gov.noaa.ncdc:C00629 eng; USA utf8 dataset NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact NCEI Contact Information Information for contacts at NCEI. information pointOfContact 2026-04-08T22:16:25 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) (Version Superseded) Hurricane Satellite (HURSAT) from Advanced Very High Resolution Radiometer (AVHRR) and from Microwave (MW) Brightness Temperatures, Version 1 2006-10-30 publication 2011-05 superseded Version 1 NCEI DSI 3641_03 gov.noaa.ncdc:C00629 NOAA National Centers for Environmental Information publisher NOAA National Centers for Environmental Information originator NOAA National Centers for Environmental Information author imageDigital **Please note, this dataset has been superseded by a newer version (see below). Users should not use this version except in rare cases (e.g., when reproducing previous studies that used this version).** The "Global Tropical Cyclone ISCCP B1 Satellite Observations" (TC-B1) data consist of raw satellite observations derived from the ISCCP B1 data centered on historical tropical cyclones (TC). The data derive from the global constellation of geostationary satellites (GOES, GMS and Meteosat series) spanning 1983 through the present. The data are available at 3-hour intervals and are gridded to roughly 8km resolution. The data include infrared window, visible and other channels available from the satellite instruments. Hurricane database (HURDAT) and "best track" information (from the JTWC) were temporally-interpolated to match the satellite data resolution. The satellite data were then gridded to 8km, with grid centers fixed on the tropical cyclone center of circulation. Data include hurricanes from the North Atlantic, Pacific and Indian Ocean Basins. Data are provided in a convenient NetCDF format which is self-documenting and follows standard storage and meta-data conventions. This data set will be updated on an as needed basis. To provide a comprehensive set of satellite data for worldwide tropical cyclone research. The data record was constructed in a collaborative effort between the National Climatic Data Center (NCDC) and James P. Kossin at the Cooperative Institute for Meteorological Satellite Studies (CIMSS) at the University of Wisconsin-Madison. NOAA National Centers for Environmental Information Customer Engagement Branch 1-828-271-4800 1-828-271-4876 151 Patton Avenue Veach-Baley Federal Building, Room 468 Asheville NC 28801-5001 USA ncdc.satorders@noaa.gov https://www.ncei.noaa.gov HTTPS Web Browser NOAA National Centers for Environmental Information (NCEI) NCEI home page with information, data access and contact information. information 8:00 - 6:00 Eastern pointOfContact notPlanned https://data.noaa.gov/docucomp/image/0813ccaf-1cc5-42ab-8c63-4703b818f510 NOAA Logo PNG Earth Science > Spectral/Engineering > Infrared Wavelengths > Brightness Temperature Earth Science > Spectral/Engineering > Infrared Wavelengths > Infrared Imagery Earth Science > Spectral/Engineering > Infrared Wavelengths > Infrared Radiance Earth Science > Spectral/Engineering > Infrared Wavelengths > Thermal Infrared Earth Science > Spectral/Engineering > Visible Wavelengths > Visible Imagery Earth Science > Spectral/Engineering > Visible Wavelengths > Visible Radiance Earth Science > Human Dimensions > Natural Hazards > Tropical Cyclones > Hurricanes Earth Science > Human Dimensions > Natural Hazards > Tropical Cyclones > Typhoons Earth Science > Atmosphere > Weather Events > Rain Storms Earth Science > Atmosphere > Weather Events > Tropical Cyclones Earth Science > Atmosphere > Clouds > Cloud Reflectance Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Top Temperature Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Height Earth Science > Atmosphere > Atmospheric Radiation > Reflectance Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation theme Global Change Master Directory (GCMD) Science Keywords 2018 revision Version 8.6 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords HTTPS Web Browser Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information publisher Geographic Region > Tropics Geographic Region > Mid-Latitude place Global Change Master Directory (GCMD) Location Keywords 2018 revision Version 8.6 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords HTTPS Web Browser Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information publisher Vertical Location > Sea Surface Vertical Location > Land Surface Vertical Location > Stratosphere Vertical Location > Troposphere stratum Global Change Master Directory (GCMD) Location Keywords 2018 revision Version 8.6 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords HTTPS Web Browser Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information publisher DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce DOC/NOAA/NESDIS/NCDC > National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce dataCentre Global Change Master Directory (GCMD) Data Center Keywords 2018 revision Version 8.6 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords HTTPS Web Browser Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information publisher HURSAT_avhrr_v01 HURSAT_mw_v01 theme otherRestrictions Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives. otherRestrictions Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose. otherRestrictions **Please note, this dataset has been superseded by a newer version. Users should not use this version except in rare cases (e.g., when reproducing previous studies that used this version).