{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:20:39.722288", "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": "2022-May-24_to_2022-May-27_297.0_-2.0"}, "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": 2022050002683}, "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 24 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 27 2022"}, "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": 71069.48883500075}, "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": -2.0}, "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": 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": 296.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 299.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-60.25, -2.5], [-60.47, -3.03], [-61.0, -3.25], [-61.53, -3.03], [-61.68, -2.68], [-61.75, -2.65], [-62.0, -2.75], [-62.25, -2.65], [-62.32, -2.68], [-62.47, -3.03], [-63.0, -3.25], [-63.53, -3.03], [-63.68, -2.68], [-63.75, -2.65], [-64.0, -2.75], [-64.53, -2.53], [-64.75, -2.0], [-64.65, -1.75], [-64.75, -1.5], [-64.53, -0.97], [-64.0, -0.75], [-63.75, -0.85], [-63.5, -0.75], [-63.25, -0.85], [-63.18, -0.82], [-63.15, -0.75], [-63.25, -0.5], [-63.03, 0.03], [-62.5, 0.25], [-62.25, 0.15], [-62.0, 0.25], [-61.75, 0.15], [-61.5, 0.25], [-61.2, 0.12], [-61.03, 0.53], [-60.5, 0.75], [-59.97, 0.53], [-59.75, 0.0], [-59.85, -0.25], [-59.75, -0.5], [-59.85, -0.75], [-59.75, -1.0], [-59.97, -1.53], [-60.5, -1.75], [-60.75, -1.65], [-60.87, -1.7], [-60.82, -1.82], [-60.47, -1.97], [-60.25, -2.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-64.75, -1.5], [-64.52999999999997, -0.97], [-64.0, -0.75], [-63.75, -0.85], [-63.5, -0.75], [-63.25, -0.85], [-63.18000000000001, -0.82], [-63.14999999999998, -0.75], [-63.25, -0.5], [-63.02999999999997, 0.03], [-62.5, 0.25], [-62.25, 0.15], [-62.0, 0.25], [-61.75, 0.15], [-61.5, 0.25], [-61.19999999999999, 0.12], [-61.02999999999997, 0.53], [-60.5, 0.75], [-59.97000000000003, 0.53], [-59.75, 0.0], [-59.85000000000002, -0.25], [-59.75, -0.5], [-59.85000000000002, -0.75], [-59.75, -1.0], [-59.97000000000003, -1.53], [-60.5, -1.75], [-60.75, -1.65], [-60.870000000000005, -1.7], [-60.75, -2.0], [-60.97000000000003, -2.53], [-61.5, -2.75], [-61.75, -2.65], [-62.0, -2.75], [-62.25, -2.65], [-62.31999999999999, -2.68], [-62.47000000000003, -3.03], [-63.0, -3.25], [-63.52999999999997, -3.03], [-63.68000000000001, -2.68], [-63.75, -2.65], [-64.0, -2.75], [-64.52999999999997, -2.53], [-64.75, -2.0], [-64.64999999999998, -1.75], [-64.75, -1.5]]]]}, 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[26.96286576456083, 27.518581288432472, 27.48310325491883, 27.80604137391572]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.555410965869044, 28.074826420493878, 28.466998744879618, 27.80604137391572]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3012858387160742, 1.8181837400612277, 1.7751864607444447, 1.2847150072977342]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5124237869470107, 2.237320820721834, 2.0919776523525115, 1.2847150072977342]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.44836589743577, 2.0380498994986307, 2.045609649210424, 1.4434255237894162]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7370995573069632, 2.520078031618066, 2.3820024019141437, 1.4434255237894162]}}