{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:32:10.442495", "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-Aug-19_to_2022-Aug-22_25.0_-3.5"}, "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": 2022080002383}, "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": "August 19 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 22 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": 55525.75142400898}, "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 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": -3.5}, "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": 25.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "25.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 23.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 25.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -1.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.85, -3.75], [22.75, -3.5], [22.85, -3.25], [22.75, -3.0], [22.97, -2.47], [23.32, -2.32], [23.35, -2.25], [23.25, -2.0], [23.47, -1.47], [24.0, -1.25], [24.53, -1.47], [24.68, -1.82], [24.75, -1.85], [25.0, -1.75], [25.53, -1.97], [25.75, -2.5], [25.54, -3.0], [25.75, -3.5], [25.53, -4.03], [25.13, -4.2], [25.25, -4.5], [25.15, -4.75], [25.25, -5.0], [25.03, -5.53], [24.5, -5.75], [24.25, -5.65], [24.0, -5.75], [23.47, -5.53], [23.32, -5.18], [22.97, -5.03], [22.75, -4.5], [22.85, -4.25], [22.75, -4.0], [22.85, -3.75]]]]}, "2022-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.85, -3.75], [22.75, -3.5], [22.85, -3.25], [22.75, -3.0], [22.97, -2.47], [23.32, -2.32], [23.35, -2.25], [23.25, -2.0], [23.47, -1.47], [24.0, -1.25], [24.53, -1.47], [24.68, -1.82], [24.75, -1.85], [25.0, -1.75], [25.53, -1.97], [25.75, -2.5], [25.54, -3.0], [25.75, -3.5], [25.53, -4.03], [25.13, -4.2], [25.25, -4.5], [25.15, -4.75], [25.25, -5.0], [25.03, -5.53], [24.5, -5.75], [24.25, -5.65], [24.0, -5.75], [23.47, -5.53], [23.32, -5.18], [22.97, -5.03], [22.75, -4.5], [22.85, -4.25], [22.75, -4.0], [22.85, -3.75]]]]}, "2022-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[22.85, -3.75], [22.75, -3.5], [22.85, -3.25], [22.75, -3.0], [22.97, -2.47], [23.32, -2.32], [23.35, -2.25], [23.25, -2.0], [23.47, -1.47], [24.0, -1.25], [24.53, -1.47], [24.68, -1.82], [24.75, -1.85], [25.0, -1.75], [25.53, -1.97], [25.75, -2.5], [25.54, -3.0], [25.75, -3.5], [25.53, -4.03], [25.13, -4.2], [25.25, -4.5], [25.15, -4.75], [25.25, -5.0], [25.03, -5.53], [24.5, -5.75], [24.25, -5.65], [24.0, -5.75], [23.47, -5.53], [23.32, -5.18], [22.97, -5.03], [22.75, -4.5], [22.85, -4.25], [22.75, -4.0], [22.85, -3.75]]]]}, "2022-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.97, -4.03], [23.75, -3.5], [23.97, -2.97], [24.5, -2.75], [24.75, -2.85], [25.0, -2.75], [25.53, -2.97], [25.75, -3.5], [25.53, -4.03], [25.0, -4.25], [24.75, -4.15], [24.5, -4.25], [23.97, -4.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.20315120828792}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.758976358511773}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.589511530377706, 26.769080248036687, 28.222259301504664, 26.860909187495963]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.889619162287374, 27.497158516668094, 29.66265187082672, 27.245380260841216]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.833396446384089, 2.0268933064831836, 3.510139174944464, 1.9174776880240074]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.6491872854649614, 2.366118380858552, 4.20315120828792, 2.054922151859273]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.269311798928344, 1.6316334414559404, 2.841880996134278, 1.5364725123263088]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.7558535952896728, 1.895507624828005, 3.358045051876737, 1.593588447800445]}}