{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:23.241992", "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-Oct-03_to_2025-Oct-07_287.0_-13.0"}, "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": 2025100001122}, "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": "October 03 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 07 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": 172282.71307556992}, "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", "Peru"]}, "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": -13.0}, "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": 287.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "287.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 285.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 291.5}, "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": "MultiPolygon", "coordinates": [[[[-71.25, -14.15], [-71.5, -14.25], [-72.03, -14.03], [-72.18, -13.68], [-72.25, -13.65], [-72.5, -13.75], [-72.75, 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all IPCC regions affected", "value": ["N.W.South-America", "South-American-Monsoon"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.52999999999997, -12.97], [-71.0, -12.75], [-70.47000000000003, -12.97], [-70.25, -13.5], [-70.47000000000003, -14.03], [-71.0, -14.25], [-71.52999999999997, -14.03], [-71.75, -13.5], [-71.52999999999997, -12.97]]]]}, "2025-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-74.64999999999998, -11.25], [-74.75, -11.0], [-74.52999999999997, -10.47], [-74.0, -10.25], [-73.69999999999999, -10.38], [-73.52999999999997, -9.97], [-73.0, -9.75], [-72.75, -9.85], [-72.5, -9.75], [-72.25, -9.85], [-72.0, -9.75], [-71.47000000000003, -9.97], [-71.30000000000001, -10.38], [-71.0, -10.25], [-70.47000000000003, -10.47], [-70.32, -10.82], [-69.97000000000003, -10.97], [-69.82, -11.32], 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23.352731616680444, 24.3378159684745, 24.303226256788832, 23.613425680307273]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.602343495686853, 29.321235911051474, 31.0412422180176, 30.507250722249353, 28.41252924601241]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1623477599761713, 2.0379384418464617, 2.7422052209282715, 2.7166555997690676, 1.9098284153389413]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1623477599761713, 3.056070007427934, 4.740230358313795, 4.164668532898247, 2.916102204923675]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.389221612288157, 1.5295751295537654, 1.8900832809921946, 1.8534032476363909, 1.5288920679264573]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.389221612288157, 2.3843170919712073, 2.5159848689030007, 2.735922465776458, 1.981156274498677]}}