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Product Family Descriptions

Advanced Scatterometer Level 1B - ASCAT is a real aperture radar operating at 5.255 GHz (C-band) and using vertically polarized antennae. It transmits a long pulse with Linear Frequency Modulation ("chirp"). Ground echoes are received by the instrument and, after de-chirping, the backscattered signal is spectrally analyzed and detected. In the power spectrum, frequency can be mapped into slant range provided the chirp rate and the Doppler frequency are known. The above processing is in effect a pulse compression, which provides range resolution.

Search Criteria: Node, Resolution, Temporal, and Spatial

Advanced Very High Resolution Radiometer (AVHRR) - The Advanced Very High Resolution Radiometer (AVHRR) sensor is carried on NOAA's Polar-orbiting Operational Environmental Satellites (POES) starting with TIROS-N in 1978. Onboard the TIROS-N, NOAA-6, 8 and 10 POES Satellites, the AVHRR Sensor measures in four spectral bands, while on the NOAA-7, 9, 11, 12 and 14 POES Satellites, the sensor measures in five bands. The AVHRR/3 sensor on NOAA-15 and 16 measures in six bands though only five are transmitted to the ground at any time.

Search Criteria: Datatype, Receiving Station, Node, Satellite, Temporal, and Spatial

Aerosol Optical Thickness (100KM) (AERO) - The Aerosol products are produced from AVHRR data on a weekly basis. The primary products are a global 1 degree map of Aerosol Optical Thickness (AOT) based on a composite of one week's worth of data.

Search Criteria: Output, Variables, Temporal , and Spatial.

CoastWatch Swaths in HDF format - CoastWatch swath data is derived from AVHRR. The product contents are channel 1 albedo, channel 2 albedo, channel 3a albedo, channel 3 brightness temperature, channel 4 brightness temperature, channel 5 brightness temperature, moisture corrected sea-surface-temperature, 8-bit CLAVR ocean cloud mask, satellite zenith angle, solar zenith angle, relative azimuth angle, and 8-bit graphics layers. Large files, approximately 40-60 Mb, are full pass swath projection data.

Search Criteria: Receiving Station, Satellite, and Temporal.

CoastWatch Regions in HDF format (CW_REGION) - The mapped data derived from AVHRR is divided into files for a number of CoastWatch regions of interest. Each file contains multiple data variables stored using the HDF-4 Scientific Data Sets (SDS) model. The product contents are channel 1 albedo, channel 2 albedo, channel 3a albedo, channel 3 brightness temperature, channel 4 brightness temperature, channel 5 brightness temperature, moisture corrected sea-surface-temperature, 8-bit CLAVR ocean cloud mask, satellite zenith angle, solar zenith angle, relative azimuth angle, and 8-bit graphics layers.

Search Criteria:  Region, Satellite, and Temporal

Coast Watch Alaska Regional Node - Sea surface temperature (SST) and other products derived from the Advanced Very High Resolution Radiometer (AVHRR) on the NOAA series of polar orbiting weather satellites. The AVHRR sensor measures radiance from the earth in five bands or channels with 1.1 km resolution at nadir. Satellite estimates of SST are made by converting the radiance measured in the infrared channels to brightness temperature and then using a multi-channel technique to calculate SST to within ±0.5 °C. Various sub-regions provide coverage over the general Alaska region down to Vancouver Island.

Search Criteria: Datatype, Subregion, and Temporal

Coast Watch Caribbean Regional Node - Sea surface temperature (SST) and other products derived from the Advanced Very High Resolution Radiometer (AVHRR) on the NOAA series of polar orbiting weather satellites. The AVHRR sensor measures radiance from the earth in five bands or channels with 1.1 km resolution at nadir. Satellite estimates of SST are made by converting the radiance measured in the infrared channels to brightness temperature and then using a multi-channel technique to calculate SST to within  ±0.5 °C. Various sub-regions provide coverage over the general Caribbean region.

Search Criteria: Datatype, Subregion, and Temporal

Coast Watch Great Lake Node - Sea surface temperature (SST) and other products derived from the Advanced Very High Resolution Radiometer (AVHRR) on the NOAA series of polar orbiting weather satellites. The AVHRR sensor measures radiance from the earth in five bands or channels with 1.1 km resolution at nadir. Satellite estimates of SST are made by converting the radiance measured in the infrared channels to brightness temperature and then using a multi-channel technique to calculate SST to within  ± 0.5 °C. Various sub-regions provide coverage over the general Great Lakes region.

