{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:20.676190", "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-Mar-04_to_2024-Mar-07_57.0_-79.5"}, "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": 2024030000925}, "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": "March 04 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 07 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 66140.12406703133}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": -79.5}, "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": 57.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "57.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 51.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 67.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -80.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -77.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[54.25, -78.5], [54.47, -77.97], [54.82, -77.82], [54.97, -77.47], [55.5, -77.25], [56.03, -77.47], [56.18, -77.82], [56.25, -77.85], [56.5, -77.75], [56.75, -77.85], [57.0, -77.75], [57.25, -77.85], [57.5, -77.75], [57.75, -77.85], [58.0, -77.75], [58.53, -77.97], [58.68, -78.32], [58.75, -78.35], [59.0, -78.25], [59.25, -78.35], [59.5, -78.25], [59.75, -78.35], [60.0, -78.25], [60.25, -78.35], [60.5, -78.25], [60.75, -78.35], [61.0, -78.25], [61.25, -78.35], [61.5, -78.25], [61.75, -78.35], [62.0, -78.25], [62.25, -78.35], [62.5, -78.25], [63.03, -78.47], [63.18, -78.82], [63.25, -78.85], [63.5, -78.75], [63.75, -78.85], [64.0, -78.75], [64.25, -78.85], [64.5, -78.75], [64.75, -78.85], [65.0, -78.75], [65.53, -78.97], [65.68, -79.32], [65.75, -79.35], [66.0, -79.25], [66.25, -79.35], [66.5, -79.25], [66.75, -79.35], [67.0, -79.25], [67.53, -79.47], [67.75, -80.0], [67.53, -80.53], [67.0, -80.75], [66.75, -80.65], [66.5, -80.75], [66.25, -80.65], [66.0, -80.75], [65.75, -80.65], [65.5, -80.75], [65.25, -80.65], [65.0, -80.75], [64.75, -80.65], [64.5, -80.75], [64.25, -80.65], [64.0, -80.75], [63.75, -80.65], [63.5, -80.75], [63.25, -80.65], [63.0, -80.75], [62.75, -80.65], [62.5, -80.75], [62.25, -80.65], [62.0, -80.75], [61.75, -80.65], [61.5, -80.75], [61.25, -80.65], [61.0, -80.75], [60.75, -80.65], [60.5, -80.75], [60.25, -80.65], [60.0, -80.75], [59.75, -80.65], [59.5, -80.75], [58.97, -80.53], [58.82, -80.18], [58.75, -80.15], [58.5, -80.25], [58.25, -80.15], [58.0, -80.25], [57.75, -80.15], [57.5, -80.25], [57.25, -80.15], [57.0, -80.25], [56.75, -80.15], [56.5, -80.25], [55.97, -80.03], [55.82, -79.68], [55.75, -79.65], [55.5, -79.75], [54.97, -79.53], [54.82, -79.18], [54.47, -79.03], [54.25, -78.5]]]]}, "2024-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.97, -77.97], [51.32, -77.82], [51.47, -77.47], [52.0, -77.25], [52.25, -77.35], [52.5, -77.25], [52.75, -77.35], [53.0, -77.25], [53.25, -77.35], [53.5, -77.25], [53.75, -77.35], [54.0, -77.25], [54.25, -77.35], [54.5, -77.25], [55.0, -77.46], [55.5, -77.25], [56.03, -77.47], [56.18, -77.82], [56.25, -77.85], [56.5, -77.75], [56.75, -77.85], [57.0, -77.75], [57.25, -77.85], [57.5, -77.75], [57.75, -77.85], [58.0, -77.75], [58.53, -77.97], [58.68, -78.32], [58.75, -78.35], [59.0, -78.25], [59.25, -78.35], [59.5, -78.25], [59.75, -78.35], [60.0, -78.25], [60.25, -78.35], [60.5, -78.25], [60.75, -78.35], [61.0, -78.25], [61.25, -78.35], [61.5, -78.25], [61.75, -78.35], [62.0, -78.25], [62.25, -78.35], [62.5, -78.25], [63.03, -78.47], [63.18, -78.82], [63