{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:00:20.658187", "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-26_to_2024-Jul-28_109.0_39.0"}, "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": 2024070002583}, "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 26 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 28 2024"}, "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": 50084.368274596636}, "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": 39.0}, "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": 109.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "109.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 107.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 109.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[107.32, 40.18], [107.35, 40.25], [107.25, 40.5], [107.47, 41.03], [108.0, 41.25], [108.25, 41.15], [108.5, 41.25], [108.75, 41.15], [109.0, 41.25], [109.25, 41.15], [109.5, 41.25], [110.03, 41.03], [110.25, 40.5], [110.15, 40.25], [110.25, 40.0], [110.15, 39.75], [110.25, 39.5], [110.15, 39.25], [110.25, 39.0], [110.03, 38.47], [109.5, 38.25], [109.25, 38.35], [109.18, 38.32], [109.03, 37.97], [108.68, 37.82], [108.53, 37.47], [108.0, 37.25], [107.47, 37.47], [107.25, 38.0], [107.35, 38.25], [107.32, 38.32], [106.97, 38.47], [106.75, 39.0], [106.85, 39.25], [106.75, 39.5], [106.97, 40.03], [107.32, 40.18]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia", "E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.75, 39.5], [106.97, 40.03], [107.32, 40.18], [107.35, 40.25], [107.25, 40.5], [107.47, 41.03], [108.0, 41.25], [108.25, 41.15], [108.5, 41.25], [108.75, 41.15], [109.0, 41.25], [109.25, 41.15], [109.5, 41.25], [110.03, 41.03], [110.25, 40.5], [110.15, 40.25], [110.25, 40.0], [110.15, 39.75], [110.25, 39.5], [110.15, 39.25], [110.25, 39.0], [110.03, 38.47], [109.5, 38.25], [109.25, 38.35], [109.18, 38.32], [109.03, 37.97], [108.68, 37.82], [108.53, 37.47], [108.0, 37.25], [107.47, 37.47], [107.25, 38.0], [107.35, 38.25], [107.32, 38.32], [106.97, 38.47], [106.75, 39.0], [106.85, 39.25], [106.75, 39.5]]]]}, "2024-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.75, 39.5], [106.97, 40.03], [107.32, 40.18], [107.35, 40.25], [107.25, 40.5], [107.47, 41.03], [108.0, 41.25], [108.25, 41.15], [108.5, 41.25], [108.75, 41.15], [109.0, 41.25], [109.25, 41.15], [109.5, 41.25], [110.03, 41.03], [110.25, 40.5], [110.15, 40.25], [110.25, 40.0], [110.15, 39.75], [110.25, 39.5], [110.15, 39.25], [110.25, 39.0], [110.03, 38.47], [109.5, 38.25], [109.25, 38.35], [109.18, 38.32], [109.03, 37.97], [108.68, 37.82], [108.53, 37.47], [108.0, 37.25], [107.47, 37.47], [107.25, 38.0], [107.35, 38.25], [107.32, 38.32], [106.97, 38.47], [106.75, 39.0], [106.85, 39.25], [106.75, 39.5]]]]}, "2024-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.75, 39.5], [106.97, 40.03], [107.32, 40.18], [107.35, 40.25], [107.25, 40.5], [107.47, 41.03], [108.0, 41.25], [108.25, 41.15], [108.5, 41.25], [108.75, 41.15], [109.0, 41.25], [109.25, 41.15], [109.5, 41.25], [110.03, 41.03], [110.25, 40.5], [110.15, 40.25], [110.25, 40.0], [110.15, 39.75], [110.25, 39.5], [110.15, 39.25], [110.25, 39.0], [110.03, 38.47], [109.5, 38.25], [109.25, 38.35], [109.18, 38.32], [109.03, 37.97], [108.68, 37.82], [108.53, 37.47], [108.0, 37.25], [107.47, 37.47], [107.25, 38.0], [107.35, 38.25], [107.32, 38.32], [106.97, 38.47], [106.75, 39.0], [106.85, 39.25], [106.75, 39.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.135286958202926}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.147394047703668}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.836123235238972, 28.671469441082024, 28.209375238124608]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.77502948512489, 29.950992446514533, 29.67176596039093]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.645385345857627, 5.596575118156225, 5.200221679097153]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.492613357051425, 7.135286958202926, 6.665676305396232]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5865131182762033, 1.879513780575419, 1.7630205825903682]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8762512940539469, 2.4668109896628927, 2.3324600663073953]}}