{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:10.807921", "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": "2019-Jul-08_to_2019-Jul-15_289.5_66.5"}, "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": 2019070001850}, "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": "July 08 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 15 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 54661.75929778518}, "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": ["Davis Strait", "The Northwestern Passages"]}, "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": 66.5}, "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": 289.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "289.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 288.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 295.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 63.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 67.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.5, 67.25], [-69.97, 67.03], [-69.75, 66.5], [-69.97, 65.97], [-70.5, 65.75], [-71.03, 65.97], [-71.25, 66.5], [-71.03, 67.03], [-70.5, 67.25]]]]}, "2019-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, 65.97], [-72.25, 66.5], [-72.03, 67.03], [-71.5, 67.25], [-71.25, 67.15], [-71.0, 67.25], [-70.75, 67.15], [-70.5, 67.25], [-70.25, 67.15], [-70.0, 67.25], [-69.75, 67.15], [-69.68, 67.18], [-69.53, 67.53], [-69.0, 67.75], [-68.75, 67.65], [-68.5, 67.75], [-67.97, 67.53], [-67.75, 67.0], [-67.85, 66.75], [-67.75, 66.5], [-67.85, 66.25], [-67.82, 66.18], [-67.47, 66.03], [-67.32, 65.68], [-67.25, 65.65], [-67.0, 65.75], [-66.75, 65.65], [-66.5, 65.75], [-65.97, 65.53], [-65.82, 65.18], [-65.47, 65.03], [-65.32, 64.68], [-65.25, 64.65], [-65.0, 64.75], [-64.47, 64.53], [-64.25, 64.0], [-64.35, 63.75], [-64.25, 63.5], [-64.47, 62.97], [-65.0, 62.75], [-65.25, 62.85], [-65.5, 62.75], [-65.75, 62.85], [-66.0, 62.75], [-66.25, 62.85], [-66.5, 62.75], [-67.03, 62.97], [-67.18, 63.32], [-67.25, 63.35], [-67.5, 63.25], [-67.75, 63.35], [-68.0, 63.25], [-68.53, 63.47], [-68.68, 63.82], [-68.75, 63.85], [-69.0, 63.75], [-69.53, 63.97], [-69.68, 64.32], [-70.03, 64.47], [-70.25, 65.0], [-70.15, 65.25], [-70.18, 65.32], [-70.53, 65.47], [-70.68, 65.82], [-70.75, 65.85], [-71.0, 65.75], [-71.25, 65.85], [-71.5, 65.75], [-72.03, 65.97]]]]}, "2019-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, 65.97], [-72.25, 66.5], [-72.03, 67.03], [-71.5, 67.25], [-71.25, 67.15], [-71.0, 67.25], [-70.75, 67.15], [-70.5, 67.25], [-70.25, 67.15], [-70.0, 67.25], [-69.75, 67.15], [-69.68, 67.18], [-69.53, 67.53], [-69.0, 67.75], [-68.75, 67.65], [-68.5, 67.75], [-67.97, 67.53], [-67.75, 67.0], [-67.85, 66.75], [-67.75, 66.5], [-67.85, 66.25], [-67.82, 66.18], [-67.47, 66.03], [-67.32, 65.68], [-67.25, 65.65], [-67.0, 65.75], [-66.75, 65.65], [-66.5, 65.75], [-65.97, 65.53], [-65.82, 65.18], [-65.47, 65.03], [-65.32, 64.68], [-65.25, 64.65], [-65.0, 64.75], [-64.47, 64.53], [-64.25, 64.0], [-64.35, 63.75], [-64.25, 63.5], [-64.47, 62.97], [-65.0, 62.75], [-65.25, 62.85], [-65.5, 62.75], [-65.75, 62.85], [-66.0, 62.75], [-66.25, 62.85], [-66.5, 62.75], [-67.03, 62.97], [-67.18, 63.32], [-67.25, 63.35], [-67.5, 63.25], [-67.75, 63.35], [-68.0, 63.25], [-68.53, 63.47], [-68.68, 63.82], [-68.75, 63.85], [-69.0, 63.75], [-69.53, 63.97], [-69.68, 64.32], [-70.03, 64.47], [-70.25, 65.0], [-70.15, 65.25], [-70.18, 65.32], [-70.53, 65.47], [-70.68, 65.82], [-70.75, 