{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:28:46.863270", "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-21_to_2021-Dec-24_121.5_16.5"}, "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": 2021120002273}, "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 21 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 24 2021"}, "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": 50110.167581493326}, "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": ["Philippines"]}, "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": ["Philippine Sea", "South China 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": 16.5}, "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": 121.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "121.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 120.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 122.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-12-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.46, 17.5], [120.25, 18.0], [120.35, 18.25], [120.25, 18.5], [120.35, 18.75], [120.25, 19.0], [120.47, 19.53], [121.0, 19.75], [121.25, 19.65], [121.5, 19.75], [122.03, 19.53], [122.25, 19.0], [122.15, 18.75], [122.18, 18.68], [122.53, 18.53], [122.75, 18.0], [122.65, 17.75], [122.68, 17.68], [123.03, 17.53], [123.25, 17.0], [123.03, 16.47], [122.68, 16.32], [122.53, 15.97], [122.18, 15.82], [122.03, 15.47], [121.5, 15.25], [120.97, 15.47], [120.82, 15.82], [120.47, 15.97], [120.25, 16.5], [120.35, 16.75], [120.25, 17.0], [120.46, 17.5]]]]}, "2021-12-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.46, 17.5], [120.25, 18.0], [120.35, 18.25], [120.25, 18.5], [120.35, 18.75], [120.25, 19.0], [120.47, 19.53], [121.0, 19.75], [121.25, 19.65], [121.5, 19.75], [122.03, 19.53], [122.25, 19.0], [122.15, 18.75], [122.18, 18.68], [122.53, 18.53], [122.75, 18.0], [122.65, 17.75], [122.68, 17.68], [123.03, 17.53], [123.25, 17.0], [123.03, 16.47], [122.68, 16.32], [122.53, 15.97], [122.18, 15.82], [122.03, 15.47], [121.5, 15.25], [120.97, 15.47], [120.82, 15.82], [120.47, 15.97], [120.25, 16.5], [120.35, 16.75], [120.25, 17.0], [120.46, 17.5]]]]}, "2021-12-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.46, 17.5], [120.25, 18.0], [120.35, 18.25], [120.25, 18.5], [120.35, 18.75], [120.25, 19.0], [120.47, 19.53], [121.0, 19.75], [121.25, 19.65], [121.5, 19.75], [122.03, 19.53], [122.25, 19.0], [122.15, 18.75], [122.18, 18.68], [122.53, 18.53], [122.75, 18.0], [122.65, 17.75], [122.68, 17.68], [123.03, 17.53], [123.25, 17.0], [123.03, 16.47], [122.68, 16.32], [122.53, 15.97], [122.18, 15.82], [122.03, 15.47], [121.5, 15.25], [120.97, 15.47], [120.82, 15.82], [120.47, 15.97], [120.25, 16.5], [120.35, 16.75], [120.25, 17.0], [120.46, 17.5]]]]}, "2021-12-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.46, 17.5], [120.25, 18.0], [120.35, 18.25], [120.25, 18.5], [120.35, 18.75], [120.25, 19.0], [120.47, 19.53], [121.0, 19.75], [121.25, 19.65], [121.5, 19.75], [122.03, 19.53], [122.25, 19.0], [122.15, 18.75], [122.18, 18.68], [122.53, 18.53], [122.75, 18.0], [122.65, 17.75], [122.68, 17.68], [123.03, 17.53], [123.25, 17.0], [123.03, 16.47], [122.5, 16.25], [122.25, 16.35], [122.18, 16.32], [122.15, 16.25], [122.25, 16.0], [122.03, 15.47], [121.5, 15.25], [120.97, 15.47], [120.82, 15.82], [120.47, 15.97], [120.25, 16.5], [120.35, 16.75], [120.25, 17.0], [120.46, 17.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.316974566728561}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.171257140305656}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.754139151026322, 24.311754570109827, 24.289197739340864, 24.046727437208006]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.65645040202861, 26.228247689198895, 26.4538874420673, 26.221432612931096]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.4762872635375457, 2.109823212239425, 2.139013610497356, 1.9466949333634638]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.316974566728561, 2.718662124377147, 2.788434792163514, 2.740593709222992]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8664803331948734, 1.5844009708003224, 1.5747610579185598, 1.4220968917586854]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.293970945499157, 1.977729788610328, 1.8538167874243932, 1.6605201607245574]}}