{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:12.577553", "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-Nov-16_to_2010-Nov-19_20.5_28.5"}, "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": 2010110001996}, "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": "November 16 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 19 2010"}, "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": 51699.61595465113}, "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": ["Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 28.5}, "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": 20.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "20.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 18.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 21.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.47, 28.53], [19.0, 28.75], [19.25, 28.65], [19.5, 28.75], [19.8, 28.63], [19.97, 29.03], [20.32, 29.18], [20.47, 29.53], [21.0, 29.75], [21.53, 29.53], [21.68, 29.18], [22.03, 29.03], [22.25, 28.5], [22.03, 27.97], [21.68, 27.82], [21.53, 27.47], [21.0, 27.25], [20.75, 27.35], [20.5, 27.25], [20.0, 27.46], [19.68, 27.32], [19.53, 26.97], [19.0, 26.75], [18.47, 26.97], [18.25, 27.5], [18.35, 27.75], [18.25, 28.0], [18.47, 28.53]]]]}, "2010-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.47, 28.53], [18.82, 28.68], [18.97, 29.03], [19.32, 29.18], [19.35, 29.25], [19.25, 29.5], [19.47, 30.03], [20.0, 30.25], [20.25, 30.15], [20.5, 30.25], [21.03, 30.03], [21.18, 29.68], [21.53, 29.53], [21.68, 29.18], [22.03, 29.03], [22.25, 28.5], [22.03, 27.97], [21.68, 27.82], [21.53, 27.47], [21.0, 27.25], [20.75, 27.35], [20.68, 27.32], [20.53, 26.97], [20.18, 26.82], [20.03, 26.47], [19.5, 26.25], [18.97, 26.47], [18.82, 26.82], [18.47, 26.97], [18.25, 27.5], [18.35, 27.75], [18.25, 28.0], [18.47, 28.53]]]]}, "2010-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.47, 28.53], [18.82, 28.68], [18.97, 29.03], [19.32, 29.18], [19.35, 29.25], [19.25, 29.5], [19.47, 30.03], [20.0, 30.25], [20.25, 30.15], [20.5, 30.25], [21.03, 30.03], [21.18, 29.68], [21.53, 29.53], [21.68, 29.18], [22.03, 29.03], [22.25, 28.5], [22.03, 27.97], [21.68, 27.82], [21.53, 27.47], [21.0, 27.25], [20.75, 27.35], [20.68, 27.32], [20.53, 26.97], [20.18, 26.82], [20.03, 26.47], [19.5, 26.25], [18.97, 26.47], [18.82, 26.82], [18.47, 26.97], [18.25, 27.5], [18.35, 27.75], [18.25, 28.0], [18.47, 28.53]]]]}, "2010-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[18.85, 27.75], [18.75, 28.0], [18.85, 28.25], [18.75, 28.5], [18.97, 29.03], [19.32, 29.18], [19.35, 29.25], [19.25, 29.5], [19.47, 30.03], [20.0, 30.25], [20.25, 30.15], [20.5, 30.25], [21.03, 30.03], [21.25, 29.5], [21.15, 29.25], [21.25, 29.0], [21.15, 28.75], [21.25, 28.5], [21.15, 28.25], [21.25, 28.0], [21.03, 27.47], [20.68, 27.32], [20.53, 26.97], [20.18, 26.82], [20.03, 26.47], [19.5, 26.25], [18.97, 26.47], [18.75, 27.0], [18.85, 27.25], [18.75, 27.5], [18.85, 27.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.057199823533324}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.322851524837188}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.60257338508643, 19.921759387150303, 19.963954867923064, 19.502265277746687]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.361706317361097, 20.811818033808777, 20.788426193764963, 20.270379302429603]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.840159955379464, 2.402221387161989, 2.5069728048411037, 2.271920172596717]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.186880706018826, 2.7685053132276494, 3.057199823533324, 2.5099603844415697]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.0921171862914647, 1.363045437662404, 1.410407465327776, 1.2827466869800226]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2922471786227383, 1.4872374032873605, 1.5871047873007387, 1.4378757009435974]}}