{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:51:21.673469", "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": "2024-Mar-08_to_2024-Mar-11_11.5_33.5"}, "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": 2024030001076}, "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": "March 08 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 11 2024"}, "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": 336346.9261177404}, "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", "Tunisia"]}, "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": ["Africa", "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": ["Ionian Sea", "Mediterranean Sea - Eastern Basin", "Mediterranean Sea - Western Basin", "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": 33.5}, "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": 11.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "11.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 8.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 19.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 32.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[7.75, 34.5], [7.97, 35.03], [8.5, 35.25], [8.75, 35.15], [9.0, 35.25], [9.25, 35.15], [9.5, 35.25], [9.75, 35.15], [9.82, 35.18], [9.85, 35.25], [9.75, 35.5], [9.85, 35.75], [9.75, 36.0], [9.96, 36.5], [9.75, 37.0], [9.97, 37.53], [10.32, 37.68], [10.47, 38.03], [10.82, 38.18], [10.97, 38.53], [11.5, 38.75], [11.75, 38.65], [12.0, 38.75], [12.53, 38.53], [12.68, 38.18], [13.03, 38.03], [13.18, 37.68], [13.25, 37.65], [13.5, 37.75], [13.75, 37.65], [14.0, 37.75], [14.53, 37.53], [14.68, 37.18], [14.75, 37.15], [15.0, 37.25], [15.25, 37.15], [15.5, 37.25], [15.75, 37.15], [16.0, 37.25], [16.25, 37.15], [16.5, 37.25], [17.03, 37.03], [17.25, 36.5], [17.03, 35.97], [16.68, 35.82], [16.53, 35.47], [16.18, 35.32], [16.03, 34.97], [15.5, 34.75], [15.2, 34.88], [15.03, 34.47], [14.68, 34.32], [14.53, 33.97], [14.18, 33.82], [14.03, 33.47], [13.68, 33.32], [13.65, 33.25], [13.75, 33.0], [13.53, 32.47], [13.0, 32.25], [12.75, 32.35], [12.5, 32.25], [12.25, 32.35], [12.0, 32.25], [11.47, 32.47], [11.32, 32.82], [11.0, 32.96], [10.5, 32.75], [9.97, 32.97], [9.8, 33.38], [9.5, 33.25], [9.25, 33.35], [9.0, 33.25], [8.47, 33.47], [8.32, 33.82], [7.97, 33.97], [7.75, 34.5]]]]}, "2024-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[7.75, 34.5], [7.97, 35.03], [8.5, 35.25], [8.75, 35.15], [9.0, 35.25], [9.25, 35.15], [9.5, 35.25], [9.75, 35.15], [9.82, 35.18], [9.85, 35.25], [9.75, 35.5], [9.85, 35.75], [9.75, 36.0], [9.96, 36.5], [9.75, 37.0], [9.97, 37.53], [10.32, 37.68], [10.47, 38.03], [10.82, 38.18], [10.97, 38.53], [11.5, 38.75], [11.75, 38.65], [12.0, 38.75], [12.53, 38.53], [12.68, 38.18], [13.03, 38.03], [13.18, 37.68], [13.25, 37.65], [13.5, 37.75], [13.75, 37.65], [14.0, 37.75], [14.53, 37.53], [14.68, 37.18], [14.75, 37.15], [14.82, 37.18], [14.85, 37.25], [14.75, 37.5], [14.97, 38.03], [15.32, 38.18], [15.47, 38.53], [15.82, 38.68], [15.97, 39.03], [16.32, 39.18], [16.46, 39.5], [16.25, 40.0], [16.47, 40.53], [17.0, 40.75], [17.25, 40.65], [17.5, 40.75], [17.75, 40.65], [18.0, 40.75], [18.53, 40.53], [18.68, 40.18], [18.75, 40.15], [19.0, 40.25], [19.53, 40.03], [19.68, 39.68], [20.03, 39.53], [20.25, 39.0], [20.04, 38.5], [20.25, 38.0], [20.03, 37.47], [19.5, 37.25], [19.25, 37.35], [19.18, 37.32], [19.03, 36.97], [18.68, 36.82], [18.53, 36.47], [18.18, 36.32], [18.03, 35.97], [17.68, 35.82], [17.53, 35.47], [17.18, 35.32], [17.03, 34.97], [16.5, 34.75], [16.25, 34.85], [16.18, 34.82], [16.03, 34.47], [15.5, 34.25], [15.25, 34.35], [15.0, 34.25], [14.75, 34.35], [14.68, 34.32], [14.53, 33.97], [14.18, 33.82], [14.03, 33.47], [13.68, 33.32], [13.65, 33.25], [13.75, 33.0], [13.53, 32.47], [13.0, 32.25], [12.75, 32.35], [12.5, 32.25], [12.25, 32.35], [12.0, 32.25], [11.75, 32.35], [11.5, 32.25], [10.97, 32.47], [10.82, 32.82], [10.75, 32.85], [10.5, 32.75], [9.97, 32.97], [9.8, 33.38], [9.5, 