{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:57.909165", "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": "2019-Jun-12_to_2019-Jun-15_22.0_33.0"}, "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": 2019060002100}, "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": "June 12 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 15 2019"}, "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": 71263.48413174618}, "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": ["Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": 33.0}, "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": 22.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 20.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 23.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 29.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 33.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.75, 31.0], [19.97, 31.53], [20.5, 31.75], [20.75, 31.65], [21.0, 31.75], [21.25, 31.65], [21.5, 31.75], [21.75, 31.65], [22.0, 31.75], [22.53, 31.53], [22.75, 31.0], [22.65, 30.75], [22.75, 30.5], [22.53, 29.97], [22.18, 29.82], [22.15, 29.75], [22.25, 29.5], [22.03, 28.97], [21.5, 28.75], [20.97, 28.97], [20.82, 29.32], [20.75, 29.35], [20.5, 29.25], [19.97, 29.47], [19.75, 30.0], [19.85, 30.25], [19.75, 30.5], [19.85, 30.75], [19.75, 31.0]]], [[[21.47, 32.47], [21.25, 33.0], [21.47, 33.53], [22.0, 33.75], [22.53, 33.53], [22.75, 33.0], [22.53, 32.47], [22.0, 32.25], [21.47, 32.47]]]]}, "2019-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.85, 30.75], [19.75, 31.0], [19.85, 31.25], [19.75, 31.5], [19.85, 31.75], [19.75, 32.0], [19.97, 32.53], [20.5, 32.75], [20.75, 32.65], [21.0, 32.75], [21.25, 32.65], [21.32, 32.68], [21.35, 32.75], [21.25, 33.0], [21.47, 33.53], [22.0, 33.75], [22.25, 33.65], [22.5, 33.75], [23.03, 33.53], [23.18, 33.18], [23.53, 33.03], [23.75, 32.5], [23.53, 31.97], [23.18, 31.82], [23.15, 31.75], [23.25, 31.5], [23.03, 30.97], [22.68, 30.82], [22.65, 30.75], [22.75, 30.5], [22.53, 29.97], [22.18, 29.82], [22.15, 29.75], [22.25, 29.5], [22.03, 28.97], [21.5, 28.75], [20.97, 28.97], [20.82, 29.32], [20.75, 29.35], [20.5, 29.25], [19.97, 29.47], [19.75, 30.0], [19.85, 30.25], [19.75, 30.5], [19.85, 30.75]]]]}, "2019-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.85, 30.75], [19.75, 31.0], [19.85, 31.25], [19.75, 31.5], [19.85, 31.75], [19.75, 32.0], [19.97, 32.53], [20.5, 32.75], [20.75, 32.65], [21.0, 32.75], [21.25, 32.65], [21.32, 32.68], [21.35, 32.75], [21.25, 33.0], [21.47, 33.53], [22.0, 33.75], [22.25, 33.65], [22.5, 33.75], [23.03, 33.53], [23.18, 33.18], [23.53, 33.03], [23.75, 32.5], [23.53, 31.97], [23.18, 31.82], [23.15, 31.75], [23.25, 31.5], [23.03, 30.97], [22.68, 30.82], [22.65, 30.75], [22.75, 30.5], [22.53, 29.97], [22.18, 29.82], [22.15, 29.75], [22.25, 29.5], [22.03, 28.97], [21.5, 28.75], [20.97, 28.97], [20.82, 29.32], [20.75, 29.35], [20.5, 29.25], [19.97, 29.47], [19.75, 30.0], [19.85, 30.25], [19.75, 30.5], [19.85, 30.75]]]]}, "2019-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.85, 31.25], [19.75, 31.5], [19.85, 31.75], [19.75, 32.0], [19.97, 32.53], [20.5, 32.75], [20.75, 32.65], [21.0, 32.75], [21.25, 32.65], [21.32, 32.68], [21.47, 33.03], [21.82, 33.18], [21.97, 33.53], [22.5, 33.75], [23.03, 33.53], [23.18, 33.18], [23.53, 33.03], [23.75, 32.5], [23.53, 31.97], [23.18, 31.82], [23.15, 31.75], [23.25, 31.5], [23.03, 30.97], [22.68, 30.82], [22.65, 30.75], [22.75, 30.5], [22.53, 29.97], [22.18, 29.82], [22.03, 29.47], [21.5, 29.25], [21.25, 29.35], [21.0, 29.25], [20.47, 29.47], [20.32, 29.82], [19.97, 29.97], [19.75, 30.5], [19.85, 30.75], [19.75, 31.0], [19.85, 31.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.92242842110943}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.084400850802087}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.74899379500937, 31.09886858899199, 31.383951241024533, 31.269076902040467]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.92519191968205, 33.88874723165435, 33.86823545348852, 33.24690296670269]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.5949304543858736, 4.168985232064855, 4.320154817738154, 3.989150007137179]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.125916637205762, 5.30811782712351, 5.92242842110943, 4.612317939441084]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3589324851860498, 1.6670547491320928, 1.7433565616610636, 1.558547861547118]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.426266829087367, 2.5852036737233712, 2.8342606193615674, 1.8163122736309611]}}