{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:43:59.336663", "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-Jan-14_to_2010-Jan-16_24.5_31.5"}, "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": 2010010001903}, "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": "January 14 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 16 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 117000.13627253215}, "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": ["Egypt", "Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "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": ["Mediterranean Sea - Eastern Basin"]}, "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": 31.5}, "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": 24.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 20.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 25.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-01-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.47, 30.03], [20.82, 30.18], [20.85, 30.25], [20.82, 30.32], [20.47, 30.47], [20.25, 31.0], [20.47, 31.53], [20.82, 31.68], [20.97, 32.03], [21.32, 32.18], [21.47, 32.53], [22.0, 32.75], [22.25, 32.65], [22.5, 32.75], [22.75, 32.65], [22.82, 32.68], [22.97, 33.03], [23.5, 33.25], [24.03, 33.03], [24.18, 32.68], [24.25, 32.65], [24.5, 32.75], [24.75, 32.65], [25.0, 32.75], [25.53, 32.53], [25.75, 32.0], [25.65, 31.75], [25.75, 31.5], [25.53, 30.97], [25.18, 30.82], [25.03, 30.47], [24.5, 30.25], [24.25, 30.35], [24.18, 30.32], [24.03, 29.97], [23.68, 29.82], [23.53, 29.47], [23.18, 29.32], [23.15, 29.25], [23.25, 29.0], [23.03, 28.47], [22.68, 28.32], [22.65, 28.25], [22.75, 28.0], [22.53, 27.47], [22.0, 27.25], [21.47, 27.47], [21.32, 27.82], [20.97, 27.97], [20.82, 28.32], [20.47, 28.47], [20.25, 29.0], [20.35, 29.25], [20.25, 29.5], [20.47, 30.03]]]]}, "2010-01-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.47, 30.03], [20.82, 30.18], [20.85, 30.25], [20.82, 30.32], [20.47, 30.47], [20.25, 31.0], [20.47, 31.53], [20.82, 31.68], [20.97, 32.03], [21.32, 32.18], [21.47, 32.53], [22.0, 32.75], [22.25, 32.65], [22.5, 32.75], [22.75, 32.65], [22.82, 32.68], [22.97, 33.03], [23.5, 33.25], [24.03, 33.03], [24.18, 32.68], [24.25, 32.65], [24.5, 32.75], [24.75, 32.65], [25.0, 32.75], [25.53, 32.53], [25.75, 32.0], [25.65, 31.75], [25.75, 31.5], [25.53, 30.97], [25.18, 30.82], [25.03, 30.47], [24.5, 30.25], [24.25, 30.35], [24.18, 30.32], [24.03, 29.97], [23.68, 29.82], [23.53, 29.47], [23.18, 29.32], [23.15, 29.25], [23.25, 29.0], [23.03, 28.47], [22.68, 28.32], [22.65, 28.25], [22.75, 28.0], [22.53, 27.47], [22.0, 27.25], [21.47, 27.47], [21.32, 27.82], [20.97, 27.97], [20.82, 28.32], [20.47, 28.47], [20.25, 29.0], [20.35, 29.25], [20.25, 29.5], [20.47, 30.03]]]]}, "2010-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[20.47, 30.03], [20.82, 30.18], [20.85, 30.25], [20.82, 30.32], [20.47, 30.47], [20.25, 31.0], [20.47, 31.53], [20.82, 31.68], [20.97, 32.03], [21.32, 32.18], [21.47, 32.53], [22.0, 32.75], [22.25, 32.65], [22.5, 32.75], [22.75, 32.65], [22.82, 32.68], [22.97, 33.03], [23.5, 33.25], [24.03, 33.03], [24.18, 32.68], [24.25, 32.65], [24.5, 32.75], [24.75, 32.65], [25.0, 32.75], [25.53, 32.53], [25.75, 32.0], [25.65, 31.75], [25.75, 31.5], [25.53, 30.97], [25.18, 30.82], [25.03, 30.47], [24.5, 30.25], [24.25, 30.35], [24.18, 30.32], [24.03, 29.97], [23.68, 29.82], [23.53, 29.47], [23.18, 29.32], [23.15, 29.25], [23.25, 29.0], [23.03, 28.47], [22.68, 28.32], [22.65, 28.25], [22.75, 28.0], [22.53, 27.47], [22.0, 27.25], [21.47, 27.47], [21.32, 27.82], [20.97, 27.97], [20.82, 28.32], [20.47, 28.47], [20.25, 29.0], [20.35, 29.25], [20.25, 29.5], [20.47, 30.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.4496271666146185}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.5775323257020326}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.937494432482424, 14.699304214993788, 14.914686146584984]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.822824598452712, 16.29718024081393, 17.086359584421245]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5709974954176356, 2.449968020108544, 2.7116314615799193]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.999088389826909, 3.327305420612902, 3.4496271666146185]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4871442866200284, 1.4689344114860736, 1.6959882710057732]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7297572236477399, 1.8474436637059677, 2.244485742717301]}}