33.25], [9.25, 33.35], [9.0, 33.25], [8.47, 33.47], [8.32, 33.82], [7.97, 33.97], [7.75, 34.5]]]]}, "2024-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[7.75, 34.5], [7.97, 35.03], [8.5, 35.25], [8.75, 35.15], [9.0, 35.25], [9.25, 35.15], [9.5, 35.25], [9.75, 35.15], [9.82, 35.18], [9.85, 35.25], [9.75, 35.5], [9.85, 35.75], [9.75, 36.0], [9.96, 36.5], [9.75, 37.0], [9.97, 37.53], [10.32, 37.68], [10.47, 38.03], [10.82, 38.18], [10.97, 38.53], [11.5, 38.75], [11.75, 38.65], [12.0, 38.75], [12.53, 38.53], [12.68, 38.18], [13.03, 38.03], [13.18, 37.68], [13.25, 37.65], [13.5, 37.75], [13.75, 37.65], [14.0, 37.75], [14.53, 37.53], [14.68, 37.18], [14.75, 37.15], [14.82, 37.18], [14.85, 37.25], [14.75, 37.5], [14.97, 38.03], [15.32, 38.18], [15.47, 38.53], [15.82, 38.68], [15.97, 39.03], [16.32, 39.18], [16.46, 39.5], [16.25, 40.0], [16.47, 40.53], [17.0, 40.75], [17.25, 40.65], [17.5, 40.75], [17.75, 40.65], [18.0, 40.75], [18.53, 40.53], [18.68, 40.18], [18.75, 40.15], [19.0, 40.25], [19.53, 40.03], [19.68, 39.68], [20.03, 39.53], [20.25, 39.0], [20.04, 38.5], [20.25, 38.0], [20.03, 37.47], [19.5, 37.25], [19.25, 37.35], [19.18, 37.32], [19.03, 36.97], [18.68, 36.82], [18.53, 36.47], [18.18, 36.32], [18.03, 35.97], [17.68, 35.82], [17.53, 35.47], [17.18, 35.32], [17.03, 34.97], [16.5, 34.75], [16.25, 34.85], [16.18, 34.82], [16.03, 34.47], [15.5, 34.25], [15.25, 34.35], [15.0, 34.25], [14.75, 34.35], [14.68, 34.32], [14.53, 33.97], [14.18, 33.82], [14.03, 33.47], [13.68, 33.32], [13.65, 33.25], [13.75, 33.0], [13.53, 32.47], [13.0, 32.25], [12.75, 32.35], [12.5, 32.25], [12.25, 32.35], [12.0, 32.25], [11.75, 32.35], [11.5, 32.25], [10.97, 32.47], [10.82, 32.82], [10.75, 32.85], [10.5, 32.75], [9.97, 32.97], [9.8, 33.38], [9.5, 33.25], [9.25, 33.35], [9.0, 33.25], [8.47, 33.47], [8.32, 33.82], [7.97, 33.97], [7.75, 34.5]]]]}, "2024-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.47, 34.03], [11.0, 34.25], [11.25, 34.15], [11.5, 34.25], [12.03, 34.03], [12.18, 33.68], [12.53, 33.53], [12.75, 33.0], [12.53, 32.47], [12.0, 32.25], [11.75, 32.35], [11.5, 32.25], [10.97, 32.47], [10.82, 32.82], [10.47, 32.97], [10.25, 33.5], [10.47, 34.03]]], [[[14.25, 36.0], [14.35, 36.25], [14.25, 36.5], [14.47, 37.03], [14.82, 37.18], [14.85, 37.25], [14.75, 37.5], [14.97, 38.03], [15.32, 38.18], [15.47, 38.53], [15.82, 38.68], [15.97, 39.03], [16.32, 39.18], [16.46, 39.5], [16.25, 40.0], [16.47, 40.53], [17.0, 40.75], [17.25, 40.65], [17.5, 40.75], [17.75, 40.65], [18.0, 40.75], [18.53, 40.53], [18.68, 40.18], [18.75, 40.15], [19.0, 40.25], [19.53, 40.03], [19.68, 39.68], [20.03, 39.53], [20.25, 39.0], [20.04, 38.5], [20.25, 38.0], [20.03, 37.47], [19.5, 37.25], [19.25, 37.35], [19.18, 37.32], [19.03, 36.97], [18.68, 36.82], [18.53, 36.47], [18.18, 36.32], [18.03, 35.97], [17.68, 35.82], [17.53, 35.47], [17.18, 35.32], [17.03, 34.97], [16.5, 34.75], [16.25, 34.85], [16.18, 34.82], [16.03, 34.47], [15.5, 34.25], [15.25, 34.35], [15.0, 34.25], [14.47, 34.47], [14.25, 35.0], [14.35, 35.25], [14.25, 35.5], [14.35, 35.75], [14.25, 36.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.262835210345258}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.658032797309662}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.826816889831207, 16.37186930063217, 17.293399134396452, 16.003228566161397]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.09560118299538, 22.711298881238406, 25.550655255411243, 19.917826821207825]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.472271149953635, 2.323580825233033, 3.247382106571169, 2.347676122398062]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.049584637186911, 6.822495808392546, 9.262835210345258, 3.658862640826783]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6291487796861461, 1.5271956350865303, 2.197339610944639, 1.5880763996353948]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2610265419370257, 2.444154072849013, 4.672061548477461, 1.880846288466898]}}