** NCEI Dataset Landing Page for the Current Version (HURSAT AVHRR) 2011-05 publication doi:10.7289/V5RF5S0T NOAA National Centers for Environmental Information publisher https://doi.org/10.7289/V5RF5S0T HTTPS Landing Page NCEI Dataset Landing Page for the Current Version (HURSAT AVHRR) Landing page for the Current Version (HURSAT AVHRR). information crossReference collection NCEI Dataset Landing Page for the Current Version (HURSAT MW) 2012-07-01 publication doi:10.7289/V50Z716H NOAA National Centers for Environmental Information publisher https://doi.org/10.7289/V50Z716H HTTPS Landing Page NCEI Dataset Landing Page for the Current Version (HURSAT MW) Landing page for the Current Version (HURSAT MW). information crossReference collection DATA DOCUMENTATION FOR DATA SET 3641: Global Tropical Cyclones - ISCCP B1 Satellite Observations 2006-09-30 publication National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce Asheville North Carolina, U.S. publisher National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce originator https://www.ncei.noaa.gov/pub/data/documentlibrary/tddoc/td3641.pdf HTTPS Web Browser Technical documentation on HURSAT-B1, DSI 3641 TD-3641, Documentation on HURSAT-B1 information documentDigital NCDC Dataset Documentation DSI3641 crossReference userGuide eng; USA climatologyMeteorologyAtmosphere Frame Area: 21 Frame Area Units: degrees_latitude -180.0 180.0 -65.0 70.0 1983-07-01 2008-09-25 Entity and Attribute Overview: File storage format: NetCDF version 3 File storage URL: http://www.unidata.ucar.edu/software/netcdf/ File storage convention: COARDS (for TC-B1 data, version 1) File storage convention URL: http://ferret.wrc.noaa.gov/noaa_coop/coop_cdf_profile.html File metadata convention: http://www.unidata.ucar.edu/software/netcdf-java/formats/DataDiscoveryAttConvention.html File naming convention: (Note: All times referenced in the naming convention are to the Universal Time Code, UTC) YyysBbNnn.Yyyn.Mm.Dd.Hhmm.Vv.Sat-Nn.Www.isccp-b1u.ver.nc Where: Yyys = The year the tropical cyclone began (this may be different than Yyyn if the cyclone began near the end of the year). Bb = Basin ID: EP = Eastern Pacific IO = Indian Ocean NA = North Atlantic SH = Southern hemisphere WP = Western Pacific Nnn = Storm ID. If a storm name is available, then this is the first 3 letters of the storm name. Otherwise, this is a zero-filled integer. Yyyn = Year of acquisition of the satellite image Mm = Integer representing the month of the image acquisition 01=January, 02=February, ..., 12=December Dd = Day of month of the image acquisition Hhmm = Time of the satellite acquisition where Hhmm is Hh:mm UTC. The time represents the time the image acquisition began. Since images take at most 28 minutes to acquire, that represents the largest difference in time between the image and this subset of the image. Vv = View zenith angle (degrees) from the satellite to the tropical cyclone center of circulation. Sat-Nn = ISCCP Satellite ID where: GOE = GOES (U.S.A.) MET = Meteosat (Europe) GMS = GMS (Japanese) MTS = MTSAT (Japanese) Www = Interpolated central wind speed. This is interpolated from the 6-hourly BEST track wind speed. isccp-b1utc = file suffix that identifies the data file and the file format ver = file version. Initially, only version 1 (v01) exists, but future versions are forthcoming. nc = file suffix identifying the file as a NetCDF file. Example: 1992SH027.1993.01.01.0300.26.GMS-4.070.isccp-b1utc.v01.nc Means: Year storm began = 1992 Basin = Southern Hemisphere (SH) Storm ID = 027 Image obtained Year = 1993 Image obtained Month = 01 (January) Image obtained Day of Month = 01 Image obtained Time = 0300 = 03:00 UTC Satellite view zenith angle = 26 deg Satellite = GMS-4 Tropical Cyclone Wind Speed = 70 [UNITS??] Dataset id = isccp-b1utc Version = 1 File type = nc (NetCDF file) NETCDF FILE GLOBAL ATTRIBUTES ----------------------------- Note: Information on the Global Attributes can be obtained using the netCDF utility: ncdump The bulk of the global attributes derive from the "Unidata Dataset Discovery v1.0" which is described at: http://www.unidata.ucar.edu/software/netcdf-java/formats/DataDiscoveryAttConvention.html or the COARDS convention described at: http://ferret.wrc.noaa.gov/noaa_coop/coop_cdf_profile.html A description of the attributes not listed in these conventions follows: Attribute: Cyclone_ID Description: The tropical cyclone ID. See the description of the format above (in the file naming convention). Attribute: Cyclone_Name Description: The tropical cyclone name (if available) as provided in the interpolated best track/HURDAT data from Jim Kossin. Attribute: base_date Description: This is the year/month/day_of_month of the satellite image. Attribute: Projection Description: Lists the projection "Mercator" of the gridded data. Attribute: Satellite_Name Description: The name of the satellite making the observation. Attribute: Sensor_Name Description: Name of the satellite instrument making the