{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:39.569178", "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-Feb-05_to_2013-Feb-07_26.0_-7.0"}, "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": 2013020001376}, "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 05 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 07 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": 61493.48970058487}, "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": -7.0}, "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": 26.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "26.0\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": 27.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.97, -4.47], [24.5, -4.25], [24.75, -4.35], [25.0, -4.25], [25.3, -4.37], [25.47, -3.97], [26.0, -3.75], [26.53, -3.97], [26.68, -4.32], [27.03, -4.47], [27.18, -4.82], [27.53, -4.97], [27.75, -5.5], [27.53, -6.03], [27.18, -6.18], [27.03, -6.53], [26.68, -6.68], [26.65, -6.75], [26.75, -7.0], [26.53, -7.53], [26.0, -7.75], [25.75, -7.65], [25.68, -7.68], [25.53, -8.03], [25.0, -8.25], [24.47, -8.03], [24.25, -7.5], [24.35, -7.25], [24.25, -7.0], [24.35, -6.75], [24.25, -6.5], [24.38, -6.2], [23.97, -6.03], [23.75, -5.5], [23.85, -5.25], [23.75, -5.0], [23.97, -4.47]]]]}, "2013-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.97, -4.47], [24.5, -4.25], [24.75, -4.35], [25.0, -4.25], [25.3, -4.37], [25.47, -3.97], [26.0, -3.75], [26.53, -3.97], [26.68, -4.32], [27.03, -4.47], [27.18, -4.82], [27.53, -4.97], [27.75, -5.5], [27.53, -6.03], [27.18, -6.18], [27.03, -6.53], [26.68, -6.68], [26.65, -6.75], [26.75, -7.0], [26.53, -7.53], [26.0, -7.75], [25.75, -7.65], [25.68, -7.68], [25.53, -8.03], [25.0, -8.25], [24.47, -8.03], [24.25, -7.5], [24.35, -7.25], [24.25, -7.0], [24.35, -6.75], [24.25, -6.5], [24.38, -6.2], [23.97, -6.03], [23.75, -5.5], [23.85, -5.25], [23.75, -5.0], [23.97, -4.47]]]]}, "2013-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.97, -4.47], [24.5, -4.25], [24.75, -4.35], [25.0, -4.25], [25.3, -4.37], [25.47, -3.97], [26.0, -3.75], [26.53, -3.97], [26.68, -4.32], [27.03, -4.47], [27.18, -4.82], [27.53, -4.97], [27.75, -5.5], [27.53, -6.03], [27.18, -6.18], [27.03, -6.53], [26.68, -6.68], [26.65, -6.75], [26.75, -7.0], [26.53, -7.53], [26.0, -7.75], [25.75, -7.65], [25.68, -7.68], [25.53, -8.03], [25.0, -8.25], [24.47, -8.03], [24.25, -7.5], [24.35, -7.25], [24.25, -7.0], [24.35, -6.75], [24.25, -6.5], [24.38, -6.2], [23.97, -6.03], [23.75, -5.5], [23.85, -5.25], [23.75, -5.0], [23.97, -4.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5332909621917565}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0431086710921136}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.929932135210947, 26.32641860498711, 26.043820477189286]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.879140479843613, 27.199699149137416, 26.728534332199786]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8868690407683801, 2.261591001410906, 1.9808659710970544]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.125253880742207, 2.5332909621917565, 2.469157204201224]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6224840034642374, 1.9755441782413992, 1.778901564610727]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8449220658413439, 2.153655634639115, 2.2079385129502893]}}