{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:05.563460", "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-Dec-10_to_2012-Dec-14_46.5_7.5"}, "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": 2012120001851}, "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": "December 10 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 14 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 79674.86553113745}, "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": ["Ethiopia", "Somalia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-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": 7.5}, "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": 46.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "46.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 43.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 47.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.0, 8.75], [47.53, 8.53], [47.75, 8.0], [47.53, 7.47], [47.18, 7.32], [47.03, 6.97], [46.5, 6.75], [45.97, 6.97], [45.75, 7.5], [45.97, 8.03], [46.32, 8.18], [46.47, 8.53], [47.0, 8.75]]]]}, "2012-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.97, 8.03], [43.5, 8.25], [43.75, 8.15], [44.0, 8.25], [44.25, 8.15], [44.32, 8.18], [44.47, 8.53], [45.0, 8.75], [45.25, 8.65], [45.32, 8.68], [45.47, 9.03], [46.0, 9.25], [46.25, 9.15], [46.32, 9.18], [46.47, 9.53], [47.0, 9.75], [47.53, 9.53], [47.75, 9.0], [47.65, 8.75], [47.75, 8.5], [47.65, 8.25], [47.75, 8.0], [47.53, 7.47], [47.18, 7.32], [47.03, 6.97], [46.68, 6.82], [46.53, 6.47], [46.18, 6.32], [46.03, 5.97], [45.5, 5.75], [45.25, 5.85], [45.0, 5.75], [44.75, 5.85], [44.5, 5.75], [44.25, 5.85], [44.0, 5.75], [43.47, 5.97], [43.32, 6.32], [42.97, 6.47], [42.75, 7.0], [42.85, 7.25], [42.75, 7.5], [42.97, 8.03]]]]}, "2012-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.97, 8.03], [43.5, 8.25], [43.75, 8.15], [44.0, 8.25], [44.25, 8.15], [44.32, 8.18], [44.47, 8.53], [45.0, 8.75], [45.25, 8.65], [45.32, 8.68], [45.47, 9.03], [46.0, 9.25], [46.25, 9.15], [46.32, 9.18], [46.47, 9.53], [47.0, 9.75], [47.53, 9.53], [47.75, 9.0], [47.65, 8.75], [47.75, 8.5], [47.65, 8.25], [47.75, 8.0], [47.53, 7.47], [47.18, 7.32], [47.03, 6.97], [46.68, 6.82], [46.53, 6.47], [46.18, 6.32], [46.03, 5.97], [45.5, 5.75], [45.25, 5.85], [45.0, 5.75], [44.75, 5.85], [44.5, 5.75], [44.25, 5.85], [44.0, 5.75], [43.47, 5.97], [43.32, 6.32], [42.97, 6.47], [42.75, 7.0], [42.85, 7.25], [42.75, 7.5], [42.97, 8.03]]]]}, "2012-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.97, 8.03], [43.5, 8.25], [43.75, 8.15], [44.0, 8.25], [44.25, 8.15], [44.32, 8.18], [44.47, 8.53], [45.0, 8.75], [45.25, 8.65], [45.32, 8.68], [45.47, 9.03], [46.0, 9.25], [46.25, 9.15], [46.32, 9.18], [46.47, 9.53], [47.0, 9.75], [47.53, 9.53], [47.75, 9.0], [47.65, 8.75], [47.75, 8.5], [47.65, 8.25], [47.75, 8.0], [47.53, 7.47], [47.18, 7.32], [47.03, 6.97], [46.68, 6.82], [46.53, 6.47], [46.18, 6.32], [46.03, 5.97], [45.5, 5.75], [45.25, 5.85], [45.0, 5.75], [44.75, 5.85], [44.5, 5.75], [44.25, 5.85], [44.0, 5.75], [43.47, 5.97], [43.32, 6.32], [42.97, 6.47], [42.75, 7.0], [42.85, 7.25], [42.75, 7.5], [42.97, 8.03]]]]}, "2012-12-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.0, 9.25], [47.53, 9.03], [47.75, 8.5], [47.53, 7.97], [47.0, 7.75], [46.47, 7.97], [46.25, 8.5], [46.47, 9.03], [47.0, 9.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0129893560036862}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0947119618368313}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.01124288368527, 26.963752197325505, 26.630049254995583, 26.53079597735922, 24.241210772368902]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.328803936240945, 29.16207984105216, 28.575367284867582, 28.58500728162352, 24.241210772368902]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8332232184750978, 2.309144643543948, 2.0344013142475754, 1.9835606567101252, 1.5004504947902433]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.864167117187037, 3.0129893560036862, 2.4199251398289903, 2.341826022781163, 1.5004504947902433]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5552838419204429, 1.9011771510991038, 1.6965020469846541, 1.6796904071646637, 1.3406099136768426]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5711948583124546, 2.6079256150429577, 1.9857007020789241, 1.8827972044995775, 1.3406099136768426]}}