{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:23.811570", "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-Nov-12_to_2017-Nov-16_116.0_-8.5"}, "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": 2017110000439}, "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": "November 12 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 16 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": "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": 134330.67554327927}, "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": ["N.Australia", "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": ["Bali Sea", "Flores Sea", "Indian Ocean", "Java 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": -8.5}, "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": 116.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "116.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 114.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 119.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.75}, "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": {"2017-11-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.32, -8.32], [115.47, -7.97], [116.0, -7.75], [116.3, -7.87], [116.47, -7.47], [117.0, -7.25], [117.53, -7.47], [117.75, -8.0], [117.53, -8.53], [117.0, -8.75], [116.7, -8.63], [116.53, -9.03], [116.18, -9.18], [116.04, -9.5], [116.25, -10.0], [116.03, -10.53], [115.5, -10.75], [114.97, -10.53], [114.75, -10.0], [114.96, -9.5], [114.75, -9.0], [114.97, -8.47], [115.32, -8.32]]], [[[117.97, -9.03], [117.75, -8.5], [117.97, -7.97], [118.5, -7.75], [119.03, -7.97], [119.25, -8.5], [119.03, -9.03], [118.5, -9.25], [117.97, -9.03]]]]}, "2017-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[114.25, -10.0], [114.47, -9.47], [114.82, -9.32], [114.85, -9.25], [114.75, -9.0], [114.85, -8.75], [114.75, -8.5], [114.97, -7.97], [115.32, -7.82], [115.35, -7.75], [115.25, -7.5], [115.35, -7.25], [115.25, -7.0], [115.47, -6.47], [116.0, -6.25], [116.25, -6.35], [116.5, -6.25], [117.0, -6.46], [117.5, -6.25], [118.03, -6.47], [118.18, -6.82], [118.25, -6.85], [118.5, -6.75], [119.03, -6.97], [119.25, -7.5], [119.15, -7.75], [119.18, -7.82], [119.53, -7.97], [119.75, -8.5], [119.54, -9.0], [119.75, -9.5], [119.53, -10.03], [119.18, -10.18], [119.03, -10.53], [118.5, -10.75], [118.25, -10.65], [118.18, -10.68], [118.03, -11.03], [117.5, -11.25], [117.25, -11.15], [117.0, -11.25], [116.75, -11.15], [116.5, -11.25], [116.25, -11.15], [116.0, -11.25], [115.75, -11.15], [115.5, -11.25], [114.97, -11.03], [114.82, -10.68], [114.47, -10.53], [114.25, -10.0]]]]}, "2017-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[114.25, -10.0], [114.47, -9.47], [114.82, -9.32], [114.85, -9.25], [114.75, -9.0], [114.85, -8.75], [114.75, -8.5], [114.97, -7.97], [115.32, -7.82], [115.35, -7.75], [115.25, -7.5], [115.35, -7.25], [115.25, -7.0], [115.47, -6.47], [116.0, -6.25], [116.25, -6.35], [116.5, -6.25], [117.0, -6.46], [117.5, -6.25], [118.03, -6.47], [118.18, -6.82], [118.25, -6.85], [118.5, -6.75], [119.03, -6.97], [119.25, -7.5], [119.15, -7.75], [119.18, -7.82], [119.53, -7.97], [119.75, -8.5], [119.54, 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26.417018151741274, 26.276675739195696, 26.423141383883717]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.46220597996961, 24.13731001857036, 24.09558045003945, 24.01868624509825, 26.423141383883717]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.8687242549828624, -1.131059884593114, -1.0948855571585858, -1.2173947442232973, -0.8300862656395225]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.2070430187040984, -1.7542738766351818, -2.271986989880304, -2.0447477803053857, -0.8300862656395225]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.41198285087004, -1.9132161758785626, -1.7875897712439601, -1.928444028443669, -1.2943333442416833]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7947302245325294, -2.3487547166260003, -2.521338716021617, -2.35700259039367, -1.2943333442416833]}}