{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:29.216347", "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": "2012-Jan-12_to_2012-Jan-14_280.5_-47.5"}, "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": 2012010002226}, "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 12 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 14 2012"}, "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": 115194.50703006922}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Pacific-Ocean", "S.South-America", "S.W.South-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South 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": ["South 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": -47.5}, "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": 280.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "280.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 278.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 285.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -49.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -45.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-81.53, -47.53], [-81.75, -47.0], [-81.53, -46.47], [-81.0, -46.25], [-80.75, -46.35], [-80.5, -46.25], [-80.25, -46.35], [-80.0, -46.25], [-79.75, -46.35], [-79.5, -46.25], [-79.25, -46.35], [-79.0, -46.25], [-78.75, -46.35], [-78.68, -46.32], [-78.65, -46.25], [-78.75, -46.0], [-78.53, -45.47], [-78.18, -45.32], [-78.03, -44.97], [-77.5, -44.75], [-77.25, -44.85], [-77.0, -44.75], [-76.75, -44.85], [-76.5, -44.75], [-76.25, -44.85], [-76.0, -44.75], [-75.47, -44.97], [-75.32, -45.32], [-74.97, -45.47], [-74.75, -46.0], [-74.96, -46.5], [-74.82, -46.82], [-74.47, -46.97], [-74.25, -47.5], [-74.47, -48.03], [-74.82, -48.18], [-74.85, -48.25], [-74.75, -48.5], [-74.85, -48.75], [-74.75, -49.0], [-74.85, -49.25], [-74.75, -49.5], [-74.97, -50.03], [-75.5, -50.25], [-75.75, -50.15], [-76.0, -50.25], [-76.53, -50.03], [-76.68, -49.68], [-76.75, -49.65], [-77.0, -49.75], [-77.25, -49.65], [-77.5, -49.75], [-78.03, -49.53], [-78.18, -49.18], [-78.25, -49.15], [-78.5, -49.25], [-79.03, -49.03], [-79.18, -48.68], [-79.53, -48.53], [-79.68, -48.18], [-79.75, -48.15], [-80.0, -48.25], [-80.53, -48.03], [-80.68, -47.68], [-80.75, -47.65], [-81.0, -47.75], [-81.53, -47.53]], [[-77.18, -48.32], [-77.12, -48.2], [-77.25, -48.15], [-77.32, -48.18], [-77.35, -48.25], [-77.32, -48.32], [-77.25, -48.35], [-77.18, -48.32]]]]}, "2012-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-81.53, -47.53], [-81.75, -47.0], [-81.53, -46.47], [-81.0, -46.25], [-80.75, -46.35], [-80.5, -46.25], [-80.25, -46.35], [-80.0, -46.25], [-79.75, -46.35], [-79.5, -46.25], [-79.25, -46.35], [-79.0, -46.25], [-78.75, -46.35], [-78.68, -46.32], [-78.65, -46.25], [-78.75, -46.0], [-78.53, -45.47], [-78.18, -45.32], [-78.03, -44.97], [-77.5, -44.75], [-77.25, -44.85], [-77.0, -44.75], [-76.75, -44.85], [-76.5, -44.75], [-76.25, -44.85], [-76.0, -44.75], [-75.47, -44.97], [-75.32, -45.32], [-74.97, -45.47], [-74.75, -46.0], [-74.96, -46.5], [-74.82, -46.82], [-74.47, -46.97], [-74.25, -47.5], [-74.47, -48.03], [-74.82, -48.18], [-74.85, -48.25], [-74.75, -48.5], [-74.85, -48.75], [-74.75, -49.0], [-74.85, -49.25], [-74.75, -49.5], [-74.97, -50.03], [-75.5, -50.25], [-75.75, -50.15], [-76.0, -50.25], [-76.53, -50.03], [-76.68, -49.68], [-76.75, -49.65], [-77.0, -49.75], [-77.25, -49.65], [-77.5, -49.75], [-78.03, -49.53], [-78.18, -49.18], [-78.25, -49.15], [-78.5, -49.25], [-79.03, -49.03], [-79.18, -48.68], [-79.53, -48.53], [-79.68, -48.18], [-79.75, -48.15], [-80.0, -48.25], [-80.53, -48.03], [-80.68, -47.68], [-80.75, -47.65], [-81.0, -47.75], [-81.53, -47.53]], [[-77.18, -48.32], [-77.12, -48.2], [-77.25, -48.15], [-77.32, -48.18], [-77.35, -48.25], [-77.32, -48.32], [-77.25, -48.35], [-77.18, -48.32]]]]}, "2012-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-81.53, -47.53], [-81.75, -47.0], [-81.53, -46.47], [-81.0, -46.25], [-80.75, -46.35], [-80.5, -46.25], [-80.25, -46.35], [-80.0, -46.25], [-79.75, -46.35], [-79.5, -46.25], [-79.25, -46.35], [-79.0, -46.25], [-78.75, -46.35], [-78.68, -46.32], 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-48.18], [-77.35, -48.25], [-77.32, -48.32], [-77.25, -48.35], [-77.18, -48.32]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2753368171576653}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.501952616696371}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.489700205659801, 12.662731932185068, 12.620784037739952]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.791877775640614, 14.062995084622514, 13.68098739144483]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4299353229323741, 1.5811730850358479, 1.4947494421208913]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7300061970731235, 2.175642029299695, 2.2753368171576653]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4531546909331108, 1.660143634477525, 1.5663171777315639]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6678053839503046, 1.912302501037874, 1.8352351726302327]}}