{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:02.695317", "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": "2019-Jul-07_to_2019-Jul-12_83.0_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": 2019070000332}, "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": "July 07 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 12 2019"}, "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": 63931.768784372674}, "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": 83.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "83.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 81.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 84.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.0, 26.25], [83.53, 26.03], [83.75, 25.5], [83.53, 24.97], [83.0, 24.75], [82.47, 24.97], [82.25, 25.5], [82.47, 26.03], [83.0, 26.25]]]]}, "2019-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.75, 25.5], [81.97, 26.03], [82.5, 26.25], [82.75, 26.15], [83.0, 26.25], [83.53, 26.03], [83.68, 25.68], [83.75, 25.65], [84.0, 25.75], [84.53, 25.53], [84.75, 25.0], [84.53, 24.47], [84.0, 24.25], [83.75, 24.35], [83.5, 24.25], [83.25, 24.35], [83.0, 24.25], [82.47, 24.47], [82.32, 24.82], [81.97, 24.97], [81.75, 25.5]]]]}, "2019-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.97, 27.03], [81.5, 27.25], [81.75, 27.15], [81.82, 27.18], [81.97, 27.53], [82.5, 27.75], [82.75, 27.65], [83.0, 27.75], [83.53, 27.53], [83.68, 27.18], [84.03, 27.03], [84.18, 26.68], [84.25, 26.65], [84.5, 26.75], [85.03, 26.53], [85.25, 26.0], [85.15, 25.75], [85.25, 25.5], [85.03, 24.97], [84.68, 24.82], [84.53, 24.47], [84.0, 24.25], [83.75, 24.35], [83.5, 24.25], [83.25, 24.35], [83.0, 24.25], [82.47, 24.47], [82.32, 24.82], [82.25, 24.85], [82.0, 24.75], [81.47, 24.97], [81.32, 25.32], [80.97, 25.47], [80.75, 26.0], [80.85, 26.25], [80.75, 26.5], [80.97, 27.03]]]]}, "2019-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.97, 27.03], [81.5, 27.25], [81.75, 27.15], [81.82, 27.18], [81.97, 27.53], [82.5, 27.75], [82.75, 27.65], [83.0, 27.75], [83.53, 27.53], [83.68, 27.18], [84.03, 27.03], [84.18, 26.68], [84.25, 26.65], [84.5, 26.75], [85.03, 26.53], [85.25, 26.0], [85.15, 25.75], [85.25, 25.5], [85.03, 24.97], [84.68, 24.82], [84.53, 24.47], [84.0, 24.25], [83.75, 24.35], [83.5, 24.25], [83.25, 24.35], [83.0, 24.25], [82.47, 24.47], [82.32, 24.82], [82.25, 24.85], [82.0, 24.75], [81.47, 24.97], [81.32, 25.32], [80.97, 25.47], [80.75, 26.0], [80.85, 26.25], [80.75, 26.5], [80.97, 27.03]]]]}, "2019-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.97, 27.03], [81.5, 27.25], [81.75, 27.15], [81.82, 27.18], [81.97, 27.53], [82.5, 27.75], [82.75, 27.65], 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