{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:54.547926", "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": "2025-Nov-01_to_2025-Nov-05_297.0_-13.5"}, "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": 2025110000964}, "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": "November 01 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 05 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 102468.48049066169}, "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": -13.5}, "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": 294.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 298.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-65.68, -12.18], [-65.75, -12.15], [-66.0, -12.25], [-66.53, -12.03], [-66.75, -11.5], [-66.53, -10.97], [-66.0, -10.75], [-65.75, -10.85], [-65.5, -10.75], [-65.25, -10.85], [-65.0, -10.75], [-64.75, -10.85], [-64.68, -10.82], [-64.53, -10.47], [-64.0, -10.25], [-63.47, -10.47], [-63.25, -11.0], [-63.35, -11.25], [-63.32, -11.32], [-63.25, -11.35], [-63.0, -11.25], [-62.47, -11.47], [-62.25, -12.0], [-62.37, -12.3], [-61.97, -12.47], [-61.82, -12.82], [-61.47, -12.97], [-61.25, -13.5], [-61.47, -14.03], [-61.82, -14.18], [-61.85, -14.25], [-61.75, -14.5], [-61.97, -15.03], [-62.5, -15.25], [-63.03, -15.03], [-63.18, -14.68], [-63.25, -14.65], [-63.5, -14.75], [-63.75, -14.65], [-64.0, -14.75], [-64.53, -14.53], [-64.68, -14.18], [-64.75, -14.15], [-65.0, -14.25], [-65.25, -14.15], [-65.5, -14.25], [-66.03, -14.03], [-66.25, -13.5], [-66.15, -13.25], [-66.25, -13.0], [-66.03, -12.47], [-65.62, -12.3], [-65.68, -12.18]]]]}}, "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": {"2025-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.25, -12.0], [-65.14999999999998, -11.75], [-65.25, -11.5], [-65.02999999999997, -10.97], [-64.68, -10.82], [-64.52999999999997, -10.47], [-64.0, -10.25], [-63.47000000000003, -10.47], [-63.25, -11.0], [-63.35000000000002, -11.25], [-63.31999999999999, -11.32], [-63.25, -11.35], [-63.0, -11.25], [-62.47000000000003, -11.47], [-62.25, -12.0], [-62.45999999999998, -12.5], [-62.31999999999999, -12.82], [-61.97000000000003, -12.97], [-61.75, -13.5], [-61.85000000000002, -13.75], [-61.75, -14.0], [-61.97000000000003, -14.53], [-62.5, -14.75], [-63.02999999999997, -14.53], [-63.18000000000001, -14.18], [-63.25, -14.15], [-63.5, -14.25], [-64.02999999999997, -14.03], [-64.18, -13.68], [-64.52999999999997, -13.53], [-64.68, -13.18], [-65.02999999999997, -13.03], [-65.25, -12.5], [-65.14999999999998, -12.25], [-65.25, -12.0]]]]}, "2025-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.25, -13.0], [-66.02999999999997, -12.47], [-65.62, -12.3], [-65.68, -12.18], [-65.75, -12.15], [-66.0, -12.25], [-66.52999999999997, -12.03], [-66.75, -11.5], [-66.52999999999997, -10.97], [-66.0, -10.75], [-65.75, -10.85], [-65.5, -10.75], [-65.25, -10.85], [-65.0, -10.75], [-64.75, -10.85], [-64.68, -10.82], [-64.52999999999997, -10.47], [-64.0, -10.25], [-63.47000000000003, -10.47], [-63.25, -11.0], [-63.35000000000002, -11.25], [-63.31999999999999, -11.32], [-63.25, -11.35], [-63.0, -11.25], [-62.47000000000003, -11.47], [-62.25, -12.0], [-62.370000000000005, -12.3], [-61.97000000000003, -12.47], [-61.75, -13.0], [-61.85000000000002, -13.25], [-61.75, -13.5], [-61.85000000000002, -13.75], [-61.75, -14.0], [-61.97000000000003, -14.53], [-62.5, -14.75], [-62.75, -14.65], [-63.0, -14.75], [-63.5, -14.54], [-64.0, -14.75], [-64.52999999999997, -14.53], [-64.68, -14.18], [-65.0, -14.04], [-65.5, 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evolution of mean t2m.", "value": [28.15876634385853, 28.573464483502335, 28.96485470042512, 28.71389287312826, 29.36365915934249]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.01887919108077, 29.773814137776696, 30.252359008789085, 30.223378753662132, 30.72169138590499]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0105146800593996, 2.29151873189361, 2.6848632558670764, 2.3664408342517618, 2.8721170397385976]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.566413724471772, 3.034687570670485, 3.6059729664127076, 3.3780992466451494, 3.7937776870741686]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3901812570659042, 1.4582618853168152, 1.6400572477152293, 1.4198083356812399, 1.6508127624623965]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7246513431265778, 1.7931569210709097, 2.0813993487738465, 1.9295067223029851, 2.129663146821901]}}