{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:25.082478", "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": "2024-Mar-15_to_2024-Mar-17_28.0_19.0"}, "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": 2024030001341}, "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": "March 15 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 17 2024"}, "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": 66430.58298497624}, "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": ["Egypt", "Sudan"]}, "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": []}, "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": 19.0}, "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": 28.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "28.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 27.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.97, 20.53], [27.32, 20.68], [27.35, 20.75], [27.32, 20.82], [26.97, 20.97], [26.75, 21.5], [26.97, 22.03], [27.38, 22.2], [27.25, 22.5], [27.47, 23.03], [28.0, 23.25], [28.5, 23.04], [29.0, 23.25], [29.53, 23.03], [29.75, 22.5], [29.65, 22.25], [29.68, 22.18], [30.03, 22.03], [30.25, 21.5], [30.15, 21.25], [30.25, 21.0], [30.03, 20.47], [29.68, 20.32], [29.53, 19.97], [29.18, 19.82], [29.15, 19.75], [29.25, 19.5], [29.03, 18.97], [28.68, 18.82], [28.53, 18.47], [28.0, 18.25], [27.47, 18.47], [27.32, 18.82], [26.97, 18.97], [26.75, 19.5], [26.85, 19.75], [26.75, 20.0], [26.97, 20.53]]]]}, "2024-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.97, 20.53], [27.32, 20.68], [27.35, 20.75], [27.32, 20.82], [26.97, 20.97], [26.75, 21.5], [26.97, 22.03], [27.38, 22.2], [27.25, 22.5], [27.47, 23.03], [28.0, 23.25], [28.5, 23.04], [29.0, 23.25], [29.53, 23.03], [29.75, 22.5], [29.65, 22.25], [29.68, 22.18], [30.03, 22.03], [30.25, 21.5], [30.15, 21.25], [30.25, 21.0], [30.03, 20.47], [29.68, 20.32], [29.53, 19.97], [29.18, 19.82], [29.15, 19.75], [29.25, 19.5], [29.03, 18.97], [28.68, 18.82], [28.53, 18.47], [28.0, 18.25], [27.47, 18.47], [27.32, 18.82], [26.97, 18.97], [26.75, 19.5], [26.85, 19.75], [26.75, 20.0], [26.97, 20.53]]]]}, "2024-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.97, 20.53], [27.32, 20.68], [27.35, 20.75], [27.32, 20.82], [26.97, 20.97], [26.75, 21.5], [26.97, 22.03], [27.38, 22.2], [27.25, 22.5], [27.47, 23.03], [28.0, 23.25], [28.5, 23.04], [29.0, 23.25], [29.53, 23.03], [29.75, 22.5], [29.65, 22.25], [29.68, 22.18], [30.03, 22.03], [30.25, 21.5], [30.15, 21.25], [30.25, 21.0], [30.03, 20.47], [29.68, 20.32], [29.53, 19.97], [29.18, 19.82], [29.15, 19.75], [29.25, 19.5], [29.03, 18.97], [28.68, 18.82], [28.53, 18.47], [28.0, 18.25], [27.47, 18.47], [27.32, 18.82], [26.97, 18.97], [26.75, 19.5], [26.85, 19.75], [26.75, 20.0], [26.97, 20.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.6342898122046}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.571190799752974}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.909369289383562, 27.46551263458406, 27.831470725617294]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.591741280367103, 30.201457239723595, 32.127723057271226]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.416483874178645, 6.960076660807656, 7.337011864272619]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.7846663069283295, 8.692525373587557, 10.6342898122046]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.516174542157585, 2.0105120697523198, 2.1569737204766617]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.593552058499062, 2.5228461589017486, 3.171669648519534]}}