{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:16.479500", "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": "2015-Jun-06_to_2015-Jun-09_259.5_51.5"}, "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": 2015060001775}, "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": "June 06 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 09 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 70318.89793634598}, "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": ["Canada"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.North-America", "N.E.North-America", "N.W.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North America"]}, "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": 51.5}, "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": 259.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "259.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 254.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 260.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 49.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 52.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-102.03, 51.47], [-102.25, 52.0], [-102.03, 52.53], [-101.5, 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[-102.18, 49.32], [-102.25, 49.35], [-102.5, 49.25], [-102.75, 49.35], [-103.0, 49.25], [-103.53, 49.47], [-103.68, 49.82], [-104.0, 49.96], [-104.5, 49.75], [-104.75, 49.85], [-105.0, 49.75], [-105.25, 49.85], [-105.5, 49.75], [-106.03, 49.97]]]]}, "2015-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-106.03, 49.97], [-106.25, 50.5], [-106.03, 51.03], [-105.5, 51.25], [-105.25, 51.15], [-105.0, 51.25], [-104.75, 51.15], [-104.68, 51.18], [-104.53, 51.53], [-104.0, 51.75], [-103.75, 51.65], [-103.68, 51.68], [-103.53, 52.03], [-103.0, 52.25], [-102.75, 52.15], [-102.5, 52.25], [-102.25, 52.15], [-102.18, 52.18], [-102.03, 52.53], [-101.5, 52.75], [-101.25, 52.65], [-101.0, 52.75], [-100.5, 52.54], [-100.0, 52.75], [-99.47, 52.53], [-99.25, 52.0], [-99.46, 51.5], [-99.25, 51.0], [-99.35, 50.75], [-99.25, 50.5], [-99.47, 49.97], [-99.82, 49.82], [-99.97, 49.47], [-100.5, 49.25], [-100.75, 49.35], [-100.82, 49.32], [-100.97, 48.97], [-101.5, 48.75], [-102.03, 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