{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:38.731818", "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": "2012-Oct-05_to_2012-Oct-08_350.0_21.5"}, "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": 2012100001687}, "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": "October 05 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 08 2012"}, "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": 77325.61044452239}, "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": ["Mauritania"]}, "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": 21.5}, "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": 350.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "350.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 349.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 352.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.0, 24.25], [-8.47, 24.03], [-8.25, 23.5], [-8.47, 22.97], [-9.0, 22.75], [-9.53, 22.97], [-9.75, 23.5], [-9.53, 24.03], [-9.0, 24.25]]]]}, "2012-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.25, 22.0], [-11.03, 22.53], [-10.68, 22.68], [-10.65, 22.75], [-10.75, 23.0], [-10.65, 23.25], [-10.75, 23.5], [-10.65, 23.75], [-10.75, 24.0], [-10.53, 24.53], [-10.18, 24.68], [-10.03, 25.03], [-9.5, 25.25], [-8.97, 25.03], [-8.75, 24.5], [-8.85, 24.25], [-8.82, 24.18], [-8.47, 24.03], [-8.25, 23.5], [-8.47, 22.97], [-8.82, 22.82], [-8.85, 22.75], [-8.82, 22.68], [-8.47, 22.53], [-8.32, 22.18], [-8.25, 22.15], [-8.0, 22.25], [-7.47, 22.03], [-7.25, 21.5], [-7.35, 21.25], [-7.25, 21.0], [-7.47, 20.47], [-7.82, 20.32], [-7.97, 19.97], [-8.5, 19.75], [-8.75, 19.85], [-9.0, 19.75], [-9.25, 19.85], [-9.5, 19.75], [-10.03, 19.97], [-10.18, 20.32], [-10.53, 20.47], [-10.75, 21.0], [-10.65, 21.25], [-10.68, 21.32], [-11.03, 21.47], [-11.25, 22.0]]]]}, "2012-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.25, 22.0], [-11.03, 22.53], [-10.68, 22.68], [-10.65, 22.75], [-10.75, 23.0], [-10.65, 23.25], [-10.75, 23.5], [-10.65, 23.75], [-10.75, 24.0], [-10.53, 24.53], [-10.18, 24.68], [-10.03, 25.03], [-9.5, 25.25], [-8.97, 25.03], [-8.75, 24.5], [-8.85, 24.25], [-8.82, 24.18], [-8.47, 24.03], [-8.25, 23.5], [-8.47, 22.97], [-8.82, 22.82], [-8.85, 22.75], [-8.82, 22.68], [-8.47, 22.53], [-8.32, 22.18], [-8.25, 22.15], [-8.0, 22.25], [-7.47, 22.03], [-7.25, 21.5], [-7.35, 21.25], [-7.25, 21.0], [-7.47, 20.47], [-7.82, 20.32], [-7.97, 19.97], [-8.5, 19.75], [-8.75, 19.85], [-9.0, 19.75], [-9.25, 19.85], [-9.5, 19.75], [-10.03, 19.97], [-10.18, 20.32], [-10.53, 20.47], [-10.75, 21.0], [-10.65, 21.25], [-10.68, 21.32], [-11.03, 21.47], [-11.25, 22.0]]]]}, "2012-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-11.25, 22.0], [-11.03, 22.53], [-10.68, 22.68], [-10.65, 22.75], [-10.75, 23.0], [-10.65, 23.25], [-10.75, 23.5], [-10.65, 23.75], [-10.75, 24.0], [-10.53, 24.53], [-10.18, 24.68], [-10.03, 25.03], [-9.5, 25.25], [-8.97, 25.03], [-8.75, 24.5], [-8.85, 24.25], [-8.75, 24.0], [-8.85, 23.75], [-8.75, 23.5], [-8.85, 23.25], [-8.75, 23.0], [-8.85, 22.75], [-8.82, 22.68], [-8.47, 22.53], [-8.32, 22.18], [-8.25, 22.15], [-8.0, 22.25], [-7.47, 22.03], [-7.25, 21.5], [-7.35, 21.25], [-7.25, 21.0], [-7.47, 20.47], [-7.82, 20.32], [-7.97, 19.97], [-8.5, 19.75], [-8.75, 19.85], [-9.0, 19.75], [-9.25, 19.85], [-9.5, 19.75], [-10.03, 19.97], [-10.18, 20.32], [-10.53, 20.47], [-10.75, 21.0], [-10.65, 21.25], [-10.68, 21.32], [-11.03, 21.47], [-11.25, 22.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.866871114777041}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.2933065344261987}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.96717800007485, 32.97290398753677, 33.55968727670853, 32.76044863598162]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.96717800007485, 34.3765477320249, 35.07754229977019, 33.868339444964306]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.9931716946177858, 2.9131050765704374, 3.775726139619933, 3.1987005675678577]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9931716946177858, 4.134457519981595, 4.866871114777041, 4.294537794848679]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1593298566183665, 1.2853827080593268, 1.617562948061648, 1.3391234203071354]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1593298566183665, 1.4666466607275401, 1.9233126512562737, 1.5740863270367849]}}