{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:46.814648", "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-Oct-07_to_2020-Oct-12_30.5_16.0"}, "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": 2020100001388}, "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 07 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 12 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 59698.11963876255}, "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": ["Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-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": 16.0}, "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": 30.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "30.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 28.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 32.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.97, 15.47], [29.75, 16.0], [29.97, 16.53], [30.5, 16.75], [31.03, 16.53], [31.2, 16.13], [31.5, 16.25], [32.03, 16.03], [32.25, 15.5], [32.03, 14.97], [31.5, 14.75], [30.97, 14.97], [30.8, 15.38], [30.5, 15.25], [29.97, 15.47]]]]}, "2020-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.75, 15.0], [28.97, 15.53], [29.32, 15.68], [29.47, 16.03], [29.82, 16.18], [29.97, 16.53], [30.5, 16.75], [30.75, 16.65], [31.0, 16.75], [31.53, 16.53], [31.68, 16.18], [32.03, 16.03], [32.18, 15.68], [32.53, 15.53], [32.75, 15.0], [32.53, 14.47], [32.18, 14.32], [32.03, 13.97], [31.5, 13.75], [31.25, 13.85], [31.18, 13.82], [31.03, 13.47], [30.5, 13.25], [30.25, 13.35], [30.0, 13.25], [29.47, 13.47], [29.25, 14.0], [29.35, 14.25], [29.32, 14.32], [28.97, 14.47], [28.75, 15.0]]]]}, "2020-10-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.97, 16.03], [29.5, 16.25], [29.75, 16.15], [29.82, 16.18], [29.97, 16.53], [30.5, 16.75], [30.75, 16.65], [31.0, 16.75], [31.53, 16.53], [31.68, 16.18], [32.03, 16.03], [32.18, 15.68], [32.53, 15.53], [32.75, 15.0], [32.53, 14.47], [32.18, 14.32], [32.03, 13.97], [31.5, 13.75], [31.25, 13.85], [31.18, 13.82], [31.03, 13.47], [30.5, 13.25], [30.25, 13.35], [30.0, 13.25], [29.47, 13.47], [29.25, 14.0], [29.35, 14.25], [29.32, 14.32], [28.97, 14.47], [28.75, 15.0], [28.85, 15.25], [28.75, 15.5], [28.97, 16.03]]]]}, "2020-10-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.25, 15.5], [28.47, 16.03], [29.0, 16.25], [29.25, 16.15], [29.5, 16.25], [29.75, 16.15], [29.82, 16.18], [29.97, 16.53], [30.5, 16.75], [30.75, 16.65], [31.0, 16.75], [31.53, 16.53], [31.75, 16.0], [31.65, 15.75], [31.68, 15.68], [31.75, 15.65], [32.0, 15.75], [32.53, 15.53], [32.75, 15.0], [32.53, 14.47], [32.18, 14.32], [32.03, 13.97], [31.5, 13.75], [31.25, 13.85], [31.18, 13.82], [31.03, 13.47], [30.5, 13.25], [30.25, 13.35], [30.0, 13.25], [29.47, 13.47], [29.25, 14.0], [29.35, 14.25], [29.32, 14.32], [28.97, 14.47], [28.82, 14.82], [28.47, 14.97], [28.25, 15.5]]]]}, "2020-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.25, 15.5], [28.47, 16.03], [29.0, 16.25], [29.25, 16.15], [29.5, 16.25], [29.75, 16.15], [29.82, 16.18], [29.97, 16.53], [30.5, 16.75], [31.03, 16.53], [31.25, 16.0], [31.15, 15.75], [31.25, 15.5], [31.03, 14.97], [30.68, 14.82], [30.53, 14.47], [30.0, 14.25], [29.75, 14.35], [29.5, 14.25], [28.97, 14.47], [28.82, 14.82], [28.47, 14.97], [28.25, 15.5]]]]}, "2020-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.0, 16.25], [29.53, 16.03], [29.75, 15.5], [29.53, 14.97], [29.0, 14.75], [28.47, 14.97], [28.25, 15.5], [28.47, 16.03], [29.0, 16.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.286023541714485}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1474984921891345}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.28660219630336, 33.286574179743184, 33.22393652398614, 33.310618918543184, 32.946653829355, 32.32793154046857]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.09960274872657, 34.44238136001849, 34.088508190900086, 34.457222132176184, 33.18869632561285, 32.32793154046857]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7635094992341465, 1.97277755285345, 2.011931627016745, 2.2909769186513724, 2.601051415008856, 2.7352632618962502]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.8470955793306416, 2.247873153438263, 2.3944129647859995, 2.7939663986630308, 3.286023541714485, 2.7352632618962502]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2873883198708351, 1.4082607161345198, 1.3781105107563156, 1.4997786104096427, 1.52650013267421, 1.455650577448577]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.327253066369376, 1.646676736468772, 1.6738619926663425, 1.6268332436658104, 1.804092553654226, 1.455650577448577]}}