{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:00.490637", "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": "2023-Jan-13_to_2023-Jan-17_120.0_-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": 2023010002132}, "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": "January 13 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 17 2023"}, "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": 73823.77548157421}, "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": ["Flores Sea", "Gulf of Boni", "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": 120.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "120.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 115.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 120.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.47, -4.47], [116.0, -4.25], [116.25, -4.35], [116.5, -4.25], [116.75, -4.35], [117.0, -4.25], [117.53, -4.47], [117.68, -4.82], [117.75, -4.85], [118.0, -4.75], [118.25, -4.85], [118.5, -4.75], [118.75, -4.85], [119.0, -4.75], [119.25, -4.85], [119.32, -4.82], [119.47, -4.47], [120.0, -4.25], [120.25, -4.35], [120.5, -4.25], [121.03, -4.47], [121.25, -5.0], [121.15, -5.25], [121.25, -5.5], [121.03, -6.03], [120.5, -6.25], [120.25, -6.15], [120.18, -6.18], [120.15, -6.25], [120.25, -6.5], [120.03, -7.03], [119.5, -7.25], [118.97, -7.03], [118.82, -6.68], [118.75, -6.65], [118.5, -6.75], [118.25, -6.65], [118.18, -6.68], [118.03, -7.03], [117.5, -7.25], [116.97, -7.03], [116.82, -6.68], [116.75, -6.65], [116.5, -6.75], [116.25, -6.65], [116.0, -6.75], [115.47, -6.53], [115.25, -6.0], [115.46, -5.5], [115.25, -5.0], [115.47, -4.47]]]]}, "2023-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.47, -4.47], [116.0, -4.25], [116.25, -4.35], [116.5, -4.25], [116.75, -4.35], [117.0, -4.25], [117.53, -4.47], [117.68, -4.82], [117.75, -4.85], [118.0, -4.75], [118.25, -4.85], [118.5, -4.75], [118.75, -4.85], [119.0, -4.75], [119.25, -4.85], [119.32, -4.82], [119.47, -4.47], [120.0, -4.25], [120.25, -4.35], [120.5, -4.25], [121.03, -4.47], [121.25, -5.0], [121.15, -5.25], [121.25, -5.5], [121.03, -6.03], [120.5, -6.25], [120.25, -6.15], [120.18, -6.18], [120.15, -6.25], [120.25, -6.5], [120.03, -7.03], [119.5, -7.25], [118.97, -7.03], [118.82, -6.68], [118.75, -6.65], [118.5, -6.75], [118.25, -6.65], [118.18, -6.68], [118.03, -7.03], [117.5, -7.25], [116.97, -7.03], [116.82, -6.68], [116.75, -6.65], [116.5, -6.75], [116.25, -6.65], [116.0, -6.75], [115.47, -6.53], [115.25, -6.0], [115.46, -5.5], [115.25, -5.0], [115.47, -4.47]]]]}, "2023-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.47, -4.47], [116.0, -4.25], [116.25, -4.35], [116.5, -4.25], [116.75, -4.35], [117.0, -4.25], [117.53, -4.47], [117.68, -4.82], [117.75, -4.85], [118.0, -4.75], [118.25, -4.85], [118.5, -4.75], [118.75, -4.85], [119.0, -4.75], [119.25, -4.85], [119.32, -4.82], [119.47, -4.47], [120.0, -4.25], [120.25, -4.35], [120.5, -4.25], [121.03, -4.47], [121.25, -5.0], [121.15, -5.25], [121.25, -5.5], [121.03, -6.03], [120.5, -6.25], [120.25, -6.15], [120.18, -6.18], [120.15, -6.25], [120.25, -6.5], [120.03, -7.03], [119.5, -7.25], [118.97, -7.03], [118.82, -6.68], [118.75, -6.65], [118.5, -6.75], [118.25, -6.65], [118.18, -6.68], [118.03, -7.03], [117.5, -7.25], [116.97, -7.03], [116.82, -6.68], [116.75, -6.65], [116.5, -6.75], [116.25, -6.65], [116.0, -6.75], [115.47, -6.53], [115.25, -6.0], [115.46, -5.5], [115.25, -5.0], [115.47, -4.47]]]]}, "2023-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.0, -4.25], [120.53, -4.47], [120.75, -5.0], [120.65, -5.25], [120.75, -5.5], [120.53, -6.03], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.47, -4.47], [120.0, -4.25]]]]}, "2023-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.0, -4.25], [120.53, -4.47], [120.75, -5.0], [120.65, -5.25], [120.75, -5.5], [120.53, -6.03], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.47, -4.47], [120.0, -4.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9150814047256972}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1303255525351847}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.72625206264354, 27.930976851214723, 27.9060800751368, 27.03158231232129, 27.048156212317338]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.548381570630568, 28.813084956116597, 28.802522687477506, 27.461833091987558, 27.527290416683]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9718265079268704, 1.1763331384478992, 1.14056072814594, 1.5257947191185508, 1.5529066506305753]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.348231140062353, 1.7141316471158348, 1.526097446770848, 1.9150814047256972, 1.9025867203014855]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4828251306644609, 1.7845431331256822, 1.7543462888889307, 1.7591171608883467, 1.7832469923626508]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.654806893807667, 2.14854754488461, 2.1469986553599427, 2.1166533038832576, 2.090317811344916]}}