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INSAT 3D Cloud Properties

NASA LaRC is operationally generating global cloud properties products using different geostationary satellites. This INSAT-3D cloud properties products include Cloud Phase, Optical Depth, Effective Water Radius, Effective Ice Diameter, Liquid Water Path, Ice Water Path, Effective Cloud Temperature, Cloud Top Height, Effective Cloud Height, Cloud Base Height, Cloud Top Pressure, Effective Cloud Pressure, Cloud Base Pressure, Broadband Albedo, Broadband  Longwave Flux, and Cloud Thickness.

 

Data Access

Science Products are available to download without login requirement. Click Here to access the data

Data Version

  • Format : NetCDF (nc4)
  • CDO Version : 1.9.3 , Conventions : CF 1.6

Data Sources

  1. Cloud Properties Products, downloaded from LaRC, NASA

Processing Steps

        https://satcorps.larc.nasa.gov/CERES_algorithms/

References

  1. B. A. Wielicki, B. R. Barkstrom, B. A. Baum, T. P. Charlock, R. N. Green, D. P. Kratz, R. B. Lee, P. Minnis, G. L. Smith, T. Wong, D. F. Young, R. D. Cess, J. A. Coakley, D. A. H. Crommelynck, L. Donner, R. Kandel, M. D. King, A. J. Miller, V. Ramanathan, D. A. Randall, L. L. Stowe, R. M. Welch, "Clouds and the Earth's Radiant Energy System (CERES): Algorithm overview", IEEE Trans. Geosci. Remote Sens., vol. 36, no. 4, pp. 1127-1141, Jul. 1998.
  2. C. Kummerow, W. Barnes, T. Kozu, J. Shine, J. Simpson, "The Tropical Rainfall Measuring Mission system (TRMM) sensor package", J. Atmos. Ocean. Technol., vol. 15, pp. 809-827, 1998
  3. W. L. Barnes, T. S. Pagano, V. V. Salomonson, "Prelaunch characteristics of the moderate resolution imaging spectroradiometer (MODIS) on EOS-AM1", IEEE Trans. Geosci. Remote Sens., vol. 36, no. 4, pp. 1088-1100, Jul. 1998

Derivation Techniques and Algorithm

Minnis, Patrick & Sun-Mack, Szedung & F. Young, David & W. Heck, Patrick & Garber, Donald & Chen, Yan & A Spangenberg, Douglas & Arduini, Robert & Trepte, Qing & Smith Sr, William & Ayers, J & Gibson, Sharon & F. Miller, Walter & Hong, Gang & Chakrapani, Venkatesan & Takano, Yoshihide & Liou, Kuo-Nan & Xie, Yu & Yang, Ping. (2011). CERES edition-2 cloud property retrievals using TRMM VIRS and Terra and Aqua MODIS data-Part I: Algorithms. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING. 49. 10.1109/TGRS.2011.2144601.

Limitations

  • Refer Paper

Known problems with data

  • Data will be available with delay

File Naming Convention

  • Following file naming convention are followed:
  • NetCDF File Name (NetCDFFileName):  3DIMG_DDMMMYYYY_HHMM_L2B_CP_IND_V04.0.nc
  • Parameter Chip File Name  : NetCDFFilename_CloudParamName(4 Char).jpg
  • File Nomenclature Details:
  • SatIdSensorId_AcquisitionDateTime_ProcessingLevel_ProductName_ProductRegion_Version.nc
  • SatId (2 Char) = 3D
  • SensorId ( 3 Char)= IMG (IMAGER sensor)
  • AcquisitionDateTime (14 Char) = DDMMMYYYY_HHMM
  • ProcessingLevel (3 Char) = L2B
  • ProductName (2 Char) = CP (Cloud Properties)
  • ProductRegion ( 3 Char) = IND (Indian Region)
  • Version (5 Char) = V04.0 (Product Version Number)

MetaData

Sr. No Core Metadata Elements Definition
1 Metadata language English
2 Metadata Contact Sazid Mahammad, MRG/EPSA, Space Applications Centre (ISRO), Ahmedabad-380015, India. Email: sazid@sac.isro.gov.in
3 Metadata date May 14, 2018
4 Data Lineage or Quality  Depends on INSAT-3D products, some times some data gaps may be observed
5 Title Cloud Properties Products from INSAT-3D over Indian Peninsula
6 Abstract NASA LaRC is operationally generating global cloud properties products using different geostationary satellites. This INSAT-3D cloud properties products include Cloud Phase, Optical Depth, Effective Water Radius, Effective Ice Diameter, Liquid Water Path, Ice Water Path, Effective Cloud Temperature, Cloud Top Height, Effective Cloud Height, Cloud Base Height, Cloud Top Pressure, Effective Cloud Pressure, Cloud Base Pressure, Broadband Albedo, Broadband  Longwave Flux, and Cloud Thickness.
7 Dataset Contact Sazid Mahammad, MRG/EPSA, Space Applications Centre (ISRO), Ahmedabad-380015, India. Email: sazid@sac.isro.gov.in
8 Update frequency 1 hour
9 Access Rights or Restriction Open Access
10 Spatial Resolution 6 Km (Nominal)
11 Language English
12 Topic Category Atmospheric Science
13 Keywords Cloud Properties, Climate, cloud, cloud remote sensing
14 Date or period From 01-May-2018 onwards
15 Responsible Party EPSA/SAC, ISRO and LaRC, NASA
16 Organization Space Applications Centre (ISRO), Ahmedabad, India and Langley Research Centre (NASA), Hampton, VA, USA
16a Org. role SAC: Generation of chips
LaRC: Generation of Cloud Properties product
16b Individual name Sazid Mahammad, MRG/EPSA, Space Applications Centre (ISRO), Ahmedabad-380015, India. Email: sazid@sac.isro.gov.in
16c Position Scientist/Engineer, MRG/EPSA, SAC (ISRO), Ahmedabad-380015, India. Email: sazid@sac.isro.gov.in
16d Vertical Extent (minimumValue, maximumValue, unitOfMeasure, vertical datum) Cloud top Properties
17 Geographic Extent UL Coordinates: 42.25 N, 52.75 E. UR Coordinates: 42.25 S, 102.25 E.
LL Coordinates: 2.75 N, 52.75 E. LR Coordinates: 2.75 S, 102.25 E
18 Geographic name, geographic Identifier Indian Peninsula
19 Bounding box UL Coordinates: 42.25 N, 52.75 E. UR Coordinates: 42.25 S, 102.25 E.
LL Coordinates: 2.75 N, 52.75 E. LR Coordinates: 2.75 S, 102.25 E

20 Temporal Extent Hourly Product with Given date, time in GMT
21 Access Rights or Restrictions Open Access
22 Distribution Information Online download of data files in NetCDF format and images in jpg format
23 Processing Level Level 2 (Data product derived from INSAT-3D)
24 Reference System Projection: Geographic Latitude,Longitude; Datum: WGS84