{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:12.030269", "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-Nov-13_to_2010-Nov-15_252.5_63.5"}, "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": 2010110001907}, "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 13 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 15 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": 129359.98276519828}, "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", "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": 63.5}, "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": 252.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "252.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 248.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 256.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 60.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 65.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.03, 65.53], [-111.5, 65.75], [-110.97, 65.53], [-110.82, 65.18], [-110.75, 65.15], [-110.5, 65.25], [-109.97, 65.03], [-109.75, 64.5], [-109.85, 64.25], [-109.82, 64.18], [-109.75, 64.15], [-109.5, 64.25], [-109.25, 64.15], [-109.18, 64.18], [-109.03, 64.53], [-108.5, 64.75], [-108.25, 64.65], [-108.0, 64.75], [-107.75, 64.65], [-107.5, 64.75], [-107.25, 64.65], [-107.0, 64.75], [-106.75, 64.65], [-106.68, 64.68], [-106.53, 65.03], [-106.0, 65.25], [-105.47, 65.03], [-105.32, 64.68], [-104.97, 64.53], [-104.82, 64.18], [-104.75, 64.15], [-104.5, 64.25], [-103.97, 64.03], [-103.82, 63.68], [-103.75, 63.65], [-103.5, 63.75], [-102.97, 63.53], [-102.75, 63.0], [-102.85, 62.75], [-102.75, 62.5], [-102.85, 62.25], [-102.75, 62.0], [-102.85, 61.75], [-102.75, 61.5], [-102.97, 60.97], [-103.5, 60.75], [-103.75, 60.85], [-104.0, 60.75], [-104.25, 60.85], [-104.32, 60.82], [-104.47, 60.47], [-105.0, 60.25], [-105.25, 60.35], [-105.32, 60.32], [-105.47, 59.97], [-106.0, 59.75], [-106.25, 59.85], [-106.5, 59.75], [-106.75, 59.85], [-107.0, 59.75], [-107.53, 59.97], [-107.68, 60.32], [-107.75, 60.35], [-108.0, 60.25], [-108.53, 60.47], [-108.68, 60.82], [-108.75, 60.85], [-109.0, 60.75], [-109.53, 60.97], [-109.75, 61.5], [-109.65, 61.75], [-109.68, 61.82], [-109.75, 61.85], [-110.0, 61.75], [-110.53, 61.97], [-110.68, 62.32], [-111.03, 62.47], [-111.18, 62.82], [-111.53, 62.97], [-111.68, 63.32], [-112.03, 63.47], [-112.25, 64.0], [-112.04, 64.5], [-112.25, 65.0], [-112.03, 65.53]]]]}, "2010-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.03, 65.53], [-111.5, 65.75], [-110.97, 65.53], [-110.82, 65.18], [-110.75, 65.15], [-110.5, 65.25], [-109.97, 65.03], [-109.75, 64.5], [-109.85, 64.25], [-109.82, 64.18], [-109.75, 64.15], [-109.5, 64.25], [-109.25, 64.15], [-109.18, 64.18], [-109.03, 64.53], [-108.5, 64.75], [-108.25, 64.65], [-108.0, 64.75], [-107.75, 64.65], [-107.5, 64.75], [-107.25, 64.65], [-107.0, 64.75], [-106.75, 64.65], [-106.68, 64.68], [-106.53, 65.03], [-106.0, 65.25], [-105.47, 65.03], [-105.32, 64.68], [-104.97, 64.53], [-104.82, 64.18], [-104.75, 64.15], [-104.5, 64.25], [-103.97, 64.03], [-103.82, 63.68], [-103.75, 63.65], [-103.5, 63.75], [-102.97, 63.53], [-102.75, 63.0], [-102.85, 62.75], [-102.75, 62.5], [-102.85, 62.25], [-102.75, 62.0], [-102.85, 61.75], [-102.75, 61.5], [-102.97, 60.97], [-103.5, 60.75], [-103.75, 60.85], [-104.0, 60.75], [-104.25, 60.85], [-104.32, 60.82], [-104.47, 60.47], [-105.0, 60.25], [-105.25, 60.35], [-105.32, 60.32], [-105.47, 59.97], [-106.0, 59.75], [-106.25, 59.85], [-106.5, 59.75], [-106.75, 59.85], [-107.0, 59.75], [-107.53, 59.97], [-107.68, 60.32], [-107.75, 60.35], [-108.0, 60.25], [-108.53, 60.47], [-108.68, 60.82], [-108.75, 60.85], [-109.0, 60.75], [-109.53, 60.97], [-109.75, 61.5], [-109.65, 61.75], [-109.68, 61.82], [-109.75, 61.85], [-110.0, 61.75], [-110.53, 61.97], [-110.68, 62.32], [-111.03, 62.47], [-111.18, 62.82], [-111.53, 62.97], [-111.68, 63.32], [-112.03, 63.47], [-112.25, 64.0], [-112.04, 64.5], [-112.25, 65.0], [-112.03, 65.53]]]]}, "2010-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-112.03, 65.53], [-111.5, 65.75], [-110.97, 65.53], [-110.82, 65.18], [-110.75, 65.15], [-110.5, 65.25], [-109.97, 65.03], [-109.75, 64.5], [-109.85, 64.25], [-109.82, 64.18], [-109.75, 64.15], [-109.5, 64.25], [-109.25, 64.15], [-109.18, 64.18], [-109.03, 64.53], [-108.5, 64.75], [-108.25, 64.65], [-108.0, 64.75], [-107.75, 64.65], [-107.5, 64.75], [-107.25, 64.65], [-107.0, 64.75], [-106.75, 64.65], [-106.68, 64.68], [-106.53, 65.03], [-106.0, 65.25], [-105.47, 65.03], [-105.32, 64.68], [-104.97, 64.53], [-104.82, 64.18], [-104.75, 64.15], [-104.5, 64.25], [-103.97, 64.03], [-103.82, 63.68], [-103.75, 63.65], [-103.5, 63.75], [-102.97, 63.53], [-102.75, 63.0], [-102.85, 62.75], [-102.75, 62.5], [-102.85, 62.25], [-102.75, 62.0], [-102.85, 61.75], [-102.75, 61.5], [-102.97, 60.97], [-103.5, 60.75], [-103.75, 60.85], [-104.0, 60.75], [-104.25, 60.85], [-104.32, 60.82], [-104.47, 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"value": [-4.142833703446115, -5.360473652947178, -6.457115408768175]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-0.6161617263917947, -1.5861653243754859, -3.803579975509763]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [10.326805353385144, 9.68348852555703, 9.17869802444326]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [12.934737975753194, 11.04125516505087, 10.573066103907536]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6870055828212789, 1.5934591857758094, 1.5345757145047434]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1572331297326133, 1.7687494397785946, 1.7695784389550338]}}