{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:30.573094", "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": "2010-Apr-07_to_2010-Apr-13_358.0_12.0"}, "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": 2010040001343}, "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": "April 07 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 13 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 69587.87194352261}, "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": ["Burkina Faso", "Ghana"]}, "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": []}, "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": 12.0}, "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": 358.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "358.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 355.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 359.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.53, 12.53], [-4.18, 12.68], [-4.03, 13.03], [-3.5, 13.25], [-3.25, 13.15], [-3.0, 13.25], [-2.75, 13.15], [-2.5, 13.25], [-2.25, 13.15], [-2.0, 13.25], [-1.75, 13.15], [-1.5, 13.25], [-0.97, 13.03], [-0.75, 12.5], [-0.85, 12.25], [-0.75, 12.0], [-0.97, 11.47], [-1.5, 11.25], [-1.75, 11.35], [-2.0, 11.25], [-2.25, 11.35], [-2.32, 11.32], [-2.47, 10.97], [-3.0, 10.75], [-3.5, 10.96], [-4.0, 10.75], [-4.53, 10.97], [-4.75, 11.5], [-4.65, 11.75], [-4.75, 12.0], [-4.53, 12.53]]]]}, "2010-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.53, 12.53], [-4.18, 12.68], [-4.03, 13.03], [-3.5, 13.25], [-3.25, 13.15], [-3.0, 13.25], [-2.75, 13.15], [-2.5, 13.25], [-2.25, 13.15], [-2.0, 13.25], [-1.75, 13.15], [-1.5, 13.25], [-0.97, 13.03], [-0.75, 12.5], [-0.85, 12.25], [-0.82, 12.18], [-0.47, 12.03], [-0.25, 11.5], [-0.46, 11.0], [-0.25, 10.5], [-0.47, 9.97], [-1.0, 9.75], [-1.53, 9.97], [-1.68, 10.32], [-1.75, 10.35], [-2.0, 10.25], [-2.25, 10.35], [-2.5, 10.25], [-3.03, 10.47], [-3.18, 10.82], [-3.5, 10.96], [-4.0, 10.75], [-4.53, 10.97], [-4.75, 11.5], [-4.65, 11.75], [-4.75, 12.0], [-4.53, 12.53]]]]}, "2010-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.53, 12.53], [-4.18, 12.68], [-4.03, 13.03], [-3.5, 13.25], [-3.25, 13.15], [-3.0, 13.25], [-2.75, 13.15], [-2.5, 13.25], [-2.25, 13.15], [-2.0, 13.25], [-1.75, 13.15], [-1.5, 13.25], [-0.97, 13.03], [-0.75, 12.5], [-0.85, 12.25], [-0.82, 12.18], [-0.47, 12.03], [-0.25, 11.5], [-0.46, 11.0], [-0.25, 10.5], [-0.47, 9.97], [-1.0, 9.75], [-1.53, 9.97], [-1.68, 10.32], [-1.75, 10.35], [-2.0, 10.25], [-2.25, 10.35], [-2.5, 10.25], [-3.03, 10.47], [-3.18, 10.82], [-3.5, 10.96], [-4.0, 10.75], [-4.53, 10.97], [-4.75, 11.5], [-4.65, 11.75], [-4.75, 12.0], [-4.53, 12.53]]]]}, "2010-04-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.75, 11.5], [-3.53, 12.03], [-3.18, 12.18], [-3.03, 12.53], [-2.5, 12.75], [-2.25, 12.65], [-2.0, 12.75], [-1.47, 12.53], [-1.32, 12.18], [-1.25, 12.15], [-1.0, 12.25], [-0.47, 12.03], [-0.25, 11.5], [-0.46, 11.0], [-0.25, 10.5], [-0.47, 9.97], [-1.0, 9.75], [-1.53, 9.97], [-1.68, 10.32], [-1.75, 10.35], [-2.0, 10.25], [-2.25, 10.35], [-2.5, 10.25], [-3.03, 10.47], [-3.18, 10.82], [-3.53, 10.97], [-3.75, 11.5]]]]}, "2010-04-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-2.53, 12.53], [-2.18, 12.68], [-2.03, 13.03], [-1.5, 13.25], [-1.25, 13.15], [-1.0, 13.25], [-0.47, 13.03], [-0.25, 12.5], [-0.35, 12.25], [-0.25, 12.0], [-0.35, 11.75], [-0.25, 11.5], [-0.46, 11.0], [-0.25, 10.5], [-0.47, 9.97], [-1.0, 9.75], [-1.53, 9.97], [-1.75, 10.5], [-1.62, 10.8], [-1.75, 10.85], [-2.0, 10.75], [-2.53, 10.97], [-2.75, 11.5], [-2.65, 11.75], [-2.75, 12.0], [-2.53, 12.53]]]]}, "2010-04-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-2.53, 12.53], [-2.18, 12.68], [-2.03, 13.03], [-1.5, 13.25], [-1.25, 13.15], [-1.0, 13.25], [-0.47, 13.03], [-0.25, 12.5], [-0.35, 12.25], [-0.25, 12.0], [-0.35, 11.75], [-0.25, 11.5], [-0.46, 11.0], [-0.25, 10.5], [-0.47, 9.97], [-1.0, 9.75], [-1.53, 9.97], [-1.75, 10.5], [-1.62, 10.8], [-1.75, 10.85], [-2.0, 10.75], [-2.53, 10.97], [-2.75, 11.5], [-2.65, 11.75], [-2.75, 12.0], [-2.53, 12.53]]]]}, "2010-04-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-1.5, 13.25], [-1.25, 13.15], [-1.0, 13.25], [-0.47, 13.03], [-0.25, 12.5], [-0.35, 12.25], [-0.25, 12.0], [-0.35, 11.75], [-0.25, 11.5], [-0.47, 10.97], [-1.0, 10.75], [-1.53, 10.97], [-1.68, 11.32], [-1.75, 11.35], [-2.0, 11.25], [-2.53, 11.47], [-2.75, 12.0], [-2.53, 12.53], [-2.18, 12.68], [-2.03, 13.03], [-1.5, 13.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.466791654013605}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.380084702390347}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.93637542930799, 35.24668857300247, 35.3592036665122, 34.739742337761584, 34.959635652727684, 36.228877414872784, 35.38453440771923]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.578923417726855, 35.89051408419459, 35.89453919158825, 35.142949040430096, 35.40308147119953, 36.66294008539006, 35.998087052379844]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0615831617770763, 2.4693090871887247, 2.5731613511983342, 2.0064427604853203, 1.9387753706903494, 3.181375867340301, 2.2271552330477675]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.242403063282609, 3.0509166029219728, 3.1308115321692185, 2.2333065935740137, 2.3392010294312513, 3.466791654013605, 2.543705252018526]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.363155464943896, 1.6710697328441089, 1.7690700173153204, 1.341010087608162, 1.36129196203884, 2.1953258847755768, 1.491567824221761]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5056540352092662, 2.178027848579482, 2.239004882423322, 1.6711789515638116, 1.5564555564142557, 2.548104925580754, 1.7564528673720567]}}