{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:25:29.888244", "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": "2021-Jun-12_to_2021-Jun-15_270.5_33.5"}, "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": 2021060002238}, "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": "June 12 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 15 2021"}, "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": 50926.055162692646}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 33.5}, "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": 270.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "270.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 268.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 271.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 33.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-89.5, 32.75], [-89.75, 32.854], [-89.751, 32.854], [-90.0, 32.75], [-90.249, 32.854], [-90.25, 32.854], [-90.5, 32.75], [-90.75, 32.854], [-91.0, 32.75], [-91.53, 32.97], [-91.677, 33.323], [-92.03, 33.47], [-92.25, 34.0], [-92.03, 34.53], [-91.677, 34.677], [-91.53, 35.03], [-91.0, 35.25], [-90.75, 35.146], [-90.5, 35.25], [-90.25, 35.146], [-90.125, 35.198], [-90.25, 35.5], [-90.03, 36.03], [-89.677, 36.177], [-89.646, 36.25], [-89.75, 36.5], [-89.646, 36.75], [-89.75, 37.0], [-89.53, 37.53], [-89.0, 37.75], [-88.47, 37.53], [-88.25, 37.0], [-88.354, 36.75], [-88.25, 36.5], [-88.354, 36.25], [-88.25, 36.0], [-88.457, 35.5], [-88.323, 35.177], [-87.97, 35.03], [-87.75, 34.5], [-87.97, 33.97], [-88.323, 33.823], [-88.47, 33.47], [-88.823, 33.323], [-88.97, 32.97], [-89.5, 32.75]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.North-America", "E.North-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-06-12T11:30:00.000000000": {"type": 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mean t2m.", "value": [28.862355199012086, 29.16430874305007, 28.696900496239095, 28.79146074567899]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.7802239829698, 29.70171439635203, 29.288576529032525, 28.851500770697328]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.0338360164822538, 3.2340664286205056, 2.6785033837456638, 2.4969283171823804]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.246219537992033, 3.822667546242542, 2.9376386911199006, 2.7270467507329386]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3892253716387615, 1.5495159605326212, 1.3095885507244205, 1.3216169633821495]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7064886287759982, 1.7627862612030336, 1.4507677598511914, 1.4515047580047122]}}