.25, -78.85], [63.5, -78.75], [63.75, -78.85], [64.0, -78.75], [64.25, -78.85], [64.5, -78.75], [64.75, -78.85], [65.0, -78.75], [65.53, -78.97], [65.68, -79.32], [65.75, -79.35], [66.0, -79.25], [66.25, -79.35], [66.5, -79.25], [66.75, -79.35], [67.0, -79.25], [67.53, -79.47], [67.75, -80.0], [67.53, -80.53], [67.0, -80.75], [66.75, -80.65], [66.5, -80.75], [66.25, -80.65], [66.0, -80.75], [65.75, -80.65], [65.5, -80.75], [65.25, -80.65], [65.0, -80.75], [64.75, -80.65], [64.5, -80.75], [64.25, -80.65], [64.18, -80.68], [64.03, -81.03], [63.5, -81.25], [63.25, -81.15], [63.0, -81.25], [62.75, -81.15], [62.5, -81.25], [62.25, -81.15], [62.0, -81.25], [61.75, -81.15], [61.5, -81.25], [61.25, -81.15], [61.0, -81.25], [60.75, -81.15], [60.5, -81.25], [60.25, -81.15], [60.0, -81.25], [59.75, -81.15], [59.5, -81.25], [59.25, -81.15], [59.0, -81.25], [58.75, -81.15], [58.5, -81.25], [58.25, -81.15], [58.0, -81.25], [57.75, -81.15], [57.5, -81.25], [57.25, -81.15], [57.0, -81.25], [56.75, -81.15], [56.5, -81.25], [56.25, -81.15], [56.0, -81.25], [55.75, -81.15], [55.5, -81.25], [54.97, -81.03], [54.82, -80.68], [54.75, -80.65], [54.5, -80.75], [54.25, -80.65], [54.0, -80.75], [53.75, -80.65], [53.5, -80.75], [53.25, -80.65], [53.0, -80.75], [52.47, -80.53], [52.32, -80.18], [52.25, -80.15], [52.0, -80.25], [51.47, -80.03], [51.32, -79.68], [50.97, -79.53], [50.75, -79.0], [50.85, -78.75], [50.75, -78.5], [50.97, -77.97]]]]}, "2024-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.97, -77.97], [51.32, -77.82], [51.47, -77.47], [52.0, -77.25], [52.25, -77.35], [52.5, -77.25], [52.75, -77.35], [53.0, -77.25], [53.25, -77.35], [53.5, -77.25], [53.75, -77.35], [54.0, -77.25], [54.25, -77.35], [54.5, -77.25], [55.0, -77.46], [55.5, -77.25], [56.03, -77.47], [56.18, -77.82], [56.25, -77.85], [56.5, -77.75], [56.75, -77.85], [57.0, -77.75], [57.25, -77.85], [57.5, -77.75], [57.75, -77.85], [58.0, -77.75], [58.53, -77.97], [58.68, -78.32], [58.75, -78.35], [59.0, -78.25], [59.25, -78.35], [59.5, -78.25], [59.75, -78.35], [60.0, -78.25], [60.25, -78.35], [60.5, -78.25], [60.75, -78.35], [61.0, -78.25], [61.25, -78.35], [61.5, -78.25], [61.75, -78.35], [62.0, -78.25], [62.25, -78.35], [62.5, -78.25], [63.03, -78.47], [63.18, -78.82], [63.25, -78.85], [63.5, -78.75], [63.75, -78.85], [64.0, -78.75], [64.25, -78.85], [64.5, -78.75], [64.75, -78.85], [65.0, -78.75], [65.53, -78.97], [65.68, -79.32], [65.75, -79.35], [66.0, -79.25], [66.25, -79.35], [66.5, -79.25], [66.75, -79.35], [67.0, -79.25], [67.53, -79.47], [67.75, -80.0], [67.53, -80.53], [67.0, -80.75], [66.75, -80.65], [66.5, -80.75], [66.25, -80.65], [66.0, -80.75], [65.75, -80.65], [65.5, -80.75], [65.25, -80.65], [65.0, -80.75], [64.75, -80.65], [64.5, -80.75], [64.25, -80.65], [64.18, -80.68], [64.03, -81.03], [63.5, -81.25], [63.25, -81.15], [63.0, -81.25], [62.75, -81.15], [62.5, -81.25], [62.25, -81.15], [62.0, -81.25], [61.75, -81.15], [61.5, -81.25], [61.25, -81.15], [61.0, -81.25], [60.75, -81.15], [60.5, -81.25], [60.25, -81.15], [60.0, -81.25], [59.75, -81.15], [59.5, -81.25], [59.25, -81.15], [59.0, -81.25], [58.75, -81.15], [58.5, -81.25], [58.25, -81.15], [58.0, -81.25], [57.75, -81.15], [57.5, -81.25], [57.25, -81.15], [57.0, -81.25], [56.75, -81.15], [56.5, -81.25], [56.25, -81.15], [56.0, -81.25], [55.75, -81.15], [55.5, -81.25], [54.97, -81.03], [54.82, -80.68], [54.75, -80.65], [54.5, -80.75], [54.25, -80.65], [54.0, -80.75], [53.