Geostationary Operational Environmental Satellite, R-Series (GOES-R) Extreme Ultraviolet X-Ray Irradiance Sensors (EXIS) Level 2 Products

GOES-R EXIS L2

NOAA GOES Spacecraft

The EUV and X-Ray Irradiance Sensors (EXIS) measures solar irradiance at the very short wavelengths where the Sun's output varies the most. EXIS has two primary components, the X-Ray Sensor (XRS) and the Extreme Ultraviolet Sensor (EUVS). EXIS Level 2 data are used by NOAA?s Space Weather Prediction Center to produce warnings for radio blackouts when large flares occur. EXIS extreme ultraviolet data is used in models to help determine upper atmospheric densities which impact satellite orbits. EXIS Level 2 data products include measurements of irradiances in two X-ray bands, seven lines at extreme and far ultraviolet wavelengths, and the Magnesium II index, The EXIS products are at multiple cadences including high resolution data of 1 to several seconds as well as 1-minute and daily averages. Other products include flare summaries, flare locations and extreme ultraviolet spectra generated by a proxy model. Data are in NetCDF-4 format.

Dataset Citation

Cite this dataset when used as a source: Machol, Janet, Stefan Codrescu, and Rodney Viereck. 'GOES-R Series Extreme Ultraviolet and X-ray Irradiance Sensors (EXIS) Level 2 Products'. NOAA National Centers for Environmental Information, 2018. https://doi.org/10.25921/94P8-YE57.

Dataset Identifiers

https://doi.org/10.25921/94P8-YE57
gov.noaa.ncei.swx:exis-l2-goesr

ISO 19115-2 Metadata

gov.noaa.ncei.swx:exis-l2-goesr

XML


Download Data	https://data.ngdc.noaa.gov/platforms/solar-space-observing-satellites/goes/ (download)
Distribution Formats	netCDF-4 File Compression: gzip
Distributor	NOAA National Centers for Environmental Information goesr.spaceweatherdata@noaa.gov
Dataset author	Janet Machol Instrument Scientist NOAA National Centers for Environmental Information goesr.exis@noaa.gov


Coverage Description	Non-geographic dataset
Time Period	2017-12-19 to Present
Spatial Bounding Box Coordinates	Bounding coordinates not available


Dataset Information	GOES-R Space Weather Data Access Page Information about how to access GOES-R space weather data GOES-R Level 2 File Downloads (download) Downloads for GOES-R Space Weather Level 2 (L2) products, including EXIS products GOES-R EXIS XRS ReadMe File for Level L2 Data ReadMe File for GOES-R EXIS XRS Level L2 Data GOES-R EXIS XRS User Guide for Level L2 Data User Guide for GOES-R EXIS XRS Level L2 Data GOES-R EXIS EUVS ReadMe for Level L2 Data ReadMe for GOES-R EXIS EUVS Level L2 Data GOES-R EXIS EUVS User Guide for Level L2 Data User Guide for GOES-R EXIS EUVS Level L2 Data
Processing Documents	GOES-R EXIS L2 Algorithm Theoretical Basis Documents (ATBDs)

Dataset Information

GOES-R Space Weather Data Access Page
Information about how to access GOES-R space weather data

GOES-R Level 2 File Downloads (download)
Downloads for GOES-R Space Weather Level 2 (L2) products, including EXIS products

GOES-R EXIS XRS ReadMe File for Level L2 Data
ReadMe File for GOES-R EXIS XRS Level L2 Data

GOES-R EXIS XRS User Guide for Level L2 Data
User Guide for GOES-R EXIS XRS Level L2 Data

GOES-R EXIS EUVS ReadMe for Level L2 Data
ReadMe for GOES-R EXIS EUVS Level L2 Data

GOES-R EXIS EUVS User Guide for Level L2 Data
User Guide for GOES-R EXIS EUVS Level L2 Data

Processing Documents

GOES-R EXIS L2 Algorithm Theoretical Basis Documents (ATBDs)


Publication Dates	publication: 2018-09-01
Data Presentation Form	Digital image
Dataset Progress Status	Ongoing - data is continually being updated
Data Update Frequency	Continual
Purpose	EXIS L2 data allow space weather forecasters and modelers to track solar activity such as solar radiation storms. These events can in expose astronauts to radiation, impact satellite operations, and interfere with radio communications.
Use Limitations	These GOES-16 data have reached provisional maturity and are still undergoing testing. Users receiving these data through any dissemination means assume all risk related to their use and NOAA disclaims any and all warranties, whether express or implied, including (without limitation) any implied warranties of merchantability or fitness for a particular purpose.


