{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:07:31.262783", "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-Aug-29_to_2025-Sep-02_283.5_-4.0"}, "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": 2025080002903}, "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": "August 29 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 02 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": 132440.61547163688}, "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": ["Ecuador", "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": -4.0}, "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": 283.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "283.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 281.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 285.0}, "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": -2.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-75.47, -8.03], [-76.0, -8.25], [-76.53, -8.03], [-76.68, -7.68], [-77.03, -7.53], [-77.25, -7.0], [-77.15, -6.75], [-77.18, -6.68], [-77.53, -6.53], [-77.75, -6.0], [-77.65, -5.75], [-77.68, -5.68], [-77.75, -5.65], [-78.0, -5.75], [-78.25, -5.65], [-78.5, -5.75], [-79.03, -5.53], [-79.25, -5.0], [-79.03, -4.47], [-78.68, -4.32], [-78.65, -4.25], [-78.75, -4.0], [-78.65, -3.75], [-78.75, -3.5], [-78.53, -2.97], [-78.18, -2.82], [-78.15, -2.75], [-78.25, -2.5], [-78.03, -1.97], [-77.5, -1.75], [-77.25, -1.85], [-77.0, -1.75], [-76.47, -1.97], [-76.32, -2.32], [-76.25, -2.35], [-76.0, -2.25], [-75.47, -2.47], [-75.25, -3.0], [-75.35, -3.25], [-75.32, -3.32], [-74.97, -3.47], [-74.75, -4.0], [-74.85, -4.25], [-74.75, -4.5], [-74.87, -4.8], [-74.47, -4.97], [-74.25, -5.5], [-74.47, -6.03], [-74.82, -6.18], [-74.97, -6.53], [-75.32, -6.68], [-75.35, -6.75], [-75.25, -7.0], [-75.35, -7.25], [-75.25, -7.5], [-75.47, -8.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-78.25, -4.0], [-78.04000000000002, -3.5], [-78.25, -3.0], [-78.14999999999998, -2.75], [-78.25, -2.5], [-78.02999999999997, -1.97], [-77.5, -1.75], [-77.25, -1.85], [-77.0, -1.75], [-76.47000000000003, -1.97], [-76.25, -2.5], [-76.35000000000002, -2.75], [-76.32, -2.82], [-76.25, -2.85], [-76.0, -2.75], [-75.47000000000003, -2.97], [-75.25, -3.5], [-75.35000000000002, -3.75], [-75.25, -4.0], [-75.35000000000002, -4.25], [-75.25, -4.5], [-75.47000000000003, -5.03], [-75.82, -5.18], [-75.85000000000002, -5.25], [-75.75, -5.5], [-75.85000000000002, -5.75], [-75.82, -5.82], [-75.47000000000003, -5.97], [-75.25, -6.5], [-75.47000000000003, -7.03], [-76.0, -7.25], [-76.52999999999997, -7.03], [-76.68, -6.68], [-76.75, -6.65], [-77.0, -6.75], [-77.52999999999997, -6.53], [-77.75, -6.0], [-77.54000000000002, -5.5], [-77.68, -5.18], 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3701718295144365, 1.9346775009625543, 1.9223171490609188, 1.7180541348682743, 1.1823435766395392]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1291000116639793, 2.664529569105582, 3.0020787351147646, 2.4584693780077487, 1.1823435766395392]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4395825617973779, 2.062243981097059, 2.018987319304682, 1.793150676273891, 1.1207931806498201]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.853784311330702, 2.672681167093067, 2.669582112134535, 2.377525947045512, 1.1207931806498201]}}