Search Criteria: Datatype, Subregion, and Temporal

Coast Watch Gulf of Mexico - Sea surface temperature (SST) and other products derived from the Advanced Very High Resolution Radiometer (AVHRR) on the NOAA series of polar orbiting weather satellites. The AVHRR sensor measures radiance from the earth in five bands or channels with 1.1 km resolution at nadir. Satellite estimates of SST are made by converting the radiance measured in the infrared channels to brightness temperature and then using a multi-channel technique to calculate SST to within  ±0.5 °C. Various sub-regions provide coverage over the general Gulf of Mexico region.

Search Criteria:  Datatype, Subregion, and Temporal

Coast Watch Hawaii Regional Node - Sea surface temperature (SST) and other products derived from the Advanced Very High Resolution Radiometer (AVHRR) on the NOAA series of polar orbiting weather satellites. The AVHRR sensor measures radiance from the earth in five bands or channels with 1.1 km resolution at nadir. Satellite estimates of SST are made by converting the radiance measured in the infrared channels to brightness temperature and then using a multi-channel technique to calculate SST to within  ±0.5 °C. Various sub-regions provide coverage over the general region of Hawaii.

Search Criteria:  Datatype, Subregion, and Temporal

Coast Watch Northeast Regional Node - Sea surface temperature (SST) and other products derived from the Advanced Very High Resolution Radiometer (AVHRR) on the NOAA series of polar orbiting weather satellites. The AVHRR sensor measures radiance from the earth in five bands or channels with 1.1 km resolution at nadir. Satellite estimates of SST are made by converting the radiance measured in the infrared channels to brightness temperature and then using a multi-channel technique to calculate SST to within  ±0.5 °C. Various sub-regions provide coverage over the general northeast region from the Chesapeake Bay through the Gulf of Maine.

Search Criteria:  Datatype, Subregion, and Temporal

Coast Watch Southeast Regional Node - Sea surface temperature (SST) and other products derived from the Advanced Very High Resolution Radiometer (AVHRR) on the NOAA series of polar orbiting weather satellites. The AVHRR sensor measures radiance from the earth in five bands or channels with 1.1 km resolution at nadir. Satellite estimates of SST are made by converting the radiance measured in the infrared channels to brightness temperature and then using a multi-channel technique to calculate SST to within  ±0.5 °C. Various sub-regions provide coverage of the south-east coast from the Chesapeake Bay to Florida.

Search Criteria:  Datatype, Subregion, and Temporal

Coast Watch West Coast Regional Node - Sea surface temperature (SST) and other products derived from the Advanced Very High Resolution Radiometer (AVHRR) on the NOAA series of polar orbiting weather satellites. The AVHRR sensor measures radiance from the earth in five bands or channels with 1.1 km resolution at nadir. Satellite estimates of SST are made by converting the radiance measured in the infrared channels to brightness temperature and then using a multi-channel technique to calculate SST to within  ±0.5 °C. Various sub-regions provide coverage of the west coast from Vancouver Island to Southern Baja Mexico.

Search Criteria:  Datatype, Subregion, and Temporal

Defense Meteorological Satellite Program - CLASS distributes data from three DMSP instruments: the SSM/T-1; the SSM/T-2; and the SSM/I from which antenna temperatures (Temperature Data Records - TDR), brightness temperatures (Sensor Data Records - SDR) and derived geophysical parameters (Environmental Data Records -EDR) are derived.

Search Criteria:  Datatype, Satellite, Temporal and Spatial.

Environmental Data Record Map NH DMSP-14 -Maps of various environmental products derived from SSM/I EDR data from satellite DMSP-14, covering the northern hemisphere. The maps conform to a polar stereographic projection, true at 60 degrees latitude.

Search Criteria: Output, Variables, Temporal, and Spatial.

Environmental Data Record Map NH DMSP-15 - Maps of various environmental products derived from SSM/I EDR data from satellite DMSP-15, covering the northern hemisphere. The maps conform to a polar stereographic projection, true at 60 degrees latitude.

Search Criteria: Output, Variables, Temporal, and Spatial.

