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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL _NCProperties String version=2,netcdf=4.8.1,hdf5=1.12.2
attribute NC_GLOBAL CDI String Climate Data Interface version 2.1.1 (https://mpimet.mpg.de/cdi) (external link)
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL CDO String Climate Data Operators version 2.1.1 (https://mpimet.mpg.de/cdo) (external link)
attribute NC_GLOBAL citation String Hayward, A. et al.: Marine Heat Waves and Cold Spells - Multiple Analysis / Definitions (MHW-MAD), Zenodo [data set], https://doi.org/10.5281/zenodo.21835325 (external link), 2026.
attribute NC_GLOBAL Climatology String 1991-2020
attribute NC_GLOBAL Conventions String CF-1.8, COARDS, ACDD-1.3
attribute NC_GLOBAL creator_email String algh at dmi.dk
attribute NC_GLOBAL creator_name String Alex Hayward
attribute NC_GLOBAL creator_type String person
attribute NC_GLOBAL creator_url String https://orcid.org/0000-0003-3500-9964 (external link)
attribute NC_GLOBAL doi String 10.5281/zenodo.21835325
attribute NC_GLOBAL Duration int 5
attribute NC_GLOBAL Easternmost_Easting double 179.97500610351562
attribute NC_GLOBAL Experiment String WMO Baseline 90-th percentile
attribute NC_GLOBAL geospatial_lat_max double 89.9749984741211
attribute NC_GLOBAL geospatial_lat_min double -89.9749984741211
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 179.97500610351562
attribute NC_GLOBAL geospatial_lon_min double -179.97500610351562
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL infoUrl String https://doi.org/10.5281/zenodo.21835325 (external link)
attribute NC_GLOBAL institution String Danish Meteorological Institute
attribute NC_GLOBAL license String Creative Commons Attribution 4.0 International (CC BY 4.0). https://creativecommons.org/licenses/by/4.0/ (external link)
attribute NC_GLOBAL Northernmost_Northing double 89.9749984741211
attribute NC_GLOBAL Percentile_Thresholds int 10, 90
attribute NC_GLOBAL product_version String v1.0
attribute NC_GLOBAL project String ObsSea4Clim (EU grant 101136548)
attribute NC_GLOBAL project_code String ObsSea4Clim
attribute NC_GLOBAL project_DOI String https://doi.org/10.3030/101136548 (external link)
attribute NC_GLOBAL project_edmerp String 13765
attribute NC_GLOBAL project_edmerp_uri String https://edmerp.seadatanet.org/report/13765 (external link)
attribute NC_GLOBAL project_id String 101136548
attribute NC_GLOBAL project_name String Ocean observations and indicators for climate and assessments
attribute NC_GLOBAL project_statement String Funded by the European Union. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Research Executive Agency (REA). Neither the European Union nor the granting authority can be held responsible for them.
attribute NC_GLOBAL projectName String wmo_90_5
attribute NC_GLOBAL publisher_name String Danish Meteorological Institute
attribute NC_GLOBAL publisher_url String https://www.dmi.dk (external link)
attribute NC_GLOBAL references String Hobday, A. J., et al.: A hierarchical approach to defining marine heatwaves, Prog. Oceanogr., 141, 227-238, https://doi.org/10.1016/j.pocean.2015.12.014 (external link), 2016.
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double -89.9749984741211
attribute NC_GLOBAL summary String Marine-heatwave product (Hobday et al. framework) from ESA SST-CCI. Experiment: WMO Baseline 90-th percentile. Climatology baseline: 1991-2020. Path: Raw/WMO_Climatology/90p/duration/5_days/categories. ObsSea4Clim project (EU grant 101136548).
attribute NC_GLOBAL time_coverage_end String 2024-12-31T12:00:00Z
attribute NC_GLOBAL time_coverage_start String 1982-01-01T12:00:00Z
attribute NC_GLOBAL title String MHW Raw / WMO_Climatology / 90p / duration / 5_days / categories
attribute NC_GLOBAL Westernmost_Easting double -179.97500610351562
attribute NC_GLOBAL xRange int -180, 180
attribute NC_GLOBAL yRange int -90, 90
dimension time double nValues=15706, evenlySpaced=true, averageSpacing=1 day
attribute time _ChunkSizes uint 512
attribute time _CoordinateAxisType String Time
attribute time actual_range double 3.787344E8, 1.7356464E9
attribute time axis String T
attribute time calendar String gregorian
attribute time ioos_category String Time
attribute time long_name String Time
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
dimension latitude double nValues=3600, evenlySpaced=false, averageSpacing=0.049999999152053956
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range double -89.9749984741211, 89.9749984741211
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
dimension longitude double nValues=7200, evenlySpaced=false, averageSpacing=0.050000001695656514
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range double -179.97500610351562, 179.97500610351562
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable cat_HW double time, latitude, longitude
attribute cat_HW _ChunkSizes uint 1, 1, 7200
attribute cat_HW _FillValue double NaN
attribute cat_HW colorBarMaximum double 4.0
attribute cat_HW colorBarMinimum double 0.0
attribute cat_HW description String Integer marine heatwave category (1-4) based on the multiple of the heatwave threshold (p90 - mean) exceeded by the anomaly, following Hobday et al. (2016). A value of 0 indicates no active heatwave. Events require a minimum duration of 5 day(s) with gaps of <=2 day(s) bridged.
attribute cat_HW flag_meanings String none moderate strong severe extreme
attribute cat_HW flag_values int 0, 1, 2, 3, 4
attribute cat_HW ioos_category String Other
attribute cat_HW long_name String Marine heatwave category (Hobday et al. 2016)
attribute cat_HW missing_value double NaN
attribute cat_HW units String 1
variable cat_CS double time, latitude, longitude
attribute cat_CS _ChunkSizes uint 1, 1, 7200
attribute cat_CS _FillValue double NaN
attribute cat_CS colorBarMaximum double 4.0
attribute cat_CS colorBarMinimum double 0.0
attribute cat_CS description String Integer marine cold-spell category (1-4), given as a positive magnitude, based on the multiple of the cold-spell threshold (p10 - mean) exceeded by the (negative) anomaly, following Hobday et al. (2016). A value of 0 indicates no active cold spell. Events require a minimum duration of 5 day(s) with gaps of <=2 day(s) bridged.
attribute cat_CS flag_meanings String none moderate strong severe extreme
attribute cat_CS flag_values int 0, 1, 2, 3, 4
attribute cat_CS ioos_category String Other
attribute cat_CS long_name String Marine cold-spell category (Hobday et al. 2016)
attribute cat_CS missing_value double NaN
attribute cat_CS units String 1

 
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