{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:36.588350", "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": "2020-Feb-11_to_2020-Feb-14_314.0_-6.0"}, "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": 2020020001697}, "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": "February 11 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 14 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 64509.71349744225}, "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": ["Brazil"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": []}, "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": -6.0}, "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": 314.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "314.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 313.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 315.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-47.177, -5.323], [-47.03, -4.97], [-46.5, -4.75], [-46.25, -4.854], [-46.0, -4.75], [-45.75, -4.854], [-45.5, -4.75], [-45.25, -4.854], [-45.0, -4.75], [-44.47, -4.97], [-44.323, -5.323], [-43.97, -5.47], [-43.75, -6.0], [-43.97, -6.53], [-44.323, -6.677], [-44.354, -6.75], [-44.25, -7.0], [-44.47, -7.53], [-45.0, -7.75], [-45.25, -7.646], [-45.323, -7.677], [-45.47, -8.03], [-46.0, -8.25], [-46.25, -8.146], [-46.5, -8.25], [-47.03, -8.03], [-47.25, -7.5], [-47.146, -7.25], [-47.177, -7.177], [-47.53, -7.03], [-47.75, -6.5], [-47.646, -6.25], [-47.75, -6.0], [-47.53, -5.47], [-47.177, -5.323]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-02-11T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-45.25, -6.0], [-45.03033008588989, -5.4696699141100895], [-44.5, -5.25], [-43.96966991411011, -5.4696699141100895], [-43.75, -6.0], [-43.96966991411011, -6.5303300858899105], [-44.5, -6.75], [-45.03033008588989, -6.5303300858899105], [-45.25, -6.0]]]}, "2020-02-12T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-47.64644660940672, -6.25], [-47.75, -6.0], [-47.53033008588989, -5.4696699141100895], [-47.17677669529661, -5.3232233047033635], [-47.03033008588989, -4.9696699141100895], [-46.5, -4.75], [-46.25, -4.853553390593278], [-46.0, -4.75], [-45.75, -4.853553390593278], [-45.5, -4.75], [-45.25, -4.853553390593278], [-45.0, -4.75], [-44.46966991411011, -4.9696699141100895], [-44.32322330470339, -5.3232233047033635], [-43.96966991411011, -5.4696699141100895], [-43.75, -6.0], [-43.96966991411011, -6.5303300858899105], [-44.32322330470339, -6.6767766952966365], [-44.35355339059328, -6.75], [-44.25, -7.0], [-44.46966991411011, -7.5303300858899105], [-45.0, -7.75], [-45.25, -7.646446609406722], [-45.32322330470339, -7.6767766952966365], [-45.46966991411011, -8.030330085889911], [-46.0, -8.25], [-46.25, -8.146446609406722], [-46.5, -8.25], [-47.03033008588989, -8.030330085889911], [-47.25, -7.5], [-47.14644660940672, -7.25], [-47.17677669529661, -7.1767766952966365], [-47.53033008588989, -7.0303300858899105], [-47.75, -6.5], [-47.64644660940672, -6.25]]]}, "2020-02-13T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-47.64644660940672, -6.25], [-47.75, -6.0], [-47.53033008588989, -5.4696699141100895], [-47.17677669529661, -5.3232233047033635], [-47.03033008588989, -4.9696699141100895], [-46.5, -4.75], [-46.25, -4.853553390593278], [-46.0, -4.75], [-45.75, -4.853553390593278], [-45.5, -4.75], [-45.25, -4.853553390593278], [-45.0, -4.75], [-44.46966991411011, -4.9696699141100895], [-44.32322330470339, -5.3232233047033635], [-43.96966991411011, -5.4696699141100895], [-43.75, -6.0], [-43.96966991411011, -6.5303300858899105], [-44.32322330470339, -6.6767766952966365], [-44.35355339059328, -6.75], [-44.25, -7.0], [-44.46966991411011, -7.5303300858899105], [-45.0, -7.75], [-45.25, -7.646446609406722], [-45.32322330470339, 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2.288477372008435]}}