Shortname: OMCLDRR Longname: OMI/Aura Cloud Pressure and Fraction (Raman Scattering) 1-Orbit L2 Swath 13x24km PSF Version: 1.9.1 Date: 09 August 2019 Author(s): Peter Leonard (SSAI), Alexander Vassilkov (SSAI), and Mike Linda (SAIC) PGE Version: 1.9.1 Lead Algorithm Scientist: Joanna Joiner (NASA/GSFC) Other Algorithm Scientists: Alexander Vassilkov (SSAI) PGE Developer: Alexander Vassilkov (SSAI) Description: > This document specifies the product format for the OMCLDRR Level 2 PGE, that derives cloud pressure from rotational Raman scattering in the atmosphere. The product is stored as one HDF-EOS 5 swath file for each granule (i.e., one orbit) of OMI Level 1B data, and has a size range of 4 to 15 Mb. Global Metadata: - Metadata Name: AuthorAffiliation Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: PCF Description: Actual is "NASA/GSFC". - Metadata Name: AuthorName Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: PCF Description: Actual is "U.S. OMI Science Team". - Metadata Name: GranuleDay Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 1 to 31 Data Source: PGE Description: The day of the month at the start of the granule. - Metadata Name: GranuleMonth Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 1 to 12 Data Source: PGE Description: The month at the start of the granule. - Metadata Name: GranuleYear Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 2003 to 2099 Data Source: PGE Description: The (four-digit) year at the start of the granule. - Metadata Name: HDFEOSVersion Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Automatically set by HDF-EOS. Data Source: HE Description: Actual is "HDFEOS_5.1.5". - Metadata Name: InputVersions Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: PGE Description: > A list of every ESDT (including version) whose product was used as input for the processing. - Metadata Name: InstrumentName Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Valids are "HIRDLS", "MLS", "OMI" and "TES". Data Source: PCF Description: Actual is "OMI" (see Section 6.1 of Reference 2). - Metadata Name: OrbitData Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Valids are "DEFINITIVE" and "PREDICTED". Data Source: L1B Description: > Indicates whether orbit data used by the L1B processor is definitive or predicted (not implemented yet because of no OrbitData in synthetic input data). - Metadata Name: PGEVERSION Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Range is "0.0.0" to "9.9.99". Data Source: PCF Description: Actual is "1.9.0" (see Appendix K of Reference 3). - Metadata Name: ProcessingCenter Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: PCF Description: Actual is "OMIDAPS". - Metadata Name: ProcessingHost Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: PCF Description: > The output from executing the Unix "uname -a" command on the processing machine. - Metadata Name: ProcessLevel Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Valids are "1b", "2" and "3". Data Source: PCF Description: Actual is "2". - Metadata Name: TAI93At0zOfGranule Mandatory: T Data Type: HE5T_NATIVE_DOUBLE Number of Values: 1 Range or Valids: 0.0d+00 to 1.0d+30 Data Source: PGE Description: > The TAI93 time at 0z of the granule (see Section 6.1 of Reference 2). Swath Metadata: - Metadata Name: NumTimes Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of "scan" lines in the swath. - Metadata Name: NumTimesSmallPixel Mandatory: T Data Type: HE5T_NATIVE_INT Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of small pixel "scan" lines in the swath. - Metadata Name: EarthSunDistance Mandatory: T Data Type: HE5T_NATIVE_FLOAT Number of Values: 1 Range or Valids: 1.0E+11 to 2.0E+11 Data Source: L1B Description: The Earth to Sun distance in meters. - Metadata Name: SwathName Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: Valid is "Cloud Product". Data Source: PGE Description: Actual is "Cloud Product". - Metadata Name: VerticalCoordinate Mandatory: T Data Type: HE5T_NATIVE_CHAR Number of Values: 1 Range or Valids: > Valids are "Pressure", "Altitude", "Potential Temperature" and "Total Column". Data Source: PGE Description: > Actual is "Total Column" (see Section 6.2 of Reference 2). Swath Dimensions: - Dimension Name: nTimes Data Type: HE5T_NATIVE_INT Dimension Type: FIXED Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of "scan" lines in the swath. - Dimension Name: nWavel Data Type: HE5T_NATIVE_INT Dimension Type: FIXED Number of Values: 1 Range or Valids: 1 to 500 Data Source: PGE Description: The number of wavelengths per ground pixel. - Dimension Name: nXtrack Data Type: HE5T_NATIVE_INT Dimension Type: FIXED Number of Values: 1 Range or Valids: 1 to 60 Data Source: L1B Description: The number of ground pixels per "scan" line. Geolocation Fields: - Field Name: GroundPixelQualityFlags Data Type: HE5T_NATIVE_UINT16 Dimensions: nXtrack,nTimes Range or Valids: Not meaningful. Missing Value: 65535 Units: NoUnits Data Source: L1B Title: "Ground Pixel Quality Flags" Unique Field Definition: OMI-Specific Description: > Bits 0 to 3 together contain the land/water flags: 0 - shallow ocean 1 - land 2 - shallow inland water 3 - ocean coastline/lake shoreline 4 - ephemeral (intermittent) water 5 - deep inland water 6 - continental shelf ocean 7 - deep ocean 8-14 - not used 15 - error flag for land/water Bits 4 to 6 are flags that are set to 0 for FALSE, or 1 for TRUE: Bit 4 - sun glint possibility flag Bit 5 - solar eclipse possibility flag Bit 6 - geolocation error flag Bit 7 is reserved for future use (currently set to 0). Bits 8 to 14 together contain the snow/ice flags (based on NISE): 0 - snow-free land 1-100 - sea ice concentration (percent) 101 - permanent ice (Greenland, Antarctica) 102 - not used 103 - dry snow 104 - ocean (NISE-255) 105-123 - reserved for future use 124 - mixed pixels at coastline (NISE-252) 125 - suspect ice value (NISE-253) 126 - corners undefined (NISE-254) 127 - error Bit 15 - NISE nearest neighbor filling flag. (See Section 6.2 of Reference 4 for more details.) - Field Name: Latitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is -90.0 to 90.0. Missing Value: -9999.0 Units: deg Data Source: L1B Title: "Latitude" Unique Field Definition: OMI-Specific Description: > The geodetic latitude (in deg) at the center of the ground pixel. - Field Name: Longitude Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is -180.0 to 180.0. Missing Value: -9999.0 Units: deg Data Source: L1B Title: "Longitude" Unique Field Definition: OMI-Specific Description: > The geodetic longitude (in deg) at the center of the ground pixel. - Field Name: RelativeAzimuthAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: Range is 0.0 to 180.0. Missing Value: -9999.0 Units: deg Data Source: L1B Title: "Relative Azimuth Angle" Unique Field Definition: OMI-Specific Description: > The relative (sun + 180 - view) azimuth angle (in deg) at the center of the ground pixel. Absolute values of the azimuth angle are given. - Field Name: SolarZenithAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 180.0 Missing Value: -9999.0 Units: deg Data Source: L1B Title: "Solar Zenith Angle" Unique Field Definition: OMI-Specific Description: > The solar zenith angle (in deg) at the center of the ground pixel. - Field Name: TerrainHeight Data Type: HE5T_NATIVE_INT Dimensions: nXtrack,nTimes Range or Valids: Range is -100 to 10000. Missing Value: 65535 Units: m Data Source: L1B Title: "Terrain Height" Unique Field Definition: Aura-Shared Description: > The terrain height (in m) at the center of the ground pixel (from OMI Level 1B file). - Field Name: Time Data Type: HE5T_NATIVE_DOUBLE Dimensions: nTimes Range or Valids: 0.0d+00 to 1.0d+30 Missing Value: -9999.0 Units: s Data Source: L1B Title: "Time at Start of Scan (s, TAI93)" Unique Field Definition: Aura-Shared Description: > The TAI93 time (in s) at the start of the "scan". - Field Name: ViewingZenithAngle Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Range or Valids: 0.0 to 90.0 Missing Value: -9999.0 Units: deg Data Source: L1B Title: "Viewing Zenith Angle" Unique