{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:08.763559", "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": "2010-Feb-10_to_2010-Feb-14_299.0_-25.0"}, "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": 2010020001451}, "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": "February 10 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 14 2010"}, "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": 99927.92078621719}, "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", "Paraguay"]}, "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": []}, "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": -25.0}, "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": 299.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "299.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 296.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 303.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.0, -24.25], [-60.47, -24.47], [-60.25, -25.0], [-60.47, -25.53], [-61.0, -25.75], [-61.53, -25.53], [-61.75, -25.0], [-61.53, -24.47], [-61.0, -24.25]]]]}, "2010-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.53, -24.47], [-61.0, -24.25], [-60.47, -24.47], [-60.25, -25.0], [-60.35, -25.25], [-60.32, -25.32], [-60.0, -25.46], [-59.5, -25.25], [-59.25, -25.35], [-59.0, -25.25], [-58.75, -25.35], [-58.5, -25.25], [-58.25, -25.35], [-58.0, -25.25], [-57.75, -25.35], [-57.5, -25.25], [-56.97, -25.47], [-56.82, -25.82], [-56.47, -25.97], [-56.25, -26.5], [-56.47, -27.03], [-57.0, -27.25], [-57.25, -27.15], [-57.5, -27.25], [-57.75, -27.15], [-58.0, -27.25], [-58.5, -27.04], [-59.0, -27.25], [-59.25, -27.15], [-59.32, -27.18], [-59.47, -27.53], [-60.0, -27.75], [-60.25, -27.65], [-60.5, -27.75], [-61.03, -27.53], [-61.18, -27.18], [-61.53, -27.03], [-61.75, -26.5], [-61.54, -26.0], [-61.75, -25.5], [-61.65, -25.25], [-61.75, -25.0], [-61.53, -24.47]]]]}, "2010-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, -26.0], [-63.53, -25.47], [-63.18, -25.32], [-63.03, -24.97], [-62.62, -24.8], [-62.75, -24.5], [-62.53, -23.97], [-62.0, -23.75], [-61.47, -23.97], [-61.32, -24.32], [-61.25, -24.35], [-61.0, -24.25], [-60.75, -24.35], [-60.5, -24.25], [-59.97, -24.47], [-59.75, -25.0], [-59.85, -25.25], [-59.8, -25.38], [-59.5, -25.25], [-59.25, -25.35], [-59.0, -25.25], [-58.75, -25.35], [-58.5, -25.25], [-58.25, -25.35], [-58.0, -25.25], [-57.75, -25.35], [-57.5, -25.25], [-56.97, -25.47], [-56.82, -25.82], [-56.47, -25.97], [-56.25, -26.5], [-56.47, -27.03], [-57.0, -27.25], [-57.25, -27.15], [-57.5, -27.25], [-57.75, -27.15], [-58.0, -27.25], [-58.5, -27.04], [-59.0, -27.25], [-59.25, -27.15], [-59.32, -27.18], [-59.47, -27.53], [-60.0, -27.75], [-60.25, -27.65], [-60.5, -27.75], [-60.75, -27.65], [-61.0, -27.75], [-61.25, -27.65], [-61.5, -27.75], [-61.75, -27.65], [-62.0, -27.75], [-62.53, -27.53], [-62.68, -27.18], [-63.03, -27.03], [-63.18, -26.68], [-63.53, -26.53], [-63.75, -26.0]]]]}, "2010-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-63.75, -26.0], [-63.53, -25.47], [-63.18, -25.32], [-63.03, -24.97], [-62.62, -24.8], [-62.75, -24.5], [-62.53, -23.97], [-62.0, -23.75], [-61.47, -23.97], [-61.32, -24.32], [-61.25, -24.35], [-61.0, -24.25], [-60.75, -24.35], [-60.5, -24.25], [-59.97, -24.47], [-59.75, -25.0], [-59.85, -25.25], [-59.8, -25.38], [-59.5, -25.25], [-59.25, -25.35], [-59.0, -25.25], [-58.75, -25.35], [-58.5, -25.25], [-58.25, -25.35], [-58.0, -25.25], [-57.75, -25.35], [-57.5, -25.25], [-56.97, -25.47], [-56.82, -25.82], [-56.47, -25.97], [-56.25, -26.5], [-56.47, -27.03], [-57.0, -27.25], [-57.25, -27.15], [-57.5, -27.25], [-57.75, -27.15], [-58.0, -27.25], [-58.5, -27.04], [-59.0, -27.25], [-59.25, -27.15], [-59.32, -27.18], [-59.47, -27.53], [-60.0, -27.75], [-60.25, -27.65], [-60.5, -27.75], [-60.75, -27.65], [-61.0, -27.75], [-61.25, -27.65], [-61.5, -27.75], [-61.75, -27.65], [-62.0, -27.75], 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recorded over entire duration", "value": 7.676905622882089}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.745694673186904}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.438382360450703, 30.519337121111278, 31.15900595657655, 31.715331167617762, 30.557005748458778]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.438382360450703, 31.362669153361765, 31.998340275872465, 34.108159359729655, 31.793309745380952]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.254738887758776, 4.053643347527608, 4.798576869589843, 5.422925756613718, 4.251761398128548]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.254738887758776, 4.682903194420533, 5.548929328272891, 7.676905622882089, 5.266600221343481]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3971609297356575, 1.5731104791052675, 1.8636684399438832, 2.11810221667227, 1.5606056381496787]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3971609297356575, 1.9079640685639208, 2.3883577804801224, 2.511376193693113, 1.7981805153720678]}}