{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:44.697504", "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": "2014-Jun-20_to_2014-Jun-23_346.0_17.5"}, "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": 2014060002575}, "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": "June 20 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 23 2014"}, "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": 55878.436897949825}, "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": ["Mauritania"]}, "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": 17.5}, "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": 346.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "346.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 344.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 347.25}, "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": 19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-14.75, 17.5], [-14.53, 18.03], [-14.0, 18.25], [-13.75, 18.15], [-13.5, 18.25], [-13.25, 18.15], [-13.0, 18.25], [-12.47, 18.03], [-12.25, 17.5], [-12.35, 17.25], [-12.25, 17.0], [-12.47, 16.47], [-13.0, 16.25], [-13.25, 16.35], [-13.5, 16.25], [-14.03, 16.47], [-14.18, 16.82], [-14.53, 16.97], [-14.75, 17.5]]]]}, "2014-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.15, 18.25], [-16.25, 18.5], [-16.03, 19.03], [-15.5, 19.25], [-15.25, 19.15], [-15.18, 19.18], [-15.03, 19.53], [-14.5, 19.75], [-13.97, 19.53], [-13.82, 19.18], [-13.5, 19.04], [-13.0, 19.25], [-12.47, 19.03], [-12.25, 18.5], [-12.46, 18.0], [-12.25, 17.5], [-12.35, 17.25], [-12.25, 17.0], [-12.47, 16.47], [-13.0, 16.25], [-13.25, 16.35], [-13.5, 16.25], [-14.03, 16.47], [-14.18, 16.82], [-14.25, 16.85], [-14.5, 16.75], [-14.75, 16.85], [-15.0, 16.75], [-15.25, 16.85], [-15.5, 16.75], [-16.03, 16.97], [-16.25, 17.5], [-16.15, 17.75], [-16.25, 18.0], [-16.15, 18.25]]]]}, "2014-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.15, 18.25], [-16.25, 18.5], [-16.03, 19.03], [-15.5, 19.25], [-15.25, 19.15], [-15.18, 19.18], [-15.03, 19.53], [-14.5, 19.75], [-13.97, 19.53], [-13.82, 19.18], [-13.5, 19.04], [-13.0, 19.25], [-12.47, 19.03], [-12.25, 18.5], [-12.46, 18.0], [-12.25, 17.5], [-12.35, 17.25], [-12.25, 17.0], [-12.47, 16.47], [-13.0, 16.25], [-13.25, 16.35], [-13.5, 16.25], [-14.03, 16.47], [-14.18, 16.82], [-14.25, 16.85], [-14.5, 16.75], [-14.75, 16.85], [-15.0, 16.75], [-15.25, 16.85], [-15.5, 16.75], [-16.03, 16.97], [-16.25, 17.5], [-16.15, 17.75], [-16.25, 18.0], [-16.15, 18.25]]]]}, "2014-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-16.15, 18.25], [-16.25, 18.5], [-16.03, 19.03], [-15.5, 19.25], [-15.25, 19.15], [-15.18, 19.18], [-15.03, 19.53], [-14.5, 19.75], [-13.97, 19.53], [-13.82, 19.18], [-13.5, 19.04], [-13.0, 19.25], [-12.47, 19.03], [-12.25, 18.5], [-12.47, 17.97], [-12.82, 17.82], [-12.97, 17.47], [-13.32, 17.32], [-13.47, 16.97], [-14.0, 16.75], [-14.25, 16.85], [-14.5, 16.75], [-14.75, 16.85], [-15.0, 16.75], [-15.25, 16.85], [-15.5, 16.75], [-16.03, 16.97], [-16.25, 17.5], [-16.15, 17.75], [-16.25, 18.0], [-16.15, 18.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.506173119121456}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.887984610922919}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [38.069518964745725, 37.88951849230767, 37.986780869604445, 37.49862472223367]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [38.50704373341392, 39.69321146125492, 39.36700348548203, 38.05324411780725]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7442848738547925, 3.8000060375527274, 4.044642485945336, 4.182224074519476]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.0934563395535974, 5.316664573666628, 6.424117817533215, 6.506173119121456]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4310683716094397, 1.6509255049819573, 1.7330635176583284, 1.6391523241174515]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5880351683573604, 2.042924055802097, 2.269942471833334, 2.1265070779241486]}}