{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:27:02.336506", "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": "2021-Aug-07_to_2021-Aug-10_44.5_9.0"}, "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": 2021080001778}, "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": "August 07 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 10 2021"}, "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": 70252.4740575807}, "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": 9.0}, "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": 44.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "44.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 41.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 46.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[43.97, 10.03], [44.5, 10.25], [44.75, 10.15], [45.0, 10.25], [45.25, 10.15], [45.32, 10.18], [45.47, 10.53], [46.0, 10.75], [46.25, 10.65], [46.5, 10.75], [47.03, 10.53], [47.25, 10.0], [47.03, 9.47], [46.68, 9.32], [46.65, 9.25], [46.75, 9.0], [46.53, 8.47], [46.18, 8.32], [46.03, 7.97], [45.5, 7.75], [45.25, 7.85], [45.0, 7.75], [44.47, 7.97], [44.32, 8.32], [43.97, 8.47], [43.75, 9.0], [43.85, 9.25], [43.75, 9.5], [43.97, 10.03]]]]}, "2021-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.5, 9.25], [42.75, 9.15], [42.82, 9.18], [42.97, 9.53], [43.5, 9.75], [43.75, 9.65], [43.82, 9.68], [43.97, 10.03], [44.5, 10.25], [44.75, 10.15], [45.0, 10.25], [45.25, 10.15], [45.32, 10.18], [45.47, 10.53], [46.0, 10.75], [46.25, 10.65], [46.5, 10.75], [47.03, 10.53], [47.25, 10.0], [47.03, 9.47], [46.68, 9.32], [46.65, 9.25], [46.75, 9.0], [46.53, 8.47], [46.18, 8.32], [46.03, 7.97], [45.5, 7.75], [45.25, 7.85], [45.0, 7.75], [44.5, 7.96], [44.18, 7.82], [44.03, 7.47], [43.68, 7.32], [43.53, 6.97], [43.0, 6.75], [42.47, 6.97], [42.32, 7.32], [42.25, 7.35], [42.0, 7.25], [41.47, 7.47], [41.25, 8.0], [41.47, 8.53], [41.82, 8.68], [41.97, 9.03], [42.5, 9.25]]]]}, "2021-08-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.5, 9.25], [42.75, 9.15], [42.82, 9.18], [42.97, 9.53], [43.5, 9.75], [43.75, 9.65], [43.82, 9.68], [43.97, 10.03], [44.5, 10.25], [44.75, 10.15], [45.0, 10.25], [45.25, 10.15], [45.32, 10.18], [45.47, 10.53], [46.0, 10.75], [46.25, 10.65], [46.5, 10.75], [47.03, 10.53], [47.25, 10.0], [47.03, 9.47], [46.68, 9.32], [46.65, 9.25], [46.75, 9.0], [46.53, 8.47], [46.18, 8.32], [46.03, 7.97], [45.5, 7.75], [45.25, 7.85], [45.0, 7.75], [44.5, 7.96], [44.18, 7.82], [44.03, 7.47], [43.68, 7.32], [43.53, 6.97], [43.0, 6.75], [42.47, 6.97], [42.32, 7.32], [42.25, 7.35], [42.0, 7.25], [41.47, 7.47], [41.25, 8.0], [41.47, 8.53], [41.82, 8.68], [41.97, 9.03], [42.5, 9.25]]]]}, "2021-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[42.5, 9.25], [42.75, 9.15], [42.82, 9.18], [42.97, 9.53], [43.5, 9.75], [43.75, 9.65], [43.82, 9.68], [43.97, 10.03], [44.5, 10.25], [45.03, 10.03], [45.25, 9.5], [45.15, 9.25], [45.25, 9.0], [45.03, 8.47], [44.68, 8.32], [44.53, 7.97], [44.18, 7.82], [44.03, 7.47], [43.68, 7.32], [43.53, 6.97], [43.0, 6.75], [42.47, 6.97], [42.32, 7.32], [42.25, 7.35], [42.0, 7.25], [41.47, 7.47], [41.25, 8.0], [41.47, 8.53], [41.82, 8.68], [41.97, 9.03], [42.5, 9.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2855177790584094}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.754289842708375}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.67778022539818, 25.85742127591857, 25.949908930964057, 24.744223570704605]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.3836664426355, 28.573347875226602, 28.831989828649967, 26.72229389492611]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.456369614705352, 1.8105249409508652, 1.8599937238095219, 1.7427857051031923]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5371386469024628, 2.24284429359642, 2.2855177790584094, 2.1567879925192983]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4564189396578622, 1.7711628194539881, 1.8212545294608864, 1.6938903256595643]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6009592992790034, 2.180771670109617, 2.2224427210061504, 2.096969580328699]}}