======================================================================= VNP14IMG V2.5.4 Six Minute 375m L2 Swath I-Band Active Fire -------------------- Suomi NPP HDF5 File Specification Version: V1.0.6 Revision: 0 Date: 25 January 2019 ESDT: VNP14IMG Name: VIIRS Six Minute 375m Active Fire (AF) Level: 2 Process ID: NPP_PR14IMG ESDT: VNP14IMG Points of Contact: Louis Giglio (Principal Investigator) University of Maryland, Department of Geographical Sciences lgiglio@umd.edu (301) 405-0064 Charlene Dimiceli University of Maryland, Department of Geographical Sciences cdimicel@umd.edu (301) 405-9410 Wilfrid Schroeder (Collaborator) University of Maryland, NOAA/NESDIS wilfrid.schroeder@noaa.gov ======================================================================= Product Identifier: VNP14IMG Description: VIIRS Six Minute Active Fire L2 Swath Contents: SDS names: fire mask algorithm QA FP_AdjCloud FP_AdjWater FP_MAD_DT FP_MAD_T4 FP_MAD_T5 FP_MeanDT FP_MeanRad13 FP_MeanT4 FP_MeanT5 FP_Rad13 FP_SolAzAng FP_SolZenAng FP_T4 FP_T5 FP_ViewAzAng FP_ViewZenAng FP_WinSize FP_confidence FP_day FP_latitude FP_line FP_longitude FP_power FP_sample Global Metadata: *Start Global Attributes =================================================== Name: Type: Num_Val: Source: Value: AlgorithmType STRING length STIG OPS AlgorithmVersion STRING length STIG Variable CloudPix INTEGER 1 PGE Variable Conventions STRING length STIG? "CF-1.6" Day/Night/Both STRING length PGE Variable DayNightFlag STRING length PGE Variable DayPix INTEGER 1 PGE Variable EastBoundingCoordinate FLOAT 1 STIG Variable EndTime DATETIME length PGE Variable ExecutableCreationDate DATETIME length PGE Variable ExecutableCreationTime DATETIME length PGE Variable FirePix INTEGER 1 PGE Variable GRingPointLatitude DOUBLE 1 PGE Variable GRingPointLongitude DOUBLE 1 PGE Variable GlintPix INTEGER 1 PGE Variable IMFTS STRING length PGE Variable InputPointer STRING length PGE Variable LandPix INTEGER 1 PGE Variable LocalGranuleID STRING length PGE Variable LongName STRING length PGE "VIIRS/NPP Active Fires 6-Min L2 Swath 375m" MissingPix INTEGER 1 PGE Variable NightPix INTEGER 1 PGE Variable NorthBoundingCoordinate FLOAT 1 PGE Variable PGEVersion STRING length PGE Variable PGE_EndTime DATETIME length PGE Variable PGE_Name STRING length PGE Variable PGE_StartTime DATETIME length PGE Variable ProcessVersionNumber STRING length PGE Variable ProcessingCenter STRING length PGE "MODAPS-NASA" ProcessingEnvironment STRING length PGE Variable ProductionTime STRING length PGE Variable QSLWMIP STRING length PGE Variable RangeBeginningDate DATETIME length PGE Variable RangeBeginningTime DATETIME length PGE Variable RangeEndingDate DATETIME length PGE Variable RangeEndingTime DATETIME length PGE Variable Satellite STRING length PGE "NPP" SatelliteInstrument STRING length PGE "NPP_OPS" ShortName STRING length PGE "VNP14IMG" SouthBoundingCoordinate FLOAT length PGE Variable StartTime STRING length PGE Variable SystemID STRING length PGE Variable Unagg_GRingLatitude STRING length PGE Variable Unagg_GRingLongitude STRING length PGE Variable VCDGIPS STRING length PGE Variable VMAES STRING length PGE Variable VersionID STRING length PGE Variable WaterPix INTEGER length PGE Variable WestBoundingCoordinate FLOAT length PGE Variable cdm_data_type STRING length PGE "swath" creator_email STRING length PGE "modis-ops@lists.nasa.gov" creator_name STRING length PGE "VIIRS Land SIPS Processing Group" creator_url STRING length PGE "http://ladsweb.nascom.nasa.gov" identifer_product_doi STRING length PGE Variable identifer_product_doi_authority STRING length PGE "http://dx.doi.org" institution STRING length PGE "NASA Goddard Space Flight Center" keywords_vocabulary STRING length PGE "NASA Global Change Master Directory (GCMD) Science Keywords" license STRING length PGE "http://science.nasa.gov/earth-science/earth-science-data/data-information-policy/" naming_authority STRING length PGE "gov.nasa.gsfc.VIIRSland" processing_level STRING length PGE "Level 2" project STRING length PGE "VIIRS Land SIPS Snow Cover Project"?? publisher_email STRING length PGE "modis-ops@lists.nasa.gov" publisher_name STRING length PGE "LAADS" publisher_url STRING length PGE "http://ladsweb.nascom.nasa.gov" stdname_vocabulary STRING length PGE "NetCDF Climate and Forecast (CF) Metadata Convention" title STRING length PGE "VIIRS 375m Active Fire Data" *End Global Attributes =================================================== *Begin SDS Definitions =================================================== SDS Name: fire mask Description: VIIRS Six Minute 375m Fire Mask Number Type: UINT8 Rank: 2 Dimension Sizes: Variable, 6400 Dimension Names: Dimension0: "" Dimension1: "" SDS Attributes: legend STRING length PGE "Classes: 0 not processed (non-zero QF) 1 bowtie 2 glint 3 water 4 clouds 5 clear land 6 unclassified fire pixel 7 low confidence fire pixel 8 nominal confidence fire pixel 9 high confidence fire pixel" =================================================== SDS Name: algorithm QA Description: VIIRS Six Minute 375m Algorithm QA Number Type: UINT32 Rank: 2 Dimension Sizes: Variable, 6400 Dimension Names: Dimension0: "" Dimension1: "" SDS Attributes: units STRING length PGE "bit field" =================================================== SDS Name: FP_AdjCloud Description: Number of Cloud Pixels Adjacent to Fire Pixel Number Type: UINT16 Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "number of adjacent cloud pixels" =================================================== SDS Name: FP_AdjWater Description: Number of Water Pixels Adjacent to Fire Pixel Number Type: UINT16 Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "number of adjacent water pixels" =================================================== SDS Name: FP_MAD_DT Description: Background Brightness Temperature Difference Mean Absolute Deviation of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "background brightness temperature difference mean absolute deviation" units STRING length PGE "kelvins" =================================================== SDS Name: FP_MAD_T4 Description: Background I04 Brightness Temperature Mean Absolute Deviation of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "background I04 brightness temperature mean absolute deviation" units STRING length PGE "kelvins" =================================================== SDS Name: FP_MAD_T5 Description: Background I05 Brightness Temperature Mean Absolute Deviation of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "background I05 brightness temperature mean absolute deviation" units STRING length PGE "kelvins" =================================================== SDS Name: FP_MeanDT Description: Mean Background Brightness Temperature Difference of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "mean background brightness temperature difference" units STRING length PGE "kelvins" =================================================== SDS Name: FP_MeanRad13 Description: M13 Background Radiance of Background of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "M13 background radiance of background" units STRING length PGE "W/(m^2*sr*μm)" =================================================== SDS Name: FP_MeanT4 Description: I04 brightness Temperature of Background of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "I04 brightness temperature of background" units STRING length PGE "kelvins" =================================================== SDS Name: FP_MeanT5 Description: I04 Brightness Temperature of Background of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "I05 brightness temperature of background" units STRING length PGE "kelvins" =================================================== SDS Name: FP_Rad13 Description: M13 Radiance for Each Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "M13 radiance of fire pixel" units STRING length PGE "W/(m^2*sr*μm)" =================================================== SDS Name: FP_SolAzAng Description: Solar Azimuth Angle of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" Dimension1: "" SDS Attributes: long_name STRING length PGE "solar azimuth angle of fire pixel" units STRING length PGE "degrees" =================================================== SDS Name: FP_SolZenAng Description: Solar Zenith Angle of Fire Pixel of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "solar zenith angle of fire pixel" units STRING length PGE "degrees" =================================================== SDS Name: FP_T4 Description: I04 Brightness Temperature of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "I04 brightness temperature of fire pixel" units STRING length PGE "degrees" =================================================== SDS Name: FP_T5 Description: I05 Brightness Temperature of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "I05 brightness temperature of fire pixel" units STRING length PGE "degrees" =================================================== SDS Name: FP_ViewAzAng Description: Solar Azimuth Angle of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "view zenith angle of fire pixel" units STRING length PGE "degrees" =================================================== SDS Name: FP_ViewZenAng Description: Solar Zenith Angle of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "view zenith angle of fire pixel" units STRING length PGE "degrees" =================================================== SDS Name: FP_WinSize Description: Background Window Size Number Type: UINT16 Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "background window size" =================================================== SDS Name: FP_confidence Description: Detection Confidence Number Type: UINT8 Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "detection confidence" =================================================== SDS Name: FP_day Description: Day Flag for Fire Pixel Number Type: UINT8 Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "day flag for fire pixel" =================================================== SDS Name: FP_latitude Description: Latitude of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "latitude of fire pixel" =================================================== SDS Name: FP_line Description: Granule Line of Fire Pixel Number Type: UINT16 Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "granule line of fire pixel" =================================================== SDS Name: FP_longitude Description: Longitude of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "longitude of fire pixel" =================================================== SDS Name: FP_power Description: Fire Radiative Power of Fire Pixel Number Type: FLOAT Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "fire radiative power" units STRING length PGE "MW" =================================================== SDS Name: FP_sample Description: Granule Sample of Fire Pixel Number Type: UINT16 Rank: 1 Dimension Sizes: Variable Dimension Names: Dimension0: "" SDS Attributes: long_name STRING length PGE "granule sample of fire pixel" ===================================================