Field Definition: OMI-Specific Description: > The viewing zenith angle (in deg) at the center of the ground pixel. - Field Name: XTrackQualityFlags Data Type: HE5T_NATIVE_UINT8 Dimensions: nXtrack,nTimes Range or Valids: Not meaningful. Missing Value: 255 Units: NoUnits Data Source: L1B Title: "Cross Track Quality Flags" Unique Field Definition: OMI-Specific Description: > Bits 0 to 2 are combined to a single value in the range 0-7. value 0 - not affected by row anomaly, pixel can be used 1 - affected, not corrected, do not use pixel 2 - slightly affected, not corrected, use with caution 3 - affected, corrected not optimally, use with caution 4 - affected, corrected optimally, pixel can be used 5,6 - not used 7 - error during correction, do not use pixel 3 - reserved for future use 4 - pixel may be affected by wavelength shift 5 - pixel may be affected by blockage 6 - pixel may be affected by stray sunlight 7 - pixel may be affected by stray earthshine Data Fields: - Field Name: Chlorophyll Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: 0.0 to 50.0 Missing Value: -9999.0 Units: mg/m3 Data Source: PGE Title: "Chlorophyll Concentration" Unique Field Definition: OMI-Specific Description: > Retrieved chlorophyll concentration. - Field Name: CloudFractionforO3 Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: 0.0 to 1.0 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Cloud Fraction for O3" Unique Field Definition: OMI-Specific Description: > The cloud fraction associated with the ground pixel. - Field Name: CloudMask Data Type: HE5T_NATIVE_UINT16 Dimensions: nXtrack,nTimes Valid Range: 0 to 1 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Cloud Mask" Unique Field Definition: OMI-Specific Description: > The cloud mask (0=clear; 1=cloudy) associated with the ground pixel. - Field Name: CloudPressureforO3 Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: 0.0 to 1200.0 Missing Value: -9999.0 Units: hPa Data Source: PGE Title: "Cloud Pressure for O3" Unique Field Definition: OMI-Specific Description: > The effective cloud pressure (in hPa) associated with the ground pixel. - Field Name: CloudPressureforO3_uncorrected Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: 0.0 to 1200.0 Missing Value: -9999.0 Units: hPa Data Source: PGE Title: "Cloud Pressure for O3" Unique Field Definition: OMI-Specific Description: > The effective cloud pressure (in hPa) before applying the cross-track bias correction. - Field Name: Convergence_factor Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: Range is 0.0 to 10.0 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Convergence Factor" Unique Field Definition: OMI-Specific Description: > The chi-squared factor characterizing the fitting procedure. - Field Name: Filling-In Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: Range is 0.0 to 0.10 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Effective Filling-in" Unique Field Definition: OMI-Specific Description: > The effective filling-in at 352.65 nm. - Field Name: MeasurementQualityFlags Data Type: HE5T_NATIVE_UINT16 Dimensions: nTimes Valid Range: Not meaningful Missing Value: 65535 Units: NoUnits Data Source: L1B Title: "Measurement Quality Flags" Unique Field Definition: OMI-Specific Description: > Bits contain several output error and warning flags: 0 - missing data 1 - radiance measurement error flag 2 - radiance measurement warning flag 3 - rebinned radiance measurement flag 4 - South Atlantic anomaly flag 5 - irradiance measurement warning flag 6-15 - not used yet - Field Name: ProcessingQualityFlagsforO3 Data Type: HE5T_NATIVE_UINT16 Dimensions: nXtrack,nTimes Valid Range: Not meaningful Missing Value: 65535 Units: NoUnits Title: "Processing Quality Flags for O3" Unique Field Definition: OMI-Specific Description: > Bits contain several processing quality flags: 0 - failed convergence check 1 - solar zenith angle, lat., lon., out of range (SZA > 88 deg) 2 - cloud pressure less than low range of table 3 - cloud pressure greater than surface pressure 4 - matrix inversion failed 5 - snow/ice (if second byte of GroundPixelQualityFlags >= 50 and <= 130) 6 - reflectivity < 0 or > 1.0 7 - bad radiances detected 8 - aerosol index flag 9 - radiance PixelQuality error 10 - radiance PixelQuality warning 11 - irradiance PixelQuality error 12 - irradiance PixelQuality warning 13 - effective surface pressure retrieved because cloud fraction < 0.05 14 - missing data 15 - geolocation error - Field Name: RadiativeCloudFraction Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: 0.0 to 1.0 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Radiative Cloud Fraction" Unique Field Definition: OMI-Specific Description: > The radiative cloud fraction is f_eff*I_cld/I_obs, where f_eff is the effective cloud fraction, I_cld is the cloud radiance, I_obs is the OMI-measured radiance. - Field Name: Reflectivity Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: 0.0 to 1.0 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Reflectivity" Unique Field Definition: OMI-Specific Description: > The Lambert Equivalent Reflectivity associated with the ground pixel. - Field Name: Residual_bias Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: Range is -1.0 to 1.0 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Residual Bias" Unique Field Definition: OMI-Specific Description: > The residual bias characterizing the fitting procedure. - Field Name: Residual_stddev Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: Range is 0.0 to 1.0 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Residual Standard Deviation" Unique Field Definition: OMI-Specific Description: > The residual standard deviation characterizing the fitting procedure. - Field Name: SmallPixelMean Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: Range is 0.0 to 10.0 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Small Pixel Mean" Unique Field Definition: OMI-Specific Description: > Mean value of small pixels comprising a nominal pixel. - Field Name: SmallPixelStddev Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: Range is 0.0 to 10.0 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Small Pixel Standard Deviation" Unique Field Definition: OMI-Specific Description: > Standard deviation of small pixel radiances in a nominal pixel. - Field Name: SmallPixelnPix Data Type: HE5T_NATIVE_INT Dimensions: nXtrack,nTimes Valid Range: Range is 2 to 5 Missing Value: 65535 Units: NoUnits Data Source: PGE Title: "Small Pixel Number of Pixels" Unique Field Definition: OMI-Specific Description: > Number of small pixels comprising a nominal pixel. - Field Name: SurfaceReflectivity Data Type: HE5T_NATIVE_INT Dimensions: nXtrack,nTimes Valid Range: Range is 0.0 to 1.0 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Surface Reflectivity Climatology TOMS" Unique Field Definition: OMI-Specific Description: > Surface minimum reflectivity climatology at 360 nm from TOMS measurements. - Field Name: TerrainPressure Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: 0.0 to 1200.0 Missing Value: -9999.0 Units: hPa Data Source: PGE Title: "Terrain Pressure" Unique Field Definition: OMI-Specific Description: > The Terrain Pressure (in hPa) associated with the ground pixel. - Field Name: WavelengthShift Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: Range is -1.0 to 1.0 Missing Value: -9999.0 Units: nm Data Source: PGE Title: "Wavelength Shift" Unique Field Definition: OMI-Specific Description: > Wavelength shift in nm. - Field Name: dIdR Data Type: HE5T_NATIVE_FLOAT Dimensions: nXtrack,nTimes Valid Range: Range is -100 to 100 Missing Value: -9999.0 Units: NoUnits Data Source: PGE Title: "Radiance (fractional) refl. sens." Unique Field Definition: OMI-Specific Description: > Partial derivative of normalized radiance with respect to reflectivity Core Metadata: - Metadata Name: AssociatedInstrumentShortName Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: Valid is "OMI". Data Source: MCF Description: Actual is "OMI". - Metadata Name: AssociatedPlatformShortName Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: