{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:33.697546", "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-May-27_to_2012-May-29_299.0_-1.0"}, "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": 2012050002920}, "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 27 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 29 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": 52545.969892022666}, "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": ["Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": -1.0}, "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": 297.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 300.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.75, 0.0], [-62.53, 0.53], [-62.0, 0.75], [-61.75, 0.65], [-61.5, 0.75], [-61.25, 0.65], [-61.18, 0.68], [-61.03, 1.03], [-60.5, 1.25], [-60.25, 1.15], [-60.18, 1.18], [-60.03, 1.53], [-59.5, 1.75], [-58.97, 1.53], [-58.75, 1.0], [-58.85, 0.75], [-58.75, 0.5], [-58.85, 0.25], [-58.75, 0.0], [-58.85, -0.25], [-58.75, -0.5], [-58.97, -1.03], [-59.5, -1.25], [-59.75, -1.15], [-59.82, -1.18], [-59.97, -1.53], [-60.5, -1.75], [-60.75, -1.65], [-61.0, -1.75], [-61.53, -1.53], [-61.68, -1.18], [-62.03, -1.03], [-62.18, -0.68], [-62.53, -0.53], [-62.75, 0.0]]]]}, "2012-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.75, 0.0], [-62.53, 0.53], [-62.0, 0.75], [-61.75, 0.65], [-61.5, 0.75], [-61.25, 0.65], [-61.18, 0.68], [-61.03, 1.03], [-60.5, 1.25], [-60.25, 1.15], [-60.18, 1.18], [-60.03, 1.53], [-59.5, 1.75], [-58.97, 1.53], [-58.75, 1.0], [-58.85, 0.75], [-58.75, 0.5], [-58.85, 0.25], [-58.75, 0.0], [-58.85, -0.25], [-58.75, -0.5], [-58.97, -1.03], [-59.5, -1.25], [-59.75, -1.15], [-59.82, -1.18], [-59.97, -1.53], [-60.5, -1.75], [-60.75, -1.65], [-61.0, -1.75], [-61.53, -1.53], [-61.68, -1.18], [-62.03, -1.03], [-62.18, -0.68], [-62.53, -0.53], [-62.75, 0.0]]]]}, "2012-05-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-62.75, 0.0], [-62.53, 0.53], [-62.0, 0.75], [-61.75, 0.65], [-61.5, 0.75], [-61.25, 0.65], [-61.18, 0.68], [-61.03, 1.03], [-60.5, 1.25], [-60.25, 1.15], [-60.18, 1.18], [-60.03, 1.53], [-59.5, 1.75], [-58.97, 1.53], [-58.75, 1.0], [-58.85, 0.75], [-58.75, 0.5], [-58.85, 0.25], [-58.75, 0.0], [-58.85, -0.25], [-58.75, -0.5], [-58.97, -1.03], [-59.5, -1.25], [-59.75, -1.15], [-59.82, -1.18], [-59.97, -1.53], [-60.5, -1.75], [-60.75, -1.65], [-61.0, -1.75], [-61.53, -1.53], [-61.68, -1.18], [-62.03, -1.03], [-62.18, -0.68], [-62.53, -0.53], [-62.75, 0.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2118793235633802}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.631049902343348}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.762895757115814, 27.131746387731255, 26.942459319862905]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.172010581435586, 27.66357203567071, 27.329920682583577]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4065170577933472, 1.8161118586151588, 1.6705207906215378]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6600545234670108, 2.2118793235633802, 1.9201350455664965]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6022144118914998, 2.070740468141539, 2.0102498348942444]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8913664771559586, 2.446764499960538, 2.4296745399105566]}}