{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:24:16.205196", "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-Oct-28_to_2022-Oct-31_312.5_-8.0"}, "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": 2022100002804}, "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 28 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 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": 107463.33677772412}, "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": -8.0}, "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": 312.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "312.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 308.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 314.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-51.5, -5.25], [-51.0, -5.46], [-50.68, -5.32], [-50.53, -4.97], [-50.0, -4.75], [-49.75, -4.85], [-49.68, -4.82], [-49.53, -4.47], [-49.0, -4.25], [-48.47, -4.47], [-48.32, -4.82], [-48.25, -4.85], [-48.0, -4.75], [-47.75, -4.85], [-47.5, -4.75], [-46.97, -4.97], [-46.82, -5.32], [-46.75, -5.35], [-46.5, -5.25], [-45.97, -5.47], [-45.82, -5.82], [-45.47, -5.97], [-45.25, -6.5], [-45.47, -7.03], [-46.0, -7.25], [-46.25, -7.15], [-46.32, -7.18], [-46.35, -7.25], [-46.25, -7.5], [-46.35, -7.75], [-46.25, -8.0], [-46.35, -8.25], [-46.25, -8.5], [-46.47, -9.03], [-47.0, -9.25], [-47.25, -9.15], [-47.5, -9.25], [-48.03, -9.03], [-48.18, -8.68], [-48.53, -8.53], [-48.75, -8.0], [-48.65, -7.75], [-48.68, -7.68], [-48.75, -7.65], [-49.0, -7.75], [-49.53, -7.53], [-49.75, -7.0], [-49.54, -6.5], [-49.68, -6.18], [-49.75, -6.15], [-49.82, -6.18], [-49.97, -6.53], [-50.32, -6.68], [-50.47, -7.03], [-51.0, -7.25], [-51.53, -7.03], [-51.68, -6.68], [-52.03, -6.53], [-52.25, -6.0], [-52.03, -5.47], [-51.5, -5.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.South-America", "N.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-47.5, -8.75], [-48.02999999999997, -8.53], [-48.25, -8.0], [-48.02999999999997, -7.47], [-47.5, -7.25], [-46.97000000000003, -7.47], [-46.75, -8.0], [-46.97000000000003, -8.53], [-47.5, -8.75]]], [[[-49.75, -5.5], [-49.52999999999997, -4.97], [-49.0, -4.75], [-48.47000000000003, -4.97], [-48.31999999999999, -5.32], [-47.97000000000003, -5.47], [-47.75, -6.0], [-47.97000000000003, -6.53], [-48.5, -6.75], [-49.02999999999997, -6.53], [-49.18000000000001, -6.18], [-49.52999999999997, -6.03], [-49.75, -5.5]]]]}, "2022-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-52.02999999999997, -6.53], [-52.25, -6.0], [-52.02999999999997, -5.47], [-51.5, -5.25], [-51.0, -5.46], [-50.68000000000001, -5.32], 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30.884644729849242]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5837436479814642, 2.0107051783643457, 2.4480884073301645, 2.323607477570962]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9862643392506243, 2.901960602861209, 4.012486808669053, 3.262652985413297]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3495696094140597, 1.664827492355251, 2.0254651743909062, 1.9415047259423879]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4830840986133298, 2.260991822924026, 3.2157948864309054, 2.6274495582790105]}}