75, -80.65], [53.5, -80.75], [53.25, -80.65], [53.0, -80.75], [52.47, -80.53], [52.32, -80.18], [52.25, -80.15], [52.0, -80.25], [51.47, -80.03], [51.32, -79.68], [50.97, -79.53], [50.75, -79.0], [50.85, -78.75], [50.75, -78.5], [50.97, -77.97]]]]}, "2024-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.97, -77.97], [51.32, -77.82], [51.47, -77.47], [52.0, -77.25], [52.25, -77.35], [52.5, -77.25], [52.75, -77.35], [53.0, -77.25], [53.25, -77.35], [53.5, -77.25], [53.75, -77.35], [54.0, -77.25], [54.25, -77.35], [54.5, -77.25], [55.03, -77.47], [55.18, -77.82], [55.25, -77.85], [55.5, -77.75], [56.03, -77.97], [56.18, -78.32], [56.25, -78.35], [56.5, -78.25], [56.75, -78.35], [57.0, -78.25], [57.25, -78.35], [57.5, -78.25], [57.75, -78.35], [58.0, -78.25], [58.25, -78.35], [58.5, -78.25], [58.75, -78.35], [59.0, -78.25], [59.53, -78.47], [59.68, -78.82], [59.75, -78.85], [60.0, -78.75], [60.25, -78.85], [60.5, -78.75], [60.75, -78.85], [61.0, -78.75], [61.25, -78.85], [61.5, -78.75], [61.75, -78.85], [62.0, -78.75], [62.25, -78.85], [62.5, -78.75], [62.75, -78.85], [63.0, -78.75], [63.25, -78.85], [63.5, -78.75], [63.75, -78.85], [64.0, -78.75], [64.25, -78.85], [64.5, -78.75], [64.75, -78.85], [65.0, -78.75], [65.53, -78.97], [65.68, -79.32], [65.75, -79.35], [66.0, -79.25], [66.25, -79.35], [66.5, -79.25], [66.75, -79.35], [67.0, -79.25], [67.53, -79.47], [67.75, -80.0], [67.53, -80.53], [67.0, -80.75], [66.75, -80.65], [66.5, -80.75], [66.25, -80.65], [66.0, -80.75], [65.75, -80.65], [65.5, -80.75], [65.25, -80.65], [65.0, -80.75], [64.75, -80.65], [64.5, -80.75], [64.25, -80.65], [64.18, -80.68], [64.03, -81.03], [63.5, -81.25], [63.25, -81.15], [63.0, -81.25], [62.75, -81.15], [62.5, -81.25], [62.25, -81.15], [62.0, -81.25], [61.75, -81.15], [61.5, -81.25], [61.25, -81.15], [61.0, -81.25], [60.75, -81.15], [60.5, -81.25], [60.25, -81.15], [60.0, -81.25], [59.75, -81.15], [59.5, -81.25], [59.25, -81.15], [59.0, -81.25], [58.75, -81.15], [58.5, -81.25], [58.25, -81.15], [58.0, -81.25], [57.75, -81.15], [57.5, -81.25], [57.25, -81.15], [57.0, -81.25], [56.75, -81.15], [56.5, -81.25], [56.25, -81.15], [56.0, -81.25], [55.75, -81.15], [55.5, -81.25], [54.97, -81.03], [54.82, -80.68], [54.75, -80.65], [54.5, -80.75], [54.25, -80.65], [54.0, -80.75], [53.75, -80.65], [53.5, -80.75], [53.25, -80.65], [53.0, -80.75], [52.47, -80.53], [52.32, -80.18], [52.25, -80.15], [52.0, -80.25], [51.47, -80.03], [51.32, -79.68], [50.97, -79.53], [50.75, -79.0], [50.85, -78.75], [50.75, -78.5], [50.97, -77.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.964949357007896}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.955774083883839}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-42.23819670614009, -43.75140659643708, -42.82307177091715, -44.27931578413603]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-39.763368062822764, -41.23348981625148, -39.24565585699315, -42.77342283936858]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.3312381591597635, 6.310175658757643, 7.762988970858848, 7.116249292277685]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.67629838345087, 7.188708112280864, 8.964949357007896, 8.009164692431483]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8032552015978582, 1.7972221760381568, 2.227093516674182, 2.0438846256653]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8932095340737685, 2.0310032130577764, 2.5800626377770097, 2.338842173011192]}}