{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:43.423128", "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": "2017-Dec-05_to_2017-Dec-09_128.5_1.0"}, "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": 2017120001536}, "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 05 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 09 2017"}, "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": 58707.17855817938}, "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": ["Halmahera Sea", "Molukka Sea", "North Pacific Ocean", "Philippine 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": 1.0}, "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": 128.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "128.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 127.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 130.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.25}, "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": {"2017-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.47, 1.03], [127.82, 1.18], [127.85, 1.25], [127.75, 1.5], [127.88, 1.8], [127.47, 1.97], [127.25, 2.5], [127.47, 3.03], [127.82, 3.18], [127.97, 3.53], [128.5, 3.75], [129.03, 3.53], [129.18, 3.18], [129.53, 3.03], [129.68, 2.68], [130.03, 2.53], [130.18, 2.18], [130.53, 2.03], [130.75, 1.5], [130.65, 1.25], [130.75, 1.0], [130.53, 0.47], [130.0, 0.25], [129.75, 0.35], [129.68, 0.32], [129.53, -0.03], [129.18, -0.18], [129.03, -0.53], [128.5, -0.75], [128.25, -0.65], [128.0, -0.75], [127.47, -0.53], [127.25, 0.0], [127.35, 0.25], [127.25, 0.5], [127.47, 1.03]]]]}, "2017-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.47, 1.03], [127.82, 1.18], [127.85, 1.25], [127.75, 1.5], [127.88, 1.8], [127.47, 1.97], [127.25, 2.5], [127.47, 3.03], [127.82, 3.18], [127.97, 3.53], [128.5, 3.75], [129.03, 3.53], [129.18, 3.18], [129.53, 3.03], [129.68, 2.68], [130.03, 2.53], [130.18, 2.18], [130.53, 2.03], [130.75, 1.5], [130.65, 1.25], [130.75, 1.0], [130.53, 0.47], [130.0, 0.25], [129.75, 0.35], [129.68, 0.32], [129.53, -0.03], [129.18, -0.18], [129.03, -0.53], [128.5, -0.75], [128.25, -0.65], [128.0, -0.75], [127.47, -0.53], [127.25, 0.0], [127.35, 0.25], [127.25, 0.5], [127.47, 1.03]]]]}, "2017-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.47, 1.03], [127.82, 1.18], [127.85, 1.25], [127.75, 1.5], [127.88, 1.8], [127.47, 1.97], [127.25, 2.5], [127.47, 3.03], [127.82, 3.18], [127.97, 3.53], [128.5, 3.75], [129.03, 3.53], [129.18, 3.18], [129.53, 3.03], [129.68, 2.68], [130.03, 2.53], [130.18, 2.18], [130.53, 2.03], [130.75, 1.5], [130.65, 1.25], [130.75, 1.0], [130.53, 0.47], [130.0, 0.25], [129.75, 0.35], [129.68, 0.32], [129.53, -0.03], [129.18, -0.18], [129.03, -0.53], [128.5, -0.75], [128.25, -0.65], [128.0, -0.75], [127.47, -0.53], [127.25, 0.0], [127.35, 0.25], [127.25, 0.5], [127.47, 1.03]]]]}, "2017-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.75, 1.5], [127.96, 2.0], [127.75, 2.5], [127.97, 3.03], [128.5, 3.25], [128.75, 3.15], [129.0, 3.25], [129.53, 3.03], [129.75, 2.5], [129.53, 1.97], [129.13, 1.8], [129.25, 1.5], [129.15, 1.25], [129.25, 1.0], [129.15, 0.75], [129.25, 0.5], [129.03, -0.03], [128.5, -0.25], [128.25, -0.15], [128.0, -0.25], [127.47, -0.03], [127.25, 0.5], [127.47, 1.03], [127.82, 1.18], [127.85, 1.25], [127.75, 1.5]]]]}, "2017-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.75, 1.5], [127.97, 2.03], [128.38, 2.2], [128.25, 2.5], [128.47, 3.03], [129.0, 3.25], [129.53, 3.03], [129.75, 2.5], [129.53, 1.97], [129.13, 1.8], [129.25, 1.5], [129.15, 1.25], [129.25, 1.0], [129.15, 0.75], [129.25, 0.5], [129.03, -0.03], [128.5, -0.25], [128.25, -0.15], [128.0, -0.25], [127.47, -0.03], [127.25, 0.5], [127.47, 1.03], [127.82, 1.18], [127.85, 1.25], [127.75, 1.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5488694757906387}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.007583921043693}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.07402395265285, 27.90306076942437, 27.864244858334757, 27.125405217837113, 27.24075410987348]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.70506193274241, 28.404804370946863, 28.49931897564221, 28.008524689956687, 28.148526906065626]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1436302033509498, 0.9579946846619333, 0.9161402914090756, 0.9911852634775945, 1.0462113282176688]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5488694757906387, 1.4217384509854014, 1.0875272892081398, 1.3280536480202727, 1.3596047430847307]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.017900876844762, 1.7010516726459932, 1.6490228409338714, 1.7719809398382294, 1.9575120561112638]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.604990151929781, 2.091505602893399, 1.9294414255765204, 2.0349113244884385, 2.7457073336623252]}}