{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:32.708509", "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": "2018-Mar-17_to_2018-Mar-19_86.5_60.5"}, "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": 2018030002283}, "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 17 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 19 2018"}, "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": 160803.06524086426}, "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": ["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": 60.5}, "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": 86.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "86.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 79.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 87.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 57.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 62.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.97, 62.03], [79.5, 62.25], [79.75, 62.15], [79.82, 62.18], [79.97, 62.53], [80.5, 62.75], [80.75, 62.65], [81.0, 62.75], [81.25, 62.65], [81.32, 62.68], [81.47, 63.03], [82.0, 63.25], [82.53, 63.03], [82.68, 62.68], [82.75, 62.65], [83.0, 62.75], [83.25, 62.65], [83.5, 62.75], [83.75, 62.65], [84.0, 62.75], [84.53, 62.53], [84.68, 62.18], [84.75, 62.15], [85.0, 62.25], [85.25, 62.15], [85.5, 62.25], [85.75, 62.15], [86.0, 62.25], [86.53, 62.03], [86.68, 61.68], [86.75, 61.65], [87.0, 61.75], [87.53, 61.53], [87.68, 61.18], [88.03, 61.03], [88.25, 60.5], [88.15, 60.25], [88.25, 60.0], [88.15, 59.75], [88.25, 59.5], [88.03, 58.97], [87.5, 58.75], [87.25, 58.85], [87.0, 58.75], [86.75, 58.85], [86.5, 58.75], [86.25, 58.85], [86.18, 58.82], [86.03, 58.47], [85.5, 58.25], [85.25, 58.35], [85.0, 58.25], [84.75, 58.35], [84.68, 58.32], [84.53, 57.97], [84.0, 57.75], [83.75, 57.85], [83.5, 57.75], [83.25, 57.85], [83.18, 57.82], [83.03, 57.47], [82.5, 57.25], [82.25, 57.35], [82.0, 57.25], [81.75, 57.35], [81.5, 57.25], [80.97, 57.47], [80.75, 58.0], [80.85, 58.25], [80.82, 58.32], [80.47, 58.47], [80.32, 58.82], [79.97, 58.97], [79.82, 59.32], [79.47, 59.47], [79.25, 60.0], [79.35, 60.25], [79.32, 60.32], [78.97, 60.47], [78.75, 61.0], [78.85, 61.25], [78.75, 61.5], [78.97, 62.03]]]]}, "2018-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.97, 62.03], [79.5, 62.25], [79.75, 62.15], [79.82, 62.18], [79.97, 62.53], [80.5, 62.75], [80.75, 62.65], [81.0, 62.75], [81.25, 62.65], [81.32, 62.68], [81.47, 63.03], [82.0, 63.25], [82.53, 63.03], [82.68, 62.68], [82.75, 62.65], [83.0, 62.75], [83.25, 62.65], [83.5, 62.75], [83.75, 62.65], [84.0, 62.75], [84.53, 62.53], [84.68, 62.18], [84.75, 62.15], [85.0, 62.25], [85.25, 62.15], [85.5, 62.25], [85.75, 62.15], [86.0, 62.25], [86.53, 62.03], [86.68, 61.68], [86.75, 61.65], [87.0, 61.75], [87.53, 61.53], [87.68, 61.18], [88.03, 61.03], [88.25, 60.5], [88.15, 60.25], [88.25, 60.0], [88.15, 59.75], [88.25, 59.5], [88.03, 58.97], [87.5, 58.75], [87.25, 58.85], [87.0, 58.75], [86.75, 58.85], [86.5, 58.75], [86.25, 58.85], [86.18, 58.82], [86.03, 58.47], [85.5, 58.25], [85.25, 58.35], [85.0, 58.25], [84.75, 58.35], [84.68, 58.32], [84.53, 57.97], [84.0, 57.75], [83.75, 57.85], [83.5, 57.75], [83.25, 57.85], [83.18, 57.82], [83.03, 57.47], [82.5, 57.25], [82.25, 57.35], [82.0, 57.25], [81.75, 57.35], [81.5, 57.25], [80.97, 57.47], [80.75, 58.0], [80.85, 58.25], [80.82, 58.32], [80.47, 58.47], [80.32, 58.82], [79.97, 58.97], [79.82, 59.32], [79.47, 59.47], [79.25, 60.0], [79.35, 60.25], [79.32, 60.32], [78.97, 60.47], [78.75, 61.0], [78.85, 61.25], [78.75, 61.5], [78.97, 62.03]]]]}, "2018-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.97, 62.03], [79.5, 62.25], [79.75, 62.15], [79.82, 62.18], [79.97, 62.53], [80.5, 62.75], [80.75, 62.65], [81.0, 62.75], [81.25, 62.65], [81.32, 62.68], [81.47, 63.03], [82.0, 63.25], [82.53, 63.03], [82.68, 62.68], [82.75, 62.65], [83.0, 62.75], [83.25, 62.65], [83.5, 62.75], [83.75, 62.65], [84.0, 62.75], [84.53, 62.53], [84.68, 62.18], [84.75, 62.15], [85.0, 62.25], [85.25, 62.15], [85.5, 62.25], [85.75, 62.15], [86.0, 62.25], [86.53, 62.03], [86.68, 61.68], [86.75, 61.65], [87.0, 61.75], [87.53, 61.53], [87.68, 61.18], [88.03, 61.03], [88.25, 60.5], [88.15, 60.25], [88.25, 60.0], [88.15, 59.75], [88.25, 59.5], [88.03, 58.97], [87.5, 58.75], [87.25, 58.85], [87.0, 58.75], [86.75, 58.85], [86.5, 58.75], [86.25, 58.85], [86.18, 58.82], [86.03, 58.47], [85.5, 58.25], [85.25, 58.35], [85.0, 58.25], [84.75, 58.35], [84.68, 58.32], [84.53, 57.97], [84.0, 57.75], [83.75, 57.85], [83.5, 57.75], [83.25, 57.85], [83.18, 57.82], [83.03, 57.47], [82.5, 57.25], [82.25, 57.35], [82.0, 57.25], [81.75, 57.35], [81.5, 57.25], [80.97, 57.47], [80.75, 58.0], [80.85, 58.25], [80.82, 58.32], [80.47, 58.47], [80.32, 58.82], [79.97, 58.97], [79.82, 59.32], [79.47, 59.47], [79.25, 60.0], [79.35, 60.25], [79.32, 60.32], [78.97, 60.47], [78.75, 61.0], [78.85, 61.25], [78.75, 61.5], [78.97, 62.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.21506789356846}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.482801239488234}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-0.5580443778208632, 0.2551237734279539, 1.4443718663939649]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [0.30122955836696974, 1.287087160612657, 3.1137563216894364]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.943030385516531, 8.394870897548461, 9.110502435399711]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.949936880476116, 9.735929051441758, 11.21506789356846]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3377722492918744, 1.4406225409213687, 1.5734303892158699]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4364161323380262, 1.6733485816906324, 1.9585148167570836]}}