observation. Attribute: B1_file Description: File name of the ISCCP B1 file in the NCDC archive from which this data was derived. Attribute: cvs_info_b12b1u Description: CVS information regarding the routine used to convert the ISCCP B1 file to a uniform format (ISCCP B1U). Attribute: cvs_info_b1read Description: CVS information regarding the routine used to read the generic ISCCP B1 data. Attribute: cvs_info_SpcSat Description: CVS information regarding the specific routine used to read the data (which is specific by processing center and satellite). Attribute: cvs_info_b12nc Description: CVS information regarding the routine used to extract the tropical cyclone grids from the ISCCP B1 data Attribute: cvs_info_nc2v01 Description: CVS information regarding the routine used to modify the NetCDF data to include the required attributes. This attribute will not appear in version 2 data as it will be part of the b12nc algorithm. NETCDF FILE VARIABLES --------------------- Again, COARDS conventions define the add_offset, scale_factor, long_name and units attributes. We only describe that which can not be obtained from ncdump and an understanding of the COARDS convention. Element Name: lat Definition: Latitude dimension vector of the corresponding satellite observation grids. Element Name: lon Definition: Longitude dimension vector of the corresponding satellite observation grids. Element Name: VZA Definition: Satellite view zenith angle. Element Name: IRWIN Definition: Infrared window channel brightness temperature observation. The data is provided in scaled termperature. The original B1 data were calibrated using the ISCCP absolute calibration (version was that as of May 2006). The data were further calibrated using coincident HIRS observations and provided corrections to the ISCCP calibration. The application of the correction is described below. Attributes Calibration_Correction_Equation: This is the equation on how the calibration correction should be applied. Calibration_Correction_Scale: The scale used in the calibration correction. Calibration_Correction_Offset: The offset used in the calibration correction. Calibration_Correction_AppendDate: The date the calibration correction was appended to the file. Calibration_Correction_TableVersion: The filename and version of the calibration correction from which the correction derives. Depending on the availability of channels the following channels are optional for all data sets. Element Name: VSCHN (optional) Definition: Visible channel observations. Element Name: IRWVP (optional) Definition: Infrared window channel observations. Element Name: IRSPL (optional) Definition: Split window channel observations. Element Name: IRNIR (optional) Definition: Near-infrared channel observations. The following variables will likely be moved to global attributes in future releases of the data. Element Name: NomDate Definition: Nominal starting date (UTC) of the satellite image. This is generally of the form YYJJJ where YY is the last two digits of the year and JJJ is the day of the year. Note: It may also be of a format which includes a 4-digit year. That is, YYYYJJJ. Element Name: NomTime Definition: The nominal starting time (UTC) of the satellite image, of the format HHMMSS Element Name: sss Definition: Sensor ID. The missing value is -9999. A table of the McIDAS sensor IDs is available at: http://www.ssec.wisc.edu/mcidas/doc/misc_doc/area2 .html (sensor source numbers) Element Name: nchan Definition: Dimension describing the number of available channels from the instrument. Element Name: SubSatLat Definition: The satellite nadir point latitude at the time of the image observation. Element Name: SubSatLon Definition: The satellite nadir point longitude at the time of the image observation. Entity and Attribute Detail Citation: None NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact NCEI Contact Information Information for contacts at NCEI. information distributor In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media. Contact NCEI for other distribution options and instructions. XML netCDF 4 https://www.ncei.noaa.gov/metadata/geoportal/rest/metadata/item/gov.noaa.ncdc:C00629/html HTTPS Landing Page NCEI Dataset Landing Page Landing page for the dataset. information https://www.ncei.noaa.gov/contact HTTPS Web Browser Contact NCEI This dataset is not available online. Please contact NCEI to request the dataset. offlineAccess dataset Horizontal Positional Accuracy Report The horizontal positional accuracy of this data set is affected by a) satellite navigation errors and b) "best track"/HURDAT position accuracy of the storms (which includes the interpolation from the original 6h resolution to 3-hourly to match the ISCCP B1 resolution). The satellite accuracy is generally 2 pixels (~16 km), but can be larger. Thus, locations reported in the data files are generally within 16 km. The position of the storm only affects the positional accuracy insomuch as that the center pixel corresponds to the circulation center (e.g., the eye). This secondary accuracy does not affect the location calculations, but will affect such calculations as radially-averaged brightness temperatures (in this case, if the storm location is incorrect, then the radially-averged temps. will be averaged about the wrong point). This secondary error is likely less than the satellite navigation error of 16km. Horizontal Positional Accuracy As stated above, this value is a rule-of-thumb of ISCCP. No calculations have been made to understand the positional accuracy. 