{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:58:04.683917", "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-15_to_2024-Mar-18_64.0_58.5"}, "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": 2024030001518}, "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 15 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 18 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": 162599.2595119532}, "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": 58.5}, "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": 64.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "64.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 61.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 78.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 57.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 61.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[62.5, 59.04], [63.0, 59.25], [63.5, 59.04], [64.0, 59.25], [64.25, 59.15], [64.5, 59.25], [64.75, 59.15], [65.0, 59.25], [65.25, 59.15], [65.32, 59.18], [65.47, 59.53], [66.0, 59.75], [66.25, 59.65], [66.5, 59.75], [66.75, 59.65], [67.0, 59.75], [67.25, 59.65], [67.5, 59.75], [67.75, 59.65], [68.0, 59.75], [68.25, 59.65], [68.5, 59.75], [68.75, 59.65], [69.0, 59.75], [69.25, 59.65], [69.32, 59.68], [69.47, 60.03], [70.0, 60.25], [70.25, 60.15], [70.5, 60.25], [70.75, 60.15], [70.82, 60.18], [70.97, 60.53], [71.5, 60.75], [71.75, 60.65], [72.0, 60.75], [72.25, 60.65], [72.5, 60.75], [72.75, 60.65], [73.0, 60.75], [73.25, 60.65], [73.5, 60.75], [73.75, 60.65], [74.0, 60.75], [74.25, 60.65], [74.5, 60.75], [74.75, 60.65], [74.82, 60.68], [74.97, 61.03], [75.5, 61.25], [75.75, 61.15], [76.0, 61.25], [76.25, 61.15], [76.5, 61.25], [76.75, 61.15], [76.82, 61.18], [76.97, 61.53], [77.5, 61.75], [77.75, 61.65], [78.0, 61.75], [78.53, 61.53], [78.75, 61.0], [78.65, 60.75], [78.75, 60.5], [78.53, 59.97], [78.18, 59.82], [78.03, 59.47], [77.5, 59.25], [77.25, 59.35], [77.18, 59.32], [77.03, 58.97], [76.68, 58.82], [76.53, 58.47], [76.0, 58.25], [75.75, 58.35], [75.5, 58.25], [75.25, 58.35], [75.0, 58.25], [74.75, 58.35], [74.68, 58.32], [74.53, 57.97], [74.0, 57.75], [73.75, 57.85], [73.5, 57.75], [73.25, 57.85], [73.0, 57.75], [72.75, 57.85], [72.5, 57.75], [72.25, 57.85], [72.0, 57.75], [71.75, 57.85], [71.5, 57.75], [71.25, 57.85], [71.0, 57.75], [70.75, 57.85], [70.5, 57.75], [70.25, 57.85], [70.0, 57.75], [69.75, 57.85], [69.68, 57.82], [69.53, 57.47], [69.0, 57.25], [68.75, 57.35], [68.5, 57.25], [68.25, 57.35], [68.0, 57.25], [67.75, 57.35], [67.5, 57.25], [67.25, 57.35], [67.0, 57.25], [66.75, 57.35], [66.68, 57.32], [66.53, 56.97], [66.0, 56.75], [65.75, 56.85], [65.5, 56.75], [65.25, 56.85], [65.0, 56.75], [64.75, 56.85], [64.5, 56.75], [64.25, 56.85], [64.0, 56.75], [63.75, 