65.85], [-71.0, 65.75], [-71.25, 65.85], [-71.5, 65.75], [-72.03, 65.97]]]]}, "2019-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-72.03, 65.97], [-72.25, 66.5], [-72.03, 67.03], [-71.5, 67.25], [-71.25, 67.15], [-71.0, 67.25], [-70.75, 67.15], [-70.5, 67.25], [-70.25, 67.15], [-70.0, 67.25], [-69.75, 67.15], [-69.68, 67.18], [-69.53, 67.53], [-69.0, 67.75], [-68.75, 67.65], [-68.5, 67.75], [-67.97, 67.53], [-67.75, 67.0], [-67.85, 66.75], [-67.75, 66.5], [-67.85, 66.25], [-67.82, 66.18], [-67.47, 66.03], [-67.32, 65.68], [-67.25, 65.65], [-67.0, 65.75], [-66.75, 65.65], [-66.5, 65.75], [-65.97, 65.53], [-65.82, 65.18], [-65.47, 65.03], [-65.32, 64.68], [-65.25, 64.65], [-65.0, 64.75], [-64.47, 64.53], [-64.25, 64.0], [-64.35, 63.75], [-64.25, 63.5], [-64.47, 62.97], [-65.0, 62.75], [-65.25, 62.85], [-65.5, 62.75], [-65.75, 62.85], [-66.0, 62.75], [-66.25, 62.85], [-66.5, 62.75], [-67.03, 62.97], [-67.18, 63.32], [-67.25, 63.35], [-67.5, 63.25], [-67.75, 63.35], [-68.0, 63.25], [-68.53, 63.47], [-68.68, 63.82], [-68.75, 63.85], [-69.0, 63.75], [-69.53, 63.97], [-69.68, 64.32], [-70.03, 64.47], [-70.25, 65.0], [-70.15, 65.25], [-70.18, 65.32], [-70.53, 65.47], [-70.68, 65.82], [-70.75, 65.85], [-71.0, 65.75], [-71.25, 65.85], [-71.5, 65.75], [-72.03, 65.97]]]]}, "2019-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.5, 67.25], [-69.97, 67.03], [-69.75, 66.5], [-69.97, 65.97], [-70.5, 65.75], [-71.03, 65.97], [-71.25, 66.5], [-71.03, 67.03], [-70.5, 67.25]]]]}, "2019-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.5, 67.25], [-69.97, 67.03], [-69.75, 66.5], [-69.97, 65.97], [-70.5, 65.75], [-71.03, 65.97], [-71.25, 66.5], [-71.03, 67.03], [-70.5, 67.25]]]]}, "2019-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.5, 67.25], [-69.97, 67.03], [-69.75, 66.5], [-69.97, 65.97], [-70.5, 65.75], [-71.03, 65.97], [-71.25, 66.5], [-71.03, 67.03], [-70.5, 67.25]]]]}, "2019-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-70.5, 67.25], [-69.97, 67.03], [-69.75, 66.5], [-69.97, 65.97], [-70.5, 65.75], [-71.03, 65.97], [-71.25, 66.5], [-71.03, 67.03], [-70.5, 67.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.431542312850524}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.606766220049336}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [7.264505195366439, 13.978739210173671, 13.374616385944421, 13.222030607626607, 8.661202421786868, 9.76052117313111, 9.76019933495462, 8.781248061617589]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [7.264505195366439, 16.363111823358224, 16.637961626080312, 16.34114636781277, 8.661202421786868, 9.76052117313111, 9.76019933495462, 8.781248061617589]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5777057192513553, 6.374401844851896, 5.536886301587576, 5.186701984790602, 3.077737945593924, 4.032089629712289, 3.893214127242345, 2.7900418929996817]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5777057192513553, 8.431542312850524, 6.645888957054069, 6.887672229040106, 3.077737945593924, 4.032089629712289, 3.893214127242345, 2.7900418929996817]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6061373046535579, 2.200239383160608, 1.9419183355904444, 1.8125563020870161, 1.6724121927220381, 2.1576035844232075, 2.022843870571184, 1.3906796104208068]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6061373046535579, 3.1051325308065323, 3.4966846226469386, 3.196717364106336, 1.6724121927220381, 2.1576035844232075, 2.022843870571184, 1.3906796104208068]}}