{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:53.313514", "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": "2020-Jul-17_to_2020-Jul-20_344.5_28.0"}, "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": 2020070002469}, "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": "July 17 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 20 2020"}, "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": 60670.8579190488}, "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": ["Canarias"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": ["North Atlantic Ocean"]}, "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": 28.0}, "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": 344.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "344.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 342.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 346.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-17.25, 28.5], [-17.03, 29.03], [-16.5, 29.25], [-15.97, 29.03], [-15.82, 28.68], [-15.75, 28.65], [-15.5, 28.75], [-14.97, 28.53], [-14.75, 28.0], [-14.97, 27.47], [-15.5, 27.25], [-15.75, 27.35], [-16.0, 27.25], [-16.53, 27.47], [-16.68, 27.82], [-17.03, 27.97], [-17.25, 28.5]]]]}, "2020-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-17.75, 26.5], [-17.53, 27.03], [-17.18, 27.18], [-17.03, 27.53], [-16.68, 27.68], [-16.65, 27.75], [-16.68, 27.82], [-17.03, 27.97], [-17.25, 28.5], [-17.03, 29.03], [-16.5, 29.25], [-15.97, 29.03], [-15.82, 28.68], [-15.75, 28.65], [-15.5, 28.75], [-14.97, 28.53], [-14.8, 28.12], [-14.5, 28.25], [-14.25, 28.15], [-14.0, 28.25], [-13.47, 28.03], [-13.25, 27.5], [-13.47, 26.97], [-13.82, 26.82], [-13.97, 26.47], [-14.32, 26.32], [-14.47, 25.97], [-14.82, 25.82], [-14.97, 25.47], [-15.32, 25.32], [-15.35, 25.25], [-15.25, 25.0], [-15.47, 24.47], [-16.0, 24.25], [-16.53, 24.47], [-16.75, 25.0], [-16.65, 25.25], [-16.68, 25.32], [-17.03, 25.47], [-17.18, 25.82], [-17.53, 25.97], [-17.75, 26.5]]]]}, "2020-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-17.75, 26.5], [-17.53, 27.03], [-17.18, 27.18], [-17.03, 27.53], [-16.68, 27.68], [-16.65, 27.75], [-16.68, 27.82], [-17.03, 27.97], [-17.25, 28.5], [-17.03, 29.03], [-16.5, 29.25], [-15.97, 29.03], [-15.82, 28.68], [-15.75, 28.65], [-15.5, 28.75], [-14.97, 28.53], [-14.8, 28.12], [-14.5, 28.25], [-14.25, 28.15], [-14.0, 28.25], [-13.47, 28.03], [-13.25, 27.5], [-13.47, 26.97], [-13.82, 26.82], [-13.97, 26.47], [-14.32, 26.32], [-14.47, 25.97], [-14.82, 25.82], [-14.97, 25.47], [-15.32, 25.32], [-15.35, 25.25], [-15.25, 25.0], [-15.47, 24.47], [-16.0, 24.25], [-16.53, 24.47], [-16.75, 25.0], [-16.65, 25.25], [-16.68, 25.32], [-17.03, 25.47], [-17.18, 25.82], [-17.53, 25.97], [-17.75, 26.5]]]]}, "2020-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-17.75, 26.5], [-17.53, 27.03], [-17.18, 27.18], [-17.03, 27.53], [-16.68, 27.68], [-16.53, 28.03], [-16.0, 28.25], [-15.75, 28.15], [-15.5, 28.25], [-15.0, 28.04], [-14.5, 28.25], [-14.25, 28.15], [-14.0, 28.25], [-13.47, 28.03], [-13.25, 27.5], [-13.47, 26.97], [-13.82, 26.82], [-13.97, 26.47], [-14.32, 26.32], [-14.47, 25.97], [-14.82, 25.82], [-14.97, 25.47], [-15.32, 25.32], [-15.35, 25.25], [-15.25, 25.0], [-15.47, 24.47], [-16.0, 24.25], [-16.53, 24.47], [-16.75, 25.0], [-16.65, 25.25], [-16.68, 25.32], [-17.03, 25.47], [-17.18, 25.82], [-17.53, 25.97], [-17.75, 26.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.334989883369133}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.742144662790876}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.43671836448209, 22.869911545322623, 23.942582263110012, 23.135151723211777]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.257625194299237, 24.216480632302762, 25.56131064545599, 23.949592304628084]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9587325263567739, 1.3619361102132694, 2.3964021893106993, 1.390626714505273]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.843007452647271, 3.759217986206295, 4.334989883369133, 1.7722714715366124]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8786640966844683, 1.808229776039398, 3.2260202255394717, 1.9407939115204946]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1668012732185207, 2.834619706431129, 3.7712006839350014, 2.3825272948373737]}}