{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:46.739011", "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-Jul-06_to_2022-Jul-08_56.0_62.5"}, "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": 2022070001692}, "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": "July 06 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 08 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": 59102.177924379146}, "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.Europe"]}, "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": 62.5}, "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": 56.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "56.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 52.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 57.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 61.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 64.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.75, 63.0], [52.85, 63.25], [52.75, 63.5], [52.97, 64.03], 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64.65], [54.82, 64.68], [54.97, 65.03], [55.5, 65.25], [55.75, 65.15], [56.0, 65.25], [56.53, 65.03], [56.68, 64.68], [57.03, 64.53], [57.18, 64.18], [57.53, 64.03], [57.75, 63.5], [57.65, 63.25], [57.68, 63.18], [58.03, 63.03], [58.25, 62.5], [58.15, 62.25], [58.25, 62.0], [58.03, 61.47], [57.5, 61.25], [57.25, 61.35], [57.0, 61.25], [56.75, 61.35], [56.5, 61.25], [56.25, 61.35], [56.0, 61.25], [55.75, 61.35], [55.5, 61.25], [55.25, 61.35], [55.0, 61.25], [54.75, 61.35], [54.68, 61.32], [54.53, 60.97], [54.0, 60.75], [53.47, 60.97], [53.32, 61.32], [53.25, 61.35], [53.0, 61.25], [52.47, 61.47], [52.25, 62.0], [52.47, 62.53], [52.82, 62.68], [52.85, 62.75], [52.75, 63.0]]]]}, "2022-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[52.75, 63.0], [52.85, 63.25], [52.75, 63.5], [52.97, 64.03], [53.5, 64.25], [53.75, 64.15], [53.82, 64.18], [53.97, 64.53], [54.5, 64.75], [54.75, 64.65], [54.82, 64.68], [54.97, 65.03], [55.5, 65.25], [55.75, 65.15], [56.0, 65.25], 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[22.559476007112153, 23.524952814384108, 23.10542815994819]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.16518201918376, 23.932191682585767, 23.782428699283628]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.451996846128118, 7.2568340500142074, 6.70337049489952]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.375737548177199, 7.6679118938714055, 7.499168486651513]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3630673903018495, 1.5326451632740057, 1.4133437971265428]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.47396986777003, 1.5902705110542705, 1.5275377940433121]}}