{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:27.033366", "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": "2024-Jun-12_to_2024-Jun-15_8.0_9.0"}, "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": 2024060001681}, "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 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 15 2024"}, "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": 155750.9177964269}, "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": ["Nigeria"]}, "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": 9.0}, "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": 8.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "8.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 3.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 9.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[4.5, 11.25], [5.03, 11.03], [5.25, 10.5], [5.15, 10.25], [5.2, 10.13], [5.32, 10.18], [5.47, 10.53], [5.82, 10.68], [5.97, 11.03], 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{"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[3.47, 10.53], [3.82, 10.68], [3.97, 11.03], [4.5, 11.25], [5.03, 11.03], [5.25, 10.5], [5.15, 10.25], [5.2, 10.13], [5.32, 10.18], [5.47, 10.53], [5.82, 10.68], [5.97, 11.03], [6.5, 11.25], [6.75, 11.15], [7.0, 11.25], [7.53, 11.03], [7.75, 10.5], [7.63, 10.2], [8.03, 10.03], [8.18, 9.68], [8.25, 9.65], [8.5, 9.75], [9.03, 9.53], [9.18, 9.18], [9.53, 9.03], [9.68, 8.68], [10.03, 8.53], [10.25, 8.0], [10.03, 7.47], [9.68, 7.32], [9.53, 6.97], [9.0, 6.75], [8.75, 6.85], [8.5, 6.75], [8.25, 6.85], [8.0, 6.75], [7.75, 6.85], [7.68, 6.82], [7.53, 6.47], [7.0, 6.25], [6.75, 6.35], [6.5, 6.25], [5.97, 6.47], [5.75, 7.0], [5.96, 7.5], [5.82, 7.82], [5.75, 7.85], [5.5, 7.75], [4.97, 7.97], [4.82, 8.32], [4.75, 8.35], [4.5, 8.25], [3.97, 8.47], [3.82, 8.82], [3.75, 8.85], [3.5, 8.75], [2.97, 8.97], 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recorded over entire duration", "value": 4.2998036598132785}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1863470402985965}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.61918063784384, 30.02201113371376, 28.348330409191192, 27.46454140892928]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.45848897167008, 32.864925436282135, 31.668488529101637, 29.09962511537475]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7093983828971622, 3.3654104951900505, 1.726506282147626, 1.3854171481564836]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.242410997387367, 4.2998036598132785, 2.7968735148839983, 1.6780162133502472]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9296689827886955, 3.7845784412984553, 1.9326843596446088, 1.6269512894711162]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.6286037507570352, 4.834029706713998, 2.6584357768148332, 2.0025020554682587]}}