{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:58.223292", "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-Mar-28_to_2013-Mar-30_18.5_26.0"}, "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": 2013030002550}, "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 28 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 30 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 57987.849575239336}, "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": ["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": []}, "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": 26.0}, "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": 18.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "18.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 17.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 21.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-03-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.97, 26.53], [17.32, 26.68], [17.35, 26.75], [17.25, 27.0], [17.47, 27.53], [18.0, 27.75], [18.25, 27.65], [18.5, 27.75], [18.75, 27.65], [18.82, 27.68], [18.97, 28.03], [19.32, 28.18], [19.35, 28.25], [19.25, 28.5], [19.47, 29.03], [20.0, 29.25], [20.53, 29.03], [20.68, 28.68], [20.75, 28.65], [21.0, 28.75], [21.53, 28.53], [21.75, 28.0], [21.53, 27.47], [21.0, 27.25], [20.75, 27.35], [20.68, 27.32], [20.53, 26.97], [20.18, 26.82], [20.15, 26.75], [20.25, 26.5], [20.03, 25.97], [19.68, 25.82], [19.53, 25.47], [19.18, 25.32], [19.15, 25.25], [19.25, 25.0], [19.03, 24.47], [18.5, 24.25], [17.97, 24.47], [17.82, 24.82], [17.75, 24.85], [17.5, 24.75], [16.97, 24.97], [16.75, 25.5], [16.85, 25.75], [16.75, 26.0], [16.97, 26.53]]]]}, "2013-03-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.97, 26.53], [17.32, 26.68], [17.35, 26.75], [17.25, 27.0], [17.47, 27.53], [18.0, 27.75], [18.25, 27.65], [18.5, 27.75], [18.75, 27.65], [18.82, 27.68], [18.97, 28.03], [19.32, 28.18], [19.35, 28.25], [19.25, 28.5], [19.47, 29.03], [20.0, 29.25], [20.53, 29.03], [20.68, 28.68], [20.75, 28.65], [21.0, 28.75], [21.53, 28.53], [21.75, 28.0], [21.53, 27.47], [21.0, 27.25], [20.75, 27.35], [20.68, 27.32], [20.53, 26.97], [20.18, 26.82], [20.15, 26.75], [20.25, 26.5], [20.03, 25.97], [19.68, 25.82], [19.53, 25.47], [19.18, 25.32], [19.15, 25.25], [19.25, 25.0], [19.03, 24.47], [18.5, 24.25], [17.97, 24.47], [17.82, 24.82], [17.75, 24.85], [17.5, 24.75], [16.97, 24.97], [16.75, 25.5], [16.85, 25.75], [16.75, 26.0], [16.97, 26.53]]]]}, "2013-03-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.97, 26.53], [17.32, 26.68], [17.35, 26.75], [17.25, 27.0], [17.47, 27.53], [18.0, 27.75], [18.25, 27.65], [18.5, 27.75], [18.75, 27.65], [18.82, 27.68], [18.97, 28.03], [19.32, 28.18], [19.35, 28.25], [19.25, 28.5], [19.47, 29.03], [20.0, 29.25], [20.53, 29.03], [20.68, 28.68], [20.75, 28.65], [21.0, 28.75], [21.53, 28.53], [21.75, 28.0], [21.53, 27.47], [21.0, 27.25], [20.75, 27.35], [20.68, 27.32], [20.53, 26.97], [20.18, 26.82], [20.15, 26.75], [20.25, 26.5], [20.03, 25.97], [19.68, 25.82], [19.53, 25.47], [19.18, 25.32], [19.15, 25.25], [19.25, 25.0], [19.03, 24.47], [18.5, 24.25], [17.97, 24.47], [17.82, 24.82], [17.75, 24.85], [17.5, 24.75], [16.97, 24.97], [16.75, 25.5], [16.85, 25.75], [16.75, 26.0], [16.97, 26.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.874650027175562}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.8588752912300395}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.713522075205162, 29.510467882028877, 26.618093434157913]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.00239667187867, 31.178624867413816, 28.131671122018304]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.434162080314441, 9.060703684007224, 6.081760109368453]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.075214507412909, 9.874650027175562, 6.948222056582949]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4241376095096663, 2.3627780256868443, 1.5842582897314714]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.552451739422369, 2.5181896288407257, 1.7678741638276467]}}