{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:53.985492", "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": "2015-Sep-12_to_2015-Sep-14_111.5_53.5"}, "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": 2015090001896}, "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": "September 12 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 14 2015"}, "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": 63904.90989828908}, "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": ["Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Siberia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 53.5}, "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": 111.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "111.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 108.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 112.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 50.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 54.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.97, 53.53], [108.5, 53.75], [108.75, 53.65], [108.82, 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52.35]], [[110.75, 52.35], [110.63, 52.3], [110.7, 52.13], [111.0, 52.25], [110.75, 52.35]]]]}, "2015-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.97, 53.53], [108.5, 53.75], [108.75, 53.65], [108.82, 53.68], [108.97, 54.03], [109.32, 54.18], [109.35, 54.25], [109.25, 54.5], [109.47, 55.03], [110.0, 55.25], [110.53, 55.03], [110.68, 54.68], [111.03, 54.53], [111.18, 54.18], [111.25, 54.15], [111.5, 54.25], [111.75, 54.15], [112.0, 54.25], [112.53, 54.03], [112.68, 53.68], [113.03, 53.53], [113.25, 53.0], [113.03, 52.47], [112.5, 52.25], [112.25, 52.35], [112.0, 52.25], [112.53, 52.03], [112.75, 51.5], [112.53, 50.97], [112.0, 50.75], [111.75, 50.85], [111.5, 50.75], [111.25, 50.85], [111.18, 50.82], [111.03, 50.47], [110.5, 50.25], [110.25, 50.35], [110.0, 50.25], [109.75, 50.35], [109.5, 50.25], [109.25, 50.35], [109.0, 50.25], [108.75, 50.35], [108.5, 50.25], [107.97, 50.47], [107.75, 51.0], [107.97, 51.53], [108.38, 51.7], [108.32, 51.82], [107.97, 51.97], [107.75, 52.5], [107.85, 52.75], [107.75, 53.0], [107.97, 53.53]], [[111.75, 52.35], [111.5, 52.25], [111.75, 52.15], [112.0, 52.25], [111.75, 52.35]], [[111.25, 52.35], [111.0, 52.25], [111.25, 52.15], [111.5, 52.25], [111.25, 52.35]], [[110.75, 52.35], [110.63, 52.3], [110.7, 52.13], [111.0, 52.25], [110.75, 52.35]]]]}, "2015-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.97, 53.53], [108.5, 53.75], [108.75, 53.65], [108.82, 53.68], [108.97, 54.03], [109.32, 54.18], [109.35, 54.25], [109.25, 54.5], [109.47, 55.03], [110.0, 55.25], [110.53, 55.03], [110.68, 54.68], [111.03, 54.53], [111.18, 54.18], [111.25, 54.15], [111.5, 54.25], [111.75, 54.15], [112.0, 54.25], [112.53, 54.03], [112.68, 53.68], [113.03, 53.53], [113.25, 53.0], [113.03, 52.47], [112.5, 52.25], [112.25, 52.35], [112.0, 52.25], [112.53, 52.03], [112.75, 51.5], [112.53, 50.97], [112.0, 50.75], [111.75, 50.85], [111.5, 50.75], [111.25, 50.85], [111.18, 50.82], [111.03, 50.47], [110.5, 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14.410289249442087]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.666265015179647, 19.227129560991614, 16.86080685224465]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.421384833487675, 8.147864193710136, 6.926881984440132]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.345870570609861, 10.937027220984533, 9.325772888272525]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5478903050264952, 2.355617140045952, 2.01003327163097]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9738990846131328, 3.0292160339386185, 2.7995865336848094]}}