{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:04:01.163855", "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": "2025-Mar-05_to_2025-Mar-08_32.5_35.5"}, "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": 2025030001288}, "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 05 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 08 2025"}, "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": 101053.78788084775}, "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": ["Greece", "T\u00fcrkiye"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe", "Asia"]}, "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": ["Anaximander Ridge", "Mediterranean 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": 35.5}, "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": 32.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 32.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 33.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[32.25, 33.35], [32.0, 33.25], [31.75, 33.35], [31.5, 33.25], [31.25, 33.35], [31.18, 33.32], [31.03, 32.97], [30.5, 32.75], [29.97, 32.97], [29.82, 33.32], [29.47, 33.47], [29.32, 33.82], [28.97, 33.97], [28.82, 34.32], [28.47, 34.47], [28.25, 35.0], [28.35, 35.25], [28.25, 35.5], [28.35, 35.75], [28.25, 36.0], [28.47, 36.53], [29.0, 36.75], [29.25, 36.65], [29.38, 36.7], [29.25, 37.0], [29.47, 37.53], [30.0, 37.75], [30.5, 37.54], [31.0, 37.75], [31.53, 37.53], [31.75, 37.0], [31.65, 36.75], [31.68, 36.68], [31.75, 36.65], [32.0, 36.75], [32.53, 36.53], [32.68, 36.18], [33.03, 36.03], [33.25, 35.5], [33.04, 35.0], [33.25, 34.5], [33.15, 34.25], [33.25, 34.0], [33.03, 33.47], [32.5, 33.25], [32.25, 33.35]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-03-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.25, 35.5], [28.35, 35.75], [28.25, 36.0], [28.47, 36.53], [29.0, 36.75], [29.25, 36.65], [29.5, 36.75], [29.75, 36.65], [29.82, 36.68], [29.97, 37.03], [30.32, 37.18], [30.47, 37.53], [31.0, 37.75], [31.53, 37.53], [31.75, 37.0], [31.65, 36.75], [31.68, 36.68], [31.75, 36.65], [32.0, 36.75], [32.53, 36.53], [32.68, 36.18], [33.03, 36.03], [33.25, 35.5], [33.04, 35.0], [33.25, 34.5], [33.15, 34.25], [33.25, 34.0], [33.03, 33.47], [32.5, 33.25], [32.25, 33.35], [32.0, 33.25], [31.75, 33.35], [31.5, 33.25], [31.25, 33.35], [31.18, 33.32], [31.03, 32.97], [30.5, 32.75], [29.97, 32.97], [29.82, 33.32], [29.47, 33.47], [29.32, 33.82], [28.97, 33.97], [28.82, 34.32], [28.47, 34.47], [28.25, 35.0], [28.35, 35.25], [28.25, 35.5]]]]}, "2025-03-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.25, 35.5], [28.35, 35.75], [28.25, 36.0], [28.47, 36.53], [29.0, 36.75], [29.25, 36.65], [29.38, 36.7], [29.25, 37.0], [29.47, 37.53], [30.0, 37.75], [30.5, 37.54], [31.0, 37.75], [31.53, 37.53], [31.75, 37.0], [31.65, 36.75], [31.68, 36.68], [31.75, 36.65], [32.0, 36.75], [32.53, 36.53], [32.68, 36.18], [33.03, 36.03], [33.25, 35.5], [33.04, 35.0], [33.25, 34.5], [33.15, 34.25], [33.25, 34.0], [33.03, 33.47], [32.5, 33.25], [32.25, 33.35], [32.0, 33.25], [31.75, 33.35], [31.5, 33.25], [31.25, 33.35], [31.18, 33.32], [31.03, 32.97], [30.5, 32.75], [29.97, 32.97], [29.82, 33.32], [29.47, 33.47], [29.32, 33.82], [28.97, 33.97], [28.82, 34.32], [28.47, 34.47], [28.25, 35.0], [28.35, 35.25], [28.25, 35.5]]]]}, "2025-03-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.25, 35.5], [28.35, 35.75], [28.25, 36.0], [28.47, 36.53], [29.0, 36.75], [29.25, 36.65], [29.38, 36.7], [29.25, 37.0], [29.47, 37.53], [30.0, 37.75], [30.5, 37.54], [31.0, 37.75], [31.53, 37.53], [31.75, 37.0], [31.65, 36.75], [31.68, 36.68], [31.75, 36.65], [32.0, 36.75], [32.53, 36.53], [32.68, 36.18], [33.03, 36.03], [33.25, 35.5], [33.04, 35.0], [33.25, 34.5], [33.15, 34.25], [33.25, 34.0], [33.03, 33.47], [32.5, 33.25], [32.25, 33.35], [32.0, 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t2m anomaly recorded over entire duration", "value": 6.008342335581915}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.3565020758281903}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.10968886258314, 17.118432108561137, 17.239887237548828, 15.606248982747388]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.82543207804366, 17.926545715332054, 18.257032012939476, 17.45857645670577]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0523018784796294, 2.3886328531340935, 2.567696910093224, 2.721818683109757]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2513042464651676, 4.732406007216866, 6.008342335581915, 5.1335182156879]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.372394599360988, 1.5192091871742754, 1.5850739659831448, 1.255384133476158]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5911660213973422, 1.8274972741766125, 1.7507841437368228, 1.3803809782040057]}}