{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:10.485386", "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-Feb-07_to_2019-Feb-09_25.0_-4.0"}, "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": 2019020001434}, "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": "February 07 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 09 2019"}, "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": 61724.492150009915}, "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": ["Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "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": -4.0}, "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": 25.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "25.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 24.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 26.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.97, -3.47], [24.5, -3.25], [24.75, -3.35], [24.82, -3.32], [24.85, -3.25], [24.75, -3.0], [24.85, -2.75], [24.75, -2.5], [24.85, -2.25], [24.75, -2.0], [24.85, -1.75], [24.75, -1.5], [24.97, -0.97], [25.5, -0.75], [25.75, -0.85], [26.0, -0.75], [26.25, -0.85], [26.5, -0.75], [27.03, -0.97], [27.25, -1.5], [27.15, -1.75], [27.25, -2.0], [27.15, -2.25], [27.25, -2.5], [27.15, -2.75], [27.25, -3.0], [27.03, -3.53], [26.63, -3.7], [26.75, -4.0], [26.53, -4.53], [26.0, -4.75], [25.75, -4.65], [25.68, -4.68], [25.65, -4.75], [25.75, -5.0], [25.53, -5.53], [25.0, -5.75], [24.47, -5.53], [24.32, -5.18], [23.97, -5.03], [23.75, -4.5], [23.85, -4.25], [23.75, -4.0], [23.97, -3.47]]]]}, "2019-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.97, -3.47], [24.5, -3.25], [24.75, -3.35], [24.82, -3.32], [24.85, -3.25], [24.75, -3.0], [24.85, -2.75], [24.75, -2.5], [24.85, -2.25], [24.75, -2.0], [24.85, -1.75], [24.75, -1.5], [24.97, -0.97], [25.5, -0.75], [25.75, -0.85], [26.0, -0.75], [26.25, -0.85], [26.5, -0.75], [27.03, -0.97], [27.25, -1.5], [27.15, -1.75], [27.25, -2.0], [27.15, -2.25], [27.25, -2.5], [27.15, -2.75], [27.25, -3.0], [27.03, -3.53], [26.63, -3.7], [26.75, -4.0], [26.53, -4.53], [26.0, -4.75], [25.75, -4.65], [25.68, -4.68], [25.65, -4.75], [25.75, -5.0], [25.53, -5.53], [25.0, -5.75], [24.47, -5.53], [24.32, -5.18], [23.97, -5.03], [23.75, -4.5], [23.85, -4.25], [23.75, -4.0], [23.97, -3.47]]]]}, "2019-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.97, -3.47], [24.5, -3.25], [24.75, -3.35], [24.82, -3.32], [24.85, -3.25], [24.75, -3.0], [24.85, -2.75], [24.75, -2.5], [24.85, -2.25], [24.75, -2.0], [24.85, -1.75], [24.75, -1.5], [24.97, -0.97], [25.5, -0.75], [25.75, -0.85], [26.0, -0.75], [26.25, -0.85], [26.5, -0.75], [27.03, -0.97], [27.25, -1.5], [27.15, -1.75], [27.25, -2.0], [27.15, -2.25], [27.25, -2.5], [27.15, -2.75], [27.25, -3.0], [27.03, -3.53], [26.63, -3.7], [26.75, -4.0], [26.53, -4.53], [26.0, -4.75], [25.75, -4.65], [25.68, -4.68], [25.65, -4.75], [25.75, -5.0], [25.53, -5.53], [25.0, -5.75], [24.47, -5.53], [24.32, -5.18], [23.97, -5.03], [23.75, -4.5], [23.85, -4.25], [23.75, -4.0], [23.97, -3.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.540716393387015}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.327262624014894}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.849103119550193, 28.173868781458623, 27.050453232223163]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.638960322949856, 28.790170512855468, 27.510911413562667]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7990352986541183, 3.131858577992051, 2.0508939953985132]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2402182810224645, 3.540716393387015, 2.546131658129241]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5273081066326757, 2.730647879269301, 1.7834899323426119]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9476893296703184, 3.107349351982496, 2.1451434585706557]}}