{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:23:04.735208", "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-Sep-03_to_2022-Sep-06_107.5_-1.5"}, "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": 2022090001440}, "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": "September 03 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 06 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 120312.06188685316}, "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": ["South China 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": -1.5}, "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": 107.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "107.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 106.5}, "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": -1.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[105.97, -0.47], [106.5, -0.25], [106.75, -0.35], [106.82, -0.32], [106.97, 0.03], [107.32, 0.18], [107.35, 0.25], [107.32, 0.32], [106.97, 0.47], [106.75, 1.0], [106.85, 1.25], [106.75, 1.5], [106.85, 1.75], [106.75, 2.0], [106.85, 2.25], [106.75, 2.5], [106.85, 2.75], [106.82, 2.82], [106.47, 2.97], [106.25, 3.5], [106.35, 3.75], [106.25, 4.0], [106.35, 4.25], [106.25, 4.5], [106.35, 4.75], [106.25, 5.0], [106.47, 5.53], [107.0, 5.75], [107.25, 5.65], [107.32, 5.68], [107.47, 6.03], [108.0, 6.25], [108.25, 6.15], [108.5, 6.25], [108.75, 6.15], [109.0, 6.25], [109.25, 6.15], [109.5, 6.25], [110.03, 6.03], [110.25, 5.5], [110.15, 5.25], [110.25, 5.0], [110.03, 4.47], [109.68, 4.32], [109.53, 3.97], [109.0, 3.75], [108.75, 3.85], [108.68, 3.82], [108.65, 3.75], [108.75, 3.5], [108.65, 3.25], [108.75, 3.0], [108.65, 2.75], [108.75, 2.5], [108.65, 2.25], [108.75, 2.0], [108.65, 1.75], [108.75, 1.5], [108.65, 1.25], [108.75, 1.0], [108.65, 0.75], [108.75, 0.5], [108.65, 0.25], [108.75, 0.0], [108.53, -0.53], [108.18, -0.68], [108.15, -0.75], [108.18, -0.82], [108.53, -0.97], [108.75, -1.5], [108.53, -2.03], [108.0, -2.25], [107.75, -2.15], [107.5, -2.25], [106.97, -2.03], [106.82, -1.68], [106.75, -1.65], [106.5, -1.75], [105.97, -1.53], [105.75, -1.0], [105.97, -0.47]]]]}}, "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": {"2022-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.5, -1.75], [105.97, -1.53], [105.75, -1.0], [105.97, -0.47], [106.5, -0.25], [106.75, -0.35], [107.0, -0.25], [107.25, -0.35], [107.5, -0.25], [108.03, -0.47], [108.18, -0.82], [108.53, -0.97], [108.75, -1.5], [108.53, -2.03], [108.0, -2.25], [107.75, -2.15], [107.5, -2.25], [106.97, -2.03], [106.82, -1.68], [106.75, -1.65], [106.5, -1.75]]]]}, "2022-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.25, 4.0], [106.35, 4.25], [106.25, 4.5], [106.35, 4.75], [106.25, 5.0], [106.47, 5.53], [107.0, 5.75], [107.25, 5.65], [107.32, 5.68], [107.47, 6.03], [108.0, 6.25], [108.25, 6.15], [108.5, 6.25], [108.75, 6.15], [109.0, 6.25], [109.25, 6.15], [109.5, 6.25], [110.03, 6.03], [110.25, 5.5], [110.15, 5.25], [110.25, 5.0], [110.03, 4.47], [109.68, 4.32], [109.53, 3.97], [109.0, 3.75], [108.75, 3.85], [108.68, 3.82], [108.65, 3.75], [108.75, 3.5], [108.65, 3.25], [108.75, 3.0], [108.65, 2.75], [108.75, 2.5], [108.65, 2.25], [108.75, 2.0], [108.65, 1.75], [108.75, 1.5], [108.65, 1.25], [108.75, 1.0], [108.65, 0.75], [108.75, 0.5], [108.65, 0.25], [108.75, 0.0], [108.53, -0.53], [108.18, -0.68], [108.15, -0.75], [108.18, -0.82], [108.53, -0.97], [108.75, -1.5], [108.53, -2.03], [108.0, -2.25], [107.75, -2.15], [107.5, -2.25], [106.97, -2.03], [106.82, -1.68], [106.75, -1.65], [106.5, -1.75], [105.97, -1.53], [105.75, -1.0], [105.97, -0.47], [106.5, -0.25], [106.75, -0.35], [106.82, -0.32], [106.97, 0.03], [107.32, 0.18], [107.35, 0.25], [107.32, 0.32], [106.97, 