Valid is "Aura". Data Source: MCF Description: Actual is "Aura". - Metadata Name: AssociatedSensorShortName Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: Valids are "CCD Ultra Violet" and "CCD Visible". Data Source: MCF Description: Actual is "CCD Ultra Violet". - Metadata Name: AutomaticQualityFlag Mandatory: T Data Type: VA64 Number of Values: 1 Range or Valids: Valids are "Passed", "Suspect" and "Failed". Data Source: PGE Description: > A granule-level quality flag that applies generally to the granule and specifically to the parameters at the granule level. - Metadata Name: AutomaticQualityFlagExplanation Mandatory: T Data Type: VA255 Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: PGE Description: > The AutomaticQualityFlag is set to 1) "Passed" if QAPercentHighQualityData >= 80%, 2) "Suspect" if QAPercentHightQualityData >= 20% or if the input L1B file does not have its AutomaticQualityFlag set to "Passed", and 3) "Failed" if QAPercentHighQualityData < 20%. - Metadata Name: DayNightFlag Mandatory: T Data Type: VA5 Number of Values: 1 Range or Valids: Valids are "Day", "Night" and "Both". Data Source: MCF Description: Actual is "Day". - Metadata Name: EquatorCrossingDate Mandatory: T Data Type: D Number of Values: 1 Range or Valids: Range is "2003-01-01" to "2099-12-31". Data Source: L1B Description: > The date of the ascending equator crossing in the granule. - Metadata Name: EquatorCrossingLongitude Mandatory: T Data Type: LF Number of Values: 1 Range or Valids: Range is -1.80d-02 to 1.80d+02. Data Source: L1B Description: > The terrestrial longitude of the ascending equator crossing in the granule. - Metadata Name: EquatorCrossingTime Mandatory: T Data Type: T Number of Values: 1 Range or Valids: Range is "01:00:0.000000" to "01:59:59.999999". Data Source: L1B Description: > The time of the ascending equator crossing in the granule. - Metadata Name: InputPointer Mandatory: T Data Type: VA255 Number of Values: 0 to 10 Range or Valids: > Valid file names, each in double quotes, separated by commas, all surrounded by curved brackets. Data Source: PGE Description: > Example is ("OMI-Aura_L1-OML1BRVG_2002m0630t2354-o21434_v001-2003m0327t181402.he4", "OMI-Aura_L1-OML1BIRR_2002m0630t2307-o21434_v001-2003m0429t155233.he4", "terr_prs.txt", "chl.txt", "oc_raman_omi.dat", "ring_gomi_p_all.dat" ) - Metadata Name: LocalGranuleID Mandatory: T Data Type: VA80 Number of Values: 1 Range or Valids: > "OMI-Aura_L2-OMCLDRR_2003m0101t0000-o00000_v001-2003m0101t000000.he5" to "OMI-Aura_L2-OMCLDRR_2099m1231t2359-o99999_v999-2099m1231t235959.he5" Data Source: PGE Description: > Example is "OMI-Aura_L2-OMCLDRR_2002m0630t2354-o21434_v001-2003m0815t210014.he5" (see Appendix E of Reference 3). - Metadata Name: OperationalQualityFlag Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: > Valids are "Passed", "Failed", "Being Investigated", "Not Investigated", "Inferred Passed", "Inferred Failed" and "Suspect". Data Source: PGE Description: > A granule-level quality flag that applies generally to the granule and specifically to the parameters at the granule level. - Metadata Name: OperationalQualityFlagExplanation Mandatory: T Data Type: VA255 Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: PGE Description: > The criteria for setting the OperationalQualityFlag should be stated here (this Metadata will not appear in the granule). - Metadata Name: OperationMode Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: > Valids are "Calibration", "Diagnostic", "Initialization", "Launch", "Normal", "Roll", "Routine", "Safe", "Solar Calibration", "Standby", "Survival" and "Test". Data Source: PCF Description: Example is "Normal" (not implemented yet). - Metadata Name: OrbitNumber Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 1 to 999999 Data Source: L1B Description: The OMI orbit number. - Metadata Name: ParameterName Mandatory: T Data Type: VA40 Number of Values: 1 Range or Valids: Valid is "Cloud_Pressure". Data Source: PGE Description: > The