{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:30.136334", "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": "2021-Feb-27_to_2021-Mar-01_43.0_3.0"}, "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": 2021020002366}, "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": "February 27 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 01 2021"}, "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": 114091.06723428826}, "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": ["Ethiopia", "Kenya", "Somalia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-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": 3.0}, "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": 43.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "43.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 38.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 43.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 2.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.32, 3.82], [37.97, 3.97], [37.75, 4.5], [37.97, 5.03], [38.5, 5.25], [38.75, 5.15], [38.82, 5.18], [38.85, 5.25], [38.75, 5.5], [38.85, 5.75], [38.75, 6.0], [38.97, 6.53], [39.5, 6.75], [40.03, 6.53], [40.18, 6.18], [40.53, 6.03], [40.68, 5.68], [41.03, 5.53], [41.18, 5.18], [41.53, 5.03], [41.75, 4.5], [41.63, 4.2], [41.75, 4.15], [41.82, 4.18], [41.97, 4.53], [42.5, 4.75], [42.75, 4.65], [43.0, 4.75], [43.53, 4.53], [43.68, 4.18], [44.03, 4.03], [44.25, 3.5], [44.15, 3.25], [44.25, 3.0], [44.03, 2.47], [43.5, 2.25], [43.25, 2.35], [43.0, 2.25], [42.75, 2.35], [42.5, 2.25], [42.25, 2.35], [42.0, 2.25], [41.75, 2.35], [41.5, 2.25], [41.0, 2.46], [40.5, 2.25], [40.25, 2.35], [40.0, 2.25], [39.75, 2.35], [39.5, 2.25], [39.0, 2.46], [38.5, 2.25], [37.97, 2.47], [37.75, 3.0], [37.97, 3.53], [38.32, 3.68], [38.35, 3.75], [38.32, 3.82]]]]}, "2021-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.32, 3.82], [37.97, 3.97], [37.75, 4.5], [37.97, 5.03], [38.5, 5.25], [38.75, 5.15], [38.82, 5.18], [38.85, 5.25], [38.75, 5.5], [38.85, 5.75], [38.75, 6.0], [38.97, 6.53], [39.5, 6.75], [40.03, 6.53], [40.18, 6.18], [40.53, 6.03], [40.68, 5.68], [41.03, 5.53], [41.18, 5.18], [41.53, 5.03], [41.75, 4.5], [41.63, 4.2], [41.75, 4.15], [41.82, 4.18], [41.97, 4.53], [42.5, 4.75], [42.75, 4.65], [43.0, 4.75], [43.53, 4.53], [43.68, 4.18], [44.03, 4.03], [44.25, 3.5], [44.15, 3.25], [44.25, 3.0], [44.03, 2.47], [43.5, 2.25], [43.25, 2.35], [43.0, 2.25], [42.75, 2.35], [42.5, 2.25], [42.25, 2.35], [42.0, 2.25], [41.75, 2.35], [41.5, 2.25], [41.0, 2.46], [40.5, 2.25], [40.25, 2.35], [40.0, 2.25], [39.75, 2.35], [39.5, 2.25], [39.0, 2.46], [38.5, 2.25], [37.97, 2.47], [37.75, 3.0], [37.97, 3.53], [38.32, 3.68], [38.35, 3.75], [38.32, 3.82]]]]}, "2021-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.32, 3.82], [37.97, 3.97], [37.75, 4.5], [37.97, 5.03], [38.5, 5.25], [38.75, 5.15], [38.82, 5.18], [38.85, 5.25], [38.75, 5.5], [38.85, 5.75], [38.75, 6.0], [38.97, 6.53], [39.5, 6.75], [40.03, 6.53], [40.18, 6.18], [40.53, 6.03], [40.68, 5.68], [41.03, 5.53], [41.18, 5.18], [41.53, 5.03], [41.75, 4.5], [41.63, 4.2], [41.75, 4.15], [41.82, 4.18], [41.97, 4.53], [42.5, 4.75], [42.75, 4.65], [43.0, 4.75], [43.53, 4.53], [43.68, 4.18], [44.03, 4.03], [44.25, 3.5], [44.15, 3.25], [44.25, 3.0], [44.03, 2.47], [43.5, 2.25], [43.25, 2.35], [43.0, 2.25], [42.75, 2.35], [42.5, 2.25], [42.25, 2.35], [42.0, 2.25], [41.75, 2.35], [41.5, 2.25], [41.0, 2.46], [40.5, 2.25], [40.25, 2.35], [40.0, 2.25], [39.75, 2.35], [39.5, 2.25], [39.0, 2.46], [38.5, 2.25], [37.97, 2.47], [37.75, 3.0], [37.97, 3.53], [38.32, 3.68], [38.35, 3.75], [38.32, 3.82]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.4923428600763486}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.7121913700323799}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.604387378181116, 29.903097832679805, 29.56812294719657]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.67485037329385, 34.022292960198286, 33.5424668243777]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.6183686169277347, 1.925880325925211, 1.5923251672441936]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1214306430596253, 2.4923428600763486, 2.16113240611611]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5997512430820309, 1.8544299092227237, 1.4691365617686225]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.355063149841963, 2.6973311139795357, 1.9366022707306183]}}