{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:20:23.945532", "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": "2022-May-06_to_2022-May-08_106.5_31.5"}, "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": 2022050001751}, "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": "May 06 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 08 2022"}, "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": 60950.4912024824}, "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": 31.5}, "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": 105.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 108.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[105.32, 31.68], [105.47, 32.03], [105.82, 32.18], [105.97, 32.53], [106.5, 32.75], [106.75, 32.65], [107.0, 32.75], [107.25, 32.65], [107.5, 32.75], [108.03, 32.53], [108.18, 32.18], [108.53, 32.03], [108.75, 31.5], [108.65, 31.25], [108.75, 31.0], [108.65, 30.75], [108.75, 30.5], [108.53, 29.97], [108.18, 29.82], [108.03, 29.47], [107.5, 29.25], [107.25, 29.35], [107.0, 29.25], [106.75, 29.35], [106.5, 29.25], [105.97, 29.47], [105.82, 29.82], [105.75, 29.85], [105.5, 29.75], [104.97, 29.97], [104.75, 30.5], [104.85, 30.75], [104.75, 31.0], [104.97, 31.53], [105.32, 31.68]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.75, 31.0], [104.97, 31.53], [105.32, 31.68], [105.47, 32.03], [105.82, 32.18], [105.97, 32.53], [106.5, 32.75], [106.75, 32.65], [107.0, 32.75], [107.25, 32.65], [107.5, 32.75], [108.03, 32.53], [108.18, 32.18], [108.53, 32.03], [108.75, 31.5], [108.65, 31.25], [108.75, 31.0], [108.65, 30.75], [108.75, 30.5], [108.53, 29.97], [108.18, 29.82], [108.03, 29.47], [107.5, 29.25], [107.25, 29.35], [107.0, 29.25], [106.75, 29.35], [106.5, 29.25], [105.97, 29.47], [105.82, 29.82], [105.75, 29.85], [105.5, 29.75], [104.97, 29.97], [104.75, 30.5], [104.85, 30.75], [104.75, 31.0]]]]}, "2022-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.75, 31.0], [104.97, 31.53], [105.32, 31.68], [105.47, 32.03], [105.82, 32.18], [105.97, 32.53], [106.5, 32.75], [106.75, 32.65], [107.0, 32.75], [107.25, 32.65], [107.5, 32.75], [108.03, 32.53], [108.18, 32.18], [108.53, 32.03], [108.75, 31.5], [108.65, 31.25], [108.75, 31.0], [108.65, 30.75], [108.75, 30.5], [108.53, 29.97], [108.18, 29.82], [108.03, 29.47], [107.5, 29.25], [107.25, 29.35], [107.0, 29.25], [106.75, 29.35], [106.5, 29.25], [105.97, 29.47], [105.82, 29.82], [105.75, 29.85], [105.5, 29.75], [104.97, 29.97], [104.75, 30.5], [104.85, 30.75], [104.75, 31.0]]]]}, "2022-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.75, 31.0], [104.97, 31.53], [105.32, 31.68], [105.47, 32.03], [105.82, 32.18], [105.97, 32.53], [106.5, 32.75], [106.75, 32.65], [107.0, 32.75], [107.25, 32.65], [107.5, 32.75], [108.03, 32.53], [108.18, 32.18], [108.53, 32.03], [108.75, 31.5], [108.65, 31.25], [108.75, 31.0], [108.65, 30.75], [108.75, 30.5], [108.53, 29.97], [108.18, 29.82], [108.03, 29.47], [107.5, 29.25], [107.25, 29.35], [107.0, 29.25], [106.75, 29.35], [106.5, 29.25], [105.97, 29.47], [105.82, 29.82], [105.75, 29.85], [105.5, 29.75], [104.97, 29.97], [104.75, 30.5], [104.85, 30.75], [104.75, 31.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.042333976858913}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.6676604913017}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.29861965506376, 25.91702643710306, 25.36458127555386]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.55047942591301, 27.59806633339241, 26.915178801724437]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.505998433184973, 5.080466423898688, 4.416516616821441]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.341400651542017, 6.042333976858913, 5.236393681041704]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4979283798274305, 1.7672039111284916, 1.5566636546064434]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7356045336279877, 2.1367542007526756, 1.7986872277267485]}}