Environmental Data Record Map SH DMSP-14 -Maps of various environmental products derived from SSM/I EDR data from satellite DMSP-14, covering the southern hemisphere. The maps conform to a polar stereographic projection, true at 60 degrees latitude.

Search Criteria: Output, Variables, Temporal, and Spatial.

Environmental Data Record Map SH DMSP-15 - Maps of various environmental products derived from SSM/I EDR data from satellite DMSP-15, covering the southern hemisphere. The maps conform to a polar stereographic projection, true at 60 degrees latitude.

Search Criteria: Output, Variables, Temporal, and Spatial.

GOES Satellite Data (GVAR_B11) - GVAR is the data transmission format used to broadcast environmental data measured by the independent GOES Imager and Sounder instruments. The Block 11 data files contain ancillary instrument data and metadata that may be useful to expert users as well as the soundings that have occurred over a one hour period.

Search Criteria: Satellite and Temporal.

GOES Satellite Date - Imager (GVAR_IMG) - GVAR is the data transmission format used to broadcast environmental data measured by the independent GOES Imager and Sounder instruments. The Imager data contains blocks 0 - 10 from the GVAR stream for one earth look.

Search Criteria: Coverage, Satellite Schedule, Satellite, Temporal, and Spatial.

GOES Satellite Sata - Sounder (GVAR_SND) - GVAR is the data transmission format used to broadcast environmental data measured by the independent GOES Imager and Sounder instruments. For access purposes, the Sounder data for one sounding has been extracted out of the GVAR data stream and stored in McIDAS Area format.

Search Criteria: Coverage, Satellite Schedule, Satellite, Temporal, and Spatial.

GOES Satellite Data - VISSR/VAS (GOES-7 and earlier) - The Geostationary Operational Environmental Satellite (GOES) series of satellites goal is to monitor the atmosphere for severe weather development such as tornadoes, flash floods, hail storms and hurricanes. The positioning of the GOES satellites at around 36,000 km (22,000 statute miles) above the equator at a fixed position above the earth allowed them to scan large geographic regions of the Western Hemisphere and as frequently as once every half hour. Coverage is typically provided by two GOES spacecraft, one at -75.0 Longitude (GOES East) and the other at -135.0 Longitude (GOES West). The Visible and Infrared Spin Scan Radiometer (VISSR) was flown aboard NOAA Synchronous Meteorological Satellite (SMS-1 and SMS-2) and GOES-1 through GOES-3 and modified to become the VISSR Atmospheric Sounder (VAS) flown aboard GOES-4 through GOES-7. 

Search Criteria:  Spatial, Temporal, Satellite, and Sub Mode

Global Navigation Satellite System Receiver for Atmospheric Sounding Level 1B (GRAS) - The Global Navigation Satellite System (GNSS) Receiver for Atmospheric Sounding (GRAS) is a European GNSS receiver on board MetOp-A that operates as an atmospheric sounder. GRAS uses radio occultation to measure vertical profiles of atmospheric temperature and humidity by tracking signals received from a constellation of GNSS satellites while they are setting or rising behind the Earth's atmosphere. Radio occultation is based on the fact that when radio waves pass through the atmosphere, either during a rise event or during a set event as seen by the receiver, they are refracted along the atmospheric path. The degree of refraction depends on gradients of air density, which in turn depend on temperature and water vapor. Therefore, measurement of the refracted angle contains information about these atmospheric variables. As the measurements are made tangentially to the atmosphere, the profiles will be provided with a resolution within a few hundred meters to 1.5 kilometers, while horizontal coverage of each profile is in the order of a few hundred kilometers. With the nominal number of GNSS satellites, GRAS will provide 500 precise atmospheric profiles every day nearly equally distributed over the Earth's surface. GRAS can track up to eight satellites for navigation purposes, two additional satellites for rise and two others for set occultation measurements. GRAS has on-board GNSS satellite prediction for optimizing the navigation and occultation measurements. GRAS level 1b products contain information on a per occultation basis, along with auxiliary information.

