{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:29.420950", "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": "2024-Apr-05_to_2024-Apr-08_76.0_48.0"}, "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": 2024040001083}, "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": "April 05 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 08 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 83087.24868559795}, "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": ["Kazakhstan"]}, "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": 48.0}, "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": 76.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "76.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 73.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 80.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 46.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 49.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[74.15, 46.25], [74.25, 46.0], [74.03, 45.47], [73.5, 45.25], [72.97, 45.47], [72.75, 46.0], [72.85, 46.25], [72.82, 46.32], 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46.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Siberia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-04-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[72.25, 47.5], [72.47, 48.03], [73.0, 48.25], [73.25, 48.15], [73.5, 48.25], [73.75, 48.15], [74.0, 48.25], [74.25, 48.15], [74.5, 48.25], [74.75, 48.15], [74.82, 48.18], [74.85, 48.25], [74.75, 48.5], [74.97, 49.03], [75.32, 49.18], [75.47, 49.53], [76.0, 49.75], [76.5, 49.54], [77.0, 49.75], [77.53, 49.53], [77.68, 49.18], [77.75, 49.15], [78.0, 49.25], [78.53, 49.03], [78.68, 48.68], [79.03, 48.53], [79.25, 48.0], [79.03, 47.47], [78.5, 47.25], [78.25, 47.35], [78.0, 47.25], [77.75, 47.35], [77.5, 47.25], [77.25, 47.35], [77.18, 47.32], [77.03, 46.97], [76.5, 46.75], [76.25, 46.85], [76.0, 46.75], [75.75, 46.85], [75.5, 46.75], [75.25, 46.85], 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mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.368027959494214, 10.994869918605616, 11.325935659547838, 11.970533153610575]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [10.774670176011114, 14.202016149365988, 14.970318012191854, 16.2381940250404]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.212145519300741, 6.7889032912757825, 6.551785211780036, 6.684497378704009]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.726249040805101, 8.76907667582077, 7.604419350567412, 8.246017655670755]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3001346770168067, 1.4143047263954298, 1.4023990385160021, 1.4469823154416799]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4488706993262719, 1.6451665278221304, 1.8572975482520702, 1.865715406279989]}}