{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:46.726139", "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": "2010-Sep-27_to_2010-Sep-29_22.5_0.5"}, "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": 2010090002643}, "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 27 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 29 2010"}, "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": 120457.90261670847}, "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": ["Central African Republic", "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": 0.5}, "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": 22.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 20.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 23.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.85, 1.25], [19.75, 1.5], [19.85, 1.75], [19.75, 2.0], [19.97, 2.53], [20.32, 2.68], [20.35, 2.75], [20.25, 3.0], [20.47, 3.53], [20.82, 3.68], [20.85, 3.75], [20.75, 4.0], [20.97, 4.53], [21.32, 4.68], [21.47, 5.03], [22.0, 5.25], [22.53, 5.03], [22.75, 4.5], [22.65, 4.25], [22.7, 4.13], [23.0, 4.25], [23.53, 4.03], [23.75, 3.5], [23.65, 3.25], [23.75, 3.0], [23.65, 2.75], [23.75, 2.5], [23.54, 2.0], [23.75, 1.5], [23.65, 1.25], [23.75, 1.0], [23.65, 0.75], [23.75, 0.5], [23.65, 0.25], [23.75, 0.0], [23.53, -0.53], [23.0, -0.75], [22.75, -0.65], [22.5, -0.75], [21.97, -0.53], [21.82, -0.18], [21.75, -0.15], [21.5, -0.25], [21.25, -0.15], [21.0, -0.25], [20.75, -0.15], [20.5, -0.25], [19.97, -0.03], [19.75, 0.5], [19.85, 0.75], [19.75, 1.0], [19.85, 1.25]]]]}, "2010-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.85, 1.25], [19.75, 1.5], [19.85, 1.75], [19.75, 2.0], [19.97, 2.53], [20.32, 2.68], [20.35, 2.75], [20.25, 3.0], [20.47, 3.53], [20.82, 3.68], [20.85, 3.75], [20.75, 4.0], [20.97, 4.53], [21.32, 4.68], [21.47, 5.03], [22.0, 5.25], [22.53, 5.03], [22.75, 4.5], [22.65, 4.25], [22.7, 4.13], [23.0, 4.25], [23.53, 4.03], [23.75, 3.5], [23.65, 3.25], [23.75, 3.0], [23.65, 2.75], [23.75, 2.5], [23.54, 2.0], [23.75, 1.5], [23.65, 1.25], [23.75, 1.0], [23.65, 0.75], [23.75, 0.5], [23.65, 0.25], [23.75, 0.0], [23.53, -0.53], [23.0, -0.75], [22.75, -0.65], [22.5, -0.75], [21.97, -0.53], [21.82, -0.18], [21.75, -0.15], [21.5, -0.25], [21.25, -0.15], [21.0, -0.25], [20.75, -0.15], [20.5, -0.25], [19.97, -0.03], [19.75, 0.5], [19.85, 0.75], [19.75, 1.0], [19.85, 1.25]]]]}, "2010-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[19.85, 1.25], [19.75, 1.5], [19.85, 1.75], [19.75, 2.0], [19.97, 2.53], [20.32, 2.68], [20.35, 2.75], [20.25, 3.0], [20.47, 3.53], [20.82, 3.68], [20.85, 3.75], [20.75, 4.0], [20.97, 4.53], [21.32, 4.68], [21.47, 5.03], [22.0, 5.25], [22.53, 5.03], [22.75, 4.5], [22.65, 4.25], [22.7, 4.13], [23.0, 4.25], [23.53, 4.03], [23.75, 3.5], [23.65, 3.25], [23.75, 3.0], [23.65, 2.75], [23.75, 2.5], [23.54, 2.0], [23.75, 1.5], [23.65, 1.25], [23.75, 1.0], [23.65, 0.75], [23.75, 0.5], [23.65, 0.25], [23.75, 0.0], [23.53, -0.53], [23.0, -0.75], [22.75, -0.65], [22.5, -0.75], [21.97, -0.53], [21.82, -0.18], [21.75, -0.15], [21.5, -0.25], [21.25, -0.15], [21.0, -0.25], [20.75, -0.15], [20.5, -0.25], [19.97, -0.03], [19.75, 0.5], [19.85, 0.75], [19.75, 1.0], [19.85, 1.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.272683820650286}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.568328500949651}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.701784645681812, 26.152581229173904, 25.96559308617742]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.53433463903258, 27.167328318030627, 26.886225266155577]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.3188037807814867, 1.7961171310895772, 1.5900645909778892]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.604328268165716, 2.272683820650286, 2.121668877973377]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5552850802771794, 2.1144032043510568, 1.8971434010773258]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9556184644187085, 2.6727180199336162, 2.5124518568531626]}}