{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:50.293492", "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": "2014-Nov-06_to_2014-Nov-09_241.0_50.5"}, "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": 2014110001622}, "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": "November 06 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 09 2014"}, "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": 88527.77621238049}, "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.W.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": 50.5}, "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": 241.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "241.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 239.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 244.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 49.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 53.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-11-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-120.53, 52.53], [-120.18, 52.68], [-120.03, 53.03], [-119.5, 53.25], [-119.25, 53.15], [-119.18, 53.18], [-119.03, 53.53], [-118.5, 53.75], [-118.25, 53.65], [-118.0, 53.75], [-117.47, 53.53], [-117.32, 53.18], [-117.0, 53.04], [-116.5, 53.25], [-116.25, 53.15], [-116.0, 53.25], [-115.47, 53.03], [-115.25, 52.5], [-115.35, 52.25], [-115.32, 52.18], [-114.97, 52.03], [-114.75, 51.5], [-114.85, 51.25], [-114.75, 51.0], [-114.85, 50.75], [-114.75, 50.5], [-114.97, 49.97], [-115.5, 49.75], [-115.75, 49.85], [-116.0, 49.75], [-116.5, 49.96], [-116.82, 49.82], [-116.97, 49.47], [-117.5, 49.25], [-117.75, 49.35], [-118.0, 49.25], [-118.53, 49.47], [-118.7, 49.88], [-118.82, 49.82], [-118.97, 49.47], [-119.5, 49.25], [-120.03, 49.47], [-120.25, 50.0], [-120.04, 50.5], [-120.18, 50.82], [-120.53, 50.97], [-120.75, 51.5], [-120.65, 51.75], [-120.75, 52.0], [-120.53, 52.53]]]]}, "2014-11-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-120.53, 52.53], [-120.18, 52.68], [-120.03, 53.03], [-119.5, 53.25], [-119.25, 53.15], [-119.18, 53.18], [-119.03, 53.53], [-118.5, 53.75], [-118.25, 53.65], [-118.0, 53.75], [-117.47, 53.53], [-117.32, 53.18], [-117.0, 53.04], [-116.5, 53.25], [-116.25, 53.15], [-116.0, 53.25], [-115.47, 53.03], [-115.25, 52.5], [-115.35, 52.25], [-115.32, 52.18], [-114.97, 52.03], [-114.75, 51.5], [-114.85, 51.25], [-114.75, 51.0], [-114.85, 50.75], [-114.75, 50.5], [-114.97, 49.97], [-115.5, 49.75], [-115.75, 49.85], [-116.0, 49.75], [-116.5, 49.96], [-116.82, 49.82], [-116.97, 49.47], [-117.5, 49.25], [-117.75, 49.35], [-118.0, 49.25], [-118.53, 49.47], [-118.7, 49.88], [-118.82, 49.82], [-118.97, 49.47], [-119.5, 49.25], [-120.03, 49.47], [-120.25, 50.0], [-120.04, 50.5], [-120.18, 50.82], [-120.53, 50.97], [-120.75, 51.5], [-120.65, 51.75], [-120.75, 52.0], [-120.53, 52.53]]]]}, "2014-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-120.53, 52.53], [-120.18, 52.68], [-120.03, 53.03], [-119.5, 53.25], [-119.25, 53.15], [-119.18, 53.18], [-119.03, 53.53], [-118.5, 53.75], [-118.25, 53.65], [-118.0, 53.75], [-117.47, 53.53], [-117.32, 53.18], [-117.0, 53.04], [-116.5, 53.25], [-116.25, 53.15], [-116.0, 53.25], [-115.47, 53.03], [-115.25, 52.5], [-115.35, 52.25], [-115.32, 52.18], [-114.97, 52.03], [-114.75, 51.5], [-114.85, 51.25], [-114.75, 51.0], [-114.85, 50.75], [-114.75, 50.5], [-114.97, 49.97], [-115.5, 49.75], [-115.75, 49.85], [-116.0, 49.75], [-116.5, 49.96], [-116.82, 49.82], [-116.97, 49.47], [-117.5, 49.25], [-117.75, 49.35], [-118.0, 49.25], [-118.53, 49.47], [-118.7, 49.88], [-118.82, 49.82], [-118.97, 49.47], [-119.5, 49.25], [-120.03, 49.47], [-120.25, 50.0], [-120.04, 50.5], [-120.18, 50.82], [-120.53, 50.97], [-120.75, 51.5], [-120.65, 51.75], [-120.75, 52.0], [-120.53, 52.53]]]]}, "2014-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-119.75, 51.0], [-119.53, 51.53], [-119.0, 51.75], [-118.57, 51.57], [-118.75, 52.0], [-118.53, 52.53], [-118.0, 52.75], [-117.47, 52.53], [-117.32, 52.18], [-117.25, 52.15], 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t2m.", "value": [7.608623977143623, 7.4221996715175464, 6.9257491918778555, 6.283159932930687]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.38601997401816, 7.617919113928944, 6.379927479563982, 5.584862436626537]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.853321252815249, 9.770640898071065, 8.610066022260071, 7.490539255432054]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.360244045546563, 1.6184249757488003, 1.3572853542969936, 1.2767217436373182]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.71258720405926, 1.8448415147417525, 1.6541482983691018, 1.3891935205077246]}}