{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:03:19.887560", "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-Jan-27_to_2025-Jan-29_294.0_-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": 2025010002372}, "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": "January 27 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 29 2025"}, "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": 50823.72811290099}, "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"]}, "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": -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": 294.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "294.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 293.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 295.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-67.0, -13.25], [-66.75, -13.35], [-66.68, -13.32], [-66.53, -12.97], [-66.0, -12.75], [-65.47, -12.97], [-65.32, -13.32], [-64.97, -13.47], [-64.75, -14.0], [-64.85, -14.25], [-64.75, -14.5], [-64.85, -14.75], [-64.82, -14.82], [-64.75, -14.85], [-64.5, -14.75], [-63.97, -14.97], [-63.75, -15.5], [-63.97, -16.03], [-64.5, -16.25], [-64.75, -16.15], [-65.0, -16.25], [-65.25, -16.15], [-65.5, -16.25], [-65.75, -16.15], [-66.0, -16.25], [-66.25, -16.15], [-66.5, -16.25], [-67.03, -16.03], [-67.25, -15.5], [-67.15, -15.25], [-67.18, -15.18], [-67.53, -15.03], [-67.75, -14.5], [-67.65, -14.25], [-67.75, -14.0], [-67.53, -13.47], [-67.0, -13.25]]]]}}, "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": {"2025-01-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.75, -14.0], [-67.52999999999997, -13.47], [-67.0, -13.25], [-66.75, -13.35], [-66.68, -13.32], [-66.52999999999997, -12.97], [-66.0, -12.75], [-65.47000000000003, -12.97], [-65.32, -13.32], [-64.97000000000003, -13.47], [-64.75, -14.0], [-64.85000000000002, -14.25], [-64.75, -14.5], [-64.85000000000002, -14.75], [-64.82, -14.82], [-64.75, -14.85], [-64.5, -14.75], [-63.97000000000003, -14.97], [-63.75, -15.5], [-63.97000000000003, -16.03], [-64.5, -16.25], [-64.75, -16.15], [-65.0, -16.25], [-65.25, -16.15], [-65.5, -16.25], [-65.75, -16.15], [-66.0, -16.25], [-66.25, -16.15], [-66.5, -16.25], [-67.02999999999997, -16.03], [-67.25, -15.5], [-67.14999999999998, -15.25], [-67.18, -15.18], [-67.52999999999997, -15.03], [-67.75, -14.5], [-67.64999999999998, -14.25], [-67.75, -14.0]]]]}, "2025-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.75, -14.0], [-67.52999999999997, -13.47], [-67.0, -13.25], [-66.75, -13.35], [-66.68, -13.32], [-66.52999999999997, -12.97], [-66.0, -12.75], [-65.47000000000003, -12.97], [-65.32, -13.32], [-64.97000000000003, -13.47], [-64.75, -14.0], [-64.85000000000002, -14.25], [-64.75, -14.5], [-64.85000000000002, -14.75], [-64.82, -14.82], [-64.75, -14.85], [-64.5, -14.75], [-63.97000000000003, -14.97], [-63.75, -15.5], [-63.97000000000003, -16.03], [-64.5, -16.25], [-64.75, -16.15], [-65.0, -16.25], [-65.25, -16.15], [-65.5, -16.25], [-65.75, -16.15], [-66.0, -16.25], [-66.25, -16.15], [-66.5, -16.25], [-67.02999999999997, -16.03], [-67.25, -15.5], [-67.14999999999998, -15.25], [-67.18, -15.18], [-67.52999999999997, -15.03], [-67.75, -14.5], [-67.64999999999998, -14.25], [-67.75, -14.0]]]]}, "2025-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-67.75, -14.0], [-67.52999999999997, -13.47], [-67.0, -13.25], [-66.75, -13.35], [-66.68, -13.32], [-66.52999999999997, -12.97], [-66.0, -12.75], [-65.47000000000003, -12.97], [-65.32, -13.32], [-64.97000000000003, -13.47], [-64.75, -14.0], [-64.85000000000002, -14.25], [-64.75, -14.5], [-64.85000000000002, -14.75], [-64.82, -14.82], [-64.75, -14.85], [-64.5, -14.75], [-63.97000000000003, -14.97], [-63.75, -15.5], [-63.97000000000003, -16.03], [-64.5, -16.25], [-64.75, -16.15], [-65.0, -16.25], [-65.25, -16.15], [-65.5, -16.25], [-65.75, -16.15], [-66.0, -16.25], [-66.25, -16.15], [-66.5, -16.25], [-67.02999999999997, -16.03], [-67.25, -15.5], [-67.14999999999998, -15.25], [-67.18, -15.18], [-67.52999999999997, -15.03], [-67.75, -14.5], [-67.64999999999998, -14.25], [-67.75, -14.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.8460716135666075}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.389968320154572}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.837156811882494, 29.232221296721832, 29.112858895694558]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.05608393351241, 29.619897460937523, 29.601092274983728]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.089296354067873, 2.5477844647850514, 2.5328241416107913]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.520125702812777, 2.8460716135666075, 2.8224238683749263]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.360400497678863, 1.6452637454730967, 1.65694159279361]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.53094131003645, 1.8758730890273245, 2.10708754012252]}}