{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:29:26.010979", "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": "2022-Feb-09_to_2022-Feb-11_24.5_49.0"}, "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": 2022020001651}, "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 09 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2022"}, "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": 72441.40620908787}, "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": ["Belarus", "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": ["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": 49.0}, "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": 24.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 23.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 48.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 52.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.75, 50.0], [22.97, 50.53], [23.5, 50.75], [23.75, 50.65], [24.0, 50.75], [24.25, 50.65], [24.5, 50.75], [24.75, 50.65], [24.82, 50.68], [24.97, 51.03], [25.32, 51.18], [25.35, 51.25], [25.25, 51.5], [25.35, 51.75], [25.25, 52.0], [25.47, 52.53], [25.82, 52.68], [25.97, 53.03], [26.5, 53.25], [26.75, 53.15], [27.0, 53.25], [27.25, 53.15], [27.5, 53.25], [27.75, 53.15], [28.0, 53.25], [28.53, 53.03], [28.75, 52.5], [28.53, 51.97], [28.18, 51.82], [28.15, 51.75], [28.18, 51.68], [28.25, 51.65], [28.5, 51.75], [28.75, 51.65], [29.0, 51.75], [29.25, 51.65], [29.5, 51.75], [30.03, 51.53], [30.25, 51.0], [30.03, 50.47], [29.5, 50.25], [29.25, 50.35], [29.0, 50.25], [28.75, 50.35], [28.5, 50.25], [28.25, 50.35], [28.0, 50.25], [27.75, 50.35], [27.5, 50.25], [27.25, 50.35], [27.18, 50.32], [27.03, 49.97], [26.68, 49.82], [26.54, 49.5], [26.68, 49.18], [27.03, 49.03], [27.25, 48.5], [27.03, 47.97], [26.5, 47.75], [26.25, 47.85], [26.0, 47.75], [25.47, 47.97], [25.32, 48.32], [25.25, 48.35], [25.0, 48.25], [24.75, 48.35], [24.5, 48.25], [23.97, 48.47], [23.82, 48.82], [23.47, 48.97], [23.32, 49.32], [22.97, 49.47], [22.75, 50.0]]]]}, "2022-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.75, 50.0], [22.97, 50.53], [23.5, 50.75], [23.75, 50.65], [24.0, 50.75], [24.25, 50.65], [24.5, 50.75], [24.75, 50.65], [24.82, 50.68], [24.97, 51.03], [25.32, 51.18], [25.35, 51.25], [25.25, 51.5], [25.35, 51.75], [25.25, 52.0], [25.47, 52.53], [25.82, 52.68], [25.97, 53.03], [26.5, 53.25], [26.75, 53.15], [27.0, 53.25], [27.25, 53.15], [27.5, 53.25], [27.75, 53.15], [28.0, 53.25], [28.53, 53.03], [28.75, 52.5], [28.53, 51.97], [28.18, 51.82], [28.15, 51.75], [28.18, 51.68], [28.25, 51.65], [28.5, 51.75], [28.75, 51.65], [29.0, 51.75], [29.25, 51.65], [29.5, 51.75], [30.03, 51.53], [30.25, 51.0], [30.03, 50.47], [29.5, 50.25], [29.25, 50.35], [29.0, 50.25], [28.75, 50.35], [28.5, 50.25], [28.25, 50.35], [28.0, 50.25], [27.75, 50.35], [27.5, 50.25], [27.25, 50.35], [27.18, 50.32], [27.03, 49.97], [26.68, 49.82], [26.54, 49.5], [26.68, 49.18], [27.03, 49.03], [27.25, 48.5], [27.03, 47.97], [26.5, 47.75], [26.25, 47.85], [26.0, 47.75], [25.47, 47.97], [25.32, 48.32], [25.25, 48.35], [25.0, 48.25], [24.75, 48.35], [24.5, 48.25], [23.97, 48.47], [23.82, 48.82], [23.47, 48.97], [23.32, 49.32], [22.97, 49.47], [22.75, 50.0]]]]}, "2022-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.75, 50.0], [22.97, 50.53], [23.5, 50.75], [23.75, 50.65], [24.0, 50.75], [24.25, 50.65], [24.5, 50.75], [24.75, 50.65], [24.82, 50.68], [24.97, 51.03], [25.32, 51.18], [25.35, 51.25], [25.25, 51.5], [25.35, 51.75], [25.25, 52.0], [25.47, 52.53], [25.82, 52.68], [25.97, 53.03], [26.5, 53.25], [26.75, 53.15], [27.0, 53.25], [27.25, 53.15], [27.5, 53.25], [27.75, 53.15], [28.0, 53.25], [28.53, 53.03], [28.75, 52.5], [28.53, 51.97], [28.18, 51.82], [28.15, 51.75], [28.18, 51.68], [28.25, 51.65], [28.5, 51.75], [28.75, 51.65], [29.0, 51.75], [29.25, 51.65], [29.5, 51.75], [30.03, 51.53], [30.25, 51.0], [30.03, 50.47], [29.5, 50.25], [29.25, 50.35], [29.0, 50.25], [28.75, 50.35], [28.5, 50.25], [28.25, 50.35], [28.0, 50.25], [27.75, 50.35], [27.5, 50.25], [27.25, 50.35], [27.18, 50.32], [27.03, 49.97], [26.68, 49.82], [26.54, 49.5], [26.68, 49.18], [27.03, 49.03], [27.25, 48.5], [27.03, 47.97], [26.5, 47.75], [26.25, 47.85], [26.0, 47.75], [25.47, 47.97], [25.32, 48.32], [25.25, 48.35], [25.0, 48.25], [24.75, 48.35], [24.5, 48.25], [23.97, 48.47], [23.82, 48.82], [23.47, 48.97], [23.32, 49.32], [22.97, 49.47], [22.75, 50.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.058323041631354}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.078769106955948}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.067849539234317, 5.360175653125793, 4.049463804124571]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [5.302973227335315, 6.266348207104841, 5.881168561697791]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.712834604573516, 7.970937419352685, 6.552535296941642]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.23871036687143, 9.058323041631354, 7.652517397946497]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1377543693419414, 1.3750533465464299, 1.1613943914836626]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2291597744396852, 1.5509822295781175, 1.3694359289135676]}}