{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:01.587090", "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": "2010-Jun-10_to_2010-Jun-16_16.5_39.5"}, "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": 2010060001844}, "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 10 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 16 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 53488.574005542716}, "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": ["Italy"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "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": ["Adriatic Sea", "Tyrrhenian Sea"]}, "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": 39.5}, "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": 16.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "16.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 12.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 16.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 43.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.35, 42.75], [12.25, 43.0], [12.47, 43.53], [13.0, 43.75], 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39.25], [17.25, 39.0], [17.03, 38.47], [16.5, 38.25], [15.97, 38.47], [15.75, 39.0], [15.85, 39.25], [15.82, 39.32], [15.75, 39.35], [15.5, 39.25], [14.97, 39.47], [14.82, 39.82], [14.47, 39.97], [14.32, 40.32], [13.97, 40.47], [13.82, 40.82], [13.75, 40.85], [13.5, 40.75], [12.97, 40.97], [12.82, 41.32], [12.47, 41.47], [12.25, 42.0], [12.35, 42.25], [12.25, 42.5], [12.35, 42.75]]]]}, "2010-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.35, 42.75], [12.25, 43.0], [12.47, 43.53], [13.0, 43.75], [13.53, 43.53], [13.68, 43.18], [14.03, 43.03], [14.18, 42.68], [14.25, 42.65], [14.5, 42.75], [15.03, 42.53], [15.2, 42.13], [15.5, 42.25], [15.75, 42.15], [16.0, 42.25], [16.53, 42.03], [16.75, 41.5], [16.65, 41.25], [16.75, 41.0], [16.65, 40.75], [16.75, 40.5], [16.65, 40.25], [16.68, 40.18], [17.03, 40.03], [17.25, 39.5], [17.15, 39.25], [17.25, 39.0], [17.03, 38.47], [16.5, 38.25], [15.97, 38.47], [15.75, 39.0], [15.85, 39.25], [15.82, 39.32], [15.75, 39.35], 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4.814968937608187}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.99860009946508, 24.659874282199155, 24.517827324966447, 24.33798817516771, 23.89132661619658, 23.751474113852964, 23.79129036082861]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.80148306676989, 30.146029463180014, 30.059375431899298, 29.682773212062273, 23.89132661619658, 23.751474113852964, 23.79129036082861]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.474935158212004, 5.262312649845319, 4.953759699162845, 4.465672067037271, 4.21599548749748, 3.9236799689119835, 3.871955041026979]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.559841503491214, 6.5032029783404255, 6.200380110191475, 5.592693400679764, 4.21599548749748, 3.9236799689119835, 3.871955041026979]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.536175553712818, 1.7703984417623333, 1.6788049093817268, 1.5481860244570234, 1.5504107294268752, 1.446259540419488, 1.449531718899607]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.757328586324076, 1.9698345473920578, 2.097574459749551, 1.9495464303863856, 1.5504107294268752, 1.446259540419488, 1.449531718899607]}}