{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:37.119182", "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": "2016-Jun-26_to_2016-Jun-30_104.5_11.5"}, "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": 2016060000860}, "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": "June 26 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 30 2016"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 57428.26574261664}, "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": ["Cambodia", "Vietnam"]}, "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": []}, "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": 11.5}, "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": 104.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "104.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 103.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 106.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.47, 14.53], [105.0, 14.75], [105.53, 14.53], [105.75, 14.0], [105.65, 13.75], [105.68, 13.68], [105.75, 13.65], [106.0, 13.75], [106.53, 13.53], [106.75, 13.0], [106.65, 12.75], [106.75, 12.5], [106.53, 11.97], [106.0, 11.75], [105.75, 11.85], [105.5, 11.75], [104.97, 11.97], [104.75, 12.5], [104.85, 12.75], [104.82, 12.82], [104.47, 12.97], [104.25, 13.5], [104.35, 13.75], [104.25, 14.0], [104.47, 14.53]]]]}, "2016-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.85, 11.25], [103.75, 11.5], [103.85, 11.75], [103.75, 12.0], [103.85, 12.25], [103.75, 12.5], [103.97, 13.03], [104.38, 13.2], [104.25, 13.5], [104.35, 13.75], [104.25, 14.0], [104.47, 14.53], [105.0, 14.75], [105.53, 14.53], [105.75, 14.0], [105.65, 13.75], [105.68, 13.68], [105.75, 13.65], [106.0, 13.75], [106.53, 13.53], [106.75, 13.0], [106.65, 12.75], [106.75, 12.5], [106.53, 11.97], [106.18, 11.82], [106.15, 11.75], [106.25, 11.5], [106.03, 10.97], [105.68, 10.82], [105.65, 10.75], [105.75, 10.5], [105.53, 9.97], [105.0, 9.75], [104.75, 9.85], [104.5, 9.75], [103.97, 9.97], [103.75, 10.5], [103.85, 10.75], [103.75, 11.0], [103.85, 11.25]]]]}, "2016-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.75, 12.5], [102.97, 13.03], [103.5, 13.25], [104.0, 13.04], [104.38, 13.2], [104.25, 13.5], [104.35, 13.75], [104.25, 14.0], [104.47, 14.53], [105.0, 14.75], [105.53, 14.53], [105.75, 14.0], [105.65, 13.75], [105.68, 13.68], [105.75, 13.65], [106.0, 13.75], [106.53, 13.53], [106.75, 13.0], [106.65, 12.75], [106.75, 12.5], [106.53, 11.97], [106.18, 11.82], [106.15, 11.75], [106.25, 11.5], [106.03, 10.97], [105.68, 10.82], [105.65, 10.75], [105.75, 10.5], [105.53, 9.97], [105.0, 9.75], [104.75, 9.85], [104.5, 9.75], [103.97, 9.97], [103.75, 10.5], [103.85, 10.75], [103.75, 11.0], [103.85, 11.25], [103.82, 11.32], [103.47, 11.47], [103.32, 11.82], [102.97, 11.97], [102.75, 12.5]]]]}, "2016-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.75, 12.5], [102.97, 13.03], [103.5, 13.25], [104.0, 13.04], [104.5, 13.25], [105.03, 13.03], [105.18, 12.68], [105.25, 12.65], [105.5, 12.75], [106.03, 12.53], [106.25, 12.0], [106.15, 11.75], [106.25, 11.5], [106.03, 10.97], [105.68, 10.82], [105.65, 10.75], [105.75, 10.5], [105.53, 9.97], [105.0, 9.75], [104.75, 9.85], [104.5, 9.75], [103.97, 9.97], [103.75, 10.5], [103.85, 10.75], [103.75, 11.0], [103.85, 11.25], [103.82, 11.32], [103.47, 11.47], [103.32, 11.82], [102.97, 11.97], [102.75, 12.5]]]]}, "2016-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.75, 12.5], [102.97, 13.03], [103.5, 13.25], [104.03, 13.03], [104.18, 12.68], [104.25, 12.65], [104.5, 12.75], [105.03, 12.53], [105.25, 12.0], [105.15, 11.75], [105.25, 11.5], [105.03, 10.97], [104.5, 10.75], [103.97, 10.97], [103.82, 11.32], [103.47, 11.47], [103.32, 11.82], [102.97, 11.97], [102.75, 12.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.5009900393578732}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.7663545930675728}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.040095376943043, 26.316046469972832, 26.174301489375523, 26.348961959070664, 26.063327176387816]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.642230651046532, 25.40922544973364, 25.022313959796406, 24.744710435371985, 24.727291845024695]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.6261904137151078, -1.7646541489651413, -1.814185172483953, -1.7906730038590826, -1.677597662231392]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.9005036545814846, 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