{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:17.743283", "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": "2010-Jul-19_to_2010-Jul-21_307.0_46.5"}, "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": 2010070002568}, "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 19 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 21 2010"}, "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": 58414.862566957774}, "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.Atlantic-Ocean"]}, "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": ["North Atlantic Ocean"]}, "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": 46.5}, "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": 307.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "307.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 306.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 310.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 47.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.53, 47.53], [-53.0, 47.75], [-52.75, 47.65], [-52.5, 47.75], [-51.97, 47.53], [-51.82, 47.18], [-51.75, 47.15], [-51.5, 47.25], [-50.97, 47.03], [-50.82, 46.68], [-50.75, 46.65], [-50.5, 46.75], [-49.97, 46.53], [-49.82, 46.18], [-49.47, 46.03], [-49.25, 45.5], [-49.47, 44.97], [-49.82, 44.82], [-49.97, 44.47], [-50.5, 44.25], [-50.75, 44.35], [-50.82, 44.32], [-50.97, 43.97], [-51.5, 43.75], [-51.75, 43.85], [-51.82, 43.82], [-51.97, 43.47], [-52.5, 43.25], [-53.03, 43.47], [-53.25, 44.0], [-53.15, 44.25], [-53.18, 44.32], [-53.53, 44.47], [-53.75, 45.0], [-53.53, 45.53], [-53.18, 45.68], [-53.15, 45.75], [-53.18, 45.82], [-53.53, 45.97], [-53.75, 46.5], [-53.65, 46.75], [-53.75, 47.0], [-53.53, 47.53]]]]}, "2010-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.53, 47.53], [-53.0, 47.75], [-52.75, 47.65], [-52.5, 47.75], [-51.97, 47.53], [-51.82, 47.18], [-51.75, 47.15], [-51.5, 47.25], [-50.97, 47.03], [-50.82, 46.68], [-50.75, 46.65], [-50.5, 46.75], [-49.97, 46.53], [-49.82, 46.18], [-49.47, 46.03], [-49.25, 45.5], [-49.47, 44.97], [-49.82, 44.82], [-49.97, 44.47], [-50.5, 44.25], [-50.75, 44.35], [-50.82, 44.32], [-50.97, 43.97], [-51.5, 43.75], [-51.75, 43.85], [-51.82, 43.82], [-51.97, 43.47], [-52.5, 43.25], [-53.03, 43.47], [-53.25, 44.0], [-53.15, 44.25], [-53.18, 44.32], [-53.53, 44.47], [-53.75, 45.0], [-53.53, 45.53], [-53.18, 45.68], [-53.15, 45.75], [-53.18, 45.82], [-53.53, 45.97], [-53.75, 46.5], [-53.65, 46.75], [-53.75, 47.0], [-53.53, 47.53]]]]}, "2010-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-53.53, 47.53], [-53.0, 47.75], [-52.75, 47.65], [-52.5, 47.75], [-51.97, 47.53], [-51.82, 47.18], [-51.75, 47.15], [-51.5, 47.25], [-50.97, 47.03], [-50.82, 46.68], [-50.75, 46.65], [-50.5, 46.75], [-49.97, 46.53], [-49.82, 46.18], [-49.47, 46.03], [-49.25, 45.5], [-49.47, 44.97], [-49.82, 44.82], [-49.97, 44.47], [-50.5, 44.25], [-50.75, 44.35], [-50.82, 44.32], [-50.97, 43.97], [-51.5, 43.75], [-51.75, 43.85], [-51.82, 43.82], [-51.97, 43.47], [-52.5, 43.25], [-53.03, 43.47], [-53.25, 44.0], [-53.15, 44.25], [-53.18, 44.32], [-53.53, 44.47], [-53.75, 45.0], [-53.53, 45.53], [-53.18, 45.68], [-53.15, 45.75], [-53.18, 45.82], [-53.53, 45.97], [-53.75, 46.5], [-53.65, 46.75], [-53.75, 47.0], [-53.53, 47.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.416147707909772}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.6048944924608453}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.78901378666626, 16.858867546414785, 17.00451700916068]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.162729517085268, 19.504934838601287, 19.734280726992438]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.690662869499323, 2.5766716845784026, 2.54734892330481]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.416147707909772, 2.8579094570514485, 2.9703676178017417]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5050326230065665, 1.4399718709147296, 1.3976687664412866]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7750383069894773, 1.7164187991812798, 1.5798211867405887]}}