{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:00:22.794994", "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-Jul-30_to_2024-Aug-03_106.5_33.5"}, "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": 2024070002823}, "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": "July 30 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 03 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 59533.01192335844}, "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": ["China"]}, "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": 33.5}, "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": 106.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 104.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 107.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 34.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[103.47, 33.03], [103.82, 33.18], [103.85, 33.25], [103.75, 33.5], [103.97, 34.03], [104.5, 34.25], [104.75, 34.15], 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[[[[104.97, 33.53], [105.5, 33.75], [106.03, 33.53], [106.25, 33.0], [106.03, 32.47], [105.5, 32.25], [104.97, 32.47], [104.75, 33.0], [104.97, 33.53]]]]}, "2024-07-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.25, 32.0], [103.35, 32.25], [103.25, 32.5], [103.47, 33.03], [103.82, 33.18], [103.85, 33.25], [103.75, 33.5], [103.97, 34.03], [104.5, 34.25], [104.75, 34.15], [104.82, 34.18], [104.97, 34.53], [105.5, 34.75], [105.75, 34.65], [106.0, 34.75], [106.25, 34.65], [106.5, 34.75], [106.75, 34.65], [107.0, 34.75], [107.53, 34.53], [107.75, 34.0], [107.65, 33.75], [107.68, 33.68], [108.03, 33.53], [108.25, 33.0], [108.03, 32.47], [107.5, 32.25], [107.25, 32.35], [107.18, 32.32], [107.03, 31.97], [106.5, 31.75], [105.97, 31.97], [105.82, 32.32], [105.75, 32.35], [105.68, 32.32], [105.53, 31.97], [105.0, 31.75], [104.75, 31.85], [104.68, 31.82], [104.65, 31.75], [104.75, 31.5], [104.53, 30.97], [104.0, 30.75], [103.47, 30.97], [103.25, 31.5], [103.35, 31.75], [103.25, 32.0]]]]}, "2024-08-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.25, 32.0], [103.35, 32.25], [103.25, 32.5], [103.47, 33.03], [103.82, 33.18], [103.85, 33.25], [103.75, 33.5], [103.97, 34.03], [104.5, 34.25], [104.75, 34.15], [104.82, 34.18], [104.97, 34.53], [105.5, 34.75], [105.75, 34.65], [106.0, 34.75], [106.25, 34.65], [106.5, 34.75], [106.75, 34.65], [107.0, 34.75], [107.53, 34.53], [107.68, 34.18], [108.03, 34.03], [108.25, 33.5], [108.15, 33.25], [108.25, 33.0], [108.03, 32.47], [107.5, 32.25], [107.25, 32.35], [107.18, 32.32], [107.03, 31.97], [106.5, 31.75], [105.97, 31.97], [105.82, 32.32], [105.75, 32.35], [105.68, 32.32], [105.53, 31.97], [105.0, 31.75], [104.75, 31.85], [104.68, 31.82], [104.65, 31.75], [104.75, 31.5], [104.53, 30.97], [104.0, 30.75], [103.47, 30.97], [103.25, 31.5], [103.35, 31.75], [103.25, 32.0]]]]}, "2024-08-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.25, 32.0], [103.35, 32.25], [103.25, 32.5], [103.47, 33.03], [103.82, 33.18], [103.85, 33.25], [103.75, 33.5], [103.97, 34.03], [104.5, 34.25], [104.75, 34.15], [104.82, 34.18], [104.97, 34.53], [105.5, 34.75], [105.75, 34.65], [106.0, 34.75], [106.25, 34.65], [106.5, 34.75], [106.75, 34.65], [107.0, 34.75], [107.53, 34.53], [107.68, 34.18], [108.03, 34.03], [108.25, 33.5], [108.15, 33.25], [108.25, 33.0], [108.03, 32.47], [107.5, 32.25], [107.25, 32.35], [107.18, 32.32], [107.03, 31.97], [106.5, 31.75], [105.97, 31.97], [105.82, 32.32], [105.75, 32.35], [105.68, 32.32], [105.53, 31.97], [105.0, 31.75], [104.75, 31.85], [104.68, 31.82], [104.65, 31.75], [104.75, 31.5], [104.53, 30.97], [104.0, 30.75], [103.47, 30.97], [103.25, 31.5], [103.35, 31.75], [103.25, 32.0]]]]}, "2024-08-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.5, 32.75], [105.97, 32.97], [105.75, 33.5], [105.97, 34.03], [106.5, 34.25], [106.75, 34.15], [107.0, 34.25], [107.25, 34.15], [107.5, 34.25], [108.03, 34.03], [108.25, 33.5], [108.03, 32.97], [107.5, 32.75], [107.25, 32.85], [107.0, 32.75], [106.75, 32.85], [106.5, 32.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.044704278380891}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.716091515486731}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.395115256454005, 23.556822715096587, 24.35288116831117, 23.855608429168285, 23.902314752023756]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.395115256454005, 27.970950270550645, 28.811269917718903, 29.447853993842443, 24.568447239462216]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.923531925246948, 2.460226779691647, 3.169217269913193, 2.637444489095747, 1.9856158597919489]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.923531925246948, 3.6945305380709783, 4.044704278380891, 3.9658914693455927, 2.155965638392047]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1523334507799432, 1.4287309434842663, 1.8466763969609865, 1.5852253382217187, 1.257460446102358]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1523334507799432, 2.0298333476569113, 2.390345931377666, 2.162304731654103, 1.3586137531147673]}}