{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:43.277685", "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-Jun-25_to_2016-Jun-28_6.5_4.0"}, "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": 2016060002611}, "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": "June 25 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 28 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": 70899.50477072864}, "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": ["Nigeria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": ["Gulf of Guinea"]}, "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": 4.0}, "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": 6.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "6.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 4.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 7.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[4.47, 4.53], [4.82, 4.68], [4.85, 4.75], [4.75, 5.0], [4.97, 5.53], [5.5, 5.75], [5.75, 5.65], [6.0, 5.75], [6.25, 5.65], [6.5, 5.75], [6.75, 5.65], [7.0, 5.75], [7.53, 5.53], [7.68, 5.18], [8.03, 5.03], [8.25, 4.5], [8.15, 4.25], [8.25, 4.0], [8.03, 3.47], [7.68, 3.32], [7.53, 2.97], [7.0, 2.75], [6.75, 2.85], [6.5, 2.75], [6.25, 2.85], [6.0, 2.75], [5.75, 2.85], [5.5, 2.75], [5.25, 2.85], [5.0, 2.75], [4.47, 2.97], [4.25, 3.5], [4.35, 3.75], [4.25, 4.0], [4.47, 4.53]]]]}, "2016-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[3.97, 5.03], [4.5, 5.25], [4.75, 5.15], [4.82, 5.18], [4.97, 5.53], [5.5, 5.75], [5.75, 5.65], [6.0, 5.75], [6.25, 5.65], [6.5, 5.75], [6.75, 5.65], [7.0, 5.75], [7.53, 5.53], [7.68, 5.18], [8.03, 5.03], [8.25, 4.5], [8.15, 4.25], [8.25, 4.0], [8.03, 3.47], [7.68, 3.32], [7.53, 2.97], [7.0, 2.75], [6.75, 2.85], [6.5, 2.75], [6.25, 2.85], [6.0, 2.75], [5.75, 2.85], [5.5, 2.75], [5.25, 2.85], [5.0, 2.75], [4.47, 2.97], [4.32, 3.32], [3.97, 3.47], [3.75, 4.0], [3.85, 4.25], [3.75, 4.5], [3.97, 5.03]]]]}, "2016-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[3.97, 5.03], [4.5, 5.25], [4.75, 5.15], [4.82, 5.18], [4.97, 5.53], [5.5, 5.75], [5.75, 5.65], [6.0, 5.75], [6.25, 5.65], [6.5, 5.75], [6.75, 5.65], [7.0, 5.75], [7.53, 5.53], [7.68, 5.18], [8.03, 5.03], [8.25, 4.5], [8.15, 4.25], [8.25, 4.0], [8.03, 3.47], [7.68, 3.32], [7.53, 2.97], [7.0, 2.75], [6.75, 2.85], [6.5, 2.75], [6.25, 2.85], [6.0, 2.75], [5.75, 2.85], [5.5, 2.75], [5.25, 2.85], [5.0, 2.75], [4.47, 2.97], [4.32, 3.32], [3.97, 3.47], [3.75, 4.0], [3.85, 4.25], [3.75, 4.5], [3.97, 5.03]]]]}, "2016-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[3.97, 5.03], [4.5, 5.25], [4.75, 5.15], [4.82, 5.18], [4.97, 5.53], [5.5, 5.75], [5.75, 5.65], [6.0, 5.75], [6.25, 5.65], [6.5, 5.75], [6.75, 5.65], [7.0, 5.75], [7.53, 5.53], [7.68, 5.18], [8.03, 5.03], [8.25, 4.5], [8.15, 4.25], [8.25, 4.0], [8.03, 3.47], [7.5, 3.25], [7.25, 3.35], [7.0, 3.25], [6.75, 3.35], [6.5, 3.25], [6.25, 3.35], [6.0, 3.25], [5.75, 3.35], [5.5, 3.25], [5.25, 3.35], [5.0, 3.25], [4.75, 3.35], [4.5, 3.25], [3.97, 3.47], [3.75, 4.0], [3.85, 4.25], [3.75, 4.5], [3.97, 5.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5796860118672384}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9279745364716457}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.502549133423827, 26.554886491225886, 26.50944669031975, 26.509256646421704]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.66479446699242, 26.8353620159491, 26.828798489151495, 26.734468828381637]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8754463672174865, 0.9327739844730322, 0.9247548840803179, 0.9843205412523035]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.39117785707964, 1.2227811132757438, 1.1852250549643486, 1.5796860118672384]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7747477601068806, 2.0213578247073865, 2.030979089259596, 1.981374097530125]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.136576336752792, 2.693258630293856, 2.7674557952920518, 2.382797408497827]}}