{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:09.993007", "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": "2024-Feb-11_to_2024-Feb-13_241.5_62.5"}, "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": 2024020001289}, "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": "February 11 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 13 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 96196.78034030211}, "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": 62.5}, "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": 241.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "241.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 239.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 244.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 60.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 65.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-121.03, 63.53], [-120.68, 63.68], [-120.54, 64.0], [-120.75, 64.5], [-120.53, 65.03], [-120.0, 65.25], [-119.75, 65.15], [-119.68, 65.18], [-119.53, 65.53], [-119.0, 65.75], [-118.75, 65.65], [-118.5, 65.75], [-117.97, 65.53], [-117.82, 65.18], [-117.75, 65.15], [-117.5, 65.25], [-117.25, 65.15], [-117.0, 65.25], [-116.75, 65.15], [-116.5, 65.25], [-115.97, 65.03], [-115.75, 64.5], [-115.85, 64.25], [-115.75, 64.0], [-115.85, 63.75], [-115.75, 63.5], [-115.85, 63.25], [-115.75, 63.0], [-115.85, 62.75], [-115.82, 62.68], [-115.75, 62.65], [-115.5, 62.75], [-114.97, 62.53], [-114.75, 62.0], [-114.85, 61.75], [-114.75, 61.5], [-114.85, 61.25], [-114.75, 61.0], [-114.97, 60.47], [-115.5, 60.25], [-115.75, 60.35], [-115.82, 60.32], [-115.97, 59.97], [-116.5, 59.75], [-116.75, 59.85], [-117.0, 59.75], [-117.53, 59.97], [-117.68, 60.32], [-117.75, 60.35], [-118.0, 60.25], [-118.53, 60.47], [-118.68, 60.82], [-118.75, 60.85], [-119.0, 60.75], [-119.25, 60.85], [-119.5, 60.75], [-120.03, 60.97], [-120.25, 61.5], [-120.15, 61.75], [-120.2, 61.88], [-120.5, 61.75], [-121.03, 61.97], [-121.25, 62.5], [-121.15, 62.75], [-121.25, 63.0], [-121.03, 63.53]]]]}, "2024-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-121.03, 63.53], [-120.68, 63.68], [-120.54, 64.0], [-120.75, 64.5], [-120.53, 65.03], [-120.0, 65.25], [-119.75, 65.15], [-119.68, 65.18], [-119.53, 65.53], [-119.0, 65.75], [-118.75, 65.65], [-118.5, 65.75], [-117.97, 65.53], [-117.82, 65.18], [-117.75, 65.15], [-117.5, 65.25], [-117.25, 65.15], [-117.0, 65.25], [-116.75, 65.15], [-116.5, 65.25], [-115.97, 65.03], [-115.75, 64.5], [-115.85, 64.25], [-115.75, 64.0], [-115.85, 63.75], [-115.75, 63.5], [-115.85, 63.25], [-115.75, 63.0], [-115.85, 62.75], [-115.82, 62.68], [-115.75, 62.65], [-115.5, 62.75], [-114.97, 62.53], [-114.75, 62.0], [-114.85, 61.75], [-114.75, 61.5], [-114.85, 61.25], [-114.75, 61.0], [-114.97, 60.47], [-115.5, 60.25], [-115.75, 60.35], [-115.82, 60.32], [-115.97, 59.97], [-116.5, 59.75], [-116.75, 59.85], [-117.0, 59.75], [-117.53, 59.97], [-117.68, 60.32], [-117.75, 60.35], [-118.0, 60.25], [-118.53, 60.47], [-118.68, 60.82], [-118.75, 60.85], [-119.0, 60.75], [-119.25, 60.85], [-119.5, 60.75], [-120.03, 60.97], [-120.25, 61.5], [-120.15, 61.75], [-120.2, 61.88], [-120.5, 61.75], [-121.03, 61.97], [-121.25, 62.5], [-121.15, 62.75], [-121.25, 63.0], [-121.03, 63.53]]]]}, "2024-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-121.03, 63.53], [-120.68, 63.68], [-120.54, 64.0], [-120.75, 64.5], [-120.53, 65.03], [-120.0, 65.25], [-119.75, 65.15], [-119.68, 65.18], [-119.53, 65.53], [-119.0, 65.75], [-118.75, 65.65], [-118.5, 65.75], [-117.97, 65.53], [-117.82, 65.18], [-117.75, 65.15], [-117.5, 65.25], [-117.25, 65.15], [-117.0, 65.25], [-116.75, 65.15], [-116.5, 65.25], [-115.97, 65.03], [-115.75, 64.5], [-115.85, 64.25], [-115.75, 64.0], [-115.85, 63.75], [-115.75, 63.5], [-115.85, 63.25], [-115.75, 63.0], [-115.85, 62.75], [-115.82, 62.68], [-115.75, 62.65], [-115.5, 62.75], 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[-8.223760601278741, -8.73212866896813, -10.618091520797464]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-1.082296872881841, -3.012935158627158, -7.240742551305175]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [13.586693973910954, 12.981194692708884, 10.975428329497603]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [17.377376101897283, 15.580841911778833, 12.600638652442598]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9945474851094043, 1.9623745426622363, 1.641631479888834]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.4720621396997844, 2.280671501704898, 1.8545253749488881]}}