{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:22.436826", "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": "2026-Mar-07_to_2026-Mar-09_79.5_53.0"}, "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": 2026030001456}, "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": "March 07 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 09 2026"}, "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": 68996.7269852044}, "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", "Russian Federation"]}, "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": 53.0}, "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": 79.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "79.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 77.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 84.75}, "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": 54.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.32, 52.18], [78.46, 52.5], [78.25, 53.0], [78.47, 53.53], 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52.5], [78.25, 53.0], [78.47, 53.53], [78.82, 53.68], [78.97, 54.03], [79.5, 54.25], [80.0, 54.04], [80.32, 54.18], [80.47, 54.53], [81.0, 54.75], [81.25, 54.65], [81.5, 54.75], [81.75, 54.65], [82.0, 54.75], [82.53, 54.53], [82.68, 54.18], [82.75, 54.15], [83.0, 54.25], [83.25, 54.15], [83.5, 54.25], [83.75, 54.15], [84.0, 54.25], [84.53, 54.03], [84.68, 53.68], [85.03, 53.53], [85.25, 53.0], [85.03, 52.47], [84.68, 52.32], [84.53, 51.97], [84.0, 51.75], [83.47, 51.97], [83.32, 52.32], [83.25, 52.35], [83.0, 52.25], [82.75, 52.35], [82.5, 52.25], [82.25, 52.35], [82.18, 52.32], [82.03, 51.97], [81.68, 51.82], [81.53, 51.47], [81.0, 51.25], [80.75, 51.35], [80.5, 51.25], [80.25, 51.35], [80.0, 51.25], [79.75, 51.35], [79.5, 51.25], [79.25, 51.35], [79.18, 51.32], [79.03, 50.97], [78.68, 50.82], [78.53, 50.47], [78.0, 50.25], [77.47, 50.47], [77.25, 51.0], [77.47, 51.53], [77.82, 51.68], [77.97, 52.03], [78.32, 52.18]]]]}, "2026-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.32, 52.18], [78.46, 52.5], [78.25, 53.0], [78.47, 53.53], [78.82, 53.68], [78.97, 54.03], [79.5, 54.25], [80.0, 54.04], [80.32, 54.18], [80.47, 54.53], [81.0, 54.75], [81.25, 54.65], [81.5, 54.75], [81.75, 54.65], [82.0, 54.75], [82.53, 54.53], [82.68, 54.18], [82.75, 54.15], [83.0, 54.25], [83.25, 54.15], [83.5, 54.25], [83.75, 54.15], [84.0, 54.25], [84.53, 54.03], [84.68, 53.68], [85.03, 53.53], [85.25, 53.0], [85.03, 52.47], [84.68, 52.32], [84.53, 51.97], [84.0, 51.75], [83.47, 51.97], [83.32, 52.32], [83.25, 52.35], [83.0, 52.25], [82.75, 52.35], [82.5, 52.25], [82.25, 52.35], [82.18, 52.32], [82.03, 51.97], [81.68, 51.82], [81.53, 51.47], [81.0, 51.25], [80.75, 51.35], [80.5, 51.25], [80.25, 51.35], [80.0, 51.25], [79.75, 51.35], [79.5, 51.25], [79.25, 51.35], [79.18, 51.32], [79.03, 50.97], [78.68, 50.82], [78.53, 50.47], [78.0, 50.25], [77.47, 50.47], [77.25, 51.0], [77.47, 51.53], [77.82, 51.68], [77.97, 52.03], [78.32, 52.18]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.369620901337328}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.794054808309749}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-1.5341420422803935, 0.174381063650344, -0.921031628857861]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [0.1984052022298215, 1.8718798319499115, 1.468080139160179]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.323687854341133, 9.753302609954451, 8.305173960633674]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.061599922438234, 10.369620901337328, 9.465641261685562]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3912563988319013, 1.6903883985102361, 1.4345304630661706]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5307230607447424, 1.8216783413509985, 1.637272641624394]}}