
RangeBeginningTime STRING length SIPS Variable
PGE_StartTime STRING length SIPS Variable
PGE_EndTime STRING length SIPS Variable
LSIPS_AlgorithmVersion STRING length SIPS Variable
RangeEndingTime STRING length SIPS Variable
ProductionTime STRING length SIPS Variable
StartTime STRING length SIPS Variable
EndTime STRING length SIPS Variable
LocalGranuleID STRING length SIPS Variable
InstrumentShortname STRING length SIPS "VIIRS"
GRingLongitude FLOAT64 4 SIPS Variable
GRingLatitude FLOAT64 4 SIPS Variable
RangeEndingDate STRING length SIPS Variable
Platform_Short_Name STRING 3 SIPS "NPP"
TileID STRING length SIPS Variable
RangeBeginningDate STRING length SIPS Variable
ProxyDataType STRING length SIPS "Operational Data"
VersionID STRING length SIPS Variable
ProcessingEnvironment STRING length SIPS Variable
AlgorithmType STRING length SIPS Variable
HORIZONTALTILENUMBER STRING 2 SIPS Variable
VERTICALTILENUMBER STRING 2 SIPS Variable
LongName STRING length SIPS "VIIRS/NPP Level 3 Daily Gridded Active Fire 1 km"
ShortName STRING 7 SIPS "VNP14A1"
PGE_Name STRING length SIPS "PGE549"
PGEVersion STRING 5 SIPS Variable
SatelliteInstrument STRING length SIPS "NPP_OPS"
identifier_product_doi STRING length SIPS "10.5067/VIIRS/VNP14A1.001"
identifier_product_doi_authority STRING length SIPS "http://dx.doi.org"
Note: The following file-level attributes are stored in the group
HDFEOS/ADDITIONAL/FILE_ATTRIBUTES:
Name Type Num_Val Source Value
---- ---- ------- ------ -----
VNP14GD_input_file STRING length PGE Variable
VNP14GD_input_file STRING length PGE Variable
tile STRING 6 PGE Variable
InstrumentShortname STRING 5 PGE "VIIRS"
ShortName STRING 7 PGE "VNP14A1"
CodeVersion STRING 5 PGE Variable
TileID STRING 8 PGE Variable
FireCells UINT32 1 PGE Variable
NorthBoundingCoord FLOAT64 1 PGE Variable
SouthBoundingCoord FLOAT64 1 PGE Variable
EastBoundingCoord FLOAT64 1 PGE Variable
WestBoundingCoord FLOAT64 1 PGE Variable
*End Global Attributes ===================================================
*Begin StructMetadata.0 ==================================================
GROUP=SwathStructure
END_GROUP=SwathStructure
GROUP=GridStructure
GROUP=GRID_1
GridName="VNP14A1_Grid"
XDim=1200
YDim=1200
UpperLeftPointMtrs=(18903158.834352,-1111950.519672)
LowerRightMtrs=(20015109.354019,-2223901.039339)
Projection=HE5_GCTP_SNSOID
ProjParams=(6371007.181000,0,0,0,0,0,0,0,0,0,0,0,0)
SphereCode=-1
GridOrigin=HE5_HDFE_GD_UL
GROUP=Dimension
OBJECT=Dimension_1
DimensionName="YDim:MOD_Grid_500m"
Size=1200
END_OBJECT=Dimension_1
OBJECT=Dimension_2
DimensionName="XDim:MOD_Grid_500m"
Size=1200
END_OBJECT=Dimension_2
END_GROUP=Dimension
GROUP=DataField
OBJECT=DataField_1
DataFieldName="FireMask"
DataType=H5T_NATIVE_UCHAR
DimList=("YDim","XDim")
MaxdimList=("YDim","XDim")
CompressionType=HE5_HDFE_COMP_DEFLATE
DeflateLevel=8
END_OBJECT=DataField_1
OBJECT=DataField_2
DataFieldName="QA"
DataType=H5T_NATIVE_UCHAR
DimList=("YDim","XDim")
MaxdimList=("YDim","XDim")
CompressionType=HE5_HDFE_COMP_DEFLATE
DeflateLevel=8
