{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:15:15.983873", "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": "2021-Oct-27_to_2021-Oct-29_122.5_-6.5"}, "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": 2021100002539}, "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": "October 27 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 29 2021"}, "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": 61422.05626555251}, "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": ["Indonesia"]}, "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": ["Banda Sea", "Bone Basin", "Flores Sea", "Java Sea"]}, "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": -6.5}, "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": 122.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "122.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 119.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 123.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[118.25, -6.0], [118.47, -5.47], [119.0, -5.25], [119.25, -5.35], [119.5, -5.25], [119.75, -5.35], [120.0, -5.25], [120.25, -5.35], [120.5, -5.25], [120.75, -5.35], [121.0, -5.25], [121.25, -5.35], [121.5, -5.25], [121.75, -5.35], [122.0, -5.25], [122.53, -5.47], [122.68, -5.82], [122.75, -5.85], [123.0, -5.75], [123.25, -5.85], [123.5, -5.75], [124.03, -5.97], [124.25, -6.5], [124.03, -7.03], [123.68, -7.18], [123.65, -7.25], [123.75, -7.5], [123.53, -8.03], [123.0, -8.25], [122.75, -8.15], [122.5, -8.25], [121.97, -8.03], [121.82, -7.68], [121.47, -7.53], [121.32, -7.18], [121.25, -7.15], [121.0, -7.25], [120.75, -7.15], [120.5, -7.25], [120.25, -7.15], [120.0, -7.25], [119.47, -7.03], [119.32, -6.68], [119.25, -6.65], [119.0, -6.75], [118.47, -6.53], [118.25, -6.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.0, -6.75], [118.47, -6.53], [118.25, -6.0], [118.47, -5.47], [119.0, -5.25], [119.25, -5.35], [119.5, -5.25], [119.75, -5.35], [120.0, -5.25], [120.25, -5.35], [120.5, -5.25], [120.75, -5.35], [121.0, -5.25], [121.25, -5.35], [121.5, -5.25], [121.75, -5.35], [122.0, -5.25], [122.53, -5.47], [122.68, -5.82], [122.75, -5.85], [123.0, -5.75], [123.25, -5.85], [123.5, -5.75], [124.03, -5.97], [124.25, -6.5], [124.03, -7.03], [123.68, -7.18], [123.65, -7.25], [123.75, -7.5], [123.53, -8.03], [123.0, -8.25], [122.75, -8.15], [122.5, -8.25], [121.97, -8.03], [121.82, -7.68], [121.47, -7.53], [121.32, -7.18], [121.25, -7.15], [121.0, -7.25], [120.75, -7.15], [120.5, -7.25], [120.25, -7.15], [120.0, -7.25], [119.47, -7.03], [119.32, -6.68], [119.25, -6.65], [119.0, -6.75]]]]}, "2021-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.0, -6.75], [118.47, -6.53], [118.25, -6.0], [118.47, -5.47], [119.0, -5.25], [119.25, -5.35], [119.5, -5.25], [119.75, -5.35], [120.0, -5.25], [120.25, -5.35], [120.5, -5.25], [120.75, -5.35], [121.0, -5.25], [121.25, -5.35], [121.5, -5.25], [121.75, -5.35], [122.0, -5.25], [122.53, -5.47], [122.68, -5.82], [122.75, -5.85], [123.0, -5.75], [123.25, -5.85], [123.5, -5.75], [124.03, -5.97], [124.25, -6.5], [124.03, -7.03], [123.68, -7.18], [123.65, -7.25], [123.75, -7.5], [123.53, -8.03], [123.0, -8.25], [122.75, -8.15], [122.5, -8.25], [121.97, -8.03], [121.82, -7.68], [121.47, -7.53], [121.32, -7.18], [121.25, -7.15], [121.0, -7.25], [120.75, -7.15], [120.5, -7.25], [120.25, -7.15], [120.0, -7.25], [119.47, -7.03], [119.32, -6.68], [119.25, -6.65], [119.0, -6.75]]]]}, "2021-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.0, -6.75], [118.47, -6.53], [118.25, -6.0], [118.47, -5.47], [119.0, -5.25], [119.25, -5.35], [119.5, -5.25], [119.75, -5.35], [120.0, -5.25], [120.25, -5.35], [120.5, -5.25], [120.75, -5.35], [121.0, -5.25], [121.25, -5.35], [121.5, -5.25], [121.75, -5.35], [122.0, -5.25], [122.53, -5.47], [122.68, -5.82], [122.75, -5.85], [123.0, -5.75], [123.25, -5.85], [123.5, -5.75], [124.03, -5.97], [124.25, -6.5], [124.03, -7.03], [123.68, -7.18], [123.65, -7.25], [123.75, -7.5], [123.53, -8.03], [123.0, -8.25], [122.75, -8.15], [122.5, -8.25], [121.97, -8.03], [121.82, -7.68], [121.47, -7.53], [121.32, -7.18], [121.25, -7.15], [121.0, -7.25], [120.75, -7.15], [120.5, -7.25], [120.25, -7.15], [120.0, -7.25], [119.47, -7.03], [119.32, -6.68], [119.25, -6.65], [119.0, -6.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.3244124021690595}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.981401516730952}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.58596148829622, 28.612040585229067, 28.53065406360031]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.805981972849395, 28.858418926382058, 29.012866849861837]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0140752918407288, 1.0164385671289211, 0.9136906912232063]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2906756830193444, 1.2480490716883992, 1.3244124021690595]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9477864260489821, 1.940289815980649, 1.786448131781356]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3972114259815407, 2.374662726593741, 2.612737576077915]}}