{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:23.267143", "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-Mar-31_to_2010-Apr-03_24.0_36.5"}, "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": 2010030002476}, "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 31 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 03 2010"}, "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": 64711.49249126802}, "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"]}, "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": ["Aegean Sea", "Mediterranean Sea - Eastern Basin"]}, "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": 36.5}, "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": 24.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 22.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, 38.03], [23.0, 38.25], [23.25, 38.15], [23.5, 38.25], [23.75, 38.15], [24.0, 38.25], [24.53, 38.03], [24.68, 37.68], [24.75, 37.65], [25.0, 37.75], [25.25, 37.65], [25.5, 37.75], [26.03, 37.53], [26.18, 37.18], [26.53, 37.03], [26.75, 36.5], [26.65, 36.25], [26.68, 36.18], [27.03, 36.03], [27.25, 35.5], [27.03, 34.97], [26.5, 34.75], [26.25, 34.85], [26.0, 34.75], [25.75, 34.85], [25.5, 34.75], [25.25, 34.85], [25.0, 34.75], [24.75, 34.85], [24.5, 34.75], [24.25, 34.85], [24.0, 34.75], [23.47, 34.97], [23.25, 35.5], [23.38, 35.8], [22.97, 35.97], [22.82, 36.32], [22.47, 36.47], [22.25, 37.0], [22.35, 37.25], [22.25, 37.5], [22.47, 38.03]]]]}, "2010-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, 38.03], [23.0, 38.25], [23.25, 38.15], [23.5, 38.25], [23.75, 38.15], [24.0, 38.25], [24.53, 38.03], [24.68, 37.68], [24.75, 37.65], [25.0, 37.75], [25.25, 37.65], [25.5, 37.75], [26.03, 37.53], [26.18, 37.18], [26.53, 37.03], [26.75, 36.5], [26.65, 36.25], [26.68, 36.18], [27.03, 36.03], [27.25, 35.5], [27.03, 34.97], [26.5, 34.75], [26.25, 34.85], [26.0, 34.75], [25.75, 34.85], [25.5, 34.75], [25.25, 34.85], [25.0, 34.75], [24.75, 34.85], [24.68, 34.82], [24.53, 34.47], [24.0, 34.25], [23.47, 34.47], [23.25, 35.0], [23.35, 35.25], [23.25, 35.5], [23.38, 35.8], [22.97, 35.97], [22.82, 36.32], [22.47, 36.47], [22.25, 37.0], [22.35, 37.25], [22.25, 37.5], [22.47, 38.03]]]]}, "2010-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.47, 38.03], [23.0, 38.25], [23.25, 38.15], [23.5, 38.25], [23.75, 38.15], [24.0, 38.25], [24.53, 38.03], [24.68, 37.68], [24.75, 37.65], [25.0, 37.75], [25.25, 37.65], [25.5, 37.75], [26.03, 37.53], [26.18, 37.18], [26.53, 37.03], [26.75, 36.5], [26.65, 36.25], [26.68, 36.18], [27.03, 36.03], [27.25, 35.5], [27.03, 34.97], [26.5, 34.75], [26.25, 34.85], [26.0, 34.75], [25.75, 34.85], [25.5, 34.75], [25.25, 34.85], [25.0, 34.75], [24.75, 34.85], [24.68, 34.82], [24.53, 34.47], [24.0, 34.25], [23.47, 34.47], [23.25, 35.0], [23.35, 35.25], [23.25, 35.5], [23.38, 35.8], [22.97, 35.97], [22.82, 36.32], [22.47, 36.47], [22.25, 37.0], [22.35, 37.25], [22.25, 37.5], [22.47, 38.03]]]]}, "2010-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.53, 34.47], [24.0, 34.25], [23.47, 34.47], [23.25, 35.0], [23.47, 35.53], [24.0, 35.75], [24.53, 35.53], [24.75, 35.0], [24.53, 34.47]]], [[[23.47, 37.03], [24.0, 37.25], [24.53, 37.03], [24.75, 36.5], [24.53, 35.97], [24.0, 35.75], [23.47, 35.97], [23.25, 36.5], [23.47, 37.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.147738565833265}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.283108813180725}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.117245742966816, 16.457438257708816, 16.619632479619668, 16.427265129886678]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.146198124901275, 16.95340980516704, 17.3208784330987, 16.46068930598824]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7374276002989406, 2.0629386044122406, 2.103798171642169, 1.7973750281945513]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.147738565833265, 3.2815885125856994, 3.2435228822431554, 1.8433213335798087]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7333091248277477, 1.3766222103404917, 1.4077990202596522, 1.2718499822298117]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0983191545667434, 1.8351368397285053, 1.6234601754233025, 1.280797984792149]}}