56.85], [63.5, 56.75], [63.25, 56.85], [63.0, 56.75], [62.47, 56.97], [62.32, 57.32], [62.25, 57.35], [62.0, 57.25], [61.75, 57.35], [61.5, 57.25], [60.97, 57.47], [60.75, 58.0], [60.97, 58.53], [61.32, 58.68], [61.47, 59.03], [62.0, 59.25], [62.5, 59.04]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Siberia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.25, 58.5], [61.47, 59.03], [62.0, 59.25], [62.5, 59.04], [63.0, 59.25], [63.5, 59.04], [64.0, 59.25], [64.53, 59.03], [64.75, 58.5], [64.53, 57.97], [64.18, 57.82], [64.03, 57.47], [63.5, 57.25], [63.25, 57.35], [63.0, 57.25], [62.5, 57.46], [62.0, 57.25], [61.47, 57.47], [61.25, 58.0], [61.35, 58.25], [61.25, 58.5]]]]}, "2024-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.47, 59.03], [62.0, 59.25], [62.5, 59.04], [63.0, 59.25], [63.5, 59.04], [64.0, 59.25], [64.25, 59.15], [64.5, 59.25], [64.75, 59.15], [65.0, 59.25], [65.25, 59.15], [65.32, 59.18], [65.47, 59.53], [66.0, 59.75], [66.25, 59.65], [66.5, 59.75], [66.75, 59.65], [67.0, 59.75], [67.25, 59.65], [67.5, 59.75], [67.75, 59.65], [68.0, 59.75], [68.25, 59.65], [68.5, 59.75], [68.75, 59.65], [69.0, 59.75], [69.25, 59.65], [69.32, 59.68], [69.47, 60.03], [70.0, 60.25], [70.25, 60.15], [70.5, 60.25], [70.75, 60.15], [70.82, 60.18], [70.97, 60.53], [71.5, 60.75], [71.75, 60.65], [72.0, 60.75], [72.25, 60.65], [72.5, 60.75], [72.75, 60.65], [73.0, 60.75], [73.25, 60.65], [73.5, 60.75], [73.75, 60.65], [74.0, 60.75], [74.25, 60.65], [74.5, 60.75], [74.75, 60.65], [74.82, 60.68], [74.97, 61.03], [75.5, 61.25], [75.75, 61.15], [76.0, 61.25], [76.25, 61.15], [76.5, 61.25], [76.75, 61.15], [76.82, 61.18], [76.97, 61.53], [77.5, 61.75], [77.75, 61.65], [78.0, 61.75], [78.53, 61.53], [78.75, 61.0], [78.65, 60.75], [78.75, 60.5], [78.53, 59.97], [78.18, 59.82], [78.03, 59.47], [77.5, 59.25], [77.25, 59.35], [77.18, 59.32], [77.03, 58.97], [76.68, 58.82], [76.53, 58.47], [76.0, 58.25], [75.75, 58.35], [75.5, 58.25], [75.25, 58.35], [75.0, 58.25], [74.75, 58.35], [74.68, 58.32], [74.53, 57.97], [74.0, 57.75], [73.75, 57.85], [73.5, 57.75], [73.25, 57.85], [73.0, 57.75], [72.75, 57.85], [72.5, 57.75], [72.25, 57.85], [72.0, 57.75], [71.75, 57.85], [71.5, 57.75], [71.25, 57.85], [71.0, 57.75], [70.75, 57.85], [70.5, 57.75], [70.25, 57.85], [70.0, 57.75], [69.75, 57.85], [69.68, 57.82], [69.53, 57.47], [69.0, 57.25], [68.75, 57.35], [68.5, 57.25], [68.25, 57.35], [68.0, 57.25], [67.75, 57.35], [67.5, 57.25], [67.25, 57.35], [67.0, 57.25], [66.75, 57.35], [66.68, 57.32], [66.53, 56.97], [66.0, 56.75], [65.75, 56.85], [65.5, 56.75], [65.25, 56.85], [65.0, 56.75], [64.75, 56.85], [64.5, 56.75], [64.25, 56.85], [64.0, 56.75], [63.75, 56.85], [63.5, 56.75], [63.25, 56.85], [63.0, 56.75], [62.47, 56.97], [62.32, 57.32], [62.25, 