Search Criteria: Processing Mode, Receiving Station, and Temporal

Global Ozone Monitoring Experiment-2 (GOME-2) Total Ozone Daily Data (GOME_DAILY) - The GOME-2 total ozone retrieval algorithm is based on OMI/TOMS (Ozone Monitoring Instrument / Total Ozone Mapping Spectrometer) V8 algorithm, which is a three-step process of successive estimation improvement. The algorithm uses a pair of wavelengths 331nm and 318nm (340nm and 331nm for high solar zenith angle) to derive total ozone and surface reflectivity. It first calculates N-value at the pair of wavelengths using input radiance/irradiance from GOME-2 level 1b data. With its geo-reference information, such as latitude, longitude, solar zenith angle, etc., the measured N-value is compared with pre-calculated N-value to derive the step-one total ozone and reflectivity. The pre-calculated N-value is generated by using OTMRAD forward radiative transfer model. In order to obtain step-two ozone, the profiles of ozone and temperature climatologies are then applied at all levels to account for seasonal and latitudinal variations in profile shape. In the last step, the step-two ozone estimation is modified to correct for wavelength dependent effects (tropospheric aerosol and sun glint) and local upper level profile shape effects. The algorithm writes out all the retrieval variables and corresponding geo-referenced information to PMF at the end of each scan process. Each day, the granules are accumulated to create the level 3 gridded map in ASCII and GRIB2 format. The Level 3 products are created by computing weighted averages of the Level 2 products with Fields of View intersecting each 1.25 degrees Longitude by 1.00 degree Latitude grid cell. (In polar regions the cells increase to 5.00 degrees Longitude.) The weights scale as the reciprocal of the relative path lengths (one divided by the sum of the secant of view angle plus secant of solar zenith angle) for each observation. The Magnesium II information is extracted daily from the GOME-2 1B granules, as soon as new solar radiance measurements are available. The product includes a 61-wavelength subset of the daily solar spectrum and a Mg II core-to-wing ratio for the spectrum. Our Mg II Index value is a simple ratio of the average of the irradiance measurements near three core wavelengths to the average of the irradiance measurements near four wavelengths at the wings, two at each wing. Each irradiance value is computed by interpolation of the pair of values for GOME-2 surrounding the following positions: 276.82, 276.97, 279.78, 279.92, 280.07, 283.03, and 283.17 nm. The daily gridded total ozone and Magnesium II products are available in ASCII format. 

Search Criteria: Datatype and Temporal

Global Ozone Monitoring Experiment-2 (GOME) - GOME-2 is a scanning spectrometer used to measure profiles of atmospheric ozone and to measure other trace gases in the atmosphere. It is an adaptation of a similar instrument already successfully flown on ESA's ERS-2 satellite. It is a nadir viewing across-track scanning spectrometer with a swath width of 1920 km. It measures the radiance back-scattered from the atmosphere and the surface of the Earth in the ultraviolet and visible range. The instrument uses four channels to cover the full spectral range from 240 to 790 nm with a spectral resolution of 0.2 nm at the lower end of the range, rising to 0.4 nm at the higher end. The instrument employs a mirror mechanism which scans across the satellite track with a maximum scan angle that can be varied from ground control, and three multi-spectral samples per scan. The ground pixel size of GOME-2 is 40 x 80 km.

Search Criteria: Spatial and Temporal

Global Ozone Monitoring Experiment-2 (GOME-2) Total Ozone Level 2 Granules - The GOME-2 total ozone retrieval algorithm is based on OMI/TOMS (Ozone Monitoring Instrument / Total Ozone Mapping Spectrometer) V8 algorithm, which is a three-step process of successive estimation improvement. The algorithm uses a pair of wavelengths 331nm and 318nm (340nm and 331nm for high solar zenith angle) to derive total ozone and surface reflectivity. It first calculates N-value at the pair of wavelengths using input radiance/irradiance from GOME-2 level 1b data. With its geo-reference information, such as latitude, longitude, solar zenith angle, etc., the measured N-value is compared with pre-calculated N-value to derive the step-one total ozone and reflectivity. The pre-calculated N-value is generated by using a forward radiative transfer model. In order to obtain step-two ozone, the profiles of ozone and temperature climatologies are then applied at all levels to account for seasonal and latitudinal variations in profile shape. In the last step, the step-two ozone estimation is modified to correct for wavelength dependent effects (tropospheric aerosol and sun glint) and local upper level profile shape effects. The algorithm writes out all the retrieval variables and corresponding geo-referenced information to a Product Master File (PMF) at the end of each scan process. The PMF files are available in sequential binary format for each three minute granule.

