{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:42.179959", "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": "2017-Dec-01_to_2017-Dec-03_32.5_47.5"}, "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": 2017120001292}, "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": "December 01 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 03 2017"}, "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": 85955.4228680805}, "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": ["Russian Federation", "Ukraine"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["West&Central-Europe"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Europe"]}, "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": 47.5}, "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": 32.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 31.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 46.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 51.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-12-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.35, 47.75], [31.25, 48.0], [31.47, 48.53], [32.0, 48.75], 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"coordinates": [[[[31.35, 47.75], [31.25, 48.0], [31.47, 48.53], [32.0, 48.75], [32.25, 48.65], [32.32, 48.68], [32.47, 49.03], [33.0, 49.25], [33.25, 49.15], [33.32, 49.18], [33.35, 49.25], [33.32, 49.32], [32.97, 49.47], [32.75, 50.0], [32.97, 50.53], [33.32, 50.68], [33.35, 50.75], [33.25, 51.0], [33.47, 51.53], [33.82, 51.68], [33.97, 52.03], [34.5, 52.25], [34.75, 52.15], [35.0, 52.25], [35.53, 52.03], [35.75, 51.5], [35.65, 51.25], [35.75, 51.0], [35.65, 50.75], [35.75, 50.5], [35.53, 49.97], [35.18, 49.82], [35.15, 49.75], [35.25, 49.5], [35.15, 49.25], [35.25, 49.0], [35.15, 48.75], [35.18, 48.68], [35.53, 48.53], [35.75, 48.0], [35.54, 47.5], [35.75, 47.0], [35.53, 46.47], [35.18, 46.32], [35.03, 45.97], [34.5, 45.75], [33.97, 45.97], [33.82, 46.32], [33.75, 46.35], [33.68, 46.32], [33.53, 45.97], [33.0, 45.75], [32.75, 45.85], [32.5, 45.75], [31.97, 45.97], [31.82, 46.32], [31.47, 46.47], [31.25, 47.0], [31.35, 47.25], [31.25, 47.5], [31.35, 47.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.700930903379287}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.905409314632363}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [8.380573547727295, 8.517983650395934, 6.84624526568598]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.820578285932754, 12.06446144837031, 9.095772134594483]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.21128226224416, 8.491114020446737, 7.013831661206195]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.396293231829588, 10.700930903379287, 8.220922578741238]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6589459437388085, 1.6937593748166337, 1.386329104136554]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.133184116945952, 2.237474959694392, 1.6581164801016062]}}