{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:53:19.510062", "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-Sep-30_to_2024-Oct-02_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": 2024090002333}, "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": "September 30 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 02 2024"}, "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": 55561.97407170204}, "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", "Gabon"]}, "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": 11.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 16.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -3.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.25, -3.0], [11.47, -2.47], [12.0, -2.25], [12.5, -2.46], [13.0, -2.25], [13.25, -2.35], [13.32, -2.32], [13.47, -1.97], [14.0, -1.75], [14.25, -1.85], [14.5, -1.75], [14.75, -1.85], [15.0, -1.75], [15.25, -1.85], [15.5, -1.75], [15.75, -1.85], [16.0, -1.75], [16.53, -1.97], [16.68, -2.32], [17.03, -2.47], [17.25, -3.0], [17.03, -3.53], [16.5, -3.75], [16.25, -3.65], [16.0, -3.75], [15.75, -3.65], [15.5, -3.75], [15.25, -3.65], [15.18, -3.68], [15.03, -4.03], [14.5, -4.25], [14.25, -4.15], [14.0, -4.25], [13.75, -4.15], [13.5, -4.25], [13.25, -4.15], [13.0, -4.25], [12.75, -4.15], [12.5, -4.25], [11.97, -4.03], [11.82, -3.68], [11.47, -3.53], [11.25, -3.0]]]]}, "2024-10-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.25, -3.0], [11.47, -2.47], [12.0, -2.25], [12.5, -2.46], [13.0, -2.25], [13.25, -2.35], [13.32, -2.32], [13.47, -1.97], [14.0, -1.75], [14.25, -1.85], [14.5, -1.75], [14.75, -1.85], [15.0, -1.75], [15.25, -1.85], [15.5, -1.75], [15.75, -1.85], [16.0, -1.75], [16.53, -1.97], [16.68, -2.32], [17.03, -2.47], [17.25, -3.0], [17.03, -3.53], [16.5, -3.75], [16.25, -3.65], [16.0, -3.75], [15.75, -3.65], [15.5, -3.75], [15.25, -3.65], [15.18, -3.68], [15.03, -4.03], [14.5, -4.25], [14.25, -4.15], [14.0, -4.25], [13.75, -4.15], [13.5, -4.25], [13.25, -4.15], [13.0, -4.25], [12.75, -4.15], [12.5, -4.25], [11.97, -4.03], [11.82, -3.68], [11.47, -3.53], [11.25, -3.0]]]]}, "2024-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.25, -3.0], [11.47, -2.47], [12.0, -2.25], [12.5, -2.46], [13.0, -2.25], [13.25, -2.35], [13.32, -2.32], [13.47, -1.97], [14.0, -1.75], [14.25, -1.85], [14.5, -1.75], [14.75, -1.85], [15.0, -1.75], [15.25, -1.85], [15.5, -1.75], [15.75, -1.85], [16.0, -1.75], [16.53, -1.97], [16.68, -2.32], [17.03, -2.47], [17.25, -3.0], [17.03, -3.53], [16.5, -3.75], [16.25, -3.65], [16.0, -3.75], [15.75, -3.65], [15.5, -3.75], [15.25, -3.65], [15.18, -3.68], [15.03, -4.03], [14.5, -4.25], [14.25, -4.15], [14.0, -4.25], [13.75, -4.15], [13.5, -4.25], [13.25, -4.15], [13.0, -4.25], [12.75, -4.15], [12.5, -4.25], [11.97, -4.03], [11.82, -3.68], [11.47, -3.53], [11.25, -3.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.1615438964826694}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5630276827033451}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.04535262496381, 25.98640650996458, 25.649960807517743]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.544046020507835, 27.69360504150393, 27.169998423258505]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7289957878467135, 1.6492151863665754, 1.3108720738967463]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0267718616495927, 2.1615438964826694, 1.6786873769873978]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.051766481369905, 1.9520476568581335, 1.5562316564498873]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.368121393400745, 2.5936407148300162, 1.8021540615349048]}}