{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:38.530090", "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-May-30_to_2011-Jun-02_357.5_19.0"}, "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": 2011050002742}, "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 30 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 02 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": 58648.16362704807}, "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": ["Mali"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": []}, "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": 19.0}, "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": 357.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "357.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 357.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 360.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.03, 19.53], [-2.5, 19.75], [-2.25, 19.65], [-2.0, 19.75], [-1.47, 19.53], [-1.25, 19.0], [-1.35, 18.75], [-1.25, 18.5], [-1.47, 17.97], [-2.0, 17.75], [-2.25, 17.85], [-2.5, 17.75], [-3.03, 17.97], [-3.25, 18.5], [-3.15, 18.75], [-3.25, 19.0], [-3.03, 19.53]]]]}, "2011-05-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.03, 19.53], [-2.68, 19.68], [-2.53, 20.03], [-2.0, 20.25], [-1.47, 20.03], [-1.32, 19.68], [-1.25, 19.65], [-1.0, 19.75], [-0.75, 19.65], [-0.5, 19.75], [-0.25, 19.65], [0.0, 19.75], [0.25, 19.65], [0.5, 19.75], [1.03, 19.53], [1.25, 19.0], [1.15, 18.75], [1.25, 18.5], [1.03, 17.97], [0.5, 17.75], [0.25, 17.85], [0.18, 17.82], [0.15, 17.75], [0.25, 17.5], [0.15, 17.25], [0.25, 17.0], [0.03, 16.47], [-0.5, 16.25], [-0.75, 16.35], [-1.0, 16.25], [-1.53, 16.47], [-1.75, 17.0], [-1.65, 17.25], [-1.75, 17.5], [-1.65, 17.75], [-1.7, 17.88], [-2.0, 17.75], [-2.25, 17.85], [-2.5, 17.75], [-3.03, 17.97], [-3.25, 18.5], [-3.15, 18.75], [-3.25, 19.0], [-3.03, 19.53]]]]}, "2011-06-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.03, 19.53], [-2.68, 19.68], [-2.53, 20.03], [-2.0, 20.25], [-1.47, 20.03], [-1.32, 19.68], [-1.25, 19.65], [-1.0, 19.75], [-0.75, 19.65], [-0.5, 19.75], [-0.25, 19.65], [0.0, 19.75], [0.25, 19.65], [0.5, 19.75], [1.03, 19.53], [1.25, 19.0], [1.15, 18.75], [1.25, 18.5], [1.03, 17.97], [0.5, 17.75], [0.25, 17.85], [0.18, 17.82], [0.15, 17.75], [0.25, 17.5], [0.15, 17.25], [0.25, 17.0], [0.03, 16.47], [-0.5, 16.25], [-0.75, 16.35], [-1.0, 16.25], [-1.53, 16.47], [-1.75, 17.0], [-1.65, 17.25], [-1.75, 17.5], [-1.65, 17.75], [-1.7, 17.88], [-2.0, 17.75], [-2.25, 17.85], [-2.5, 17.75], [-3.03, 17.97], [-3.25, 18.5], [-3.15, 18.75], [-3.25, 19.0], [-3.03, 19.53]]]]}, "2011-06-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-3.03, 19.53], [-2.68, 19.68], [-2.53, 20.03], [-2.0, 20.25], [-1.47, 20.03], [-1.32, 19.68], [-1.25, 19.65], [-1.0, 19.75], [-0.75, 19.65], [-0.5, 19.75], [-0.25, 19.65], [0.0, 19.75], [0.25, 19.65], [0.5, 19.75], [1.03, 19.53], [1.25, 19.0], [1.15, 18.75], [1.25, 18.5], [1.03, 17.97], [0.5, 17.75], [0.25, 17.85], [0.18, 17.82], [0.15, 17.75], [0.25, 17.5], [0.15, 17.25], [0.25, 17.0], [0.03, 16.47], [-0.5, 16.25], [-0.75, 16.35], [-1.0, 16.25], [-1.53, 16.47], [-1.75, 17.0], [-1.65, 17.25], [-1.75, 17.5], [-1.65, 17.75], [-1.7, 17.88], [-2.0, 17.75], [-2.25, 17.85], [-2.5, 17.75], [-3.03, 17.97], [-3.25, 18.5], [-3.15, 18.75], [-3.25, 19.0], [-3.03, 19.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.673259078522392}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7815550623652916}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.72582051232712, 37.43947945540174, 39.2614945609796, 37.9376376385826]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.974424043871124, 38.24288487628252, 40.24206168832751, 38.589603844148996]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0677664591549956, 2.1239220007874478, 3.89777576629092, 2.465725140659566]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.109497314117675, 2.4455207750184513, 4.673259078522392, 3.260953023803552]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2744513711573033, 1.4530871390686615, 2.722267893887258, 1.741385188447238]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.324667531913528, 1.7308850640734053, 3.3036694391139076, 2.2251838854765977]}}