{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:08.568732", "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": "2016-Aug-15_to_2016-Aug-18_12.0_7.0"}, "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": 2016080002123}, "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 15 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 2016"}, "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": 55293.6191989668}, "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": ["Cameroon", "Nigeria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "Western-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": 7.0}, "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": 12.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "12.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 10.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 14.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 4.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.47, 7.03], [10.82, 7.18], [10.97, 7.53], [11.5, 7.75], [11.75, 7.65], [12.0, 7.75], [12.25, 7.65], [12.5, 7.75], [12.75, 7.65], [13.0, 7.75], [13.25, 7.65], [13.5, 7.75], [13.75, 7.65], [14.0, 7.75], [14.53, 7.53], [14.75, 7.0], [14.53, 6.47], [14.18, 6.32], [14.03, 5.97], [13.5, 5.75], [13.0, 5.96], [12.5, 5.75], [12.25, 5.85], [12.0, 5.75], [11.75, 5.85], [11.68, 5.82], [11.53, 5.47], [11.0, 5.25], [10.47, 5.47], [10.25, 6.0], [10.35, 6.25], [10.25, 6.5], [10.47, 7.03]]]]}, "2016-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.85, 6.25], [9.75, 6.5], [9.97, 7.03], [10.5, 7.25], [10.75, 7.15], [10.82, 7.18], [10.97, 7.53], [11.5, 7.75], [11.75, 7.65], [12.0, 7.75], [12.25, 7.65], [12.5, 7.75], [12.75, 7.65], [13.0, 7.75], [13.25, 7.65], [13.5, 7.75], [13.75, 7.65], [14.0, 7.75], [14.53, 7.53], [14.75, 7.0], [14.53, 6.47], [14.18, 6.32], [14.03, 5.97], [13.5, 5.75], [13.0, 5.96], [12.5, 5.75], [12.25, 5.85], [12.13, 5.8], [12.25, 5.5], [12.03, 4.97], [11.68, 4.82], [11.53, 4.47], [11.0, 4.25], [10.47, 4.47], [10.32, 4.82], [9.97, 4.97], [9.75, 5.5], [9.85, 5.75], [9.75, 6.0], [9.85, 6.25]]]]}, "2016-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.85, 6.25], [9.75, 6.5], [9.97, 7.03], [10.5, 7.25], [10.75, 7.15], [10.82, 7.18], [10.97, 7.53], [11.5, 7.75], [11.75, 7.65], [12.0, 7.75], [12.25, 7.65], [12.5, 7.75], [12.75, 7.65], [13.0, 7.75], [13.25, 7.65], [13.5, 7.75], [13.75, 7.65], [14.0, 7.75], [14.53, 7.53], [14.75, 7.0], [14.53, 6.47], [14.18, 6.32], [14.03, 5.97], [13.5, 5.75], [13.0, 5.96], [12.5, 5.75], [12.25, 5.85], [12.13, 5.8], [12.25, 5.5], [12.03, 4.97], [11.68, 4.82], [11.53, 4.47], [11.0, 4.25], [10.47, 4.47], [10.32, 4.82], [9.97, 4.97], [9.75, 5.5], [9.85, 5.75], [9.75, 6.0], [9.85, 6.25]]]]}, "2016-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.85, 6.25], [9.75, 6.5], [9.97, 7.03], [10.5, 7.25], [10.75, 7.15], [11.0, 7.25], [11.25, 7.15], [11.32, 7.18], [11.47, 7.53], [12.0, 7.75], [12.53, 7.53], [12.75, 7.0], [12.65, 6.75], [12.75, 6.5], [12.53, 5.97], [12.13, 5.8], [12.25, 5.5], [12.03, 4.97], [11.68, 4.82], [11.53, 4.47], [11.0, 4.25], [10.47, 4.47], [10.32, 4.82], [9.97, 4.97], [9.75, 5.5], [9.85, 5.75], [9.75, 6.0], [9.85, 6.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6455255007280698}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.214214921664417}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.003813852202427, 21.94755366195477, 22.08698662125778, 21.833875519923083]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.244080202790713, 23.91146216205152, 23.82773810696483, 23.974054329913884]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.157423002959689, 1.1704379273439132, 1.3147620267517053, 1.1832731971784731]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4375067256617626, 1.5298179495704858, 1.6455255007280698, 1.452677994405576]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4308560947692024, 1.467103160296836, 1.650805797549521, 1.5686583617266856]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7476457560468122, 1.8444518833565313, 2.159587191843121, 1.8640949208129245]}}