{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:48.550160", "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": "2016-Dec-01_to_2016-Dec-05_299.5_-35.5"}, "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": 2016120000931}, "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": "December 01 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 05 2016"}, "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": 55672.12479921803}, "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": ["Argentina"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.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": ["Rio de La Plata"]}, "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": -35.5}, "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": 299.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "299.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 298.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 302.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -36.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -33.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.25, -35.0], [-62.03, -34.47], [-61.5, -34.25], [-61.25, -34.35], [-61.0, -34.25], [-60.75, -34.35], [-60.5, -34.25], [-60.25, -34.35], [-60.0, -34.25], [-59.75, -34.35], [-59.5, -34.25], [-58.97, -34.47], [-58.82, -34.82], [-58.47, -34.97], [-58.25, -35.5], [-58.47, -36.03], [-58.82, -36.18], [-58.97, -36.53], [-59.5, -36.75], [-59.75, -36.65], [-60.0, -36.75], [-60.53, -36.53], [-60.68, -36.18], [-60.75, -36.15], [-61.0, -36.25], [-61.53, -36.03], [-61.68, -35.68], [-62.03, -35.53], [-62.25, -35.0]]]]}, "2016-12-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.25, -35.0], [-62.03, -34.47], [-61.68, -34.32], [-61.65, -34.25], [-61.75, -34.0], [-61.53, -33.47], [-61.0, -33.25], [-60.47, -33.47], [-60.32, -33.82], [-60.25, -33.85], [-60.0, -33.75], [-59.75, -33.85], [-59.5, -33.75], [-59.0, -33.96], [-58.5, -33.75], [-58.25, -33.85], [-58.0, -33.75], [-57.47, -33.97], [-57.25, -34.5], [-57.47, -35.03], [-57.82, -35.18], [-57.85, -35.25], [-57.75, -35.5], [-57.97, -36.03], [-58.5, -36.25], [-58.75, -36.15], [-58.82, -36.18], [-58.97, -36.53], [-59.5, -36.75], [-59.75, -36.65], [-60.0, -36.75], [-60.53, -36.53], [-60.68, -36.18], [-60.75, -36.15], [-61.0, -36.25], [-61.53, -36.03], [-61.68, -35.68], [-62.03, -35.53], [-62.25, -35.0]]]]}, "2016-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.25, -35.0], [-62.03, -34.47], [-61.68, -34.32], [-61.65, -34.25], [-61.75, -34.0], [-61.53, -33.47], [-61.0, -33.25], [-60.47, -33.47], [-60.32, -33.82], [-60.25, -33.85], [-60.0, -33.75], [-59.75, -33.85], [-59.5, -33.75], [-59.0, -33.96], [-58.5, -33.75], [-58.25, -33.85], [-58.0, -33.75], [-57.47, -33.97], [-57.25, -34.5], [-57.47, -35.03], [-57.82, -35.18], [-57.85, -35.25], [-57.75, -35.5], [-57.97, -36.03], [-58.5, -36.25], [-58.75, -36.15], [-58.82, -36.18], [-58.97, -36.53], [-59.5, -36.75], [-59.75, -36.65], [-60.0, -36.75], [-60.53, -36.53], [-60.68, -36.18], [-60.75, -36.15], [-61.0, -36.25], [-61.53, -36.03], [-61.68, -35.68], [-62.03, -35.53], [-62.25, -35.0]]]]}, "2016-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.25, -35.0], [-62.03, -34.47], [-61.68, -34.32], [-61.65, -34.25], [-61.75, -34.0], [-61.53, -33.47], [-61.0, -33.25], [-60.47, -33.47], [-60.32, -33.82], [-60.25, -33.85], [-60.0, -33.75], [-59.75, -33.85], [-59.5, -33.75], [-59.0, -33.96], [-58.5, -33.75], [-58.25, -33.85], [-58.0, -33.75], [-57.47, -33.97], [-57.25, -34.5], [-57.47, -35.03], [-57.82, -35.18], [-57.85, -35.25], [-57.75, -35.5], [-57.97, -36.03], [-58.5, -36.25], [-58.75, -36.15], [-58.82, -36.18], [-58.97, -36.53], [-59.5, -36.75], [-59.75, -36.65], [-60.0, -36.75], [-60.53, -36.53], [-60.68, -36.18], [-60.75, -36.15], [-61.0, -36.25], [-61.53, -36.03], [-61.68, -35.68], [-62.03, -35.53], [-62.25, -35.0]]]]}, "2016-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-59.03, -35.03], [-59.25, -34.5], [-59.03, -33.97], [-58.5, -33.75], [-58.25, -33.85], [-58.0, -33.75], [-57.47, -33.97], [-57.25, -34.5], [-57.47, -35.03], [-58.0, -35.25], [-58.25, -35.15], [-58.5, -35.25], [-59.03, -35.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.331978133972484}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.727550128424748}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.81671299064169, 25.904975441503097, 24.993906174802476, 25.435367828554263, 24.547278916920448]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.175685223289918, 27.133354266480467, 26.212621308828318, 26.547959958461945, 24.64593368839263]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.39912066024948, 5.365988150439524, 4.406583425868604, 4.708279730400312, 3.4179168017002155]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.149440123311479, 7.331978133972484, 5.212901296336497, 5.706933700826369, 3.443588831803936]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5183545072762954, 1.7974514417772556, 1.502746203778498, 1.6118934941372325, 1.4168958408278267]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7404031613957158, 2.343321277659034, 1.766625013400314, 1.9310546060514817, 1.4958918958630136]}}