{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:44.690799", "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": "2012-Feb-21_to_2012-Feb-26_118.5_-7.0"}, "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": 2012020002475}, "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": "February 21 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 26 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 67382.75868575742}, "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", "Java Sea", "Savu 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": -7.0}, "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": 118.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "118.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 118.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 122.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-02-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.5, -6.25], [119.03, -6.47], [119.25, -7.0], [119.03, -7.53], [118.5, -7.75], [117.97, -7.53], [117.75, -7.0], [117.97, -6.47], [118.5, -6.25]]]]}, "2012-02-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -6.47], [118.5, -6.25], [118.75, -6.35], [119.0, -6.25], [119.25, -6.35], [119.5, -6.25], [119.75, -6.35], [120.0, -6.25], [120.25, -6.35], [120.5, -6.25], [121.03, -6.47], [121.18, -6.82], [121.5, -6.96], [122.0, -6.75], [122.53, -6.97], [122.75, -7.5], [122.65, -7.75], [122.75, -8.0], [122.53, -8.53], [122.0, -8.75], [121.75, -8.65], [121.5, -8.75], [121.25, -8.65], [121.0, -8.75], [120.75, -8.65], [120.5, -8.75], [120.25, -8.65], [120.0, -8.75], [119.75, -8.65], [119.5, -8.75], [118.97, -8.53], [118.82, -8.18], [118.75, -8.15], [118.5, -8.25], [117.97, -8.03], [117.75, -7.5], [117.85, -7.25], [117.75, -7.0], [117.97, -6.47]]]]}, "2012-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -6.47], [118.5, -6.25], [118.75, -6.35], [119.0, -6.25], [119.25, -6.35], [119.5, -6.25], [119.75, -6.35], [120.0, -6.25], [120.25, -6.35], [120.5, -6.25], [121.03, -6.47], [121.18, -6.82], [121.5, -6.96], [122.0, -6.75], [122.53, -6.97], [122.75, -7.5], [122.65, -7.75], [122.75, -8.0], [122.53, -8.53], [122.0, -8.75], [121.75, -8.65], [121.5, -8.75], [121.25, -8.65], [121.0, -8.75], [120.75, -8.65], [120.5, -8.75], [120.25, -8.65], [120.18, -8.68], [120.03, -9.03], [119.5, -9.25], [118.97, -9.03], [118.82, -8.68], [118.47, -8.53], [118.32, -8.18], [117.97, -8.03], [117.75, -7.5], [117.85, -7.25], [117.75, -7.0], [117.97, -6.47]]]]}, "2012-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -6.47], [118.5, -6.25], [118.75, -6.35], [119.0, -6.25], [119.25, -6.35], [119.5, -6.25], [119.75, -6.35], [120.0, -6.25], [120.25, -6.35], [120.5, -6.25], [121.03, -6.47], [121.18, -6.82], [121.5, -6.96], [122.0, -6.75], [122.53, -6.97], [122.75, -7.5], [122.65, -7.75], [122.75, -8.0], [122.53, -8.53], [122.0, -8.75], [121.75, -8.65], [121.5, -8.75], [121.25, -8.65], [121.0, -8.75], [120.75, -8.65], [120.63, -8.7], [120.75, -9.0], [120.53, -9.53], [120.0, -9.75], [119.75, -9.65], [119.5, -9.75], [118.97, -9.53], [118.75, -9.0], [118.85, -8.75], [118.82, -8.68], [118.47, -8.53], [118.32, -8.18], [117.97, -8.03], [117.75, -7.5], [117.85, -7.25], [117.75, -7.0], [117.97, -6.47]]]]}, "2012-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, -6.47], [118.5, -6.25], [118.75, -6.35], [119.0, -6.25], [119.25, -6.35], [119.5, -6.25], [119.75, -6.35], [120.0, -6.25], [120.25, -6.35], [120.5, -6.25], [121.03, -6.47], [121.18, -6.82], [121.5, -6.96], [122.0, -6.75], [122.53, -6.97], [122.75, -7.5], [122.65, -7.75], [122.75, -8.0], [122.53, -8.53], [122.0, -8.75], [121.75, -8.65], [121.5, -8.75], [121.25, -8.65], [121.0, -8.75], [120.75, -8.65], [120.63, -8.7], [120.75, -9.0], [120.53, -9.53], [120.0, -9.75], [119.75, -9.65], [119.5, -9.75], [118.97, -9.53], [118.75, -9.0], [118.85, -8.75], [118.82, -8.68], [118.47, -8.53], 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maximum t2m.", "value": [27.70567984192604, 28.510704462505714, 28.47244834402403, 28.40107204035081, 28.612962211218303, 28.17482759439048]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.7976836221807275, 1.211729179950838, 1.1869232236520673, 1.2402988995849, 1.3977077173380328, 0.9947065412396796]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7976836221807275, 1.5431165940310052, 1.4836957560993937, 1.476128869528793, 1.5741919810037075, 1.0245913316055635]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4786070573996428, 2.098069227858393, 1.9621409755108565, 1.982171668050973, 2.2199136091207263, 1.5822563072728846]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4786070573996428, 2.792103296186146, 2.4346769442102323, 2.4067518242529076, 2.5476331382114488, 1.604159305801379]}}