{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:12:53.938129", "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-Aug-27_to_2021-Sep-02_105.0_-2.5"}, "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": 2021080001158}, "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": "August 27 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 02 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 120508.25961962715}, "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": ["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": -2.5}, "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": 105.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "105.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 104.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 108.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[106.18, -3.18], [106.03, -3.53], [105.5, -3.75], [105.25, -3.65], [105.0, -3.75], [104.75, -3.65], [104.5, -3.75], 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-1.47], [106.0, -1.25], [106.53, -1.47], [106.75, -2.0], [106.53, -2.53], [106.0, -2.75], [105.47, -2.53], [105.25, -2.0], [105.47, -1.47]]]]}, "2021-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.0, -2.75], [105.47, -2.53], [105.25, -2.0], [105.47, -1.47], [106.0, -1.25], [106.53, -1.47], [106.75, -2.0], [106.53, -2.53], [106.0, -2.75]]], [[[105.0, -1.25], [104.47, -1.03], [104.25, -0.5], [104.47, 0.03], [105.0, 0.25], [105.53, 0.03], [105.75, -0.5], [105.53, -1.03], [105.0, -1.25]]]]}, "2021-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.75, -2.5], [103.96, -2.0], [103.75, -1.5], [103.97, -0.97], [104.38, -0.8], [104.25, -0.5], [104.35, -0.25], [104.25, 0.0], [104.47, 0.53], [105.0, 0.75], [105.53, 0.53], [105.75, 0.0], [105.65, -0.25], [105.75, -0.5], [105.53, -1.03], [105.13, -1.2], [105.25, -1.5], [105.13, -1.8], [105.25, -1.85], [105.32, -1.82], [105.47, -1.47], [106.0, -1.25], [106.53, -1.47], [106.75, -2.0], [106.65, 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