{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:25:28.745442", "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-Dec-02_to_2022-Dec-08_249.5_23.5"}, "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": 2022120001742}, "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 02 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 08 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 67610.36333317154}, "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": ["Mexico"]}, "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": 23.5}, "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": 249.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "249.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 247.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 251.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-111.75, 23.5], [-111.65, 23.75], [-111.75, 24.0], [-111.65, 24.25], [-111.68, 24.32], [-112.03, 24.47], [-112.25, 25.0], [-112.15, 25.25], [-112.18, 25.32], [-112.53, 25.47], [-112.68, 25.82], [-113.03, 25.97], [-113.25, 26.5], [-113.15, 26.75], [-113.25, 27.0], [-113.03, 27.53], [-112.5, 27.75], [-111.97, 27.53], [-111.82, 27.18], [-111.47, 27.03], [-111.32, 26.68], [-110.97, 26.53], [-110.75, 26.0], [-110.85, 25.75], [-110.82, 25.68], [-110.47, 25.53], [-110.32, 25.18], [-109.97, 25.03], [-109.82, 24.68], [-109.47, 24.53], [-109.32, 24.18], [-108.97, 24.03], [-108.82, 23.68], [-108.47, 23.53], [-108.25, 23.0], [-108.47, 22.47], [-109.0, 22.25], [-109.25, 22.35], [-109.32, 22.32], [-109.47, 21.97], [-110.0, 21.75], [-110.25, 21.85], [-110.5, 21.75], [-111.03, 21.97], [-111.18, 22.32], [-111.53, 22.47], [-111.75, 23.0], [-111.65, 23.25], [-111.75, 23.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Central-America", "N.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event 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"anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0573744790231103, 5.112790105455247, 5.473297546166236, 4.6583782279884645, 4.211981829194485, 3.403936594414347, 3.196735322133975]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.320466477796306, 1.6948730098944866, 1.5850971833239615, 1.7372003951613302, 1.8226312066977408, 1.6732549348885484, 1.5043264923562187]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4391166215787374, 2.1391839728280813, 1.983876116432402, 2.342214486825054, 2.3817376283067766, 1.951869428012586, 1.5852726404444002]}}