{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:46.270336", "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": "2013-Oct-11_to_2013-Oct-14_24.0_35.0"}, "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": 2013100002031}, "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": "October 11 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 14 2013"}, "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": 51157.603891423765}, "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": ["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": 35.0}, "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": 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": 23.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.25}, "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": 35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-10-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.5, 36.25], [24.03, 36.03], [24.25, 35.5], [24.03, 34.97], [23.5, 34.75], [22.97, 34.97], [22.75, 35.5], [22.97, 36.03], [23.5, 36.25]]]]}, "2013-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 36.03], [23.5, 36.25], [24.03, 36.03], [24.18, 35.68], [24.25, 35.65], [24.5, 35.75], [24.75, 35.65], [25.0, 35.75], [25.53, 35.53], [25.68, 35.18], [26.03, 35.03], [26.18, 34.68], [26.53, 34.53], [26.75, 34.0], [26.65, 33.75], [26.75, 33.5], [26.65, 33.25], [26.75, 33.0], [26.53, 32.47], [26.0, 32.25], [25.75, 32.35], [25.5, 32.25], [25.25, 32.35], [25.0, 32.25], [24.47, 32.47], [24.25, 33.0], [24.35, 33.25], [24.32, 33.32], [24.25, 33.35], [24.0, 33.25], [23.47, 33.47], [23.25, 34.0], [23.35, 34.25], [23.32, 34.32], [22.97, 34.47], [22.75, 35.0], [22.85, 35.25], [22.75, 35.5], [22.97, 36.03]]]]}, "2013-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 36.03], [23.5, 36.25], [24.03, 36.03], [24.18, 35.68], [24.25, 35.65], [24.5, 35.75], [24.75, 35.65], [25.0, 35.75], [25.53, 35.53], [25.68, 35.18], [26.03, 35.03], [26.18, 34.68], [26.53, 34.53], [26.75, 34.0], [26.65, 33.75], [26.75, 33.5], [26.65, 33.25], [26.75, 33.0], [26.53, 32.47], [26.0, 32.25], [25.75, 32.35], [25.5, 32.25], [25.25, 32.35], [25.0, 32.25], [24.47, 32.47], [24.25, 33.0], [24.35, 33.25], [24.32, 33.32], [24.25, 33.35], [24.0, 33.25], [23.47, 33.47], [23.25, 34.0], [23.35, 34.25], [23.32, 34.32], [22.97, 34.47], [22.75, 35.0], [22.85, 35.25], [22.75, 35.5], [22.97, 36.03]]]]}, "2013-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.75, 35.0], [22.97, 35.53], [23.5, 35.75], [23.75, 35.65], [24.0, 35.75], [24.25, 35.65], [24.5, 35.75], [24.75, 35.65], [25.0, 35.75], [25.53, 35.53], [25.68, 35.18], [26.03, 35.03], [26.18, 34.68], [26.53, 34.53], [26.75, 34.0], [26.65, 33.75], [26.75, 33.5], [26.65, 33.25], [26.75, 33.0], [26.53, 32.47], [26.0, 32.25], [25.75, 32.35], [25.5, 32.25], [25.25, 32.35], [25.0, 32.25], [24.47, 32.47], [24.25, 33.0], [24.35, 33.25], [24.32, 33.32], [24.25, 33.35], [24.0, 33.25], [23.47, 33.47], [23.25, 34.0], [23.35, 34.25], [23.32, 34.32], [22.97, 34.47], [22.75, 35.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6293858219443678}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8955757611513253}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.514761705084084, 24.502969477540603, 24.411334616958925, 24.22603591300856]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.514761705084084, 24.929651530939452, 24.93371137086274, 24.81042044266968]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.079333998106847, 1.9859706537024067, 1.9615442816929005, 1.7213112085824491]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.079333998106847, 3.6293858219443678, 2.8929719643373346, 2.3215052727852026]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4257159749649437, 1.6328893261430473, 1.6395239710502427, 1.426860312770133]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4257159749649437, 2.4424194773478622, 2.094257723263826, 1.731745124695739]}}