{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:03.709135", "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-Jul-28_to_2022-Jul-31_294.0_0.0"}, "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": 2022070002951}, "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": "July 28 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 31 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": 55631.16361612105}, "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": 0.0}, "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": 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": 291.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 294.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -2.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-68.5, 0.75], [-68.25, 0.65], [-68.0, 0.75], [-67.75, 0.65], [-67.5, 0.75], [-67.25, 0.65], [-67.18, 0.68], [-67.03, 1.03], [-66.5, 1.25], [-65.97, 1.03], [-65.82, 0.68], [-65.47, 0.53], [-65.25, 0.0], [-65.47, -0.53], [-65.82, -0.68], [-65.85, -0.75], [-65.75, -1.0], [-65.87, -1.3], [-65.47, -1.47], [-65.25, -2.0], [-65.47, -2.53], [-66.0, -2.75], [-66.25, -2.65], [-66.5, -2.75], [-67.03, -2.53], [-67.18, -2.18], [-67.25, -2.15], [-67.5, -2.25], [-68.03, -2.03], [-68.18, -1.68], [-68.53, -1.53], [-68.75, -1.0], [-68.62, -0.7], [-69.03, -0.53], [-69.25, 0.0], [-69.03, 0.53], [-68.5, 0.75]]]]}}, "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": {"2022-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.52999999999997, 0.53], [-66.0, 0.75], [-65.47000000000003, 0.53], [-65.25, 0.0], [-65.47000000000003, -0.53], [-66.0, -0.75], [-66.52999999999997, -0.53], [-66.75, 0.0], [-66.52999999999997, 0.53]]]]}, "2022-07-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.02999999999997, -0.53], [-69.25, 0.0], [-69.02999999999997, 0.53], [-68.5, 0.75], [-68.25, 0.65], [-68.0, 0.75], [-67.75, 0.65], [-67.5, 0.75], [-67.25, 0.65], [-67.18, 0.68], [-67.02999999999997, 1.03], [-66.5, 1.25], [-65.97000000000003, 1.03], [-65.82, 0.68], [-65.47000000000003, 0.53], [-65.25, 0.0], [-65.47000000000003, -0.53], [-65.82, -0.68], [-65.85000000000002, -0.75], [-65.75, -1.0], [-65.87, -1.3], [-65.47000000000003, -1.47], [-65.25, -2.0], [-65.47000000000003, -2.53], [-66.0, -2.75], [-66.25, -2.65], [-66.5, -2.75], [-67.02999999999997, -2.53], [-67.18, -2.18], [-67.25, -2.15], [-67.5, -2.25], [-68.02999999999997, -2.03], [-68.18, -1.68], [-68.52999999999997, -1.53], [-68.75, -1.0], [-68.62, -0.7], [-69.02999999999997, -0.53]]]]}, "2022-07-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.02999999999997, -0.53], [-69.25, 0.0], [-69.02999999999997, 0.53], [-68.5, 0.75], [-68.25, 0.65], [-68.0, 0.75], [-67.75, 0.65], [-67.5, 0.75], [-67.25, 0.65], [-67.18, 0.68], [-67.02999999999997, 1.03], [-66.5, 1.25], [-65.97000000000003, 1.03], [-65.82, 0.68], [-65.47000000000003, 0.53], [-65.25, 0.0], [-65.47000000000003, -0.53], [-65.82, -0.68], [-65.85000000000002, -0.75], [-65.75, -1.0], [-65.87, -1.3], [-65.47000000000003, -1.47], [-65.25, -2.0], [-65.47000000000003, -2.53], [-66.0, -2.75], [-66.25, -2.65], [-66.5, -2.75], [-67.02999999999997, -2.53], [-67.18, -2.18], [-67.25, -2.15], [-67.5, -2.25], [-68.02999999999997, -2.03], [-68.18, -1.68], [-68.52999999999997, -1.53], [-68.75, -1.0], [-68.62, -0.7], [-69.02999999999997, -0.53]]]]}, "2022-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-69.02999999999997, -0.53], [-69.25, 0.0], [-69.02999999999997, 0.53], [-68.5, 0.75], [-68.25, 0.65], [-68.0, 0.75], [-67.75, 0.65], [-67.5, 0.75], [-67.25, 0.65], [-67.18, 0.68], [-67.02999999999997, 1.03], [-66.5, 1.25], [-65.97000000000003, 1.03], [-65.82, 0.68], [-65.47000000000003, 0.53], [-65.25, 0.0], [-65.47000000000003, -0.53], [-65.82, -0.68], [-65.85000000000002, -0.75], [-65.75, -1.0], [-65.87, -1.3], [-65.47000000000003, -1.47], [-65.25, -2.0], [-65.47000000000003, -2.53], [-66.0, -2.75], [-66.25, -2.65], [-66.5, -2.75], [-67.02999999999997, -2.53], [-67.18, -2.18], [-67.25, -2.15], [-67.5, -2.25], [-68.02999999999997, -2.03], [-68.18, -1.68], [-68.52999999999997, -1.53], [-68.75, -1.0], [-68.62, -0.7], [-69.02999999999997, -0.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6938244092845594}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.247114562873348}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.953506763913822, 26.160396759924993, 26.248576140662124, 26.45046145814564]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.953506763913822, 27.00314149569641, 27.057806601912603, 27.060636895873415]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0226981129263777, 1.1921190428214805, 1.2211032080398607, 1.340589018311312]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0226981129263777, 1.5436621817714808, 1.4194497137197004, 1.6938244092845594]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2778741403014544, 1.5589608478078887, 1.5913356451077187, 1.702378741652649]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2778741403014544, 2.0620052450990367, 1.885436686018236, 2.1788620864499855]}}