{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:59:41.282936", "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": "2026-May-10_to_2026-May-12_302.5_54.5"}, "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": 2026050001532}, "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": "May 10 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 12 2026"}, "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": 50168.28230328589}, "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.E.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": ["Labrador Sea"]}, "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": 54.5}, "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": 302.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "302.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 299.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 304.25}, "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": 55.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.03, 54.97], [-61.25, 55.5], [-61.03, 56.03], [-60.5, 56.25], [-60.25, 56.15], [-60.0, 56.25], [-59.75, 56.15], [-59.5, 56.25], [-59.25, 56.15], [-59.0, 56.25], [-58.75, 56.15], [-58.5, 56.25], [-58.25, 56.15], [-58.0, 56.25], [-57.75, 56.15], [-57.5, 56.25], [-56.97, 56.03], [-56.82, 55.68], [-56.47, 55.53], [-56.32, 55.18], [-55.97, 55.03], [-55.82, 54.68], [-55.47, 54.53], [-55.25, 54.0], [-55.35, 53.75], [-55.25, 53.5], [-55.47, 52.97], [-56.0, 52.75], [-56.25, 52.85], [-56.5, 52.75], [-56.75, 52.85], [-57.0, 52.75], [-57.25, 52.85], [-57.5, 52.75], [-58.03, 52.97], [-58.18, 53.32], [-58.25, 53.35], [-58.5, 53.25], [-58.75, 53.35], [-59.0, 53.25], [-59.53, 53.47], [-59.75, 54.0], [-59.54, 54.5], [-59.68, 54.82], [-59.75, 54.85], [-60.0, 54.75], [-60.25, 54.85], [-60.5, 54.75], [-61.03, 54.97]]]]}, "2026-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.03, 54.97], [-61.25, 55.5], [-61.03, 56.03], [-60.5, 56.25], [-60.25, 56.15], [-60.0, 56.25], [-59.75, 56.15], [-59.5, 56.25], [-59.25, 56.15], [-59.0, 56.25], [-58.75, 56.15], [-58.5, 56.25], [-58.25, 56.15], [-58.0, 56.25], [-57.75, 56.15], [-57.5, 56.25], [-56.97, 56.03], [-56.82, 55.68], [-56.47, 55.53], [-56.32, 55.18], [-55.97, 55.03], [-55.82, 54.68], [-55.47, 54.53], [-55.25, 54.0], [-55.35, 53.75], [-55.25, 53.5], [-55.47, 52.97], [-56.0, 52.75], [-56.25, 52.85], [-56.5, 52.75], [-56.75, 52.85], [-57.0, 52.75], [-57.25, 52.85], [-57.5, 52.75], [-58.03, 52.97], [-58.18, 53.32], [-58.25, 53.35], [-58.5, 53.25], [-58.75, 53.35], [-59.0, 53.25], [-59.53, 53.47], [-59.75, 54.0], [-59.54, 54.5], [-59.68, 54.82], [-59.75, 54.85], [-60.0, 54.75], [-60.25, 54.85], [-60.5, 54.75], [-61.03, 54.97]]]]}, "2026-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-61.03, 54.97], [-61.25, 55.5], [-61.03, 56.03], [-60.5, 56.25], [-60.25, 56.15], [-60.0, 56.25], [-59.75, 56.15], [-59.5, 56.25], [-59.25, 56.15], [-59.0, 56.25], [-58.75, 56.15], [-58.5, 56.25], [-58.25, 56.15], [-58.0, 56.25], [-57.75, 56.15], [-57.5, 56.25], [-56.97, 56.03], [-56.82, 55.68], [-56.47, 55.53], [-56.32, 55.18], [-55.97, 55.03], [-55.82, 54.68], [-55.47, 54.53], [-55.25, 54.0], [-55.35, 53.75], [-55.25, 53.5], [-55.47, 52.97], [-56.0, 52.75], [-56.25, 52.85], [-56.5, 52.75], [-56.75, 52.85], [-57.0, 52.75], [-57.25, 52.85], [-57.5, 52.75], [-58.03, 52.97], [-58.18, 53.32], [-58.25, 53.35], [-58.5, 53.25], [-58.75, 53.35], [-59.0, 53.25], [-59.53, 53.47], [-59.75, 54.0], [-59.54, 54.5], [-59.68, 54.82], [-59.75, 54.85], [-60.0, 54.75], [-60.25, 54.85], [-60.5, 54.75], [-61.03, 54.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.348591826220456}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.727159949241404}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [5.5707692464193315, 6.262323361351434, 4.8626459030878095]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.37702331542971, 9.093293762207054, 8.195174153645837]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.877525059152895, 5.425932946384482, 3.8780218421868358]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.253079112656849, 7.348591826220456, 5.764980192671089]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8575966951420462, 2.135167250159246, 1.4947628894241005]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2995456252253472, 2.6479200735771915, 1.845212859447692]}}