 Search Criteria: Temporal

IASI Daily 3x3 Global Grids - The level 1C IASI data are collocated to points on a 3x3 degree global grid. This product is generated daily and consists of two files, one for ascending orbits and the other for descending orbits. 

Search Criteria: Datatype, Satellite, and Temporal

Infrared Atmospheric Sounding Interferometer (IASI) - The Infrared Atmospheric Sounding Interferometer is flown on METOP-A. The main goal is to provide atmospheric emission spectra to derive temperature and humidity profiles with high vertical resolution and accuracy. It is a Michelson interferometer with spectral coverage between 3.6 and 15.5 micrometers. At nadir, the instrument samples data at intervals of 25 km along and a cross track, each sample having a maximum diameter of about 12 km. The level 1C data is geo-located, calibrated and apodized. Datatypes available are Level 1C granules from EUMETSAT, Level 2 and CCR profiles from NOAA.

Search Criteria: Datatype, Node, Spatial, and Temporal

IJPS Companion File - There are two types of Initial Joint Polar-orbiting Operational Satellite (IJPS) System Companion files: 1. NOAA AIP 1a telemetry file - contains the AIP minor frame data as generated on-board the satellite for the orbit. An AIP minor frame contains packed, or commutated, instrument data and other satellite data covering a time period of 0.1 seconds. 2. IJPS Ancillary file - a tar file that contains all of the ancillary input files required by the preprocessor in order to identically reproduce its output (e.g., the 1b* data sets). These files include instrument-level 1a files, control files, navigation-related files, and calibration-related files.

Search Criteria: Datatype, Satellite, and Temporal.

MSPPS Mapped Data (MSPPS_FXAR) - AMSU-A and -B instruments on NOAA-15 provided a new opportunity to produce Microwave Surface and Precipitation Products System (MSPPS) from NOAA polar orbiter satellites similar to the Environmental Data Records (EDRs)] produced by Fleet Numerical Meteorology and Oceanography Center (FNMOC) from the DMSP and SSM/I instrument. MSPPS produces near real-time operational surface and precipitation products from the AMSU-A and AMSU-B instruments. These products are Antenna Temperature, Total Precipitable Water, Cloud Liquid Water, Sea Ice COncentration, Surface Emissivity at 23.8, 31.4 and 50.3 GHz, Surface Skin Temperture, Snow Cover, Rain Rate, and Ice Water Path. These data are produced as mapped geophysical products on an obit-by-orbit basis.

Search Criteria: Satellite and Temporal.

MSPPS Orbital Data (MSPPS_ORB) - AMSU-A and -B instruments on NOAA-15 provided a new opportunity to produce Microwave Surface and Precipitation Products System (MSPPS) from NOAA polar orbiter satellites similar to the Environmental Data Records (EDRs)] produced by Fleet Numerical Meteorology and Oceanography Center (FNMOC) from the DMSP and SSM/I instrument. MSPPS produces near real-time operational surface and precipitation products from the AMSU-A and AMSU-B instruments. These products are Antenna Temperature, Total Precipitable Water, Cloud Liquid Water, Sea Ice COncentration, Surface Emissivity at 23.8, 31.4 and 50.3 GHz, Surface Skin Temperature, Snow Cover, Rain Rate, and Ice Water Path. These data are available on an orbital basis.

Search Criteria: Datatype, Satellite, and Temporal.

Microwave Humidity Sounder Level 1b Format (MHS) - The Microwave Humidity Sounder (MHS) is a cross-track, line-scanned radiometer with five frequency channels of the millimeter-wave band (89-190 GHz). The MHS measurements are used in the NOAA/NESDIS operational microwave products suite to derive surface and hydrological products, such as, Ice Water Path, Precipitation Rate, Snow Cover and Snow Water Equivalent.

Search Criteria: Node, Receiving Station, Satellite, Temporal, and Spatial.

Ocean Color Products (OC) - NOAA CoastWatch routinely produces chlorophyll-a concentration and turbidity (reflectance) products from SeaWiFS aboard the OrbView-2 spacecraft. On average, one image per day is available for each CoastWatch region. Level 1A SeaWiFS data are obtained from either ORBIMAGE (via a contractual purchase) or NASA (via the NASA SeaWiFS Project).

