{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:52:12.264485", "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": "2023-Apr-01_to_2023-Apr-05_93.5_28.0"}, "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": 2023040000110}, "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": "April 01 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 05 2023"}, "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": 57485.49554720615}, "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": ["India", "Myanmar"]}, "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": 28.0}, "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": 93.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "93.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 93.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 97.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[96.25, 28.15], [96.5, 28.25], [97.03, 28.03], [97.18, 27.68], [97.25, 27.65], [97.5, 27.75], [98.03, 27.53], [98.25, 27.0], 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29.25], [94.25, 29.15], [94.32, 29.18], [94.47, 29.53], [95.0, 29.75], [95.53, 29.53], [95.75, 29.0], [95.53, 28.47], [95.18, 28.32], [95.03, 27.97], [94.5, 27.75], [94.25, 27.85], [94.18, 27.82], [94.03, 27.47], [93.5, 27.25], [92.97, 27.47], [92.75, 28.0], [92.97, 28.53], [93.32, 28.68], [93.47, 29.03]]]]}, "2023-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[92.97, 27.47], [92.75, 28.0], [92.97, 28.53], [93.32, 28.68], [93.47, 29.03], [93.82, 29.18], [93.97, 29.53], [94.5, 29.75], [94.75, 29.65], [95.0, 29.75], [95.53, 29.53], [95.68, 29.18], [96.03, 29.03], [96.25, 28.5], [96.15, 28.25], [96.18, 28.18], [96.25, 28.15], [96.5, 28.25], [97.03, 28.03], [97.25, 27.5], [97.03, 26.97], [96.68, 26.82], [96.53, 26.47], [96.18, 26.32], [96.15, 26.25], [96.25, 26.0], [96.03, 25.47], [95.5, 25.25], [94.97, 25.47], [94.75, 26.0], [94.85, 26.25], [94.75, 26.5], [94.85, 26.75], [94.82, 26.82], [94.5, 26.96], [94.0, 26.75], [93.47, 26.97], [93.32, 27.32], [92.97, 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.328011504473423, -2.582875984767737, -2.957457562701845, -2.767972754879993, -2.4479923120902396]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.7770640874108494, -3.1783745967389905, -4.009621722662757, -3.791777232367224, -2.642631222006969]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5178532388842387, -1.5801286713694094, -1.843933167361148, -1.7306679094739927, -1.5846928538805876]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.6752747968765804, -2.044411508729259, -2.5891961003753017, 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