{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:46.731334", "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": "2023-Mar-31_to_2023-Apr-03_27.0_38.0"}, "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": 2023030002682}, "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 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 03 2023"}, "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": 67189.1003687256}, "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", "Turkiye"]}, "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": ["Asia", "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"]}, "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": 38.0}, "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": 27.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "27.0\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": 27.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.75}, "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": {"2023-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 38.97], [22.75, 39.5], [22.97, 40.03], [23.5, 40.25], [23.75, 40.15], [24.0, 40.25], [24.53, 40.03], [24.75, 39.5], [24.53, 38.97], [24.0, 38.75], [23.75, 38.85], [23.5, 38.75], [22.97, 38.97]]]]}, "2023-04-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 38.97], [22.75, 39.5], [22.97, 40.03], [23.5, 40.25], [23.75, 40.15], [23.82, 40.18], [23.97, 40.53], [24.5, 40.75], [24.75, 40.65], [25.0, 40.75], [25.25, 40.65], [25.5, 40.75], [25.75, 40.65], [26.0, 40.75], [26.25, 40.65], [26.5, 40.75], [26.75, 40.65], [27.0, 40.75], [27.53, 40.53], [27.75, 40.0], [27.53, 39.47], [27.18, 39.32], [27.15, 39.25], [27.25, 39.0], [27.15, 38.75], [27.18, 38.68], [27.53, 38.53], [27.75, 38.0], [27.53, 37.47], [27.0, 37.25], [26.75, 37.35], [26.5, 37.25], [26.25, 37.35], [26.0, 37.25], [25.75, 37.35], [25.5, 37.25], [25.25, 37.35], [25.0, 37.25], [24.47, 37.47], [24.32, 37.82], [23.97, 37.97], [23.75, 38.5], [23.85, 38.75], [23.82, 38.82], [23.75, 38.85], [23.5, 38.75], [22.97, 38.97]]]]}, "2023-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.97, 38.97], [22.75, 39.5], [22.97, 40.03], [23.5, 40.25], [23.75, 40.15], [23.82, 40.18], [23.97, 40.53], [24.5, 40.75], [24.75, 40.65], [25.0, 40.75], [25.25, 40.65], [25.5, 40.75], [25.75, 40.65], [26.0, 40.75], [26.25, 40.65], [26.5, 40.75], [26.75, 40.65], [27.0, 40.75], [27.53, 40.53], [27.75, 40.0], [27.53, 39.47], [27.18, 39.32], [27.15, 39.25], [27.25, 39.0], [27.15, 38.75], [27.18, 38.68], [27.53, 38.53], [27.75, 38.0], [27.53, 37.47], [27.0, 37.25], [26.75, 37.35], [26.5, 37.25], [26.25, 37.35], [26.0, 37.25], [25.75, 37.35], [25.5, 37.25], [25.25, 37.35], [25.0, 37.25], [24.47, 37.47], [24.32, 37.82], [23.97, 37.97], [23.75, 38.5], [23.85, 38.75], [23.82, 38.82], [23.75, 38.85], [23.5, 38.75], [22.97, 38.97]]]]}, "2023-04-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.85, 39.25], [23.75, 39.5], [23.85, 39.75], [23.75, 40.0], [23.97, 40.53], [24.5, 40.75], [24.75, 40.65], [25.0, 40.75], [25.25, 40.65], [25.5, 40.75], [25.75, 40.65], [26.0, 40.75], [26.25, 40.65], [26.5, 40.75], [26.75, 40.65], [27.0, 40.75], [27.53, 40.53], [27.75, 40.0], [27.53, 39.47], [27.18, 39.32], [27.15, 39.25], [27.25, 39.0], [27.15, 38.75], [27.18, 38.68], [27.53, 38.53], [27.75, 38.0], [27.53, 37.47], [27.0, 37.25], [26.75, 37.35], [26.5, 37.25], [26.25, 37.35], [26.0, 37.25], [25.75, 37.35], [25.5, 37.25], [25.25, 37.35], [25.0, 37.25], [24.47, 37.47], [24.32, 37.82], [23.97, 37.97], [23.75, 38.5], [23.85, 38.75], [23.75, 39.0], [23.85, 39.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.975022737814072}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.977632534844312}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.923166867180612, 16.231585759583766, 15.8725508077668, 16.261789830370446]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.946150116851129, 17.198683015762526, 17.03012442874109, 18.039853777240864]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.1411111268455727, 3.172194108947553, 2.746965906636642, 3.0808627014182153]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.145546429783735, 4.898945053384239, 4.304708759806431, 4.975022737814072]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1679690113271457, 1.614573554145328, 1.3900794270333432, 1.5436392592509167]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1802639884285349, 2.078754630778283, 1.5691750731190481, 2.1450878120008845]}}