{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:03.742749", "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": "2024-May-20_to_2024-May-23_294.0_-17.5"}, "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": 2024050001854}, "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": "May 20 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 23 2024"}, "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": 52488.05267829624}, "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": -17.5}, "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": 294.0}, "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": -22.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -17.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-66.65, -17.25], [-66.75, -17.0], [-66.53, -16.47], [-66.0, -16.25], [-65.47, -16.47], [-65.25, -17.0], [-65.35, -17.25], [-65.32, -17.32], [-64.97, -17.47], [-64.75, -18.0], [-64.85, -18.25], [-64.82, -18.32], [-64.75, -18.35], [-64.5, -18.25], [-63.97, -18.47], [-63.75, -19.0], [-63.85, -19.25], [-63.75, -19.5], [-63.97, -20.03], [-64.32, -20.18], [-64.35, -20.25], [-64.25, -20.5], [-64.35, -20.75], [-64.25, -21.0], [-64.35, -21.25], [-64.25, -21.5], [-64.47, -22.03], [-64.82, -22.18], [-64.97, -22.53], [-65.5, -22.75], [-66.03, -22.53], [-66.25, -22.0], [-66.03, -21.47], [-65.68, -21.32], [-65.65, -21.25], [-65.75, -21.0], [-65.65, -20.75], [-65.68, -20.68], [-66.03, -20.53], [-66.25, -20.0], [-66.15, -19.75], [-66.25, -19.5], [-66.15, -19.25], [-66.18, -19.18], [-66.53, -19.03], [-66.75, -18.5], [-66.65, -18.25], [-66.75, -18.0], [-66.65, -17.75], [-66.75, -17.5], [-66.65, -17.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon", "S.E.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.52999999999997, -16.97], [-66.0, -16.75], [-65.47000000000003, -16.97], [-65.25, -17.5], [-65.47000000000003, -18.03], [-66.0, -18.25], [-66.52999999999997, -18.03], [-66.75, -17.5], [-66.52999999999997, -16.97]]]]}, "2024-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -18.0], [-66.64999999999998, -17.75], [-66.75, -17.5], [-66.64999999999998, -17.25], [-66.75, -17.0], [-66.52999999999997, -16.47], [-66.0, -16.25], [-65.47000000000003, -16.47], [-65.25, -17.0], [-65.35000000000002, -17.25], [-65.32, -17.32], [-64.97000000000003, -17.47], [-64.75, -18.0], [-64.85000000000002, -18.25], [-64.82, -18.32], [-64.75, -18.35], [-64.5, -18.25], [-63.97000000000003, -18.47], [-63.75, -19.0], [-63.85000000000002, -19.25], [-63.75, -19.5], [-63.97000000000003, -20.03], [-64.32, -20.18], [-64.35000000000002, -20.25], [-64.25, -20.5], [-64.35000000000002, -20.75], [-64.25, -21.0], [-64.35000000000002, -21.25], [-64.25, -21.5], [-64.47000000000003, -22.03], [-64.82, -22.18], [-64.97000000000003, -22.53], [-65.5, -22.75], [-66.02999999999997, -22.53], [-66.25, -22.0], [-66.02999999999997, -21.47], [-65.68, -21.32], [-65.64999999999998, -21.25], [-65.75, -21.0], [-65.64999999999998, -20.75], [-65.68, -20.68], [-66.02999999999997, -20.53], [-66.25, -20.0], [-66.14999999999998, -19.75], [-66.25, -19.5], [-66.14999999999998, -19.25], [-66.18, -19.18], [-66.52999999999997, -19.03], [-66.75, -18.5], [-66.64999999999998, -18.25], [-66.75, -18.0]]]]}, "2024-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-66.75, -18.0], [-66.64999999999998, -17.75], [-66.75, -17.5], [-66.64999999999998, -17.25], [-66.75, -17.0], [-66.52999999999997, -16.47], [-66.0, -16.25], [-65.47000000000003, -16.47], [-65.25, -17.0], [-65.35000000000002, -17.25], [-65.32, -17.32], [-64.97000000000003, 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[[[[-66.75, -18.0], [-66.64999999999998, -17.75], [-66.75, -17.5], [-66.64999999999998, -17.25], [-66.75, -17.0], [-66.52999999999997, -16.47], [-66.0, -16.25], [-65.47000000000003, -16.47], [-65.25, -17.0], [-65.35000000000002, -17.25], [-65.32, -17.32], [-64.97000000000003, -17.47], [-64.75, -18.0], [-64.85000000000002, -18.25], [-64.82, -18.32], [-64.75, -18.35], [-64.5, -18.25], [-63.97000000000003, -18.47], [-63.75, -19.0], [-63.85000000000002, -19.25], [-63.75, -19.5], [-63.97000000000003, -20.03], [-64.32, -20.18], [-64.35000000000002, -20.25], [-64.25, -20.5], [-64.35000000000002, -20.75], [-64.25, -21.0], [-64.35000000000002, -21.25], [-64.25, -21.5], [-64.47000000000003, -22.03], [-64.82, -22.18], [-64.97000000000003, -22.53], [-65.5, -22.75], [-66.02999999999997, -22.53], [-66.25, -22.0], [-66.02999999999997, -21.47], [-65.68, -21.32], [-65.64999999999998, -21.25], [-65.75, -21.0], [-65.64999999999998, -20.75], [-65.68, -20.68], [-66.02999999999997, -20.53], [-66.25, -20.0], [-66.14999999999998, -19.75], [-66.25, -19.5], [-66.14999999999998, -19.25], [-66.18, -19.18], [-66.52999999999997, -19.03], [-66.75, -18.5], [-66.64999999999998, -18.25], [-66.75, -18.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.626953624478176}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.730527372617312}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.3008772607256, 13.954668339572379, 14.169800528154894, 14.29869719963608]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.3008772607256, 17.368693247371652, 17.853203990620102, 18.223859140951674]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4978436778351352, 2.5452876932935737, 2.7682720148700324, 2.946504837176229]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4978436778351352, 4.548191366104504, 3.5097821040287727, 5.626953624478176]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6244805901282695, 1.5948512228594782, 1.7254215496785184, 1.7695538500605474]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6244805901282695, 2.043601978053261, 2.3938436176280895, 2.385183751718625]}}