{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:53:30.308834", "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-Oct-16_to_2024-Oct-19_23.5_15.5"}, "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": 2024100001684}, "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": "October 16 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 19 2024"}, "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": 53455.72539256532}, "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": ["Chad", "Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "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": 15.5}, "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": 23.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "23.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 21.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 24.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.97, 17.03], [22.38, 17.2], [22.25, 17.5], [22.47, 18.03], [23.0, 18.25], [23.25, 18.15], [23.5, 18.25], [24.03, 18.03], [24.18, 17.68], [24.53, 17.53], [24.75, 17.0], [24.65, 16.75], [24.75, 16.5], [24.53, 15.97], [24.18, 15.82], [24.15, 15.75], [24.18, 15.68], [24.53, 15.53], [24.75, 15.0], [24.53, 14.47], [24.0, 14.25], [23.75, 14.35], [23.5, 14.25], [22.97, 14.47], [22.75, 15.0], [22.85, 15.25], [22.82, 15.32], [22.75, 15.35], [22.5, 15.25], [21.97, 15.47], [21.75, 16.0], [21.85, 16.25], [21.75, 16.5], [21.97, 17.03]]]]}, "2024-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.35, 15.25], [21.25, 15.5], [21.35, 15.75], [21.25, 16.0], [21.47, 16.53], [21.82, 16.68], [21.97, 17.03], [22.38, 17.2], [22.25, 17.5], [22.47, 18.03], [23.0, 18.25], [23.25, 18.15], [23.5, 18.25], [24.03, 18.03], [24.18, 17.68], [24.53, 17.53], [24.75, 17.0], [24.65, 16.75], [24.75, 16.5], [24.53, 15.97], [24.18, 15.82], [24.15, 15.75], [24.18, 15.68], [24.53, 15.53], [24.75, 15.0], [24.53, 14.47], [24.0, 14.25], [23.75, 14.35], [23.5, 14.25], [22.97, 14.47], [22.75, 15.0], [22.65, 14.75], [22.75, 14.5], [22.53, 13.97], [22.0, 13.75], [21.47, 13.97], [21.25, 14.5], [21.35, 14.75], [21.25, 15.0], [21.35, 15.25]], [[22.85, 15.25], [22.82, 15.32], [22.75, 15.35], [22.68, 15.32], [22.65, 15.25], [22.75, 15.0], [22.85, 15.25]]]]}, "2024-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.35, 15.25], [21.25, 15.5], [21.35, 15.75], [21.25, 16.0], [21.47, 16.53], [21.82, 16.68], [21.97, 17.03], [22.38, 17.2], [22.25, 17.5], [22.47, 18.03], [23.0, 18.25], [23.25, 18.15], [23.5, 18.25], [24.03, 18.03], [24.18, 17.68], [24.53, 17.53], [24.75, 17.0], [24.65, 16.75], [24.75, 16.5], [24.53, 15.97], [24.18, 15.82], [24.15, 15.75], [24.18, 15.68], [24.53, 15.53], [24.75, 15.0], [24.53, 14.47], [24.0, 14.25], [23.75, 14.35], [23.5, 14.25], [22.97, 14.47], [22.75, 15.0], [22.65, 14.75], [22.75, 14.5], [22.53, 13.97], [22.0, 13.75], [21.47, 13.97], [21.25, 14.5], [21.35, 14.75], [21.25, 15.0], [21.35, 15.25]], [[22.85, 15.25], [22.82, 15.32], [22.75, 15.35], [22.68, 15.32], [22.65, 15.25], [22.75, 15.0], [22.85, 15.25]]]]}, "2024-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[21.25, 15.5], [21.35, 15.75], [21.25, 16.0], [21.47, 16.53], [22.0, 16.75], [22.53, 16.53], [22.75, 16.0], [22.65, 15.75], [22.75, 15.5], [22.65, 15.25], [22.75, 15.0], [22.65, 14.75], [22.75, 14.5], [22.53, 13.97], [22.0, 13.75], [21.47, 13.97], [21.25, 14.5], [21.35, 14.75], [21.25, 15.0], [21.35, 15.25], [21.25, 15.5]]], [[[22.97, 16.03], [23.5, 16.25], [24.03, 16.03], [24.18, 15.68], [24.53, 15.53], [24.75, 15.0], [24.53, 14.47], [24.0, 14.25], [23.75, 14.35], [23.5, 14.25], [22.97, 14.47], [22.75, 15.0], [22.85, 15.25], [22.75, 15.5], [22.97, 16.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.8487307982131256}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.027900309471274}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.44529695056741, 29.279815504286034, 28.938910562020737, 29.139147513253363]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.209939575195335, 32.52174530029299, 32.23699722290041, 31.141275024414085]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.8181189417643475, 3.3360523409482017, 3.138349100582436, 2.3710609296586136]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2416408373280206, 3.8487307982131256, 3.5175621869649945, 2.6684909502965297]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4009722183334092, 1.717068700478792, 1.6098574506524852, 1.3713619025097168]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5807382281404345, 2.0740578475507716, 1.9504125396008867, 1.5192613539948345]}}