{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:47.517115", "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-21_to_2017-Dec-26_123.5_0.5"}, "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": 2017120002273}, "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 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 26 2017"}, "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": 61779.31279837478}, "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": ["Celebes Sea", "Molukka 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": 0.5}, "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": 123.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "123.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 122.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 125.25}, "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": 4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-12-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.97, -0.03], [122.75, 0.5], [122.97, 1.03], [123.5, 1.25], 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3.75], [122.25, 4.0], [122.47, 4.53], [123.0, 4.75], [123.53, 4.53], [123.75, 4.0], [123.65, 3.75], [123.68, 3.68], [124.03, 3.53], [124.18, 3.18], [124.53, 3.03], [124.75, 2.5], [124.65, 2.25], [124.68, 2.18], [124.75, 2.15], [125.0, 2.25], [125.53, 2.03], [125.75, 1.5], [125.53, 0.97], [125.18, 0.82], [125.03, 0.47], [124.68, 0.32], [124.53, -0.03], [124.0, -0.25], [123.75, -0.15], [123.5, -0.25], [123.25, -0.15], [123.0, -0.25], [122.47, -0.03], [122.25, 0.5], [122.47, 1.03], [122.88, 1.2], [122.82, 1.32], [122.47, 1.47], [122.25, 2.0], [122.35, 2.25], [122.25, 2.5], [122.35, 2.75]]]]}, "2017-12-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.35, 2.75], [122.25, 3.0], [122.35, 3.25], [122.25, 3.5], [122.35, 3.75], [122.25, 4.0], [122.47, 4.53], [123.0, 4.75], [123.53, 4.53], [123.75, 4.0], [123.65, 3.75], [123.68, 3.68], [124.03, 3.53], [124.18, 3.18], [124.53, 3.03], [124.75, 2.5], [124.65, 2.25], [124.68, 2.18], [124.75, 2.15], [125.0, 2.25], [125.53, 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2.47], [123.5, 2.25], [123.25, 2.35], [123.0, 2.25], [122.47, 2.47], [122.25, 3.0], [122.35, 3.25], [122.25, 3.5], [122.35, 3.75], [122.25, 4.0]]]]}, "2017-12-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.25, 0.5], [122.47, 1.03], [123.0, 1.25], [123.25, 1.15], [123.5, 1.25], [123.8, 1.13], [123.97, 1.53], [124.32, 1.68], [124.47, 2.03], [125.0, 2.25], [125.53, 2.03], [125.75, 1.5], [125.65, 1.25], [125.75, 1.0], [125.53, 0.47], [125.0, 0.25], [124.75, 0.35], [124.5, 0.25], [124.2, 0.37], [124.03, -0.03], [123.5, -0.25], [123.25, -0.15], [123.0, -0.25], [122.47, -0.03], [122.25, 0.5]]], [[[122.47, 3.47], [122.25, 4.0], [122.47, 4.53], [123.0, 4.75], [123.53, 4.53], [123.75, 4.0], [123.53, 3.47], [123.0, 3.25], [122.47, 3.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.0450568038863253}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1712288538045437}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.25762852915426, 27.264511664461054, 27.60083343467886, 27.653285970060608, 27.187446358028126, 26.69235529188569]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.20193888872194, 28.10113851550068, 28.254642817994693, 28.401723797839566, 28.03887161226868, 27.61080303857574]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2815640158401038, 1.0056006400644075, 1.2587234574545025, 1.2430665125634044, 1.129310343619794, 1.0700682144470381]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4563762614301936, 1.413574196461468, 2.0450568038863253, 1.6080440899922337, 1.6225065602385484, 1.571919603150377]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.847451369170894, 1.6488017975414304, 2.092249449101544, 2.163476442353262, 1.8756691850932485, 1.6999928555812052]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.069081748220898, 2.4176750897412846, 2.7398217755303467, 3.025536848187932, 2.1504445961384717, 2.001065645224697]}}