{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:21.232906", "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": "2015-Feb-04_to_2015-Feb-06_22.5_26.5"}, "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": 2015020001516}, "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": "February 04 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 06 2015"}, "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": 64172.7468650785}, "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": ["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": 26.5}, "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": 22.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.5\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": 23.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 27.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.75, 26.5], [19.97, 27.03], [20.32, 27.18], [20.47, 27.53], [21.0, 27.75], [21.53, 27.53], [21.68, 27.18], [21.75, 27.15], [22.0, 27.25], [22.25, 27.15], [22.5, 27.25], [23.03, 27.03], [23.18, 26.68], [23.53, 26.53], [23.75, 26.0], [23.65, 25.75], [23.75, 25.5], [23.53, 24.97], [23.18, 24.82], [23.03, 24.47], [22.68, 24.32], [22.65, 24.25], [22.75, 24.0], [22.53, 23.47], [22.18, 23.32], [22.03, 22.97], [21.5, 22.75], [20.97, 22.97], [20.75, 23.5], [20.85, 23.75], [20.75, 24.0], [20.85, 24.25], [20.75, 24.5], [20.85, 24.75], [20.82, 24.82], [20.47, 24.97], [20.25, 25.5], [20.35, 25.75], [20.32, 25.82], [19.97, 25.97], [19.75, 26.5]]]]}, "2015-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.75, 26.5], [19.97, 27.03], [20.32, 27.18], [20.47, 27.53], [21.0, 27.75], [21.53, 27.53], [21.68, 27.18], [21.75, 27.15], [22.0, 27.25], [22.25, 27.15], [22.5, 27.25], [23.03, 27.03], [23.18, 26.68], [23.53, 26.53], [23.75, 26.0], [23.65, 25.75], [23.75, 25.5], [23.53, 24.97], [23.18, 24.82], [23.03, 24.47], [22.68, 24.32], [22.65, 24.25], [22.75, 24.0], [22.53, 23.47], [22.18, 23.32], [22.03, 22.97], [21.5, 22.75], [20.97, 22.97], [20.75, 23.5], [20.85, 23.75], [20.75, 24.0], [20.85, 24.25], [20.75, 24.5], [20.85, 24.75], [20.82, 24.82], [20.47, 24.97], [20.25, 25.5], [20.35, 25.75], [20.32, 25.82], [19.97, 25.97], [19.75, 26.5]]]]}, "2015-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.75, 26.5], [19.97, 27.03], [20.32, 27.18], [20.47, 27.53], [21.0, 27.75], [21.53, 27.53], [21.68, 27.18], [21.75, 27.15], [22.0, 27.25], [22.25, 27.15], [22.5, 27.25], [23.03, 27.03], [23.18, 26.68], [23.53, 26.53], [23.75, 26.0], [23.65, 25.75], [23.75, 25.5], [23.53, 24.97], [23.18, 24.82], [23.03, 24.47], [22.68, 24.32], [22.65, 24.25], [22.75, 24.0], [22.53, 23.47], [22.18, 23.32], [22.03, 22.97], [21.5, 22.75], [20.97, 22.97], [20.75, 23.5], [20.85, 23.75], [20.75, 24.0], [20.85, 24.25], [20.75, 24.5], [20.85, 24.75], [20.82, 24.82], [20.47, 24.97], [20.25, 25.5], [20.35, 25.75], [20.32, 25.82], [19.97, 25.97], [19.75, 26.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.528508467295524}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.1509383856338635}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.259433137191138, 21.565590853647848, 21.4439171291084]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.19098956169927, 22.736524579058823, 22.847746842644312]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.931446742893567, 8.317069072424824, 8.2042993415832]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.913585200663363, 9.121730362192068, 9.528508467295524]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5392834608707242, 2.5484545556522957, 2.5248478202991116]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6471236444731714, 3.0076350044221583, 2.7227303451999405]}}