{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:18:57.598243", "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": "2022-Mar-08_to_2022-Mar-10_15.0_2.0"}, "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": 2022030001706}, "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": "March 08 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 10 2022"}, "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": 58638.23368793185}, "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": ["Cameroon", "Central African Republic", "Congo"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "Africa", "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": 2.0}, "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": 15.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 14.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 16.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 2.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[13.97, 3.53], [14.32, 3.68], [14.47, 4.03], [14.82, 4.18], [14.85, 4.25], [14.75, 4.5], [14.97, 5.03], [15.5, 5.25], [15.75, 5.15], [16.0, 5.25], [16.53, 5.03], [16.68, 4.68], [17.03, 4.53], [17.25, 4.0], [17.04, 3.5], [17.25, 3.0], [17.03, 2.47], [16.68, 2.32], [16.53, 1.97], [16.18, 1.82], [16.03, 1.47], [15.5, 1.25], [15.25, 1.35], [15.0, 1.25], [14.75, 1.35], [14.5, 1.25], [14.25, 1.35], [14.0, 1.25], [13.47, 1.47], [13.25, 2.0], [13.47, 2.53], [13.82, 2.68], [13.85, 2.75], [13.75, 3.0], [13.97, 3.53]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.85, 2.75], [13.75, 3.0], [13.97, 3.53], [14.32, 3.68], [14.47, 4.03], [14.82, 4.18], [14.85, 4.25], [14.75, 4.5], [14.97, 5.03], [15.5, 5.25], [15.75, 5.15], [16.0, 5.25], [16.53, 5.03], [16.68, 4.68], [17.03, 4.53], [17.25, 4.0], [17.04, 3.5], [17.25, 3.0], [17.03, 2.47], [16.68, 2.32], [16.53, 1.97], [16.18, 1.82], [16.03, 1.47], [15.5, 1.25], [15.25, 1.35], [15.0, 1.25], [14.75, 1.35], [14.5, 1.25], [14.25, 1.35], [14.0, 1.25], [13.47, 1.47], [13.25, 2.0], [13.47, 2.53], [13.82, 2.68], [13.85, 2.75]]]]}, "2022-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.85, 2.75], [13.75, 3.0], [13.97, 3.53], [14.32, 3.68], [14.47, 4.03], [14.82, 4.18], [14.85, 4.25], [14.75, 4.5], [14.97, 5.03], [15.5, 5.25], [15.75, 5.15], [16.0, 5.25], [16.53, 5.03], [16.68, 4.68], [17.03, 4.53], [17.25, 4.0], [17.04, 3.5], [17.25, 3.0], [17.03, 2.47], [16.68, 2.32], [16.53, 1.97], [16.18, 1.82], [16.03, 1.47], [15.5, 1.25], [15.25, 1.35], [15.0, 1.25], [14.75, 1.35], [14.5, 1.25], [14.25, 1.35], [14.0, 1.25], [13.47, 1.47], [13.25, 2.0], [13.47, 2.53], [13.82, 2.68], [13.85, 2.75]]]]}, "2022-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.85, 2.75], [13.75, 3.0], [13.97, 3.53], [14.32, 3.68], [14.47, 4.03], [14.82, 4.18], [14.85, 4.25], [14.75, 4.5], [14.97, 5.03], [15.5, 5.25], [15.75, 5.15], [16.0, 5.25], [16.53, 5.03], [16.68, 4.68], [17.03, 4.53], [17.25, 4.0], [17.04, 3.5], [17.25, 3.0], [17.03, 2.47], [16.68, 2.32], [16.53, 1.97], [16.18, 1.82], [16.03, 1.47], [15.5, 1.25], [15.25, 1.35], [15.0, 1.25], [14.75, 1.35], [14.5, 1.25], [14.25, 1.35], [14.0, 1.25], [13.47, 1.47], [13.25, 2.0], [13.47, 2.53], [13.82, 2.68], [13.85, 2.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.276510672398331}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1050471693472645}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.3420470940344, 27.826828430669764, 27.620760628191476]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.245089934194027, 29.003331382881527, 28.823734887546266]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8165667514497272, 2.336652321508974, 2.1619224350830923]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.229641338453291, 3.0821106844606447, 3.276510672398331]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4711085170918698, 1.8962047115746974, 1.7691183436532036]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.83417803326042, 2.520105913433666, 2.5020894450681883]}}