{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:32.266330", "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": "2017-Nov-15_to_2017-Nov-18_262.5_32.0"}, "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": 2017110002066}, "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 15 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 18 2017"}, "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": 209047.15837346722}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.North-America", "N.Central-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": ["Gulf of Mexico"]}, "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": 32.0}, "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": 262.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "262.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 260.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 265.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-97.53, 26.47], [-97.75, 27.0], [-97.53, 27.53], [-97.0, 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29.5], [-100.15, 29.75]]]]}, "2017-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-100.15, 29.75], [-100.25, 30.0], [-100.15, 30.25], [-100.25, 30.5], [-100.03, 31.03], [-99.5, 31.25], [-99.25, 31.15], [-99.18, 31.18], [-99.15, 31.25], [-99.25, 31.5], [-99.15, 31.75], [-99.25, 32.0], [-99.03, 32.53], [-98.5, 32.75], [-98.25, 32.65], [-98.0, 32.75], [-97.75, 32.65], [-97.68, 32.68], [-97.53, 33.03], [-97.0, 33.25], [-96.75, 33.15], [-96.5, 33.25], [-96.25, 33.15], [-96.0, 33.25], [-95.75, 33.15], [-95.5, 33.25], [-95.25, 33.15], [-95.0, 33.25], [-94.47, 33.03], [-94.32, 32.68], [-93.97, 32.53], [-93.75, 32.0], [-93.97, 31.47], [-94.5, 31.25], [-94.75, 31.35], [-95.0, 31.25], [-95.25, 31.35], [-95.37, 31.3], [-95.32, 31.18], [-94.97, 31.03], [-94.75, 30.5], [-94.85, 30.25], [-94.75, 30.0], [-94.96, 29.5], [-94.75, 29.0], [-94.97, 28.47], [-95.37, 28.3], [-95.25, 28.0], [-95.47, 27.47], [-96.0, 27.25], [-96.25, 27.35], [-96.32, 27.32], [-96.35, 27.25], [-96.25, 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mean t2m.", "value": [21.087626863714263, 22.34486855178045, 23.339879930381812, 23.281363868750475]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.61967003113881, 25.093190135108614, 25.235668661931072, 25.582440076437535]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.718448977129231, 6.3279029482663836, 7.381631897957178, 7.279799432769498]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.618298232649465, 7.161256254939474, 9.36151496789995, 9.217966506429718]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3133228402283161, 1.3071488082842715, 1.6007545497417646, 1.6377398005956851]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4272545142408584, 1.4811962570334454, 1.9443340814443935, 1.956069854481498]}}