{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:36.058613", "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": "2014-Jan-10_to_2014-Jan-13_14.0_-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": 2014010001826}, "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": "January 10 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 13 2014"}, "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": 83507.04839532256}, "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": ["Angola"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Southern-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": -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": 14.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "14.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 16.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.47, -16.03], [13.25, -15.5], [13.47, -14.97], [14.0, -14.75], [14.53, -14.97], [14.75, -15.5], [14.53, -16.03], [14.0, -16.25], [13.47, -16.03]]], [[[14.97, -14.47], [15.38, -14.3], [15.25, -14.0], [15.47, -13.47], [16.0, -13.25], [16.53, -13.47], [16.75, -14.0], [16.53, -14.53], [16.13, -14.7], [16.18, -14.82], [16.53, -14.97], [16.75, -15.5], [16.53, -16.03], [16.0, -16.25], [15.47, -16.03], [15.32, -15.68], [14.97, -15.53], [14.75, -15.0], [14.97, -14.47]]]]}, "2014-01-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, -14.97], [13.32, -14.82], [13.47, -14.47], [13.88, -14.3], [13.75, -14.0], [13.97, -13.47], [14.5, -13.25], [14.8, -13.37], [14.97, -12.97], [15.5, -12.75], [15.75, -12.85], [16.0, -12.75], [16.53, -12.97], [16.75, -13.5], [16.65, -13.75], [16.75, -14.0], [16.65, -14.25], [16.75, -14.5], [16.65, -14.75], [16.75, -15.0], [16.65, -15.25], [16.75, -15.5], [16.65, -15.75], [16.75, -16.0], [16.65, -16.25], [16.75, -16.5], [16.53, -17.03], [16.0, -17.25], [15.75, -17.15], [15.5, -17.25], [14.97, -17.03], [14.82, -16.68], [14.75, -16.65], [14.68, -16.68], [14.53, -17.03], [14.0, -17.25], [13.47, -17.03], [13.32, -16.68], [12.97, -16.53], [12.75, -16.0], [12.85, -15.75], [12.75, -15.5], [12.97, -14.97]]]]}, "2014-01-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, -14.97], [13.32, -14.82], [13.47, -14.47], [13.88, -14.3], [13.75, -14.0], [13.97, -13.47], [14.5, -13.25], [14.8, -13.37], [14.97, -12.97], [15.5, -12.75], [15.75, -12.85], [16.0, -12.75], [16.53, -12.97], [16.75, -13.5], [16.65, -13.75], [16.75, -14.0], [16.65, -14.25], [16.75, -14.5], [16.65, -14.75], [16.75, -15.0], [16.65, -15.25], [16.75, -15.5], [16.65, -15.75], [16.75, -16.0], [16.65, -16.25], [16.75, -16.5], [16.53, -17.03], [16.0, -17.25], [15.75, -17.15], [15.5, -17.25], [14.97, -17.03], [14.82, -16.68], [14.75, -16.65], [14.68, -16.68], [14.53, -17.03], [14.0, -17.25], [13.47, -17.03], [13.32, -16.68], [12.97, -16.53], [12.75, -16.0], [12.85, -15.75], [12.75, -15.5], [12.97, -14.97]]]]}, "2014-01-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.97, -14.97], [13.32, -14.82], [13.47, -14.47], [13.88, -14.3], [13.75, -14.0], [13.97, -13.47], [14.5, -13.25], [14.8, -13.37], [14.97, -12.97], [15.5, -12.75], [15.75, -12.85], [16.0, -12.75], [16.53, -12.97], [16.75, -13.5], [16.65, -13.75], [16.75, -14.0], [16.65, -14.25], [16.75, -14.5], [16.65, -14.75], [16.75, -15.0], [16.65, -15.25], [16.75, -15.5], [16.65, -15.75], [16.75, -16.0], [16.65, -16.25], [16.75, -16.5], [16.53, -17.03], [16.0, -17.25], [15.75, -17.15], [15.5, -17.25], [14.97, -17.03], [14.82, -16.68], [14.75, -16.65], [14.68, -16.68], [14.53, -17.03], [14.0, -17.25], [13.47, -17.03], [13.32, -16.68], [12.97, -16.53], [12.75, -16.0], [12.85, -15.75], [12.75, -15.5], [12.97, -14.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.6028222345275935}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.5064996771011683}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.27658060111048, 25.35054349509619, 26.071871031159105, 25.81138872795475]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.612043352633464, 29.098576644699108, 29.637372167552144, 30.07206072533512]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.567610829376335, 3.1634960488125534, 3.875683016293828, 3.6144469444435288]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.547155001603926, 4.877709420436759, 5.6028222345275935, 5.287500651191067]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4434344532973085, 1.7079135112458086, 2.201945176471809, 2.1714049223774015]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6338813849860825, 2.270071554745732, 2.6704147748570497, 2.9728939044240743]}}