{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:14.358597", "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": "2010-Jul-08_to_2010-Jul-11_21.0_19.5"}, "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": 2010070001891}, "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 08 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 11 2010"}, "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": 60995.27099768644}, "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": ["Chad", "Libya"]}, "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": 19.5}, "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": 21.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "21.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 20.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 24.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.97, 18.97], [19.75, 19.5], [19.97, 20.03], [20.5, 20.25], [20.75, 20.15], [20.82, 20.18], [20.85, 20.25], [20.75, 20.5], [20.97, 21.03], [21.5, 21.25], [21.75, 21.15], [22.0, 21.25], [22.25, 21.15], [22.32, 21.18], [22.47, 21.53], [23.0, 21.75], [23.25, 21.65], [23.5, 21.75], [24.03, 21.53], [24.25, 21.0], [24.15, 20.75], [24.18, 20.68], [24.53, 20.53], [24.75, 20.0], [24.53, 19.47], [24.18, 19.32], [24.03, 18.97], [23.5, 18.75], [23.25, 18.85], [23.0, 18.75], [22.75, 18.85], [22.5, 18.75], [22.25, 18.85], [22.0, 18.75], [21.75, 18.85], [21.5, 18.75], [21.25, 18.85], [21.0, 18.75], [20.75, 18.85], [20.5, 18.75], [19.97, 18.97]]]]}, "2010-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.97, 18.97], [19.75, 19.5], [19.97, 20.03], [20.5, 20.25], [20.75, 20.15], [20.82, 20.18], [20.85, 20.25], [20.75, 20.5], [20.97, 21.03], [21.5, 21.25], [21.75, 21.15], [22.0, 21.25], [22.25, 21.15], [22.32, 21.18], [22.47, 21.53], [23.0, 21.75], [23.25, 21.65], [23.5, 21.75], [24.03, 21.53], [24.25, 21.0], [24.15, 20.75], [24.18, 20.68], [24.53, 20.53], [24.75, 20.0], [24.53, 19.47], [24.18, 19.32], [24.03, 18.97], [23.68, 18.82], [23.53, 18.47], [23.0, 18.25], [22.47, 18.47], [22.32, 18.82], [22.25, 18.85], [22.0, 18.75], [21.75, 18.85], [21.5, 18.75], [21.25, 18.85], [21.0, 18.75], [20.75, 18.85], [20.5, 18.75], [19.97, 18.97]]]]}, "2010-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.97, 18.97], [19.75, 19.5], [19.97, 20.03], [20.5, 20.25], [20.75, 20.15], [20.82, 20.18], [20.85, 20.25], [20.75, 20.5], [20.97, 21.03], [21.5, 21.25], [21.75, 21.15], [22.0, 21.25], [22.25, 21.15], [22.32, 21.18], [22.47, 21.53], [23.0, 21.75], [23.25, 21.65], [23.5, 21.75], [24.03, 21.53], [24.25, 21.0], [24.15, 20.75], [24.18, 20.68], [24.53, 20.53], [24.75, 20.0], [24.53, 19.47], [24.18, 19.32], [24.03, 18.97], [23.68, 18.82], [23.53, 18.47], [23.0, 18.25], [22.47, 18.47], [22.32, 18.82], [22.25, 18.85], [22.0, 18.75], [21.75, 18.85], [21.5, 18.75], [21.25, 18.85], [21.0, 18.75], [20.75, 18.85], [20.5, 18.75], [19.97, 18.97]]]]}, "2010-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.97, 18.97], [19.75, 19.5], [19.97, 20.03], [20.5, 20.25], [20.75, 20.15], [21.0, 20.25], [21.25, 20.15], [21.5, 20.25], [21.75, 20.15], [22.0, 20.25], [22.53, 20.03], [22.7, 19.63], [23.0, 19.75], [23.53, 19.53], [23.75, 19.0], [23.53, 18.47], [23.0, 18.25], [22.47, 18.47], [22.3, 18.88], [22.0, 18.75], [21.75, 18.85], [21.5, 18.75], [21.25, 18.85], [21.0, 18.75], [20.75, 18.85], [20.5, 18.75], [19.97, 18.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.9424190371356644}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1381163543907866}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.34829568005193, 33.195332749128966, 33.28934211037506, 33.33527635755348]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.1301003024995, 34.15506771072461, 34.8265729028837, 33.93795247838966]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.2894535348326572, 2.0759826582876846, 2.1442859065215343, 1.7678170373071906]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.8704386100960733, 2.8334878962907055, 2.9424190371356644, 2.010339945759881]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9585565170653019, 1.8023196142401507, 1.8658674041560785, 1.5235880430173752]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.376383764525101, 2.3143143500203243, 2.4738488274835286, 1.6640782214108734]}}