{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:08.689180", "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-03_to_2019-Jul-05_279.0_49.5"}, "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": 2019070001539}, "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 03 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 05 2019"}, "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": 79635.67289274835}, "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": ["E.North-America", "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": []}, "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": 49.5}, "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": 279.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "279.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 274.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 280.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 48.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 51.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.03, 50.53], [-85.5, 50.75], [-85.25, 50.65], [-85.0, 50.75], [-84.75, 50.65], [-84.5, 50.75], [-84.25, 50.65], [-84.0, 50.75], [-83.75, 50.65], [-83.62, 50.7], [-83.75, 51.0], [-83.53, 51.53], [-83.0, 51.75], [-82.75, 51.65], [-82.68, 51.68], [-82.53, 52.03], [-82.0, 52.25], [-81.75, 52.15], [-81.5, 52.25], [-80.97, 52.03], [-80.75, 51.5], [-80.85, 51.25], [-80.75, 51.0], [-80.87, 50.7], [-80.75, 50.65], [-80.5, 50.75], [-80.25, 50.65], [-80.18, 50.68], [-80.03, 51.03], [-79.5, 51.25], [-78.97, 51.03], [-78.75, 50.5], [-78.85, 50.25], [-78.75, 50.0], [-78.85, 49.75], [-78.75, 49.5], [-78.85, 49.25], [-78.75, 49.0], [-78.97, 48.47], [-79.5, 48.25], [-80.03, 48.47], [-80.18, 48.82], [-80.25, 48.85], [-80.5, 48.75], [-80.75, 48.85], [-81.0, 48.75], [-81.25, 48.85], [-81.5, 48.75], [-81.75, 48.85], [-81.82, 48.82], [-81.97, 48.47], [-82.5, 48.25], [-82.75, 48.35], [-83.0, 48.25], [-83.25, 48.35], [-83.32, 48.32], [-83.47, 47.97], [-84.0, 47.75], [-84.53, 47.97], [-84.75, 48.5], [-84.65, 48.75], [-84.68, 48.82], [-85.0, 48.96], [-85.5, 48.75], [-86.03, 48.97], [-86.25, 49.5], [-86.15, 49.75], [-86.25, 50.0], [-86.03, 50.53]]]]}, "2019-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.03, 50.53], [-85.5, 50.75], [-85.25, 50.65], [-85.0, 50.75], [-84.75, 50.65], [-84.5, 50.75], [-84.25, 50.65], [-84.0, 50.75], [-83.75, 50.65], [-83.62, 50.7], [-83.75, 51.0], [-83.53, 51.53], [-83.0, 51.75], [-82.75, 51.65], [-82.68, 51.68], [-82.53, 52.03], [-82.0, 52.25], [-81.75, 52.15], [-81.5, 52.25], [-80.97, 52.03], [-80.75, 51.5], [-80.85, 51.25], [-80.75, 51.0], [-80.87, 50.7], [-80.75, 50.65], [-80.5, 50.75], [-80.25, 50.65], [-80.18, 50.68], [-80.03, 51.03], [-79.5, 51.25], [-78.97, 51.03], [-78.75, 50.5], [-78.85, 50.25], [-78.75, 50.0], [-78.85, 49.75], [-78.75, 49.5], [-78.85, 49.25], [-78.75, 49.0], [-78.97, 48.47], [-79.5, 48.25], [-80.03, 48.47], [-80.18, 48.82], [-80.25, 48.85], [-80.5, 48.75], [-80.75, 48.85], [-81.0, 48.75], [-81.25, 48.85], [-81.5, 48.75], [-81.75, 48.85], [-81.82, 48.82], [-81.97, 48.47], [-82.5, 48.25], [-82.75, 48.35], [-83.0, 48.25], [-83.25, 48.35], [-83.32, 48.32], [-83.47, 47.97], [-84.0, 47.75], [-84.53, 47.97], [-84.75, 48.5], [-84.65, 48.75], [-84.68, 48.82], [-85.0, 48.96], [-85.5, 48.75], [-86.03, 48.97], [-86.25, 49.5], [-86.15, 49.75], [-86.25, 50.0], [-86.03, 50.53]]]]}, "2019-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.03, 50.53], [-85.5, 50.75], [-85.25, 50.65], [-85.0, 50.75], [-84.75, 50.65], [-84.5, 50.75], [-84.25, 50.65], [-84.0, 50.75], [-83.75, 50.65], [-83.62, 50.7], [-83.75, 51.0], [-83.53, 51.53], [-83.0, 51.75], [-82.75, 51.65], [-82.68, 51.68], [-82.53, 52.03], [-82.0, 52.25], [-81.75, 52.15], [-81.5, 52.25], [-80.97, 52.03], [-80.75, 51.5], [-80.85, 51.25], [-80.75, 51.0], [-80.87, 50.7], [-80.75, 50.65], [-80.5, 50.75], [-80.25, 50.65], [-80.18, 50.68], [-80.03, 51.03], [-79.5, 51.25], [-78.97, 51.03], [-78.75, 50.5], [-78.85, 50.25], [-78.75, 50.0], [-78.85, 49.75], [-78.75, 49.5], [-78.85, 49.25], [-78.75, 49.0], [-78.97, 48.47], [-79.5, 48.25], [-80.03, 48.47], [-80.18, 48.82], [-80.25, 48.85], [-80.5, 48.75], [-80.75, 48.85], [-81.0, 48.75], [-81.25, 48.85], [-81.5, 48.75], [-81.75, 48.85], [-81.82, 48.82], [-81.97, 48.47], [-82.5, 48.25], [-82.75, 48.35], [-83.0, 48.25], [-83.25, 48.35], [-83.32, 48.32], [-83.47, 47.97], [-84.0, 47.75], [-84.53, 47.97], [-84.75, 48.5], [-84.65, 48.75], [-84.68, 48.82], [-85.0, 48.96], [-85.5, 48.75], [-86.03, 48.97], [-86.25, 49.5], [-86.15, 49.75], [-86.25, 50.0], [-86.03, 50.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.180243801961069}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.632745303025443}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.35839332462905, 24.587815158819183, 23.106721905080065]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.36779048946204, 25.543143510001812, 24.083044162812996]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.409297887203091, 7.551168669344408, 5.937769352528825]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.689182032426686, 8.180243801961069, 6.788803661319605]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6130516342515768, 1.9330131070748187, 1.572398317246368]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7935178406736296, 2.1592182526523507, 1.8026954948631086]}}