{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:03.735886", "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": "2017-May-08_to_2017-May-10_31.5_31.0"}, "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": 2017050001515}, "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": "May 08 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 10 2017"}, "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": 58298.49494142341}, "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"]}, "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": 31.0}, "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": 31.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "31.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 32.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.25}, "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": {"2017-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.47, 32.53], [29.82, 32.68], [29.97, 33.03], [30.5, 33.25], [31.03, 33.03], [31.18, 32.68], [31.53, 32.53], [31.68, 32.18], [31.75, 32.15], [32.0, 32.25], [32.53, 32.03], [32.68, 31.68], [33.03, 31.53], [33.25, 31.0], [33.03, 30.47], [32.5, 30.25], [32.25, 30.35], [32.18, 30.32], [32.15, 30.25], [32.25, 30.0], [32.03, 29.47], [31.68, 29.32], [31.53, 28.97], [31.0, 28.75], [30.75, 28.85], [30.5, 28.75], [29.97, 28.97], [29.75, 29.5], [29.85, 29.75], [29.75, 30.0], [29.85, 30.25], [29.75, 30.5], [29.85, 30.75], [29.82, 30.82], [29.47, 30.97], [29.25, 31.5], [29.35, 31.75], [29.25, 32.0], [29.47, 32.53]]]]}, "2017-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.47, 32.53], [29.82, 32.68], [29.97, 33.03], [30.5, 33.25], [31.03, 33.03], [31.18, 32.68], [31.53, 32.53], [31.68, 32.18], [31.75, 32.15], [32.0, 32.25], [32.53, 32.03], [32.68, 31.68], [33.03, 31.53], [33.25, 31.0], [33.03, 30.47], [32.5, 30.25], [32.25, 30.35], [32.18, 30.32], [32.15, 30.25], [32.25, 30.0], [32.03, 29.47], [31.68, 29.32], [31.53, 28.97], [31.0, 28.75], [30.75, 28.85], [30.5, 28.75], [29.97, 28.97], [29.75, 29.5], [29.85, 29.75], [29.75, 30.0], [29.85, 30.25], [29.75, 30.5], [29.85, 30.75], [29.82, 30.82], [29.47, 30.97], [29.25, 31.5], [29.35, 31.75], [29.25, 32.0], [29.47, 32.53]]]]}, "2017-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.47, 32.53], [29.82, 32.68], [29.97, 33.03], [30.5, 33.25], [31.03, 33.03], [31.18, 32.68], [31.53, 32.53], [31.68, 32.18], [31.75, 32.15], [32.0, 32.25], [32.53, 32.03], [32.68, 31.68], [33.03, 31.53], [33.25, 31.0], [33.03, 30.47], [32.5, 30.25], [32.25, 30.35], [32.18, 30.32], [32.15, 30.25], [32.25, 30.0], [32.03, 29.47], [31.68, 29.32], [31.53, 28.97], [31.0, 28.75], [30.75, 28.85], [30.5, 28.75], [29.97, 28.97], [29.75, 29.5], [29.85, 29.75], [29.75, 30.0], [29.85, 30.25], [29.75, 30.5], [29.85, 30.75], [29.82, 30.82], [29.47, 30.97], [29.25, 31.5], [29.35, 31.75], [29.25, 32.0], [29.47, 32.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.360774716138565}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.01359585325775}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.062259618891233, 27.131207974220672, 25.71238826113472]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.123816809192192, 31.338383048886783, 30.698476833828806]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.196420410282862, 5.2024869270490335, 3.6418802224413556]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.604446617998462, 7.360774716138565, 6.660724256664139]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6791214070787845, 2.776142406539419, 1.8502586122845803]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.1851084482224947, 3.4450187168934523, 2.5503454925216458]}}