{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:23:34.440374", "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": "2022-Oct-17_to_2022-Oct-21_114.0_-7.0"}, "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": 2022100000690}, "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": "October 17 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 21 2022"}, "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": 116801.27254935051}, "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"]}, "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", "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": -7.0}, "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": 114.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "114.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 111.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 115.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[112.5, -6.25], [112.75, -6.35], [112.82, -6.32], [112.85, -6.25], [112.75, -6.0], [112.96, -5.5], [112.82, -5.18], 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[111.97, -6.47], [112.5, -6.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[111.47, -3.47], [112.0, -3.25], [112.25, -3.35], [112.5, -3.25], [112.75, -3.35], [113.0, -3.25], [113.25, -3.35], [113.5, -3.25], [113.75, -3.35], [114.0, -3.25], [114.53, -3.47], [114.75, -4.0], [114.65, -4.25], [114.68, -4.32], [114.75, -4.35], [115.0, -4.25], [115.53, -4.47], [115.75, -5.0], [115.53, -5.53], [115.18, -5.68], [115.15, -5.75], [115.18, -5.82], [115.25, -5.85], [115.5, -5.75], [116.03, -5.97], [116.25, -6.5], [116.15, -6.75], [116.25, -7.0], [116.03, -7.53], [115.5, -7.75], [115.25, -7.65], [115.0, -7.75], [114.5, -7.54], [114.0, -7.75], [113.5, -7.54], [113.18, -7.68], [113.03, -8.03], [112.5, -8.25], 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-1.0905824115642717, -1.1672779680819247, -1.4273360965704442]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.7048693881587837, -2.6586779645472234, -2.16053863216996, -2.0364162452158894, -2.322863336618525]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.654196305796682, -2.6454020864686703, -1.9758655808143075, -2.0680669817941237, -2.4250101891384723]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.9920531743910512, -4.12305357003774, -3.623503388382891, -3.252668127560294, -3.517324990872356]}}