{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:44.299585", "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": "2025-Aug-16_to_2025-Aug-18_35.5_13.5"}, "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": 2025080002007}, "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": "August 16 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 2025"}, "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": 60028.2446064547}, "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": ["Ethiopia", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa"]}, "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": 13.5}, "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": 35.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "35.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 33.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 36.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.35, 13.75], [33.25, 14.0], [33.35, 14.25], [33.25, 14.5], [33.47, 15.03], [34.0, 15.25], [34.25, 15.15], [34.5, 15.25], [34.75, 15.15], [35.0, 15.25], [35.25, 15.15], [35.5, 15.25], [35.75, 15.15], [36.0, 15.25], [36.53, 15.03], [36.68, 14.68], [37.03, 14.53], [37.25, 14.0], [37.15, 13.75], [37.25, 13.5], [37.03, 12.97], [36.5, 12.75], [36.25, 12.85], [36.18, 12.82], [36.03, 12.47], [35.5, 12.25], [35.25, 12.35], [35.0, 12.25], [34.5, 12.46], [34.0, 12.25], [33.47, 12.47], [33.25, 13.0], [33.35, 13.25], [33.25, 13.5], [33.35, 13.75]]]]}, "2025-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.35, 13.75], [33.25, 14.0], [33.35, 14.25], [33.25, 14.5], [33.47, 15.03], [34.0, 15.25], [34.25, 15.15], [34.5, 15.25], [34.75, 15.15], [35.0, 15.25], [35.25, 15.15], [35.5, 15.25], [35.75, 15.15], [36.0, 15.25], [36.53, 15.03], [36.68, 14.68], [37.03, 14.53], [37.25, 14.0], [37.15, 13.75], [37.25, 13.5], [37.03, 12.97], [36.5, 12.75], [36.25, 12.85], [36.18, 12.82], [36.03, 12.47], [35.5, 12.25], [35.25, 12.35], [35.0, 12.25], [34.5, 12.46], [34.0, 12.25], [33.47, 12.47], [33.25, 13.0], [33.35, 13.25], [33.25, 13.5], [33.35, 13.75]]]]}, "2025-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.35, 13.75], [33.25, 14.0], [33.35, 14.25], [33.25, 14.5], [33.47, 15.03], [34.0, 15.25], [34.25, 15.15], [34.5, 15.25], [34.75, 15.15], [35.0, 15.25], [35.25, 15.15], [35.5, 15.25], [35.75, 15.15], [36.0, 15.25], [36.53, 15.03], [36.68, 14.68], [37.03, 14.53], [37.25, 14.0], [37.15, 13.75], [37.25, 13.5], [37.03, 12.97], [36.5, 12.75], [36.25, 12.85], [36.18, 12.82], [36.03, 12.47], [35.5, 12.25], [35.25, 12.35], [35.0, 12.25], [34.5, 12.46], [34.0, 12.25], [33.47, 12.47], [33.25, 13.0], [33.35, 13.25], [33.25, 13.5], [33.35, 13.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.247290902909242}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8885689029244124}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.597284189860034, 28.718840535481775, 28.72199045817058]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.861704762776696, 30.940092976888025, 30.820781962076865]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.842574537138009, 1.927631407661616, 1.8955007639736123]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2146810914842376, 2.247290902909242, 2.24373883022065]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4179847499193439, 1.4817559010678485, 1.4790276123221644]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.607380951454667, 1.7716869823943924, 1.8188138770205]}}