{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:53:10.096595", "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-Sep-01_to_2024-Sep-03_246.0_52.0"}, "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": 2024090000826}, "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": "September 01 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 03 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": 65555.76817212273}, "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": 52.0}, "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": 246.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "246.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 242.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 247.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 51.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 54.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-09-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-117.75, 53.0], [-117.53, 53.53], [-117.0, 53.75], [-116.75, 53.65], [-116.68, 53.68], [-116.53, 54.03], [-116.18, 54.18], [-116.03, 54.53], [-115.5, 54.75], [-115.25, 54.65], [-115.0, 54.75], [-114.47, 54.53], [-114.32, 54.18], [-114.25, 54.15], [-114.0, 54.25], [-113.75, 54.15], [-113.5, 54.25], [-112.97, 54.03], [-112.82, 53.68], [-112.47, 53.53], [-112.32, 53.18], [-111.97, 53.03], [-111.75, 52.5], [-111.97, 51.97], [-112.5, 51.75], [-112.75, 51.85], [-112.82, 51.82], [-112.97, 51.47], [-113.32, 51.32], [-113.47, 50.97], [-114.0, 50.75], [-114.25, 50.85], [-114.5, 50.75], [-114.75, 50.85], [-115.0, 50.75], [-115.5, 50.96], [-116.0, 50.75], [-116.53, 50.97], [-116.75, 51.5], [-116.62, 51.8], [-117.03, 51.97], [-117.18, 52.32], [-117.53, 52.47], [-117.75, 53.0]]]]}, "2024-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-117.75, 53.0], [-117.53, 53.53], [-117.0, 53.75], [-116.75, 53.65], [-116.68, 53.68], [-116.53, 54.03], [-116.18, 54.18], [-116.03, 54.53], [-115.5, 54.75], [-115.25, 54.65], [-115.0, 54.75], [-114.47, 54.53], [-114.32, 54.18], [-114.25, 54.15], [-114.0, 54.25], [-113.75, 54.15], [-113.5, 54.25], [-112.97, 54.03], [-112.82, 53.68], [-112.47, 53.53], [-112.32, 53.18], [-111.97, 53.03], [-111.75, 52.5], [-111.97, 51.97], [-112.5, 51.75], [-112.75, 51.85], [-112.82, 51.82], [-112.97, 51.47], [-113.32, 51.32], [-113.47, 50.97], [-114.0, 50.75], [-114.25, 50.85], [-114.5, 50.75], [-114.75, 50.85], [-115.0, 50.75], [-115.5, 50.96], [-116.0, 50.75], [-116.53, 50.97], [-116.75, 51.5], [-116.62, 51.8], [-117.03, 51.97], [-117.18, 52.32], [-117.53, 52.47], [-117.75, 53.0]]]]}, "2024-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-117.75, 53.0], [-117.53, 53.53], [-117.0, 53.75], [-116.75, 53.65], [-116.68, 53.68], [-116.53, 54.03], [-116.18, 54.18], [-116.03, 54.53], [-115.5, 54.75], [-115.25, 54.65], [-115.0, 54.75], [-114.47, 54.53], [-114.32, 54.18], [-114.25, 54.15], [-114.0, 54.25], [-113.75, 54.15], [-113.5, 54.25], [-112.97, 54.03], [-112.82, 53.68], [-112.47, 53.53], [-112.32, 53.18], [-111.97, 53.03], [-111.75, 52.5], [-111.97, 51.97], [-112.5, 51.75], [-112.75, 51.85], [-112.82, 51.82], [-112.97, 51.47], [-113.32, 51.32], [-113.47, 50.97], [-114.0, 50.75], [-114.25, 50.85], [-114.5, 50.75], [-114.75, 50.85], [-115.0, 50.75], [-115.5, 50.96], [-116.0, 50.75], [-116.53, 50.97], [-116.75, 51.5], [-116.62, 51.8], [-117.03, 51.97], [-117.18, 52.32], [-117.53, 52.47], [-117.75, 53.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.00447687038951}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.120585484932446}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.343713960193497, 18.786678495861224, 18.220390937441948]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.871362304687523, 21.017119344075525, 21.286367034912132]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.166403942663057, 6.783622185709062, 6.41173032642522]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.969018850442069, 8.00447687038951, 7.817908858953274]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5418141673192476, 1.9881027766075123, 1.847833154129421]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6650198036782233, 2.3484066769664813, 2.217625826345797]}}