{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:36.314272", "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": "2011-Jan-06_to_2011-Jan-09_1.5_34.0"}, "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": 2011010001864}, "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 06 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 09 2011"}, "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": 55964.43673710246}, "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": ["Algeria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "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": 34.0}, "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": 1.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "1.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": -0.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 4.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 33.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-01-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.5, 34.75], [2.03, 34.53], [2.25, 34.0], [2.03, 33.47], [1.68, 33.32], [1.53, 32.97], [1.0, 32.75], [0.47, 32.97], [0.25, 33.5], [0.47, 34.03], [0.82, 34.18], [0.97, 34.53], [1.5, 34.75]]]]}, "2011-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.54, 34.5], [-0.75, 35.0], [-0.53, 35.53], [0.0, 35.75], [0.25, 35.65], [0.32, 35.68], [0.47, 36.03], [1.0, 36.25], [1.25, 36.15], [1.5, 36.25], [2.03, 36.03], [2.18, 35.68], [2.25, 35.65], [2.5, 35.75], [2.75, 35.65], [3.0, 35.75], [3.25, 35.65], [3.5, 35.75], [3.75, 35.65], [4.0, 35.75], [4.53, 35.53], [4.75, 35.0], [4.53, 34.47], [4.0, 34.25], [3.75, 34.35], [3.5, 34.25], [3.25, 34.35], [3.18, 34.32], [3.03, 33.97], [2.5, 33.75], [2.25, 33.85], [2.18, 33.82], [2.03, 33.47], [1.68, 33.32], [1.53, 32.97], [1.0, 32.75], [0.5, 32.96], [0.0, 32.75], [-0.53, 32.97], [-0.75, 33.5], [-0.65, 33.75], [-0.75, 34.0], [-0.54, 34.5]]]]}, "2011-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.54, 34.5], [-0.75, 35.0], [-0.53, 35.53], [0.0, 35.75], [0.25, 35.65], [0.32, 35.68], [0.47, 36.03], [1.0, 36.25], [1.25, 36.15], [1.5, 36.25], [2.03, 36.03], [2.18, 35.68], [2.25, 35.65], [2.5, 35.75], [2.75, 35.65], [3.0, 35.75], [3.25, 35.65], [3.5, 35.75], [3.75, 35.65], [4.0, 35.75], [4.53, 35.53], [4.75, 35.0], [4.53, 34.47], [4.0, 34.25], [3.75, 34.35], [3.5, 34.25], [3.25, 34.35], [3.18, 34.32], [3.03, 33.97], [2.5, 33.75], [2.25, 33.85], [2.18, 33.82], [2.03, 33.47], [1.68, 33.32], [1.53, 32.97], [1.0, 32.75], [0.5, 32.96], [0.0, 32.75], [-0.53, 32.97], [-0.75, 33.5], [-0.65, 33.75], [-0.75, 34.0], [-0.54, 34.5]]]]}, "2011-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-0.54, 34.5], [-0.75, 35.0], [-0.53, 35.53], [0.0, 35.75], [0.25, 35.65], [0.32, 35.68], [0.47, 36.03], [1.0, 36.25], [1.25, 36.15], [1.5, 36.25], [2.03, 36.03], [2.18, 35.68], [2.25, 35.65], [2.5, 35.75], [2.75, 35.65], [3.0, 35.75], [3.25, 35.65], [3.5, 35.75], [3.75, 35.65], [4.0, 35.75], [4.53, 35.53], [4.75, 35.0], [4.53, 34.47], [4.0, 34.25], [3.75, 34.35], [3.5, 34.25], [3.25, 34.35], [3.18, 34.32], [3.03, 33.97], [2.5, 33.75], [2.25, 33.85], [2.18, 33.82], [2.03, 33.47], [1.5, 33.25], [1.25, 33.35], [1.0, 33.25], [0.75, 33.35], [0.68, 33.32], [0.53, 32.97], [0.0, 32.75], [-0.53, 32.97], [-0.75, 33.5], [-0.65, 33.75], [-0.75, 34.0], [-0.54, 34.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.673537594483321}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.4280716920179195}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.580763880891084, 10.505776104474137, 11.140706561324635, 10.010133417274233]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.694154031001005, 12.942496316883705, 13.910799253433936, 12.191048643433476]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.442936215781799, 4.353362562876728, 5.0172404405191635, 3.887698326615591]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.5023393915316205, 5.133073153407111, 5.673537594483321, 5.025517945232309]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.534751605514467, 1.624391861025803, 1.9704939603172145, 1.5780150191308782]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5617355506748236, 1.8749050872975361, 2.2102469925916357, 2.0221417014105567]}}