Search Criteria: Datatype, Origin, Region, Station, Product Code, and Temporal.

OSTM/Jason-2: Ancillary Files (J2_ANC temporarily restricted)- Ancillary data files used to generate Level-2 products. Includes both static tabular data files and dynamic files which change/grow over time. Ancillary files are mission specific files used in the production of Level-2 products 

Search Criteria:Datatype and Temporal

OSTM/Jason-2: Auxiliary Files (J2_AUX temporarily restricted) - Auxiliary data files used to generate Level-2 products. Includes both static tabular data files and dynamic files which change/grow over time. Auxiliary files are produced outside of OSTM but are used in the production of Level-2 products.

Search Criteria: Datatype and Temporal

OSTM/Jason-2: Level-2 Geophysical Data Records (J2_XGDR temporarily restricted) - The level 2 geophysical data records derived from instruments aboard the JASON-2 satellite and are available as 3 datatypes: Operational Geophysical Data Records (OGDR), Interim Geophysical Data Records (IGDR) and final Geophysical Data Records (GDR). The OGDRs are near-real-time records and are generated every 3-5 hours. They are based on orbits from DORIS propagator and forecast meteorological fields for the geophysical corrections. The IGDRs are based on preliminary DORIS ephemeris, analyzed meteorological grids, and preliminary auxiliary data files. They have a data latency of 1 - 2 days. The S-IGDR is a superset of the IGDR, containing the original radar echo "waveform" data. The GDRs are based on final high-precision DORIS (perhaps combined with GPS) ephemeris, final meteorological grids, ancillary and auxiliary data files. S-GDR is a superset of the GDR, containing the waveform data. They are generated every 10 days. Sea Surface Height Anomaly (SSHA) files are available for IGDR and GDR. All files are available in NetCDF format and the OGDR is also available in BUFR format.

Search Criteria:Datatype, Node, Pass and Temporal

OSTM/Jason-2: NRTAVS QA Reports (J2_QA temporarily restricted) - Quality Reports from the Near Real-Time Altimetry Validation System (NRTAVS). Reports are daily and cover the previous 10-day period. 

Search Criteria: Temporal

OSTM/Jason-2: Orbital Information (J2_ORBINFO restricted) - For GPSP1: Intermediate Level-1 data files in "RINEX" format, from the Global Positioning System receiver. Used to compute precise GPS orbits for the spacecraft. For TLE: Two Line Element Files used to determine the position and velocity of the satellite. Within CLASS, they will be used directly to determine each orbit's equator crossing longitude and time which subsequently are used to support spatial search (TBD). For MOE and POE: Medium-precision and Precision Orbital Ephemeris files from the DORIS system. Produced by CNES for offline (IGDR, GDR) data production.

Search Criteria: Datatype and Temporal

OSTM/Jason-2: Telemetry (J2_TEL Restricted) - Dataset consists of raw Level-0 telemetry data from the Jason-2 spacecraft. There are three datatypes available: Housekeeping Telemetry - Recorded (HKTM-R) is stored on the spacecraft for later downlink, Payload Telemetry 1 (PLTM-1) is the payload science data from the core-mission payloads: Poseidon-3, DORIS, AMR, and GPSP and Payload Telemetry 2 (PLTM-2) is the payload science data from the passenger mission of opportunity payloads: CARMEN-2, L2T2 and LPT. They are available as CCSDS packet files. 

Search Criteria:Datatype and Temporal

Pathfinder AVHRR - The current AVHRRPF (or PATMOS) data sets cover the following satellites and time periods: NOAA-7 (9/81 - 1/85), NOAA-9 (2/85 - 10/88), NOAA-11 (11/88 - 8/94), and NOAA 14 (3/96 - 12/00). PATMOS-A1 computes statistics of the radiances in all five channels of the AVHRR from clear and cloudy 2x2 pixel arrays and the total cloud amount for a total of 71 parameters. PATMOS-A2, computes statistics of aerosol optical thickness over the oceans, and shortwave absorbed radiation and outgoing longwave radiation parameters of the radiation budget at the top of the atmosphere. Data presented here is extracted from PATMOS-A2 monthly mean.

Search Criteria: Output, Variables, Temporal, and Spatial.

