{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:00:43.966898", "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-Aug-19_to_2024-Aug-22_105.0_-11.0"}, "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": 2024080002217}, "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": "August 19 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 22 2024"}, "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": 57614.13465104755}, "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": ["Christmas Island"]}, "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": ["Indian Ocean"]}, "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": -11.0}, "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": 105.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "105.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 103.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 107.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[103.25, -10.35], [103.32, -10.32], [103.47, -9.97], [104.0, -9.75], [104.53, -9.97], [104.68, -10.32], [104.75, -10.35], [104.82, -10.32], [104.97, -9.97], [105.5, -9.75], [106.03, -9.97], [106.18, -10.32], [106.25, -10.35], [106.5, -10.25], [107.03, -10.47], [107.18, -10.82], [107.53, -10.97], [107.75, -11.5], [107.53, -12.03], [107.0, -12.25], [106.75, -12.15], [106.5, -12.25], [106.25, -12.15], [106.0, -12.25], [105.75, -12.15], [105.5, -12.25], [105.25, -12.15], [105.0, -12.25], [104.75, -12.15], [104.5, -12.25], [104.25, -12.15], [104.0, -12.25], [103.75, -12.15], [103.5, -12.25], [103.25, -12.15], [103.0, -12.25], [102.47, -12.03], [102.25, -11.5], [102.35, -11.25], [102.25, -11.0], [102.47, -10.47], [103.0, -10.25], [103.25, -10.35]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia", "S.Indian-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, -11.0], [102.47, -10.47], [103.0, -10.25], [103.25, -10.35], [103.5, -10.25], [103.75, -10.35], [104.0, -10.25], [104.25, -10.35], [104.5, -10.25], [104.75, -10.35], [105.0, -10.25], [105.25, -10.35], [105.5, -10.25], [106.03, -10.47], [106.18, -10.82], [106.25, -10.85], [106.5, -10.75], [106.75, -10.85], [107.0, -10.75], [107.53, -10.97], [107.75, -11.5], [107.53, -12.03], [107.0, -12.25], [106.75, -12.15], [106.5, -12.25], [106.25, -12.15], [106.0, -12.25], [105.75, -12.15], [105.5, -12.25], [105.25, -12.15], [105.0, -12.25], [104.75, -12.15], [104.5, -12.25], [104.25, -12.15], [104.0, -12.25], [103.75, -12.15], [103.5, -12.25], [103.25, -12.15], [103.0, -12.25], [102.47, -12.03], [102.25, -11.5], [102.35, -11.25], [102.25, -11.0]]]]}, "2024-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, -11.0], [102.47, -10.47], [103.0, -10.25], [103.25, -10.35], [103.32, -10.32], [103.47, -9.97], [104.0, -9.75], [104.53, -9.97], [104.68, -10.32], [104.75, -10.35], [104.82, -10.32], [104.97, -9.97], [105.5, -9.75], [106.03, -9.97], [106.18, -10.32], [106.25, -10.35], [106.5, -10.25], [107.03, -10.47], [107.18, -10.82], [107.53, -10.97], [107.75, -11.5], [107.53, -12.03], [107.0, -12.25], [106.75, -12.15], [106.5, -12.25], [106.25, -12.15], [106.0, -12.25], [105.75, -12.15], [105.5, -12.25], [105.25, -12.15], [105.0, -12.25], [104.75, -12.15], [104.5, -12.25], [104.25, -12.15], [104.0, -12.25], [103.75, -12.15], [103.5, -12.25], [103.25, -12.15], [103.0, -12.25], [102.47, -12.03], [102.25, -11.5], [102.35, -11.25], [102.25, -11.0]]]]}, "2024-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, -11.0], [102.47, -10.47], [103.0, -10.25], [103.25, -10.35], [103.32, -10.32], [103.47, -9.97], [104.0, -9.75], [104.53, -9.97], [104.68, -10.32], [104.75, -10.35], [104.82, -10.32], [104.97, -9.97], [105.5, -9.75], [106.03, -9.97], [106.18, -10.32], [106.25, -10.35], [106.5, -10.25], [107.03, -10.47], [107.18, -10.82], [107.53, -10.97], [107.75, -11.5], [107.53, -12.03], [107.0, -12.25], [106.75, -12.15], [106.5, -12.25], [106.25, -12.15], [106.0, -12.25], [105.75, -12.15], [105.5, -12.25], [105.25, -12.15], [105.0, -12.25], [104.75, -12.15], [104.5, -12.25], [104.25, -12.15], [104.0, -12.25], [103.75, -12.15], [103.5, -12.25], [103.25, -12.15], [103.0, -12.25], [102.47, -12.03], [102.25, -11.5], [102.35, -11.25], [102.25, -11.0]]]]}, "2024-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.0, -11.25], [103.47, -11.03], [103.25, -10.5], [103.47, -9.97], [104.0, -9.75], [104.53, -9.97], [104.7, -10.37], [104.82, -10.32], [104.97, -9.97], [105.5, -9.75], [106.03, -9.97], [106.18, -10.32], [106.25, -10.35], [106.5, -10.25], [107.03, -10.47], [107.25, -11.0], [107.15, -11.25], [107.25, -11.5], [107.03, -12.03], [106.5, -12.25], [105.97, -12.03], [105.82, -11.68], [105.75, -11.65], [105.5, -11.75], [105.25, -11.65], [105.0, -11.75], [104.47, -11.53], [104.3, -11.13], [104.0, -11.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.0472423874164747}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.825163421777313}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.217755433602576, 26.29804614953929, 26.256303810561974, 26.161687724352248]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.322698014123432, 26.529615271075784, 26.404837894913726, 26.240087866840327]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.811104464423632, 0.8710913757346181, 0.8343624511468396, 0.7056593756480863]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.8810696966541514, 1.0472423874164747, 0.908297792234066, 0.7670620018945442]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3558985766720668, 1.4593208071543977, 1.3811382984394118, 1.1252075875352743]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4832230056888753, 1.759587939067001, 1.5213323176855145, 1.2118151848001215]}}