{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:45.617022", "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-Jul-03_to_2022-Jul-07_37.5_53.5"}, "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": 2022070001700}, "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 03 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 07 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 92421.70374604386}, "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", "Russian Federation", "Ukraine"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe", "Europe", "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": 53.5}, "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": 37.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "37.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 31.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 38.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 52.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 55.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[32.32, 54.18], [32.46, 54.5], [32.25, 55.0], [32.47, 55.53], [33.0, 55.75], [33.25, 55.65], [33.5, 55.75], [33.75, 55.65], [34.0, 55.75], [34.53, 55.53], [34.68, 55.18], [35.03, 55.03], [35.18, 54.68], [35.25, 54.65], [35.5, 54.75], [36.03, 54.53], [36.18, 54.18], [36.25, 54.15], [36.5, 54.25], [36.75, 54.15], [36.82, 54.18], [36.97, 54.53], [37.5, 54.75], [38.03, 54.53], [38.18, 54.18], [38.53, 54.03], [38.75, 53.5], [38.65, 53.25], [38.75, 53.0], [38.54, 52.5], [38.75, 52.0], [38.53, 51.47], [38.0, 51.25], [37.75, 51.35], [37.5, 51.25], [36.97, 51.47], [36.82, 51.82], [36.47, 51.97], [36.32, 52.32], [36.2, 52.38], [36.03, 51.97], [35.5, 51.75], [35.25, 51.85], [35.18, 51.82], [35.03, 51.47], [34.5, 51.25], [34.25, 51.35], [34.0, 51.25], [33.75, 51.35], [33.5, 51.25], [32.97, 51.47], [32.82, 51.82], [32.47, 51.97], [32.32, 52.32], [32.0, 52.46], [31.5, 52.25], [30.97, 52.47], [30.75, 53.0], [30.97, 53.53], [31.32, 53.68], [31.47, 54.03], [32.0, 54.25], [32.25, 54.15], [32.32, 54.18]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["West&Central-Europe"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.0, 54.25], [32.47, 54.47], [32.25, 55.0], [32.47, 55.53], [33.0, 55.75], [33.25, 55.65], [33.5, 55.75], [34.03, 55.53], [34.25, 55.0], [34.03, 54.47], [33.5, 54.25], [33.25, 54.35], [33.0, 54.25]]]]}, "2022-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 54.03], [32.0, 54.25], [32.25, 54.15], [32.32, 54.18], [32.46, 54.5], [32.25, 55.0], [32.47, 55.53], [33.0, 55.75], [33.25, 55.65], [33.5, 55.75], [33.75, 55.65], [34.0, 55.75], [34.53, 55.53], [34.68, 55.18], [35.03, 55.03], [35.18, 54.68], [35.25, 54.65], [35.5, 54.75], [36.03, 54.53], [36.18, 54.18], [36.25, 54.15], [36.5, 54.25], [36.75, 54.15], [37.0, 54.25], [37.25, 54.15], [37.5, 54.25], [37.75, 54.15], [38.0, 54.25], [38.53, 54.03], [38.75, 53.5], [38.65, 53.25], [38.75, 53.0], [38.54, 52.5], [38.75, 52.0], [38.53, 51.47], [38.0, 51.25], [37.75, 51.35], [37.5, 51.25], [36.97, 51.47], [36.82, 51.82], [36.47, 51.97], [36.32, 52.32], [36.2, 52.38], [36.03, 51.97], [35.5, 51.75], [35.25, 51.85], [35.18, 51.82], [35.03, 51.47], [34.5, 51.25], [34.25, 51.35], [34.0, 51.25], [33.75, 51.35], [33.5, 51.25], [32.97, 51.47], [32.82, 51.82], [32.47, 51.97], [32.32, 52.32], [32.0, 52.46], [31.5, 52.25], [30.97, 52.47], [30.75, 53.0], [30.97, 53.53], [31.32, 53.68], [31.47, 54.03]]]]}, "2022-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 