Radiation Budget Data (RBUD) - The Radiation Budget product suite is produced from the primary morning and afternoon Polar Orbiters, NOAA-15, NOAA-16, and NOAA-17. There are 37-day files with daily subset files. This data is frequently used to study global climate change.

Search Criteria: Datatype, Satellite, and Temporal.

Sea Surface Temperature Global (100kmsst100km Global ) (SST) - The product shows global, 100-km resolution sea surface temperatures in degrees C. It is a composite gridded-image derived from 8-km resolution Global SST Observations and is generated daily on a global scale. SST is defined as the sea surface temperature tuned to in situ data at 1-meter depth.

Search Criteria: Output, Variables, Temporal, and Spatial.

Sea Surface Temperature North America (14km North America) (SST14NA) - The product shows local, 14 km resolution sea surface temperatures in degrees C. It is a composite gridded-image derived from 8-km resolution SST Observations. It is generated every 48 hours for North America. SST is defined as the sea surface temperature tuned to in situ data at 1-meter depth.

Search Criteria: Output, Variables, Temporal, and Spatial.

Sea Surface Temperature (50km) (SST) - The product shows global, 50-km resolution sea surface temperatures in degrees C. It is a composite gridded-image derived from 8-km resolution Global SST Observations and is generated twice weekly on Tuesday and Saturday on a global scale. SST is defined as the sea surface temperature tuned to in situ data at 1-meter depth.

Search Criteria: Output, Variables, Temporal, and Spatial.

Sea Surface Temperature (from GOES) GOESSST) - The NOAA CoastWatch program provides sea surface temperature (SST) products derived from NOAA's Geostationary Operational Environmental Satellites (GOES). Sea surface temperature products from GOES for the coastal United States are available. Sea surface temperature from GOES is determined by applying an algorithm to GOES data. Multispectral information for channels 1, 2, 4 and 5 are used to identify clouds, wind effects, and other factors, which may affect the values, and each GOES satellite has its own regression equation. Validation of these algorithms was performed by comparing GOES-SST retrievals against a quality controlled data set from global drifting and moored buoy SST measurements. Comparisons were performed within one hour and 5km of each other. Results show that the GOES-Buoy SST has a bias of 0.5 degree C with a standard deviation less than 1 degree C.

Search Criteria: Datatype, Region, and Temporal.

SBUV/2 Products - The Solar Backscatter Ultraviolet Radiometer-2 (SBUV/2) is an operational remote sensor designed to map, on a global scale, total ozone concentrations and the vertical distribution of ozone in the earth's atmosphere. The 1b Capture Data Set contains (1) all SBUV/2 sensor data and support data necessary for the derivation of atmospheric ozone and solar flux; (2) instrument in-flight calibration data and housekeeping functions for monitoring post-launch instrument changes; and (3) prelaunch calibration factors, and computed current-day instrument calibration and albedo correction factors to adjust the ozone algorithm for actual instrument performance. The Product Master File (PMF) contains ozone information located in space and time, other meteorological information developed in support of the ozone computation, parameters indicating the validity of the individual ozone retrievals, and the radiance information derived from the SBUV/2 measurements. 

Search Criteria:Datatype, Satellite and Temporal

Synthetic Aperture Radar (SAR) -CLASS allows access to RADARSAT data for authorized U.S. Government users only. It permits the users to search the CLASS inventory of RADARSAT data based on data set type as well as geographic location and acquisition date. The user may then order selected data sets from the inventory for electronic delivery.

Search Criteria: Beam Mode/Position, Product Type, Processing Site, Satellite, Temporal, and Spatial.

Tiros Operational Vertical Sounder - The TIROS Operational Vertical Sounder (TOVS) system consists of three instruments: the High Resolution Infrared Radiation Sounder Version 2 (HIRS/2), the Microwave Sounding Unit (MSU) and the Stratospheric Sounding Unit (SSU). This system is onboard the NOAA 6 through NOAA 14 and TIROS-N satellites. Flying onboard NOAA 15 and NOAA 16 is the Advanced TOVS (ATOVS) system, which supplants the previous instruments with the Advanced Microwave Sounding Unit-A (AMSU-A), the Advanced Microwave Sounding Unit-B (AMSU-B), and the High Resolution Infrared Radiation Sounder Version 3 ( HIRS/3).

Search Criteria: Datatype, Receiving Station, Node, Satellite, Temporal, and Spatial.

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