57.35], [62.0, 57.25], [61.75, 57.35], [61.5, 57.25], [60.97, 57.47], [60.75, 58.0], [60.97, 58.53], [61.32, 58.68], [61.47, 59.03]]]]}, "2024-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.47, 59.03], [62.0, 59.25], [62.5, 59.04], [63.0, 59.25], [63.5, 59.04], [64.0, 59.25], [64.25, 59.15], [64.5, 59.25], [64.75, 59.15], [65.0, 59.25], [65.25, 59.15], [65.32, 59.18], [65.47, 59.53], [66.0, 59.75], [66.25, 59.65], [66.5, 59.75], [66.75, 59.65], [67.0, 59.75], [67.25, 59.65], [67.5, 59.75], [67.75, 59.65], [68.0, 59.75], [68.25, 59.65], [68.5, 59.75], [68.75, 59.65], [69.0, 59.75], [69.25, 59.65], [69.32, 59.68], [69.47, 60.03], [70.0, 60.25], [70.25, 60.15], [70.5, 60.25], [70.75, 60.15], [70.82, 60.18], [70.97, 60.53], [71.5, 60.75], [71.75, 60.65], [72.0, 60.75], [72.25, 60.65], [72.5, 60.75], [72.75, 60.65], [73.0, 60.75], [73.25, 60.65], [73.5, 60.75], [73.75, 60.65], [74.0, 60.75], [74.25, 60.65], [74.5, 60.75], [74.75, 60.65], [74.82, 60.68], [74.97, 61.03], [75.5, 61.25], [75.75, 61.15], [76.0, 61.25], [76.25, 61.15], [76.5, 61.25], [76.75, 61.15], [76.82, 61.18], [76.97, 61.53], [77.5, 61.75], [77.75, 61.65], [78.0, 61.75], [78.53, 61.53], [78.75, 61.0], [78.65, 60.75], [78.75, 60.5], [78.53, 59.97], [78.18, 59.82], [78.03, 59.47], [77.5, 59.25], [77.25, 59.35], [77.18, 59.32], [77.03, 58.97], [76.68, 58.82], [76.53, 58.47], [76.0, 58.25], [75.75, 58.35], [75.5, 58.25], [75.25, 58.35], [75.0, 58.25], [74.75, 58.35], [74.68, 58.32], [74.53, 57.97], [74.0, 57.75], [73.75, 57.85], [73.5, 57.75], [73.25, 57.85], [73.0, 57.75], [72.75, 57.85], [72.5, 57.75], [72.25, 57.85], [72.0, 57.75], [71.75, 57.85], [71.5, 57.75], [71.25, 57.85], [71.0, 57.75], [70.75, 57.85], [70.5, 57.75], [70.25, 57.85], [70.0, 57.75], [69.75, 57.85], [69.68, 57.82], [69.53, 57.47], [69.0, 57.25], [68.75, 57.35], [68.5, 57.25], [68.25, 57.35], [68.0, 57.25], [67.75, 57.35], [67.5, 57.25], [67.25, 57.35], [67.0, 57.25], [66.75, 57.35], [66.68, 57.32], [66.53, 56.97], [66.0, 56.75], [65.75, 56.85], [65.5, 56.75], [65.25, 56.85], [65.0, 56.75], [64.75, 56.85], [64.5, 56.75], [64.25, 56.85], [64.0, 56.75], [63.75, 56.85], [63.5, 56.75], [63.25, 56.85], [63.0, 56.75], [62.47, 56.97], [62.32, 57.32], [62.25, 57.35], [62.0, 57.25], [61.75, 57.35], [61.5, 57.25], [60.97, 57.47], [60.75, 58.0], [60.97, 58.53], [61.32, 58.68], [61.47, 59.03]]]]}, "2024-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.5, 57.25], [60.97, 57.47], [60.75, 58.0], [60.97, 58.53], [61.5, 58.75], [61.75, 58.65], [62.0, 58.75], [62.25, 58.65], [62.5, 58.75], [62.75, 58.65], [63.0, 58.75], [63.25, 58.65], [63.32, 58.68], [63.47, 59.03], [64.0, 59.25], [64.25, 59.15], [64.5, 59.25], [64.75, 59.15], [65.0, 59.25], [65.25, 59.15], [65.32, 59.18], [65.47, 59.53], [66.0, 59.75], [66.25, 