54.03], [32.0, 54.25], [32.25, 54.15], [32.32, 54.18], [32.46, 54.5], [32.25, 55.0], [32.47, 55.53], [33.0, 55.75], [33.25, 55.65], [33.5, 55.75], [33.75, 55.65], [34.0, 55.75], [34.53, 55.53], [34.68, 55.18], [35.03, 55.03], [35.18, 54.68], [35.25, 54.65], [35.5, 54.75], [36.03, 54.53], [36.18, 54.18], [36.25, 54.15], [36.5, 54.25], [36.75, 54.15], [36.82, 54.18], [36.97, 54.53], [37.5, 54.75], [38.03, 54.53], [38.18, 54.18], [38.53, 54.03], [38.75, 53.5], [38.65, 53.25], [38.75, 53.0], [38.54, 52.5], [38.75, 52.0], [38.53, 51.47], [38.0, 51.25], [37.75, 51.35], [37.5, 51.25], [36.97, 51.47], [36.82, 51.82], [36.47, 51.97], [36.32, 52.32], [36.2, 52.38], [36.03, 51.97], [35.5, 51.75], [35.25, 51.85], [35.18, 51.82], [35.03, 51.47], [34.5, 51.25], [34.25, 51.35], [34.0, 51.25], [33.75, 51.35], [33.5, 51.25], [32.97, 51.47], [32.82, 51.82], [32.47, 51.97], [32.32, 52.32], [32.0, 52.46], [31.5, 52.25], [30.97, 52.47], [30.75, 53.0], [30.97, 53.53], [31.32, 53.68], [31.47, 54.03]]]]}, "2022-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.47, 54.03], [32.0, 54.25], [32.25, 54.15], [32.32, 54.18], [32.47, 54.53], [33.0, 54.75], [33.25, 54.65], [33.32, 54.68], [33.35, 54.75], [33.25, 55.0], [33.47, 55.53], [34.0, 55.75], [34.53, 55.53], [34.68, 55.18], [35.03, 55.03], [35.18, 54.68], [35.25, 54.65], [35.5, 54.75], [36.03, 54.53], [36.18, 54.18], [36.25, 54.15], [36.5, 54.25], [36.75, 54.15], [36.82, 54.18], [36.97, 54.53], [37.5, 54.75], [38.03, 54.53], [38.18, 54.18], [38.53, 54.03], [38.75, 53.5], [38.65, 53.25], [38.75, 53.0], [38.54, 52.5], [38.75, 52.0], [38.53, 51.47], [38.0, 51.25], [37.75, 51.35], [37.5, 51.25], [36.97, 51.47], [36.82, 51.82], [36.47, 51.97], [36.32, 52.32], [36.2, 52.38], [36.03, 51.97], [35.5, 51.75], [35.25, 51.85], [35.18, 51.82], [35.03, 51.47], [34.5, 51.25], [34.25, 51.35], [34.0, 51.25], [33.75, 51.35], [33.5, 51.25], [32.97, 51.47], [32.82, 51.82], [32.47, 51.97], [32.32, 52.32], [32.0, 52.46], [31.5, 52.25], [30.97, 52.47], [30.75, 53.0], [30.97, 53.53], [31.32, 53.68], [31.47, 54.03]]]]}, "2022-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.47, 52.97], [36.25, 53.5], [36.47, 54.03], [36.82, 54.18], [36.97, 54.53], [37.5, 54.75], [38.03, 54.53], [38.18, 54.18], [38.53, 54.03], [38.75, 53.5], [38.65, 53.25], [38.75, 53.0], [38.53, 52.47], [38.0, 52.25], [37.75, 52.35], [37.5, 52.25], [36.97, 52.47], [36.82, 52.82], [36.47, 52.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.121074458189639}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.088412093194318}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.8571414487717, 23.41351184628087, 23.409439622630543, 24.09411650642579, 23.750149870539246]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.937319633406673, 24.15052864528326, 24.381399766950437, 25.131427666586944, 24.092224589688783]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.261190499647995, 4.933696094809296, 4.894880387049965, 5.46741472613854, 5.208409765503177]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.325156877984853, 5.743374713870708, 5.826764609970837, 6.121074458189639, 5.5393082986976765]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3906779336695205, 1.580596694267301, 1.5190334397420342, 1.6596701810888845, 1.5204615842161306]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4160907746377172, 1.7955266567700352, 1.7632217033416013, 1.8330324040558574, 1.624130167434392]}}