{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:00.089083", "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-Mar-10_to_2024-Mar-13_113.5_52.0"}, "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": 2024030001272}, "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 10 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 13 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": 55757.1133307447}, "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": 52.0}, "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": 113.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "113.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 112.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 115.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 50.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 52.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[111.47, 52.53], [111.82, 52.68], [111.97, 53.03], [112.5, 53.25], [112.75, 53.15], [113.0, 53.25], [113.25, 53.15], [113.5, 53.25], [114.0, 53.04], [114.5, 53.25], [114.75, 53.15], [115.0, 53.25], [115.53, 53.03], [115.75, 52.5], [115.65, 52.25], [115.75, 52.0], [115.54, 51.5], [115.75, 51.0], [115.65, 50.75], [115.75, 50.5], [115.53, 49.97], [115.0, 49.75], [114.75, 49.85], [114.5, 49.75], [113.97, 49.97], [113.82, 50.32], [113.75, 50.35], [113.68, 50.32], [113.53, 49.97], [113.0, 49.75], [112.75, 49.85], [112.5, 49.75], [111.97, 49.97], [111.82, 50.32], [111.47, 50.47], [111.25, 51.0], [111.35, 51.25], [111.25, 51.5], [111.35, 51.75], [111.25, 52.0], [111.47, 52.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Siberia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[112.97, 52.53], [113.5, 52.75], [114.03, 52.53], [114.25, 52.0], [114.03, 51.47], [113.5, 51.25], [112.97, 51.47], [112.75, 52.0], [112.97, 52.53]]]]}, "2024-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.25, 51.5], [111.35, 51.75], [111.25, 52.0], [111.47, 52.53], [111.82, 52.68], [111.97, 53.03], [112.5, 53.25], [112.75, 53.15], [113.0, 53.25], [113.25, 53.15], [113.5, 53.25], [114.0, 53.04], [114.5, 53.25], [114.75, 53.15], [115.0, 53.25], [115.53, 53.03], [115.75, 52.5], [115.65, 52.25], [115.75, 52.0], [115.54, 51.5], [115.75, 51.0], [115.65, 50.75], [115.75, 50.5], [115.53, 49.97], [115.0, 49.75], [114.75, 49.85], [114.5, 49.75], [113.97, 49.97], [113.82, 50.32], [113.75, 50.35], [113.68, 50.32], [113.53, 49.97], [113.0, 49.75], [112.75, 49.85], [112.5, 49.75], [111.97, 49.97], [111.82, 50.32], [111.47, 50.47], [111.25, 51.0], [111.35, 51.25], [111.25, 51.5]]]]}, "2024-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.25, 51.5], [111.35, 51.75], [111.25, 52.0], [111.47, 52.53], [111.82, 52.68], [111.97, 53.03], [112.5, 53.25], [112.75, 53.15], [113.0, 53.25], [113.25, 53.15], [113.5, 53.25], [114.0, 53.04], [114.5, 53.25], [114.75, 53.15], [115.0, 53.25], [115.53, 53.03], [115.75, 52.5], [115.65, 52.25], [115.75, 52.0], [115.54, 51.5], [115.75, 51.0], [115.65, 50.75], [115.75, 50.5], [115.53, 49.97], [115.0, 49.75], [114.75, 49.85], [114.5, 49.75], [113.97, 49.97], [113.82, 50.32], [113.75, 50.35], [113.68, 50.32], [113.53, 49.97], [113.0, 49.75], [112.75, 49.85], [112.5, 49.75], [111.97, 49.97], [111.82, 50.32], [111.47, 50.47], [111.25, 51.0], [111.35, 51.25], [111.25, 51.5]]]]}, "2024-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.25, 51.5], [111.35, 51.75], [111.25, 52.0], [111.47, 52.53], [111.82, 52.68], [111.97, 53.03], [112.5, 53.25], [112.75, 53.15], [113.0, 53.25], [113.25, 53.15], [113.5, 53.25], [114.0, 53.04], [114.5, 53.25], [114.75, 53.15], [115.0, 53.25], [115.53, 53.03], [115.75, 52.5], [115.65, 52.25], [115.75, 52.0], [115.54, 51.5], [115.75, 51.0], [115.65, 50.75], [115.75, 50.5], [115.53, 49.97], [115.0, 49.75], [114.75, 49.85], [114.5, 49.75], [113.97, 49.97], [113.82, 50.32], [113.75, 50.35], [113.68, 50.32], [113.53, 49.97], [113.0, 49.75], [112.75, 49.85], [112.5, 49.75], [111.97, 49.97], [111.82, 50.32], [111.47, 50.47], [111.25, 51.0], [111.35, 51.25], [111.25, 51.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.035605410765811}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.594969930663043}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-4.062745530966936, -3.050443131017346, -1.4479559099896733, -1.2339163129086614]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-4.062745530966936, -1.5547920807175046, 0.036861099358077354, 0.16707334219381664]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.67872604083999, 7.120957262930543, 8.007932331651928, 7.687614814297113]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.67872604083999, 8.247404222040586, 9.035605410765811, 8.408217112265731]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3601113086875847, 1.4498107493631993, 1.6408207199036755, 1.5561909892868857]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3601113086875847, 1.7093622487898201, 1.872723456396286, 1.6711933593402222]}}