{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:18:09.384207", "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": "2020-Aug-27_to_2020-Aug-29_56.0_57.5"}, "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": 2020080002994}, "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": "August 27 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 29 2020"}, "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": 50023.48751866515}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe"]}, "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": 57.5}, "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": 53.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 56.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 55.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 58.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[52.354, 57.75], [52.25, 58.0], [52.47, 58.53], [52.823, 58.677], [52.97, 59.03], [53.5, 59.25], [53.75, 59.146], [54.0, 59.25], [54.25, 59.146], [54.5, 59.25], [54.75, 59.146], [55.0, 59.25], [55.25, 59.146], [55.5, 59.25], [56.03, 59.03], [56.177, 58.677], [56.53, 58.53], [56.75, 58.0], [56.646, 57.75], [56.75, 57.5], [56.53, 56.97], [56.177, 56.823], [56.125, 56.698], [56.53, 56.53], [56.75, 56.0], [56.53, 55.47], [56.177, 55.323], [56.03, 54.97], [55.5, 54.75], [55.25, 54.854], [55.0, 54.75], [54.47, 54.97], [54.25, 55.5], [54.354, 55.75], [54.323, 55.823], [53.97, 55.97], [53.802, 56.375], [53.5, 56.25], [53.25, 56.354], [53.0, 56.25], [52.47, 56.47], [52.25, 57.0], [52.354, 57.25], [52.25, 57.5], [52.354, 57.75]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Europe"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-08-27T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[52.35355339059328, 57.25], [52.25, 57.5], [52.35355339059328, 57.75], 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55.96966991411009], [53.80177669529664, 56.375], [53.5, 56.25], [53.25, 56.35355339059328], [53.0, 56.25], [52.46966991411009, 56.46966991411009], [52.25, 57.0], [52.35355339059328, 57.25]]]}, "2020-08-28T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[52.35355339059328, 57.25], [52.25, 57.5], [52.35355339059328, 57.75], [52.25, 58.0], [52.46966991411009, 58.53033008588991], [52.82322330470336, 58.67677669529664], [52.96966991411009, 59.03033008588991], [53.5, 59.25], [53.75, 59.14644660940672], [54.0, 59.25], [54.25, 59.14644660940672], [54.5, 59.25], [54.75, 59.14644660940672], [55.0, 59.25], [55.25, 59.14644660940672], [55.5, 59.25], [56.03033008588991, 59.03033008588991], [56.17677669529664, 58.67677669529664], [56.53033008588991, 58.53033008588991], [56.75, 58.0], [56.64644660940672, 57.75], [56.75, 57.5], [56.53033008588991, 56.96966991411009], [56.17677669529664, 56.82322330470336], [56.125, 56.69822330470336], [56.53033008588991, 56.53033008588991], [56.75, 56.0], 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{"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.390628747893442}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.867500755715866, 18.89674827349404, 19.089694090294472]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.075518545038847, 20.97297414682521, 20.951106843813534]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.174943917663908, 5.329712497827196, 5.667229828189221]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.480363629411556, 6.227038544738036, 6.863661410679981]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3971759577018839, 1.409779781261193, 1.4819163329365646]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4932227676954646, 1.5790145819517714, 1.7241298301349732]}}