{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:15.288167", "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": "2016-Sep-02_to_2016-Sep-04_265.0_55.5"}, "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": 2016090001079}, "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": "September 02 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 04 2016"}, "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": 66228.98583859569}, "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": []}, "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": 55.5}, "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": 265.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "265.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 264.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 268.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 52.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 56.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-09-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.03, 56.53], [-95.5, 56.75], [-95.25, 56.65], [-95.0, 56.75], [-94.75, 56.65], [-94.5, 56.75], [-94.25, 56.65], [-94.0, 56.75], [-93.75, 56.65], [-93.5, 56.75], [-92.97, 56.53], [-92.82, 56.18], [-92.75, 56.15], [-92.5, 56.25], [-91.97, 56.03], [-91.82, 55.68], [-91.47, 55.53], [-91.25, 55.0], [-91.35, 54.75], [-91.25, 54.5], [-91.47, 53.97], [-91.82, 53.82], [-91.97, 53.47], [-92.5, 53.25], [-92.75, 53.35], [-92.82, 53.32], [-92.97, 52.97], [-93.32, 52.82], [-93.35, 52.75], [-93.25, 52.5], [-93.47, 51.97], [-94.0, 51.75], [-94.25, 51.85], [-94.5, 51.75], [-95.03, 51.97], [-95.25, 52.5], [-95.15, 52.75], [-95.18, 52.82], [-95.53, 52.97], [-95.75, 53.5], [-95.53, 54.03], [-95.18, 54.18], [-95.15, 54.25], [-95.25, 54.5], [-95.15, 54.75], [-95.18, 54.82], [-95.25, 54.85], [-95.5, 54.75], [-96.03, 54.97], [-96.25, 55.5], [-96.15, 55.75], [-96.25, 56.0], [-96.03, 56.53]]]]}, "2016-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.03, 56.53], [-95.5, 56.75], [-95.25, 56.65], [-95.0, 56.75], [-94.75, 56.65], [-94.5, 56.75], [-94.25, 56.65], [-94.0, 56.75], [-93.75, 56.65], [-93.5, 56.75], [-92.97, 56.53], [-92.82, 56.18], [-92.75, 56.15], [-92.5, 56.25], [-91.97, 56.03], [-91.82, 55.68], [-91.47, 55.53], [-91.25, 55.0], [-91.35, 54.75], [-91.25, 54.5], [-91.47, 53.97], [-91.82, 53.82], [-91.97, 53.47], [-92.5, 53.25], [-92.75, 53.35], [-92.82, 53.32], [-92.97, 52.97], [-93.32, 52.82], [-93.35, 52.75], [-93.25, 52.5], [-93.47, 51.97], [-94.0, 51.75], [-94.25, 51.85], [-94.5, 51.75], [-95.03, 51.97], [-95.25, 52.5], [-95.15, 52.75], [-95.18, 52.82], [-95.53, 52.97], [-95.75, 53.5], [-95.53, 54.03], [-95.18, 54.18], [-95.15, 54.25], [-95.25, 54.5], [-95.15, 54.75], [-95.18, 54.82], [-95.25, 54.85], [-95.5, 54.75], [-96.03, 54.97], [-96.25, 55.5], [-96.15, 55.75], [-96.25, 56.0], [-96.03, 56.53]]]]}, "2016-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-96.03, 56.53], [-95.5, 56.75], [-95.25, 56.65], [-95.0, 56.75], [-94.75, 56.65], [-94.5, 56.75], [-94.25, 56.65], [-94.0, 56.75], [-93.75, 56.65], [-93.5, 56.75], [-92.97, 56.53], [-92.82, 56.18], [-92.75, 56.15], [-92.5, 56.25], [-91.97, 56.03], [-91.82, 55.68], [-91.47, 55.53], [-91.25, 55.0], [-91.35, 54.75], [-91.25, 54.5], [-91.47, 53.97], [-91.82, 53.82], [-91.97, 53.47], [-92.5, 53.25], [-92.75, 53.35], [-92.82, 53.32], [-92.97, 52.97], [-93.32, 52.82], [-93.35, 52.75], [-93.25, 52.5], [-93.47, 51.97], [-94.0, 51.75], [-94.25, 51.85], [-94.5, 51.75], [-95.03, 51.97], [-95.25, 52.5], [-95.15, 52.75], [-95.18, 52.82], [-95.53, 52.97], [-95.75, 53.5], [-95.53, 54.03], [-95.18, 54.18], [-95.15, 54.25], [-95.25, 54.5], [-95.15, 54.75], [-95.18, 54.82], [-95.25, 54.85], [-95.5, 54.75], [-96.03, 54.97], [-96.25, 55.5], [-96.15, 55.75], [-96.25, 56.0], [-96.03, 56.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.117703038391369}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.665340466631808}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.979630836232673, 20.68831937265901, 18.09295167061174]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.871541818200797, 21.85974352373273, 19.573203222974882]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.907563064825798, 8.138218926689479, 5.950239408380159]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.149582467999949, 10.117703038391369, 7.8261781554247705]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6448497224025938, 2.3611213366042167, 1.727516714542829]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.961150157538118, 2.9264738126614986, 2.1032816666673146]}}