{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:54:03.668405", "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-Dec-06_to_2024-Dec-09_15.5_-2.5"}, "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": 2024120001213}, "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": "December 06 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 09 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": 237764.6115727736}, "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", "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": -2.5}, "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": 15.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 19.75}, "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": 0.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.47, -2.97], [14.0, -2.75], [14.25, -2.85], [14.38, -2.8], [14.25, -2.5], [14.47, -1.97], [14.82, -1.82], [14.97, -1.47], [15.5, -1.25], [16.03, -1.47], [16.25, -2.0], [16.15, -2.25], [16.25, -2.5], [16.15, -2.75], [16.25, -3.0], [16.03, -3.53], [15.5, -3.75], [15.2, -3.62], [15.04, -4.0], [15.25, -4.5], [15.03, -5.03], [14.5, -5.25], [13.97, -5.03], [13.82, -4.68], [13.47, -4.53], [13.25, -4.0], [13.35, -3.75], [13.25, -3.5], [13.47, -2.97]]]]}, "2024-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.47, -2.97], [14.0, -2.75], [14.25, -2.85], [14.32, -2.82], [14.35, -2.75], [14.25, -2.5], [14.47, -1.97], [14.82, -1.82], [14.97, -1.47], [15.32, -1.32], [15.35, -1.25], [15.25, -1.0], [15.47, -0.47], [15.82, -0.32], [15.97, 0.03], [16.32, 0.18], [16.47, 0.53], [16.82, 0.68], [16.97, 1.03], [17.5, 1.25], [17.75, 1.15], [18.0, 1.25], [18.53, 1.03], [18.68, 0.68], [19.03, 0.53], [19.18, 0.18], [19.25, 0.15], [19.5, 0.25], [20.03, 0.03], [20.25, -0.5], [20.15, -0.75], [20.25, -1.0], [20.15, -1.25], [20.25, -1.5], [20.15, -1.75], [20.25, -2.0], [20.04, -2.5], [20.25, -3.0], [20.03, -3.53], [19.68, -3.68], [19.65, -3.75], [19.75, -4.0], [19.53, -4.53], [19.18, -4.68], [19.15, -4.75], [19.25, -5.0], [19.03, -5.53], [18.5, -5.75], [17.97, -5.53], [17.82, -5.18], [17.47, -5.03], [17.32, -4.68], [17.25, -4.65], [17.0, -4.75], [16.47, -4.53], [16.32, -4.18], [16.25, -4.15], [16.18, -4.18], [16.03, -4.53], [15.5, -4.75], [15.2, -4.62], [15.03, -5.03], [14.5, -5.25], [13.97, -5.03], [13.82, -4.68], [13.47, -4.53], [13.25, -4.0], [13.35, -3.75], [13.25, -3.5], [13.47, -2.97]]]]}, "2024-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.47, -2.97], [14.0, -2.75], [14.25, -2.85], [14.32, -2.82], [14.35, -2.75], [14.25, -2.5], [14.47, -1.97], [14.82, -1.82], [14.97, -1.47], [15.32, -1.32], [15.35, -1.25], [15.25, -1.0], [15.47, -0.47], [15.82, -0.32], [15.97, 0.03], [16.32, 0.18], [16.47, 0.53], [16.82, 0.68], [16.97, 1.03], [17.5, 1.25], [17.75, 1.15], [18.0, 1.25], [18.53, 1.03], [18.68, 0.68], [19.03, 0.53], [19.18, 0.18], [19.25, 0.15], [19.5, 0.25], [20.03, 0.03], [20.25, -0.5], [20.15, -0.75], [20.25, -1.0], [20.15, -1.25], [20.25, -1.5], [20.15, -1.75], [20.25, -2.0], [20.04, -2.5], [20.25, -3.0], [20.03, -3.53], [19.68, -3.68], [19.65, -3.75], [19.75, -4.0], [19.53, -4.53], [19.18, -4.68], [19.15, -4.75], [19.25, -5.0], [19.03, -5.53], [18.5, -5.75], [17.97, -5.53], [17.82, -5.18], [17.47, -5.03], [17.32, -4.68], [17.25, -4.65], [17.0, -4.75], [16.47, -4.53], [16.32, -4.18], [16.25, -4.15], [16.18, -4.18], [16.03, -4.53], [15.5, -4.75], [15.2, -4.62], [15.03, -5.03], [14.5, -5.25], [13.97, -5.03], [13.82, -4.68], [13.47, -4.53], [13.25, -4.0], [13.35, -3.75], [13.25, -3.5], [13.47, -2.97]]]]}, "2024-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.47, -2.97], [14.0, -2.75], [14.25, -2.85], [14.32, -2.82], [14.47, -2.47], [14.82, -2.32], [14.85, -2.25], [14.75, -2.0], [14.97, -1.47], [15.32, -1.32], [15.35, -1.25], [15.25, -1.0], [15.47, -0.47], [15.82, -0.32], [15.97, 0.03], [16.32, 0.18], [16.47, 0.53], [16.82, 0.68], [16.97, 1.03], [17.5, 1.25], [17.75, 1.15], [18.0, 1.25], [18.53, 1.03], [18.68, 0.68], [19.03, 0.53], [19.18, 0.18], [19.25, 0.15], [19.5, 0.25], [20.03, 0.03], [20.25, -0.5], [20.15, -0.75], [20.25, -1.0], [20.15, -1.25], [20.25, -1.5], [20.15, -1.75], [20.25, -2.0], [20.04, -2.5], [20.25, -3.0], [20.03, -3.53], [19.68, -3.68], [19.65, -3.75], [19.75, -4.0], [19.53, -4.53], [19.18, -4.68], [19.15, -4.75], [19.25, -5.0], [19.03, -5.53], [18.5, -5.75], [17.97, -5.53], [17.82, -5.18], [17.47, -5.03], [17.32, -4.68], [17.25, -4.65], [17.0, -4.75], [16.47, -4.53], [16.32, -4.18], [16.25, -4.15], [16.18, -4.18], [16.03, -4.53], [15.5, -4.75], [15.2, -4.62], [15.03, -5.03], [14.5, -5.25], [13.97, -5.03], [13.82, -4.68], [13.47, -4.53], [13.25, -4.0], [13.35, -3.75], [13.25, -3.5], [13.47, -2.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.738984364216492}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6456434591795317}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.254988606770837, 26.554195311575256, 26.75017298908972, 26.890799927293187]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.464095052083337, 28.01150029500326, 28.31674728393557, 28.01333389282229]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.243596647113975, 1.5060731726018288, 1.6922367361320954, 1.7821645675697975]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.688327502199968, 2.3465897564072975, 2.2086051245894396, 2.738984364216492]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.515851202709582, 1.729368539983986, 1.9427364958732716, 2.0600543925744184]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.052277217168964, 2.7045439683118717, 2.634194836474043, 3.054196895987419]}}