{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:12:29.333560", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2018-Apr-02_to_2018-Apr-04_295.0_-43.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2018040001470}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "April 02 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 04 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 60977.33958673786}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Argentina"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["South Atlantic Ocean"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -43.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 295.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "295.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 292.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 295.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -44.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -41.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.03, -42.47], [-67.68, -42.32], [-67.65, -42.25], [-67.75, -42.0], [-67.53, -41.47], [-67.0, -41.25], [-66.75, -41.35], [-66.68, -41.32], [-66.53, -40.97], [-66.0, -40.75], [-65.47, -40.97], [-65.32, -41.32], [-64.97, -41.47], [-64.82, -41.82], [-64.47, -41.97], [-64.25, -42.5], [-64.35, -42.75], [-64.25, -43.0], [-64.35, -43.25], [-64.25, -43.5], [-64.35, -43.75], [-64.25, -44.0], [-64.35, -44.25], [-64.25, -44.5], [-64.47, -45.03], [-65.0, -45.25], [-65.53, -45.03], [-65.68, -44.68], [-65.75, -44.65], [-66.0, -44.75], [-66.25, -44.65], [-66.5, -44.75], [-66.75, -44.65], [-67.0, -44.75], [-67.53, -44.53], [-67.68, -44.18], [-68.03, -44.03], [-68.25, -43.5], [-68.15, -43.25], [-68.25, -43.0], [-68.03, -42.47]]]]}, "2018-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.03, -42.47], [-67.68, -42.32], [-67.65, -42.25], [-67.75, -42.0], [-67.53, -41.47], [-67.0, -41.25], [-66.75, -41.35], [-66.68, -41.32], [-66.53, -40.97], [-66.0, -40.75], [-65.47, -40.97], [-65.32, -41.32], [-64.97, -41.47], [-64.82, -41.82], [-64.47, -41.97], [-64.25, -42.5], [-64.35, -42.75], [-64.25, -43.0], [-64.35, -43.25], [-64.25, -43.5], [-64.35, -43.75], [-64.25, -44.0], [-64.35, -44.25], [-64.25, -44.5], [-64.47, -45.03], [-65.0, -45.25], [-65.53, -45.03], [-65.68, -44.68], [-65.75, -44.65], [-66.0, -44.75], [-66.25, -44.65], [-66.5, -44.75], [-66.75, -44.65], [-67.0, -44.75], [-67.53, -44.53], [-67.68, -44.18], [-68.03, -44.03], [-68.25, -43.5], [-68.15, -43.25], [-68.25, -43.0], [-68.03, -42.47]]]]}, "2018-04-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-68.03, -42.47], [-67.68, -42.32], [-67.65, -42.25], [-67.75, -42.0], [-67.53, -41.47], [-67.0, -41.25], [-66.75, -41.35], [-66.68, -41.32], [-66.53, -40.97], [-66.0, -40.75], [-65.47, -40.97], [-65.32, -41.32], [-64.97, -41.47], [-64.82, -41.82], [-64.47, -41.97], [-64.25, -42.5], [-64.35, -42.75], [-64.25, -43.0], [-64.35, -43.25], [-64.25, -43.5], [-64.35, -43.75], [-64.25, -44.0], [-64.35, -44.25], [-64.25, -44.5], [-64.47, -45.03], [-65.0, -45.25], [-65.53, -45.03], [-65.68, -44.68], [-65.75, -44.65], [-66.0, -44.75], [-66.25, -44.65], [-66.5, -44.75], [-66.75, -44.65], [-67.0, -44.75], [-67.53, -44.53], [-67.68, -44.18], [-68.03, -44.03], [-68.25, -43.5], [-68.15, -43.25], [-68.25, -43.0], [-68.03, -42.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.692955657437892}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.221308539568351}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.634623914306815, 21.31994257588491, 20.866619742000807]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.48943557322474, 22.749302165897177, 23.093349785105033]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.881021835091518, 5.578488833966979, 5.204414949646556]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.1404422357920225, 6.692955657437892, 6.603231966435715]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5412327209076129, 1.737730759170737, 1.7226631835366417]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8671779456445248, 2.0161524438895526, 2.181049748296402]}}