END_OBJECT=DataField_2
OBJECT=DataField_3
DataFieldName="MaxFRP"
DataType=H5T_NATIVE_INT
DimList=("YDim","XDim")
MaxdimList=("YDim","XDim")
CompressionType=HE5_HDFE_COMP_DEFLATE
DeflateLevel=8
END_OBJECT=DataField_3
OBJECT=DataField_4
DataFieldName="sample"
DataType=H5T_NATIVE_SHORT
DimList=("YDim","XDim")
MaxdimList=("YDim","XDim")
CompressionType=HE5_HDFE_COMP_DEFLATE
DeflateLevel=8
END_OBJECT=DataField_4
END_GROUP=DataField
GROUP=MergedFields
END_GROUP=MergedFields
END_GROUP=GRID_1
END_GROUP=GridStructure
GROUP=PointStructure
END_GROUP=PointStructure
GROUP=ZaStructure
END_GROUP=ZaStructure
END
Note: UpperLeftPointMtrs and LowerRightMtrs entries will vary by tile.
*End StructMetadata.0 ====================================================
*Begin SDS Definitions ===================================================
SDS Name: FireMask
Description: VIIRS daily 750m Fire Mask
Number Type: UINT8
Rank: 2
Dimension Sizes: 1200, 1200
Dimension Names:
Dimension0: "YDim:MOD_Grid_500m"
Dimension1: "XDim:MOD_Grid_500m"
SDS Attributes:
Name Type Num_Val Source Value
---- ----- ------- ------ -----
valid_range UINT8 2 PGE 0, 9
legend STRING length PGE "Classes:..."
long_name STRING length PGE "fire mask"
Value Description
----- -----------
0 missing input data
1 not processed (trim)
2 not processed (obsolete)
3 non-fire water
4 cloud
5 non-fire land
6 unknown
7 fire (low confidence)
8 fire (nominal confidence)
9 fire (high confidence)
===================================================
SDS Name: MaxFRP
Description: VIIRS daily 750m Max Fire Radiation Power (FRP)
Number Type: INT32
Rank: 2
Dimension Sizes: 1200, 1200
Dimension Names:
Dimension0: "YDim:MOD_Grid_500m"
Dimension1: "XDim:MOD_Grid_500m"
SDS Attributes:
Name Type Num_Val Source Value
---- ----- ------- ------ -----
_FillValue INT32 1 PGE 0
units STRING 2 PGE "MW"
scale_factor FLOAT32 1 PGE 0.1
long_name STRING length PGE "maximum fire radiative power"
===================================================
SDS Name: QA
Description: VIIRS daily 750m QA
Number Type: UINT8
Rank: 2
Dimension Sizes: 1200, 1200
Dimension Names:
Dimension0: "YDim:MOD_Grid_500m"
Dimension1: "XDim:MOD_Grid_500m"
SDS Attributes:
Name Type Num_Val Source Value
---- ----- ------- ------ -----
units STRING 9 PGE "bit field"
valid_range UINT8 2 PGE 0, 6
legend STRING length PGE "Bits: 0-1..."
long_name STRING length PGE "quality assurance flags"
Bit Description
--- -----------
0-1 land/water state (00=water, 01=coast, 10=land, 11=missing data)
2 day/night flag (0=night, 1=day)
===================================================
SDS Name: sample
Description: VIIRS daily 750m sample
Number Type: INT16
Rank: 2
Dimension Sizes: 1200, 1200
Dimension Names:
Dimension0: "YDim:MOD_Grid_500m"
Dimension1: "XDim:MOD_Grid_500m"
SDS Attributes:
Name Type Num_Val Source Value
---- ----- ------- ------ -----
_FillValue INT16 1 PGE -1
valid_range INT16 2 PGE 0, 3199
long_name STRING length PGE "sample number within swath"
===================================================