{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:20:18.348973", "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-May-29_to_2022-Jun-02_64.5_31.0"}, "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": 2022050001092}, "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": "May 29 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 02 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": 106411.80770269927}, "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": ["Afghanistan", "Pakistan"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 31.0}, "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": 64.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "64.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 62.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 66.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[61.85, 30.25], [61.75, 30.5], [61.97, 31.03], [62.32, 31.18], [62.35, 31.25], [62.25, 31.5], [62.35, 31.75], [62.25, 32.0], [62.47, 32.53], [63.0, 32.75], [63.25, 32.65], [63.5, 32.75], [63.75, 32.65], [64.0, 32.75], [64.25, 32.65], [64.5, 32.75], [65.03, 32.53], [65.18, 32.18], [65.25, 32.15], [65.5, 32.25], [65.75, 32.15], [66.0, 32.25], [66.53, 32.03], [66.68, 31.68], [67.03, 31.53], [67.25, 31.0], [67.03, 30.47], [66.5, 30.25], [66.25, 30.35], [66.18, 30.32], [66.15, 30.25], [66.25, 30.0], [66.03, 29.47], [65.5, 29.25], [65.0, 29.46], [64.5, 29.25], [64.25, 29.35], [64.18, 29.32], [64.15, 29.25], [64.25, 29.0], [64.03, 28.47], [63.5, 28.25], [63.25, 28.35], [63.0, 28.25], [62.75, 28.35], [62.5, 28.25], [62.25, 28.35], [62.0, 28.25], [61.47, 28.47], [61.25, 29.0], [61.35, 29.25], [61.25, 29.5], [61.47, 30.03], [61.82, 30.18], [61.85, 30.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.C.Asia", "S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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