Dataset Citation	Cite this dataset when used as a source: Machol, Janet, Stefan Codrescu, and Rodney Viereck. 'GOES-R Series Extreme Ultraviolet and X-ray Irradiance Sensors (EXIS) Level 2 Products'. NOAA National Centers for Environmental Information, 2018. https://doi.org/10.25921/94P8-YE57.
Cited Authors	Janet Machol NOAA National Centers for Environmental Information
Collaborators	Stefan Codrescu NOAA National Centers for Environmental Information Rodney Viereck NOAA Space Weather Prediction Center, National Weather Service, NOAA, U.S. Department of Commerce
Publishers	NOAA National Centers for Environmental Information


Theme keywords	NASA Global Change Master Directory (GCMD) Science and Services Keywords EARTH SCIENCE > SUN-EARTH INTERACTIONS > SOLAR ACTIVITY > SOLAR IRRADIANCE EARTH SCIENCE > SUN-EARTH INTERACTIONS > SOLAR ACTIVITY > SOLAR ULTRAVIOLET EMISSIONS EARTH SCIENCE > SUN-EARTH INTERACTIONS > SOLAR ACTIVITY > SOLAR X-RAY EMISSIONSX
Platform keywords	NASA Global Change Master Directory (GCMD) Platform Keywords Solar/Space Observation Satellites > GOES (Geostationary Operational Environmental Satellite)
Instrument keywords	NASA Global Change Master Directory (GCMD) Instrument Keywords Solar/Space Observing Instruments > Ultraviolet Instruments > > > EXIS-EUVS-GOESR NASA Global Change Master Directory (GCMD) Instrument Keywords Solar/Space Observing Instruments > X-Ray/Gamma Ray Detectors > > > EXIS-XRS-GOESR
Place keywords	NASA Global Change Master Directory (GCMD) Location Keywords SPACE > EARTH MAGNETIC FIELD > MAGNETOSPHERE (OTHER)
Project keywords	NASA Global Change Master Directory (GCMD) Project Keywords GOES > Geostationary Operational Environmental Satellites NOAA OneStop Project
Stratum keywords	NASA Global Change Master Directory (GCMD) Location Keywords SPACE > EARTH MAGNETIC FIELD > MAGNETOSPHERE (OTHER)


Use Constraints	Cite this dataset when used as a source: Machol, Janet, Stefan Codrescu, and Rodney Viereck. 'GOES-R Series Extreme Ultraviolet and X-ray Irradiance Sensors (EXIS) Level 2 Products'. NOAA National Centers for Environmental Information, 2018. https://doi.org/10.25921/94P8-YE57. NCEI cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NCEI makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. 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.
Fees	Electronic downloads of the data are free; however, fees may apply for data certifications and data distribution on physical media.

Use Constraints

Cite this dataset when used as a source: Machol, Janet, Stefan Codrescu, and Rodney Viereck. 'GOES-R Series Extreme Ultraviolet and X-ray Irradiance Sensors (EXIS) Level 2 Products'. NOAA National Centers for Environmental Information, 2018. https://doi.org/10.25921/94P8-YE57.

NCEI cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NCEI makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. 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.

Fees

Electronic downloads of the data are free; however, fees may apply for data certifications and data distribution on physical media.

Lineage information for:dataset
Lineage Statement	This dataset was produced by NESDIS, and is archived at the NOAA National Centers for Environmental Information (NCEI).
Processor	National Centers for Environmental Information (NCEI) DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
Processing Steps	Please contact goesr.exis@noaa.gov for information about the L2 processing algorithms. Creation of GOES-R EXIS L2 Products from GOES-R EXIS L1b Products. Rationale: Forecasting and Modeling Activities
Processing Documents	GOES-R EXIS L2 Algorithm Theoretical Basis Documents (ATBDs)
Source Datasets	Web site to extract Level 1b source data Web site to extract Level 1b source data Description of Source: GOES-R EXIS Level 1b data Temporal extent used: 2017-12-19 to Present

Lineage information for:repository
Processing Steps	2015-04-22T00:00:00 -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.

Last Modified: 2022-09-27T03:21:57

For questions about the information on this page, please email:goesr.spaceweatherdata@noaa.gov