{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:20:29.756657", "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-May-16_to_2022-May-20_284.5_-50.5"}, "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": 2022050002241}, "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 16 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 20 2022"}, "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": 62339.0956130044}, "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": ["Chile"]}, "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": ["Pacific Ocean"]}, "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": -50.5}, "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": 284.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "284.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 283.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 287.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -55.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -50.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-77.15, -51.25], [-77.25, -51.0], [-77.03, -50.47], [-76.68, -50.32], [-76.53, -49.97], [-76.18, -49.82], [-76.03, -49.47], [-75.5, -49.25], [-74.97, -49.47], [-74.75, -50.0], [-74.85, -50.25], [-74.82, -50.32], [-74.47, -50.47], [-74.25, -51.0], [-74.35, -51.25], [-74.32, -51.32], [-74.25, -51.35], [-74.0, -51.25], [-73.47, -51.47], [-73.25, -52.0], [-73.46, -52.5], [-73.25, -53.0], [-73.35, -53.25], [-73.25, -53.5], [-73.35, -53.75], [-73.32, -53.82], [-72.97, -53.97], [-72.82, -54.32], [-72.47, -54.47], [-72.25, -55.0], [-72.47, -55.53], [-73.0, -55.75], [-73.25, -55.65], [-73.5, -55.75], [-74.03, -55.53], [-74.25, -55.0], [-74.15, -54.75], [-74.18, -54.68], [-74.53, -54.53], [-74.68, -54.18], [-74.75, -54.15], [-75.0, -54.25], [-75.53, -54.03], [-75.68, -53.68], [-76.03, -53.53], [-76.18, -53.18], [-76.25, -53.15], [-76.5, -53.25], [-77.03, -53.03], [-77.25, -52.5], [-77.15, -52.25], [-77.25, -52.0], [-77.15, -51.75], [-77.25, -51.5], [-77.15, -51.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.South-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.75, -50.5], [-76.52999999999997, -49.97], [-76.18, -49.82], [-76.02999999999997, -49.47], [-75.5, -49.25], [-74.97000000000003, -49.47], [-74.75, -50.0], [-74.85000000000002, -50.25], [-74.82, -50.32], [-74.47000000000003, -50.47], [-74.25, -51.0], [-74.35000000000002, -51.25], [-74.32, -51.32], [-74.25, -51.35], [-74.0, -51.25], [-73.47000000000003, -51.47], [-73.25, -52.0], [-73.45999999999998, -52.5], [-73.25, -53.0], [-73.47000000000003, -53.53], [-74.0, -53.75], [-74.52999999999997, -53.53], [-74.68, -53.18], [-74.75, -53.15], [-75.0, -53.25], [-75.52999999999997, -53.03], [-75.68, -52.68], [-75.75, -52.65], [-76.0, -52.75], [-76.52999999999997, -52.53], [-76.75, -52.0], [-76.54000000000002, -51.5], [-76.75, -51.0], [-76.64999999999998, -50.75], [-76.75, -50.5]]]]}, 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recorded over entire duration", "value": 3.333084170708389}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.494053027502682}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.624944063280736, 9.603419857278311, 9.226409521526818, 9.299621090429184, 9.104287298403904]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [10.93700830719996, 10.808158571781178, 10.175477451981521, 10.566926804036314, 10.125833351926133]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.4477429471511485, 2.508376692617769, 2.4253784833325756, 2.611427113274328, 2.4584517158162873]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.333084170708389, 3.251923141657244, 3.1291011794032215, 3.079074701646391, 3.265166963635977]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5557493308767147, 1.6348984844211547, 1.6301069721860555, 1.750951787693006, 1.605537374476626]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8520085744280461, 1.8939150814380372, 1.9565650039001736, 2.257445078023757, 1.856462701931106]}}