{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:02.624044", "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": "2014-Aug-04_to_2014-Aug-09_77.5_25.5"}, "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": 2014080000298}, "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 04 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 09 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 84062.35614146484}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": []}, "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": 25.5}, "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": 77.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "77.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 74.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 79.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.97, 24.97], [75.75, 25.5], [75.97, 26.03], [76.5, 26.25], 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[74.85, 24.25], [74.82, 24.32], [74.47, 24.47], [74.25, 25.0], [74.35, 25.25], [74.25, 25.5], [74.35, 25.75]]]]}, "2014-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.35, 25.75], [74.25, 26.0], [74.47, 26.53], [75.0, 26.75], [75.25, 26.65], [75.5, 26.75], [76.03, 26.53], [76.18, 26.18], [76.25, 26.15], [76.5, 26.25], [77.0, 26.04], [77.5, 26.25], [77.75, 26.15], [78.0, 26.25], [78.25, 26.15], [78.5, 26.25], [79.03, 26.03], [79.18, 25.68], [79.53, 25.53], [79.75, 25.0], [79.53, 24.47], [79.18, 24.32], [79.03, 23.97], [78.5, 23.75], [78.25, 23.85], [78.0, 23.75], [77.75, 23.85], [77.68, 23.82], [77.53, 23.47], [77.0, 23.25], [76.75, 23.35], [76.5, 23.25], [76.25, 23.35], [76.0, 23.25], [75.75, 23.35], [75.5, 23.25], [74.97, 23.47], [74.75, 24.0], [74.85, 24.25], [74.82, 24.32], [74.47, 24.47], [74.25, 25.0], [74.35, 25.25], [74.25, 25.5], [74.35, 25.75]]]]}, "2014-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[74.35, 25.75], [74.25, 26.0], [74.47, 26.53], [75.0, 26.75], [75.25, 26.65], [75.5, 26.75], [76.0, 26.54], [76.5, 26.75], [77.03, 26.53], [77.2, 26.13], [77.5, 26.25], [77.75, 26.15], [78.0, 26.25], [78.25, 26.15], [78.5, 26.25], [79.03, 26.03], [79.18, 25.68], [79.53, 25.53], [79.75, 25.0], [79.53, 24.47], [79.18, 24.32], [79.03, 23.97], [78.5, 23.75], [78.25, 23.85], [78.0, 23.75], [77.75, 23.85], [77.68, 23.82], [77.53, 23.47], [77.0, 23.25], [76.75, 23.35], [76.5, 23.25], [76.25, 23.35], [76.0, 23.25], [75.75, 23.35], [75.5, 23.25], [74.97, 23.47], [74.75, 24.0], [74.85, 24.25], [74.82, 24.32], [74.47, 24.47], [74.25, 25.0], [74.35, 25.25], [74.25, 25.5], [74.35, 25.75]]]]}, "2014-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[75.85, 25.75], [75.75, 26.0], [75.97, 26.53], [76.5, 26.75], [77.03, 26.53], [77.2, 26.13], [77.5, 26.25], [77.75, 26.15], [78.0, 26.25], [78.25, 26.15], [78.5, 26.25], [79.03, 26.03], [79.25, 25.5], [79.03, 24.97], [78.5, 24.75], [78.25, 24.85], [78.0, 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