measured science parameter expressed in the granule. - Metadata Name: PGEVERSION Mandatory: T Data Type: VA10 Number of Values: 1 Range or Valids: Range is "0.0.0" to "9.9.99". Data Source: PCF Description: Actual is "1.9.0" (see Appendix K of Reference 3). - Metadata Name: ProductionDateTime Mandatory: T Data Type: DT Number of Values: 1 Range or Valids: > "2003-01-01T00:00:00.000Z" to "2099-12-31T24:59:59.999Z" Data Source: TK Description: The date and time of the Level 2 processing. - Metadata Name: QAPercentCloudCover Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > The percent of the data in the granule that have cloud cover with cloud fraction greater than 0.02. - Metadata Name: QAPercentMissingData Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > The percent of the data in the granule that are missing. - Metadata Name: QAPercentOutofBoundsData Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 100 Data Source: PGE Description: > The percent of the data in the granule that are out of bounds data. - Metadata Name: RangeBeginningDate Mandatory: T Data Type: D Number of Values: 1 Range or Valids: Range is "2003-01-01" to "2099-12-31". Data Source: L1B Description: The year, month and day when the granule began. - Metadata Name: RangeBeginningTime Mandatory: T Data Type: T Number of Values: 1 Range or Valids: Range is "00:00:00.000000" to "23:59:59.999999". Data Source: L1B Description: > The hour, minute, second and fraction of a second when the granule began. - Metadata Name: RangeEndingDate Mandatory: T Data Type: D Number of Values: 1 Range or Valids: 2003-01-01" to "2099-12-31" Data Source: L1B Description: The year, month and day when the granule ended. - Metadata Name: RangeEndingTime Mandatory: T Data Type: T Number of Values: 1 Range or Valids: Range is "00:00:00.000000" to "23:59:59.999999". Data Source: L1B Description: > The hour, minute, second and fraction of a second when the granule ended. - Metadata Name: ReprocessingActual Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: > Valids are "processed 1 time", "processed 2 times", etc... Data Source: PCF Description: > An indication of what reprocessing has been performed on the granule. - Metadata Name: LocalVersionID Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: > Valids are "RFC1321 MD5 = not yet calculated" and "RFC1321 MD5 = [0-9,a-f]{32}" Data Source: PCF Description: > MD5 fingerprint of the HDF product file. - Metadata Name: ReprocessingPlanned Mandatory: T Data Type: VA45 Number of Values: 1 Range or Valids: > Valids are "no further update anticipated", "further update anticipated" and "further update anticipated using enhanced PGE". Data Source: DP Description: Actual is "further update is anticipated". - Metadata Name: ScienceQualityFlag Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: > Valids are "Passed", "Failed", "Being Investigated", "Not Investigated", "Inferred Passed", "Inferred Failed" and "Suspect". Data Source: DP Description: Actual is "Not Investigated". - Metadata Name: ScienceQualityFlagExplanation Mandatory: T Data Type: VA255 Number of Values: 1 Range or Valids: Not applicable (free format). Data Source: DP Description: > An explanation of the criteria used to set the science quality flag should go here. - Metadata Name: ShortName Mandatory: T Data Type: VA8 Number of Values: 1 Range or Valids: Valid is "OMCLDRR". Data Source: MCF Description: Actual is "OMCLDRR". - Metadata Name: SizeMBECSDataGranule Mandatory: F Data Type: LF Number of Values: 1 Range or Valids: 0.00d+00 to 1.00d+04 Data Source: DSS Description: > The volume of data contained in the granule in Mb (this Metadata will not appear in the granule). - Metadata Name: VersionID Mandatory: T Data Type: SI Number of Values: 1 Range or Valids: 000 to 999 Data Source: MCF Description: Actual is 001 for test and pre-launch. Product Specific Attributes: - Metadata Name: EndBlockNr Mandatory: T Data Type: SI Number of Values: 1 to 500 Range or Valids: 1 to 50 Data Source: L1B Description: The number of the