{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:01.697740", "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-May-03_to_2022-May-06_14.5_-8.0"}, "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": 2022050001464}, "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": "May 03 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 06 2022"}, "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": 64470.89726668294}, "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": ["Angola", "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": -8.0}, "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": 14.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "14.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 14.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 17.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.25}, "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": {"2022-05-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.5, -7.25], [15.03, -7.47], [15.25, -8.0], [15.03, -8.53], [14.5, -8.75], [13.97, -8.53], [13.75, -8.0], [13.97, -7.47], [14.5, -7.25]]]]}, "2022-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.85, -8.25], [13.75, -8.0], [13.85, -7.75], [13.75, -7.5], [13.97, -6.97], [14.32, -6.82], [14.35, -6.75], [14.25, -6.5], [14.35, -6.25], [14.25, -6.0], [14.47, -5.47], [14.82, -5.32], [14.85, -5.25], [14.75, -5.0], [14.97, -4.47], [15.5, -4.25], [16.03, -4.47], [16.18, -4.82], [16.25, -4.85], [16.32, -4.82], [16.47, -4.47], [17.0, -4.25], [17.25, -4.35], [17.5, -4.25], [18.03, -4.47], [18.25, -5.0], [18.03, -5.53], [17.68, -5.68], [17.65, -5.75], [17.75, -6.0], [17.65, -6.25], [17.75, -6.5], [17.53, -7.03], [17.0, -7.25], [16.47, -7.03], [16.32, -6.68], [16.0, -6.54], [15.68, -6.68], [15.65, -6.75], [15.75, -7.0], [15.65, -7.25], [15.75, -7.5], [15.65, -7.75], [15.75, -8.0], [15.65, -8.25], [15.75, -8.5], [15.53, -9.03], [15.18, -9.18], [15.03, -9.53], [14.5, -9.75], [13.97, -9.53], [13.75, -9.0], [13.85, -8.75], [13.75, -8.5], [13.85, -8.25]]]]}, "2022-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.85, -8.25], [13.75, -8.0], [13.85, -7.75], [13.75, -7.5], [13.97, -6.97], [14.32, -6.82], [14.35, -6.75], [14.25, -6.5], [14.35, -6.25], [14.25, -6.0], [14.47, -5.47], [14.82, -5.32], [14.85, -5.25], [14.75, -5.0], [14.97, -4.47], [15.5, -4.25], [16.03, -4.47], [16.18, -4.82], [16.25, -4.85], [16.32, -4.82], [16.47, -4.47], [17.0, -4.25], [17.25, -4.35], [17.5, -4.25], [18.03, -4.47], [18.25, -5.0], [18.03, -5.53], [17.68, -5.68], [17.65, -5.75], [17.75, -6.0], [17.65, -6.25], [17.75, -6.5], [17.53, -7.03], [17.0, -7.25], [16.47, -7.03], [16.32, -6.68], [16.0, -6.54], [15.68, -6.68], [15.65, -6.75], [15.75, -7.0], [15.65, -7.25], [15.75, -7.5], [15.65, -7.75], [15.75, -8.0], [15.65, -8.25], [15.75, -8.5], [15.53, -9.03], [15.18, -9.18], [15.03, -9.53], [14.5, -9.75], [13.97, -9.53], [13.75, -9.0], [13.85, -8.75], [13.75, -8.5], [13.85, -8.25]]]]}, "2022-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.85, -8.25], [13.75, -8.0], [13.85, -7.75], [13.75, -7.5], [13.97, -6.97], [14.32, -6.82], [14.35, -6.75], [14.25, -6.5], [14.35, -6.25], [14.25, -6.0], [14.47, -5.47], [14.82, -5.32], [14.85, -5.25], [14.75, -5.0], [14.97, -4.47], [15.5, -4.25], [16.03, -4.47], [16.18, -4.82], [16.25, -4.85], [16.32, -4.82], [16.47, -4.47], [17.0, -4.25], [17.25, -4.35], [17.5, -4.25], [18.03, -4.47], [18.25, -5.0], [18.03, -5.53], [17.68, -5.68], [17.65, -5.75], [17.75, -6.0], [17.65, -6.25], [17.75, -6.5], [17.53, -7.03], [17.0, -7.25], [16.47, -7.03], [16.32, -6.68], [16.0, -6.54], [15.68, -6.68], [15.65, -6.75], [15.75, -7.0], [15.65, -7.25], [15.75, -7.5], [15.65, -7.75], [15.75, -8.0], [15.65, -8.25], [15.75, -8.5], [15.53, -9.03], [15.18, -9.18], [15.03, -9.53], [14.5, -9.75], [13.97, -9.53], [13.75, -9.0], [13.85, -8.75], [13.75, -8.5], [13.85, -8.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5474605400006567}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6576898972616716}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.543829556360436, 25.716238210557947, 25.494943648044114, 25.535189107797805]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.543829556360436, 27.717517428509495, 26.879190845697224, 27.00964718629581]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.203468549451145, 1.8069932381604845, 1.573562946169456, 1.6141430954460518]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.203468549451145, 2.5474605400006567, 1.92134213160449, 2.1015865798386244]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5809761210907225, 1.9555410541672895, 1.7164550196485997, 1.7403137009397152]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5809761210907225, 2.510419425252465, 2.11463295891519, 2.2109516370145994]}}