{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:07.209168", "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-May-16_to_2022-May-18_77.5_51.5"}, "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": 2022050002181}, "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 16 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 18 2022"}, "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": 56513.5023439903}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.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": 51.5}, "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": 77.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "77.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 73.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 79.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 49.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 52.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.38, 50.7], [74.25, 51.0], [74.47, 51.53], [75.0, 51.75], 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52.03], [75.82, 52.18], [75.97, 52.53], [76.5, 52.75], [76.75, 52.65], [77.0, 52.75], [77.5, 52.54], [78.0, 52.75], [78.53, 52.53], [78.68, 52.18], [78.75, 52.15], [79.0, 52.25], [79.25, 52.15], [79.5, 52.25], [80.03, 52.03], [80.25, 51.5], [80.04, 51.0], [80.25, 50.5], [80.03, 49.97], [79.68, 49.82], [79.53, 49.47], [79.0, 49.25], [78.47, 49.47], [78.32, 49.82], [77.97, 49.97], [77.82, 50.32], [77.75, 50.35], [77.68, 50.32], [77.53, 49.97], [77.0, 49.75], [76.47, 49.97], [76.32, 50.32], [76.25, 50.35], [76.18, 50.32], [76.15, 50.25], [76.25, 50.0], [76.03, 49.47], [75.5, 49.25], [75.25, 49.35], [75.18, 49.32], [75.03, 48.97], [74.5, 48.75], [74.25, 48.85], [74.0, 48.75], [73.47, 48.97], [73.25, 49.5], [73.47, 50.03], [73.82, 50.18], [73.97, 50.53], [74.38, 50.7]]]]}, "2022-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.38, 50.7], [74.25, 51.0], [74.47, 51.53], [75.0, 51.75], [75.25, 51.65], [75.32, 51.68], [75.47, 52.03], [75.82, 52.18], [75.97, 52.53], 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7.287731675834347}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.394818769715243, 22.765633403355594, 21.741622041885137]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.73106553785027, 24.40052037432355, 23.88889695482078]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.2289513523773605, 8.455936124362024, 7.178307550763663]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.864258494820035, 9.33665988236146, 8.484002984726999]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3315278932519177, 1.8430889085763658, 1.5682236065376753]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4306034178381994, 1.990374564164397, 1.868937960563328]}}