{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:58.988713", "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-Jul-19_to_2014-Jul-21_5.5_8.5"}, "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": 2014070002798}, "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": "July 19 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 21 2014"}, "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": 61029.15136921831}, "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": ["Benin", "Nigeria"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-Africa"]}, "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": 8.5}, "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": 5.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "5.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 1.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 5.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.47, 10.03], [1.82, 10.18], [1.97, 10.53], [2.5, 10.75], [3.03, 10.53], [3.18, 10.18], [3.25, 10.15], [3.5, 10.25], [3.75, 10.15], [4.0, 10.25], [4.25, 10.15], [4.5, 10.25], [4.75, 10.15], [5.0, 10.25], [5.25, 10.15], [5.5, 10.25], [6.03, 10.03], [6.25, 9.5], [6.15, 9.25], [6.25, 9.0], [6.15, 8.75], [6.25, 8.5], [6.03, 7.97], [5.5, 7.75], [4.97, 7.97], [4.82, 8.32], [4.75, 8.35], [4.68, 8.32], [4.53, 7.97], [4.0, 7.75], [3.75, 7.85], [3.5, 7.75], [2.97, 7.97], [2.82, 8.32], [2.75, 8.35], [2.5, 8.25], [2.25, 8.35], [2.0, 8.25], [1.47, 8.47], [1.25, 9.0], [1.35, 9.25], [1.25, 9.5], [1.47, 10.03]]]]}, "2014-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.47, 10.03], [1.82, 10.18], [1.97, 10.53], [2.5, 10.75], [3.03, 10.53], [3.18, 10.18], [3.25, 10.15], [3.5, 10.25], [3.75, 10.15], [4.0, 10.25], [4.25, 10.15], [4.5, 10.25], [4.75, 10.15], [5.0, 10.25], [5.25, 10.15], [5.5, 10.25], [6.03, 10.03], [6.25, 9.5], [6.15, 9.25], [6.25, 9.0], [6.15, 8.75], [6.25, 8.5], [6.03, 7.97], [5.5, 7.75], [4.97, 7.97], [4.82, 8.32], [4.75, 8.35], [4.68, 8.32], [4.53, 7.97], [4.0, 7.75], [3.75, 7.85], [3.5, 7.75], [2.97, 7.97], [2.82, 8.32], [2.75, 8.35], [2.5, 8.25], [2.25, 8.35], [2.0, 8.25], [1.47, 8.47], [1.25, 9.0], [1.35, 9.25], [1.25, 9.5], [1.47, 10.03]]]]}, "2014-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.47, 10.03], [1.82, 10.18], [1.97, 10.53], [2.5, 10.75], [3.03, 10.53], [3.18, 10.18], [3.25, 10.15], [3.5, 10.25], [3.75, 10.15], [4.0, 10.25], [4.25, 10.15], [4.5, 10.25], [4.75, 10.15], [5.0, 10.25], [5.25, 10.15], [5.5, 10.25], [6.03, 10.03], [6.25, 9.5], [6.15, 9.25], [6.25, 9.0], [6.15, 8.75], [6.25, 8.5], [6.03, 7.97], [5.5, 7.75], [4.97, 7.97], [4.82, 8.32], [4.75, 8.35], [4.68, 8.32], [4.53, 7.97], [4.0, 7.75], [3.75, 7.85], [3.5, 7.75], [2.97, 7.97], [2.82, 8.32], [2.75, 8.35], [2.5, 8.25], [2.25, 8.35], [2.0, 8.25], [1.47, 8.47], [1.25, 9.0], [1.35, 9.25], [1.25, 9.5], [1.47, 10.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3274193696482257}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5872577768591631}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.608467632857185, 26.936631650087747, 26.556129299203747]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.996374631849278, 28.50076824834349, 27.964058792483456]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4874545606459377, 1.8236595259978743, 1.4506592439336772]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7757535548947772, 2.3274193696482257, 1.8779298980304588]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5589467070144898, 1.96587376832379, 1.54242740478342]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0704385584200486, 2.33384761312295, 1.911086003930734]}}