{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:13.961418", "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-Nov-27_to_2013-Nov-30_13.5_-19.0"}, "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": 2013110002591}, "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": "November 27 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 30 2013"}, "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": 58385.62345073756}, "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": ["Namibia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Southern-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": -19.0}, "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": 13.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 12.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-11-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.97, -17.47], [12.5, -17.25], [12.75, -17.35], [13.0, -17.25], [13.53, -17.47], [13.7, -17.87], [14.0, -17.75], [14.25, -17.85], [14.5, -17.75], [15.03, -17.97], [15.18, -18.32], [15.53, -18.47], [15.68, -18.82], [16.03, -18.97], [16.25, -19.5], [16.03, -20.03], [15.68, -20.18], [15.65, -20.25], [15.75, -20.5], [15.65, -20.75], [15.75, -21.0], [15.53, -21.53], [15.0, -21.75], [14.47, -21.53], [14.25, -21.0], [14.35, -20.75], [14.32, -20.68], [14.25, -20.65], [14.0, -20.75], [13.47, -20.53], [13.25, -20.0], [13.35, -19.75], [13.32, -19.68], [12.97, -19.53], [12.82, -19.18], [12.75, -19.15], [12.5, -19.25], [11.97, -19.03], [11.75, -18.5], [11.85, -18.25], [11.75, -18.0], [11.97, -17.47]]]]}, "2013-11-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.97, -17.47], [12.5, -17.25], [12.75, -17.35], [13.0, -17.25], [13.25, -17.35], [13.5, -17.25], [14.03, -17.47], [14.18, -17.82], [14.25, -17.85], [14.5, -17.75], [15.03, -17.97], [15.18, -18.32], [15.53, -18.47], [15.68, -18.82], [16.03, -18.97], [16.25, -19.5], [16.03, -20.03], [15.68, -20.18], [15.65, -20.25], [15.75, -20.5], [15.65, -20.75], [15.75, -21.0], [15.53, -21.53], [15.0, -21.75], [14.47, -21.53], [14.25, -21.0], [14.35, -20.75], [14.32, -20.68], [14.25, -20.65], [14.0, -20.75], [13.47, -20.53], [13.25, -20.0], [13.35, -19.75], [13.32, -19.68], [12.97, -19.53], [12.82, -19.18], [12.75, -19.15], [12.5, -19.25], [11.97, -19.03], [11.75, -18.5], [11.85, -18.25], [11.75, -18.0], [11.97, -17.47]]]]}, "2013-11-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.97, -17.47], [12.5, -17.25], [12.75, -17.35], [13.0, -17.25], [13.25, -17.35], [13.5, -17.25], [14.03, -17.47], [14.18, -17.82], [14.25, -17.85], [14.5, -17.75], [15.03, -17.97], [15.18, -18.32], [15.53, -18.47], [15.68, -18.82], [16.03, -18.97], [16.25, -19.5], [16.03, -20.03], [15.68, -20.18], [15.65, -20.25], [15.75, -20.5], [15.65, -20.75], [15.75, -21.0], [15.53, -21.53], [15.0, -21.75], [14.47, -21.53], [14.25, -21.0], [14.35, -20.75], [14.32, -20.68], [14.25, -20.65], [14.0, -20.75], [13.47, -20.53], [13.25, -20.0], [13.35, -19.75], [13.32, -19.68], [12.97, -19.53], [12.82, -19.18], [12.75, -19.15], [12.5, -19.25], [11.97, -19.03], [11.75, -18.5], [11.85, -18.25], [11.75, -18.0], [11.97, -17.47]]]]}, "2013-11-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.75, -18.0], [11.97, -17.47], [12.5, -17.25], [12.75, -17.35], [13.0, -17.25], [13.25, -17.35], [13.5, -17.25], [14.03, -17.47], [14.25, -18.0], [14.04, -18.5], [14.18, -18.82], [14.25, -18.85], [14.5, -18.75], [15.03, -18.97], [15.25, -19.5], [15.15, -19.75], [15.25, -20.0], [15.03, -20.53], [14.5, -20.75], [14.25, -20.65], [14.0, -20.75], [13.47, -20.53], [13.25, -20.0], [13.35, -19.75], [13.32, -19.68], [12.97, -19.53], [12.82, -19.18], [12.47, -19.03], [12.32, -18.68], [11.97, -18.53], [11.75, -18.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.632858209399217}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.4082811898951757}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.099355099330694, 29.31387790130441, 27.69768602124418, 27.088339718572456]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.03139001247331, 30.814842847972784, 29.296811671543253, 28.534342994038184]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.315226006541686, 4.478210637736308, 2.886086014452135, 2.3875437494234513]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.750698740407188, 5.632858209399217, 3.678060287097992, 2.8882491722612826]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8057011074882474, 2.44660453225577, 1.5862200661609873, 1.396087670002121]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.7020527511752923, 3.208640802325547, 1.935600340777077, 1.6141211719887782]}}