{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:13:37.330491", "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-May-20_to_2020-May-22_297.0_-12.5"}, "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": 2020050002342}, "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": "May 20 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 22 2020"}, "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": 93747.62403407527}, "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": ["Bolivia, Plurinational State of", "Brazil"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "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": -12.5}, "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": 297.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "297.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 295.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-65.53, -12.97], [-65.177, -12.823], [-65.043, -12.5], [-65.25, -12.0], [-65.146, -11.75], [-65.25, -11.5], [-65.146, -11.25], [-65.177, -11.177], [-65.53, -11.03], [-65.75, -10.5], [-65.646, -10.25], [-65.75, -10.0], [-65.53, -9.47], [-65.0, -9.25], [-64.75, -9.354], [-64.5, -9.25], [-64.0, -9.457], [-63.5, -9.25], [-62.97, -9.47], [-62.823, -9.823], [-62.47, -9.97], [-62.25, -10.5], [-62.47, -11.03], [-62.823, -11.177], [-62.854, -11.25], [-62.823, -11.323], [-62.47, -11.47], [-62.25, -12.0], [-62.354, -12.25], [-62.323, -12.323], [-61.97, -12.47], [-61.75, -13.0], [-61.97, -13.53], [-62.5, -13.75], [-62.75, -13.646], [-62.823, -13.677], [-62.97, -14.03], [-63.5, -14.25], [-63.75, -14.146], [-64.0, -14.25], [-64.25, -14.146], [-64.323, -14.177], [-64.47, -14.53], [-65.0, -14.75], [-65.53, -14.53], [-65.75, -14.0], [-65.646, -13.75], [-65.75, -13.5], [-65.53, -12.97]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-05-20T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-65.64644660940672, -13.75], [-65.75, -13.5], [-65.53033008588989, -12.969669914110089], [-65.17677669529661, -12.823223304703363], [-65.04289321881345, -12.5], [-65.25, -12.0], [-65.14644660940672, -11.75], [-65.25, -11.5], [-65.14644660940672, -11.25], [-65.17677669529661, -11.176776695296637], [-65.53033008588989, -11.030330085889911], [-65.75, -10.5], [-65.64644660940672, -10.25], [-65.75, -10.0], [-65.53033008588989, -9.469669914110089], [-65.0, -9.25], [-64.75, -9.353553390593278], [-64.5, -9.25], [-64.0, -9.457106781186557], [-63.5, -9.25], [-62.96966991411011, -9.469669914110089], [-62.82322330470339, -9.823223304703363], [-62.46966991411011, -9.969669914110089], [-62.25, -10.5], [-62.46966991411011, -11.030330085889911], [-62.82322330470339, -11.176776695296637], [-62.85355339059328, -11.25], [-62.82322330470339, -11.323223304703363], [-62.46966991411011, 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{"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.268593223560788}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.595326102657225, 26.97056005630128, 26.965363553625764]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.170228980290574, 27.771778453033164, 27.81490841522981]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9302352497336122, 2.407119032286307, 2.468425388662445]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.6006269276850276, 3.3863842397669828, 3.2985025918858355]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1206052745289994, 1.3372243057804782, 1.346424506774094]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3267177850859293, 1.4784708470247911, 1.672842938682883]}}