{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:51.465037", "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-May-02_to_2017-May-04_36.5_46.5"}, "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": 2017050001144}, "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": "May 02 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 04 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": 61622.82118811333}, "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": ["Sea of Azov"]}, "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": 46.5}, "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": 36.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 34.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 45.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-05-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.75, 46.5], [33.97, 47.03], [34.5, 47.25], [34.75, 47.15], [35.0, 47.25], [35.25, 47.15], [35.5, 47.25], [35.75, 47.15], [35.82, 47.18], [35.97, 47.53], [36.5, 47.75], [36.75, 47.65], [36.82, 47.68], [36.97, 48.03], [37.5, 48.25], [37.75, 48.15], [37.82, 48.18], [37.97, 48.53], [38.5, 48.75], [39.03, 48.53], [39.18, 48.18], [39.53, 48.03], [39.68, 47.68], [39.75, 47.65], [40.0, 47.75], [40.53, 47.53], [40.75, 47.0], [40.53, 46.47], [40.18, 46.32], [40.15, 46.25], [40.25, 46.0], [40.03, 45.47], [39.5, 45.25], [39.25, 45.35], [39.18, 45.32], [39.03, 44.97], [38.5, 44.75], [38.25, 44.85], [38.0, 44.75], [37.47, 44.97], [37.25, 45.5], [37.43, 45.93], [37.18, 45.82], [37.03, 45.47], [36.5, 45.25], [36.25, 45.35], [36.0, 45.25], [35.7, 45.38], [35.53, 44.97], [35.0, 44.75], [34.47, 44.97], [34.25, 45.5], [34.35, 45.75], [34.32, 45.82], [33.97, 45.97], [33.75, 46.5]]]]}, "2017-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.75, 46.5], [33.97, 47.03], [34.5, 47.25], [34.75, 47.15], [35.0, 47.25], [35.25, 47.15], [35.5, 47.25], [35.75, 47.15], [35.82, 47.18], [35.97, 47.53], [36.5, 47.75], [36.75, 47.65], [36.82, 47.68], [36.97, 48.03], [37.5, 48.25], [37.75, 48.15], [37.82, 48.18], [37.97, 48.53], [38.5, 48.75], [39.03, 48.53], [39.18, 48.18], [39.53, 48.03], [39.68, 47.68], [39.75, 47.65], [40.0, 47.75], [40.53, 47.53], [40.75, 47.0], [40.53, 46.47], [40.18, 46.32], [40.15, 46.25], [40.25, 46.0], [40.03, 45.47], [39.5, 45.25], [39.25, 45.35], [39.18, 45.32], [39.03, 44.97], [38.5, 44.75], [38.25, 44.85], [38.0, 44.75], [37.47, 44.97], [37.25, 45.5], [37.43, 45.93], [37.18, 45.82], [37.03, 45.47], [36.5, 45.25], [36.25, 45.35], [36.0, 45.25], [35.7, 45.38], [35.53, 44.97], [35.0, 44.75], [34.47, 44.97], [34.25, 45.5], [34.35, 45.75], [34.32, 45.82], [33.97, 45.97], [33.75, 46.5]]]]}, "2017-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.75, 46.5], [33.97, 47.03], [34.5, 47.25], [34.75, 47.15], [35.0, 47.25], [35.25, 47.15], [35.5, 47.25], [35.75, 47.15], [35.82, 47.18], 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5.271771142391096}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.645795043854037, 20.68196268669601, 19.635801587219646]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.993530480037577, 22.45330637718672, 20.680077181701677]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.119910090988362, 5.9672353992799865, 4.72816793690494]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.876163207894592, 7.4954943537057375, 5.543309920395075]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7371345100856317, 1.9475675760463655, 1.5224070739070705]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.006161322807746, 2.2128315548111015, 1.7463471062472458]}}