NOSE end block along the track. - Metadata Name: ExpeditedData Mandatory: T Data Type: VA10 Number of Values: 1 Range or Valids: Valids are "TRUE" and "FALSE". Data Source: L1B Description: The indicator for expedited L0 data. - Metadata Name: ExposureTimes Mandatory: T Data Type: F Number of Values: 1 to 256 Range or Valids: 0.0 to 2000.0 Data Source: L1B Description: > An array containing the exposure times in seconds used for the measurements. - Metadata Name: InstrumentConfigurationIDs Mandatory: T Data Type: SI Number of Values: 1 to 256 Range or Valids: 0 to 255 Data Source: L1B Description: > An array containing the instrument configuration identifiers used for the measurements. - Metadata Name: MasterClockPeriods Mandatory: T Data Type: F Number of Values: 1 to 128 Range or Valids: 0.0 to 10.0 Data Source: L1B Description: > An array containing the master clock periods in seconds used for the measurements. - Metadata Name: NrMeasurements Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: > The number of measurements in the granule (per output product). - Metadata Name: NrSpatialZoom Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of measurements in spatial zoom mode. - Metadata Name: NrSpectralZoom Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of measurements in spectral zoom mode. - Metadata Name: NrZoom Mandatory: T Data Type: I Number of Values: 1 Range or Valids: 0 to 9999 Data Source: L1B Description: The number of measurements in zoom modes. - Metadata Name: PathNr Mandatory: T Data Type: I Number of Values: 1 to 500 Range or Valids: 1 to 466 Data Source: L1B Description: Number of the NOSE path within the repeat cycle. - Metadata Name: SolarEclipse Mandatory: T Data Type: VA10 Number of Values: 1 Range or Valids: Valids are "TRUE" and "FALSE". Data Source: L1B Description: > The indicator that during part of the measurements a solar eclipse occurred. - Metadata Name: SouthAtlanticAnomalyCrossing Mandatory: T Data Type: VA10 Number of Values: 1 Range or Valids: Valids are "TRUE" and "FALSE". Data Source: L1B Description: > The indicator that during part of the measurements the spacecraft was in the SAA. - Metadata Name: SpacecraftManeuverFlag Mandatory: T Data Type: VA10 Number of Values: 1 Range or Valids: Valids are "TRUE", "FALSE" and "UNKNOWN". Data Source: L1B Description: > The indicator that during part of the measurements the spacecraft was performing a maneuver. - Metadata Name: StartBlockNr Mandatory: T Data Type: SI Number of Values: 1 to 500 Range or Valids: 1 to 50 Data Source: L1B Description: Number of the NOSE start block along the track. Archived Metadata: - Metadata Name: ESDTDescriptorRevision Mandatory: T Data Type: VA20 Number of Values: 1 Range or Valids: Range is "0.0.0" to "9.9.99". Data Source: MCF Description: > The version of the ESDT descriptor file as determined by ECS. - Metadata Name: LongName Mandatory: T Data Type: VA80 Number of Values: 1 Range or Valids: > Valid is "OMI/Aura Cloud Pressure and Fraction (Raman Scattering) 1-Orbit L2 Swath 13x24km". Data Source: MCF Description: > Actual is "OMI/Aura Cloud Pressure and Fraction (Raman Scattering) 1-Orbit L2 Swath 13x24km" (see Section 7.0 of Reference 2). References: > 1. "OMI Algorithm Theoretical Basis Document, Volume III, Clouds, Aerosols, and Surface UV Irradiance" (OMI-ATBD-VOL3, ATBD-OMI-03, Version 2.0, August 2002) 2. "HDF-EOS Aura File Format Guidelines" (OMI-AURA-DATA-GUIDE, Version 1.3, 5 August 2003) 3. "OMI Science Software Delivery Guide for Version 0.9" (OMI-SSDG-0.9.8, Version 0.9.8, 14 August 2003) 4. "OMI GDPS Input/Output Data Specification (IODS) Volume 2" (OMI-GDPS-IODS-2, SD-OMIE-7200-DS-467, 9 April 2003) 5. "Release 6A Implementation Earth Science Data Model for the ECS Project" (420-TP-022-002, June 2001) (http://edhs1.gsfc.nasa.gov/waisdata/rel6/html/tp4202202.html and http://edhs1.gsfc.nasa.gov/waisdata/rel6/html/tp42022_adds.html) 6. "OMI L2 - L4 Metadata Reference Guide" (3 July 2002) (https://omiwww.gsfc.nasa.gov/mlinda/OMImetadataRefGuide.html)