{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:05.358541", "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": "2023-Jun-20_to_2023-Jun-23_19.0_48.0"}, "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": 2023060002455}, "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": "June 20 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 23 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 93666.98270667222}, "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": ["Bosnia and Herzegovina", "Croatia", "Hungary", "Montenegro", "Serbia", "Slovakia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe", "Europe", "Europe", "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": 48.0}, "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": 19.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "19.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 15.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 20.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[16.32, 43.82], [16.25, 43.85], [16.0, 43.75], [15.75, 43.85], [15.5, 43.75], [14.97, 43.97], [14.75, 44.5], [14.97, 45.03], 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"IPCC regions", "description": "List of all IPCC regions affected", "value": ["West&Central-Europe", "Mediterranean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.47, 43.47], [16.25, 44.0], [16.47, 44.53], [17.0, 44.75], [17.25, 44.65], [17.5, 44.75], [18.03, 44.53], [18.25, 44.0], [18.03, 43.47], [17.5, 43.25], [17.25, 43.35], [17.0, 43.25], [16.47, 43.47]]], [[[17.47, 44.97], [17.25, 45.5], [17.47, 46.03], [18.0, 46.25], [18.53, 46.03], [18.75, 45.5], [18.53, 44.97], [18.0, 44.75], [17.47, 44.97]]], [[[18.47, 47.47], [18.25, 48.0], [18.47, 48.53], [19.0, 48.75], [19.53, 48.53], [19.75, 48.0], [19.53, 47.47], [19.0, 47.25], [18.47, 47.47]]]]}, "2023-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.5, 43.75], [14.97, 43.97], [14.75, 44.5], [14.97, 45.03], [15.5, 45.25], [15.75, 45.15], [16.0, 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27.63066346979093, 28.437227631773624, 28.31729640207749]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.7274751797516075, 5.365280403951783, 6.198567042441357, 5.607301130935322]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.084607918621941, 6.528444199325861, 7.684491762974915, 6.67567054669729]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4016663902595474, 1.5426631691910737, 1.7442212971344067, 1.550939849635812]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5350574513466035, 1.895641004637315, 2.153673816138621, 1.8455380553618685]}}