{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:28:44.585234", "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-Dec-15_to_2021-Dec-19_106.0_-5.0"}, "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": 2021120001981}, "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": "December 15 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 19 2021"}, "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": 52381.75501625333}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "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": ["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": -5.0}, "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": 106.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 103.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 106.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.0, -4.25], [106.53, -4.47], [106.75, -5.0], [106.53, -5.53], [106.0, -5.75], [105.47, -5.53], [105.25, -5.0], [105.47, -4.47], [106.0, -4.25]]]]}, "2021-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.0, -4.25], [106.53, -4.47], [106.75, -5.0], [106.53, -5.53], [106.0, -5.75], [105.47, -5.53], [105.25, -5.0], [105.47, -4.47], [106.0, -4.25]]]]}, "2021-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.75, -4.0], [102.97, -3.47], [103.5, -3.25], [103.75, -3.35], [103.82, -3.32], [103.97, -2.97], [104.5, -2.75], [105.03, -2.97], [105.18, -3.32], [105.25, -3.35], [105.5, -3.25], [106.03, -3.47], [106.18, -3.82], [106.53, -3.97], [106.75, -4.5], [106.65, -4.75], [106.68, -4.82], [107.03, -4.97], [107.25, -5.5], [107.03, -6.03], [106.5, -6.25], [106.25, -6.15], [106.0, -6.25], [105.47, -6.03], [105.32, -5.68], [105.25, -5.65], [105.0, -5.75], [104.75, -5.65], [104.5, -5.75], [103.97, -5.53], [103.82, -5.18], [103.47, -5.03], [103.32, -4.68], [102.97, -4.53], [102.75, -4.0]]]]}, "2021-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.75, -4.0], [102.97, -3.47], [103.5, -3.25], [103.75, -3.35], [103.82, -3.32], [103.97, -2.97], [104.5, -2.75], [105.03, -2.97], [105.18, -3.32], [105.25, -3.35], [105.5, -3.25], [106.03, -3.47], [106.18, -3.82], [106.53, -3.97], [106.75, -4.5], [106.65, -4.75], [106.68, -4.82], [107.03, -4.97], [107.25, -5.5], [107.03, -6.03], [106.5, -6.25], [106.25, -6.15], [106.0, -6.25], [105.47, -6.03], [105.32, -5.68], [105.25, -5.65], [105.0, -5.75], [104.75, -5.65], [104.5, -5.75], [103.97, -5.53], [103.82, -5.18], [103.47, -5.03], [103.32, -4.68], [102.97, -4.53], [102.75, -4.0]]]]}, "2021-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.75, -4.0], [102.97, -3.47], [103.5, -3.25], [103.75, -3.35], [103.82, -3.32], [103.97, -2.97], [104.5, -2.75], [105.03, -2.97], [105.18, -3.32], [105.25, -3.35], [105.5, -3.25], [106.03, -3.47], [106.18, -3.82], [106.53, -3.97], [106.75, -4.5], [106.65, -4.75], [106.68, -4.82], [107.03, -4.97], [107.25, -5.5], [107.03, -6.03], [106.5, -6.25], [106.25, -6.15], [106.0, -6.25], [105.47, -6.03], [105.32, -5.68], [105.25, -5.65], [105.0, -5.75], [104.75, -5.65], [104.5, -5.75], [103.97, -5.53], [103.82, -5.18], [103.47, -5.03], [103.32, -4.68], [102.97, -4.53], [102.75, -4.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0246941836563224}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1969449378199504}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.390926690895924, 27.383234426593674, 26.970868728503945, 27.487286391859698, 26.950256794282097]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.390926690895924, 27.383234426593674, 27.85664606120025, 28.364875313175332, 28.15974826511325]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7179344382170143, 0.7207228841685946, 1.0393282395984396, 1.5636023517284812, 1.0440943723243596]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7179344382170143, 0.7207228841685946, 1.3471289973610965, 2.0246941836563224, 1.4485793154264002]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4300747026962255, 1.4331596812057434, 1.5768970119064356, 2.3714541126442943, 1.5826650045571755]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4300747026962255, 1.4331596812057434, 1.9060858037728945, 2.908481327046361, 1.9768724912444353]}}