0.47], [106.75, 1.0], [106.85, 1.25], [106.75, 1.5], [106.85, 1.75], [106.75, 2.0], [106.85, 2.25], [106.75, 2.5], [106.85, 2.75], [106.82, 2.82], [106.47, 2.97], [106.25, 3.5], [106.35, 3.75], [106.25, 4.0]]]]}, "2022-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.25, 4.0], [106.35, 4.25], [106.25, 4.5], [106.35, 4.75], [106.25, 5.0], [106.47, 5.53], [107.0, 5.75], [107.25, 5.65], [107.32, 5.68], [107.47, 6.03], [108.0, 6.25], [108.25, 6.15], [108.5, 6.25], [108.75, 6.15], [109.0, 6.25], [109.25, 6.15], [109.5, 6.25], [110.03, 6.03], [110.25, 5.5], [110.15, 5.25], [110.25, 5.0], [110.03, 4.47], [109.68, 4.32], [109.53, 3.97], [109.0, 3.75], [108.75, 3.85], [108.68, 3.82], [108.65, 3.75], [108.75, 3.5], [108.65, 3.25], [108.75, 3.0], [108.65, 2.75], [108.75, 2.5], [108.65, 2.25], [108.75, 2.0], [108.65, 1.75], [108.75, 1.5], [108.65, 1.25], [108.75, 1.0], [108.65, 0.75], [108.75, 0.5], [108.65, 0.25], [108.75, 0.0], [108.53, -0.53], [108.18, -0.68], [108.15, -0.75], [108.18, -0.82], [108.53, -0.97], [108.75, -1.5], [108.53, -2.03], [108.0, -2.25], [107.75, -2.15], [107.5, -2.25], [106.97, -2.03], [106.82, -1.68], [106.75, -1.65], [106.5, -1.75], [105.97, -1.53], [105.75, -1.0], [105.97, -0.47], [106.5, -0.25], [106.75, -0.35], [106.82, -0.32], [106.97, 0.03], [107.32, 0.18], [107.35, 0.25], [107.32, 0.32], [106.97, 0.47], [106.75, 1.0], [106.85, 1.25], [106.75, 1.5], [106.85, 1.75], [106.75, 2.0], [106.85, 2.25], [106.75, 2.5], [106.85, 2.75], [106.82, 2.82], [106.47, 2.97], [106.25, 3.5], [106.35, 3.75], [106.25, 4.0]]]]}, "2022-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.25, 4.0], [106.35, 4.25], [106.25, 4.5], [106.35, 4.75], [106.25, 5.0], [106.47, 5.53], [107.0, 5.75], [107.25, 5.65], [107.32, 5.68], [107.47, 6.03], [108.0, 6.25], [108.25, 6.15], [108.5, 6.25], [108.75, 6.15], [109.0, 6.25], [109.25, 6.15], [109.5, 6.25], [110.03, 6.03], [110.25, 5.5], [110.15, 5.25], [110.25, 5.0], [110.03, 4.47], [109.68, 4.32], [109.53, 3.97], [109.0, 3.75], [108.75, 3.85], [108.68, 3.82], [108.65, 3.75], [108.75, 3.5], [108.65, 3.25], [108.75, 3.0], [108.65, 2.75], [108.75, 2.5], [108.65, 2.25], [108.75, 2.0], [108.65, 1.75], [108.75, 1.5], [108.65, 1.25], [108.75, 1.0], [108.65, 0.75], [108.75, 0.5], [108.65, 0.25], [108.75, 0.0], [108.53, -0.53], [108.18, -0.68], [108.15, -0.75], [108.18, -0.82], [108.53, -0.97], [108.75, -1.5], [108.53, -2.03], [108.0, -2.25], [107.75, -2.15], [107.5, -2.25], [106.97, -2.03], [106.75, -1.5], [106.85, -1.25], [106.75, -1.0], [106.85, -0.75], [106.75, -0.5], [106.97, 0.03], [107.32, 0.18], [107.35, 0.25], [107.32, 0.32], [106.97, 0.47], [106.75, 1.0], [106.85, 1.25], [106.75, 1.5], [106.85, 1.75], [106.75, 2.0], [106.85, 2.25], [106.75, 2.5], [106.85, 2.75], [106.82, 2.82], [106.47, 2.97], [106.25, 3.5], [106.35, 3.75], [106.25, 4.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.2270955334394102}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9037634645399522}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.91145503866005, 28.25612112399898, 28.304731519355983, 28.392059298517893]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.074400567732198, 28.564396619026184, 28.5768077837983, 28.714637034687087]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.6918383392819919, 0.8377005612708814, 0.9096930566821555, 0.9957857553571852]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7546420270099929, 1.0678201353208578, 1.1525451210939082, 1.2270955334394102]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3768748956136454, 1.4499945435123602, 1.5530524541690132, 1.6464775076307596]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.435787878047748, 1.840074581847976, 1.9077928525263508, 1.9867999045396427]}}