{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:04.294506", "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-Oct-16_to_2015-Oct-20_249.0_56.0"}, "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": 2015100001754}, "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": "October 16 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 20 2015"}, "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": "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": 54582.03909125588}, "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": ["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": 56.0}, "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": 249.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "249.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 247.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 253.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 53.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 56.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.0, 55.75], [-111.47, 55.53], [-111.25, 55.0], [-111.47, 54.47], [-112.0, 54.25], [-112.53, 54.47], [-112.75, 55.0], [-112.53, 55.53], [-112.0, 55.75]]]]}, "2015-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.65, 55.75], [-112.75, 56.0], [-112.53, 56.53], [-112.0, 56.75], [-111.75, 56.65], [-111.5, 56.75], [-111.25, 56.65], [-111.0, 56.75], [-110.47, 56.53], [-110.32, 56.18], [-110.25, 56.15], [-110.18, 56.18], [-110.03, 56.53], [-109.5, 56.75], [-109.25, 56.65], [-109.18, 56.68], [-109.03, 57.03], [-108.5, 57.25], [-107.97, 57.03], [-107.82, 56.68], [-107.47, 56.53], [-107.25, 56.0], [-107.35, 55.75], [-107.25, 55.5], [-107.35, 55.25], [-107.25, 55.0], [-107.47, 54.47], [-108.0, 54.25], [-108.25, 54.35], [-108.5, 54.25], [-108.75, 54.35], [-109.0, 54.25], [-109.25, 54.35], [-109.5, 54.25], [-109.75, 54.35], [-110.0, 54.25], [-110.25, 54.35], [-110.5, 54.25], [-110.75, 54.35], [-111.0, 54.25], [-111.25, 54.35], [-111.5, 54.25], [-111.75, 54.35], [-112.0, 54.25], [-112.53, 54.47], [-112.75, 55.0], [-112.65, 55.25], [-112.75, 55.5], [-112.65, 55.75]]]]}, "2015-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.65, 55.75], [-112.75, 56.0], [-112.53, 56.53], [-112.0, 56.75], [-111.75, 56.65], [-111.5, 56.75], [-111.25, 56.65], [-111.0, 56.75], [-110.47, 56.53], [-110.32, 56.18], [-110.25, 56.15], [-110.18, 56.18], [-110.03, 56.53], [-109.5, 56.75], [-109.25, 56.65], [-109.18, 56.68], [-109.03, 57.03], [-108.5, 57.25], [-107.97, 57.03], [-107.82, 56.68], [-107.47, 56.53], [-107.25, 56.0], [-107.35, 55.75], [-107.25, 55.5], [-107.35, 55.25], [-107.25, 55.0], [-107.35, 54.75], [-107.32, 54.68], [-107.25, 54.65], [-107.0, 54.75], [-106.47, 54.53], [-106.32, 54.18], [-105.97, 54.03], [-105.75, 53.5], [-105.97, 52.97], [-106.5, 52.75], [-107.03, 52.97], [-107.18, 53.32], [-107.25, 53.35], [-107.5, 53.25], [-108.03, 53.47], [-108.18, 53.82], [-108.5, 53.96], [-109.0, 53.75], [-109.53, 53.97], [-109.68, 54.32], [-109.75, 54.35], [-110.0, 54.25], [-110.25, 54.35], [-110.5, 54.25], [-110.75, 54.35], [-111.0, 54.25], [-111.25, 54.35], [-111.5, 54.25], [-111.75, 54.35], [-112.0, 54.25], [-112.53, 54.47], [-112.75, 55.0], [-112.65, 55.25], [-112.75, 55.5], [-112.65, 55.75]]]]}, "2015-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.53, 56.53], [-112.0, 56.75], [-111.75, 56.65], [-111.5, 56.75], [-111.25, 56.65], [-111.0, 56.75], [-110.47, 56.53], [-110.32, 56.18], [-110.25, 56.15], [-110.18, 56.18], [-110.03, 56.53], [-109.5, 56.75], [-109.25, 56.65], [-109.18, 56.68], [-109.03, 57.03], [-108.5, 57.25], [-107.97, 57.03], [-107.82, 56.68], [-107.47, 56.53], [-107.25, 56.0], [-107.35, 55.75], [-107.25, 55.5], [-107.35, 55.25], [-107.25, 55.0], [-107.35, 54.75], [-107.32, 54.68], [-107.25, 54.65], [-107.0, 54.75], [-106.47, 54.53], [-106.32, 54.18], [-105.97, 54.03], [-105.75, 53.5], [-105.97, 52.97], [-106.5, 52.75], [-107.03, 52.97], [-107.18, 53.32], [-107.25, 53.35], [-107.5, 53.25], [-108.03, 53.47], [-108.18, 53.82], [-108.5, 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of maximum standardized t2m anomalies.", "value": [1.1890441285549824, 1.5845648606884775, 2.570281033658926, 1.5625781383637622, 1.519310874956284]}}