59.65], [66.5, 59.75], [66.75, 59.65], [67.0, 59.75], [67.25, 59.65], [67.5, 59.75], [67.75, 59.65], [68.0, 59.75], [68.25, 59.65], [68.5, 59.75], [68.75, 59.65], [69.0, 59.75], [69.25, 59.65], [69.32, 59.68], [69.47, 60.03], [70.0, 60.25], [70.25, 60.15], [70.5, 60.25], [70.75, 60.15], [70.82, 60.18], [70.97, 60.53], [71.5, 60.75], [71.75, 60.65], [72.0, 60.75], [72.25, 60.65], [72.5, 60.75], [72.75, 60.65], [73.0, 60.75], [73.25, 60.65], [73.5, 60.75], [73.75, 60.65], [74.0, 60.75], [74.25, 60.65], [74.5, 60.75], [74.75, 60.65], [74.82, 60.68], [74.97, 61.03], [75.5, 61.25], [75.75, 61.15], [76.0, 61.25], [76.25, 61.15], [76.5, 61.25], [76.75, 61.15], [76.82, 61.18], [76.97, 61.53], [77.5, 61.75], [77.75, 61.65], [78.0, 61.75], [78.53, 61.53], [78.75, 61.0], [78.65, 60.75], [78.75, 60.5], [78.53, 59.97], [78.18, 59.82], [78.03, 59.47], [77.5, 59.25], [77.25, 59.35], [77.18, 59.32], [77.03, 58.97], [76.68, 58.82], [76.53, 58.47], [76.0, 58.25], [75.75, 58.35], [75.5, 58.25], [75.25, 58.35], [75.0, 58.25], [74.75, 58.35], [74.68, 58.32], [74.53, 57.97], [74.0, 57.75], [73.75, 57.85], [73.5, 57.75], [73.25, 57.85], [73.0, 57.75], [72.75, 57.85], [72.5, 57.75], [72.25, 57.85], [72.0, 57.75], [71.75, 57.85], [71.5, 57.75], [71.25, 57.85], [71.0, 57.75], [70.75, 57.85], [70.5, 57.75], [70.25, 57.85], [70.0, 57.75], [69.75, 57.85], [69.68, 57.82], [69.53, 57.47], [69.0, 57.25], [68.75, 57.35], [68.5, 57.25], [68.25, 57.35], [68.0, 57.25], [67.75, 57.35], [67.5, 57.25], [67.25, 57.35], [67.0, 57.25], [66.75, 57.35], [66.68, 57.32], [66.53, 56.97], [66.0, 56.75], [65.75, 56.85], [65.5, 56.75], [65.25, 56.85], [65.0, 56.75], [64.75, 56.85], [64.5, 56.75], [64.25, 56.85], [64.0, 56.75], [63.75, 56.85], [63.5, 56.75], [63.25, 56.85], [63.0, 56.75], [62.47, 56.97], [62.32, 57.32], [62.25, 57.35], [62.0, 57.25], [61.75, 57.35], [61.5, 57.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.573804188556608}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.673245198880701}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [0.6458312972254703, 1.455432907910449, 2.271396731548009, 1.0315856137368087]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [0.8013565082764558, 3.2825380296066555, 3.326671590904027, 1.9950781563242117]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.621704330814794, 7.962529958226052, 8.385288145331145, 6.774983391052944]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.845679381692264, 9.523264291176929, 9.573804188556608, 8.215359036438088]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1229480604359776, 1.4720158777182117, 1.588769661955424, 1.3114121515824175]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.160405901059771, 1.7541169036682245, 1.7549009530881419, 1.4213959435753016]}}