16000 Every attempt has been made to completely merge the HURDAT/"Best Track" data with the satellite imagery from ISCCP B1. Missing data generally ocurr when the original ISCCP B1 file is missing for an observation. Also, observations of tropical cyclones over the Indian Ocean are incomplete given the lack of geostationary coverage prior to 1998. Unknown Quantitative Attribute Accuracy Assessment In comparisons between the geostationary observations and the High-resolution Infrared Radiation Sounder, the accuracy stated above is a representative RMS difference between HIRS channel 8 and GEO IRWIN observations. Accordingly, the stated accuracy is an upper limit since the RMS difference icludes other sources of noise such as: HIRS noise and co-location noise (in time, space and viewing geometries). The primary quantitative use of this data set is brightness temperatures from the IR Window Channel (IRWIN). Hence, on the accuracy of the IRWIN brightness temperatures is discussed. The calibration tested and corrected the initial ISCCP calibration. Corrections were made and are detailed by Knapp, K. R. (2007), Calibration of long-term geostationary infrared observations using HIRS, Journal of Atmospheric and Oceanic Technology, Submitted. The calibration removed temporal trends or shifts in the calibration data. It did not specifically address the precision or accuracy of the data. 2K Interpolate Best track and HURDAT data to 3-hourly The HURDAT and best track data (hereafter collectively called best track) are available every 6 hours. The ISCCP B1 data is available at 3 hour intervals. Thus, to take advantage of the higher temporal resolution ISCCP B1 data, the best track data were interpolated. Interpolation was performed using splines to produce a smooth 3 hour product. This process is performed once when new data become available from the centers (National Hurricance Centr and JTWC). 2006-05-31T00:00:00 Regrid ISCCP B1 data The 3-hourly tropical cyclone positions are then used to create fixed 0.07 deg latitude grids about the storm. The ISCCP B1 data are then mapped to the grid and the result is stored in a netCDF file. This is the final step in processing the data (however, it is possible to append the netCDF file later with additional information on the calibration adjustments to the ISCCP B1 data). 2006-06-30T00:00:00 Source Contribution: The HURDAT record provided the location of global tropical cyclones at 6-hour intervals. The HURDAT data set spans the North Atlantic Basin. Storm locations from other basins were derived from the JTWC best-track data. Best track data for the Eastern Pacific was also provided by the National Hurricane Center in a similar fashion to the HURDAT North Atlantic data. Source Type: Unknown Atlantic Basin and North American Hurricane Database Re-analysis Project (DS-9630) publication National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce originator tableDigital 1851-01-01 2005-12-31 Source Contribution: The JTWC best-track data provided the location of global tropical cyclones at 6-hour intervals. The JTWC best-track data spans the Indian Ocean and the Western and Wouthern Pacific Ocean. Source Type: Unknown Tropical Cyclone Best Track DAta publication Joint Typhoon Warning Center originator tableDigital 1945-01-01 2004-12-31 Source Contribution: The ISCCP B1 data is used as the source for the satellite imagery. The data were re-navigated and re-calibrated prior to regridding the data to the 0.07 deg grid used here. Source Type: Unknown ISCCP B1 geostationary data (NCDC DSI-3650, DSI-3651, DSI-3652, DSI-3653, and DSI-3654) publication National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce Asheville North Carolina, U.S. publisher National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce originator imageDigital 1983-07-01 2005-12-31 repository NOAA National Centers for Environmental Information NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015. 2015-04-22T00:00:00 asNeeded Bulk metadata change applied on 2023-06-23. See version control repository history for metadata change details. VISSR > Visible and Infrared Spin Scan Radiometer VISSR > Visible and Infrared Spin Scan Radiometer VISSR > Visible and Infrared Spin Scan Radiometer Imager > GOES I-M IMAGER Imager > GOES I-M IMAGER Imager > GOES I-M IMAGER Imager > GOES I-M IMAGER Imager > GOES I-M IMAGER VISSR > Visible and Infrared Spin Scan Radiometer VISSR > Visible and Infrared Spin Scan Radiometer VISSR > Visible and Infrared Spin Scan Radiometer VISSR > Visible and Infrared Spin Scan Radiometer VISSR > Visible and Infrared Spin Scan Radiometer MVIRI > Meteosat Visible and InfraRed Instrument MVIRI > Meteosat Visible and InfraRed Instrument MVIRI > Meteosat Visible and InfraRed Instrument MVIRI > Meteosat Visible and InfraRed Instrument MVIRI > Meteosat Visible and InfraRed Instrument MVIRI > Meteosat Visible and InfraRed Instrument NOAA Geostationary Operational Environmental Satellites Japan Geostationary Meteorological Satellite METEOSAT