{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:22.653521", "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-Jun-21_to_2022-Jun-24_38.0_16.5"}, "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": 2022060002563}, "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": "June 21 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 24 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": 56346.29794780945}, "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": ["Eritrea", "Sudan"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": 16.5}, "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": 38.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 35.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 38.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 15.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[34.85, 16.75], [34.75, 17.0], [34.85, 17.25], [34.75, 17.5], [34.97, 18.03], [35.5, 18.25], [35.75, 18.15], [36.0, 18.25], [36.53, 18.03], [36.75, 17.5], [36.63, 17.2], [36.75, 17.15], [37.0, 17.25], [37.25, 17.15], [37.32, 17.18], [37.35, 17.25], [37.25, 17.5], [37.47, 18.03], [38.0, 18.25], [38.53, 18.03], [38.75, 17.5], [38.65, 17.25], [38.75, 17.0], [38.65, 16.75], [38.75, 16.5], [38.65, 16.25], [38.68, 16.18], [39.03, 16.03], [39.25, 15.5], [39.03, 14.97], [38.5, 14.75], [37.97, 14.97], [37.82, 15.32], [37.47, 15.47], [37.32, 15.82], [37.25, 15.85], [37.18, 15.82], [37.03, 15.47], [36.68, 15.32], [36.53, 14.97], [36.0, 14.75], [35.75, 14.85], [35.5, 14.75], [35.25, 14.85], [35.0, 14.75], [34.47, 14.97], [34.25, 15.5], [34.35, 15.75], [34.25, 16.0], [34.47, 16.53], [34.82, 16.68], [34.85, 16.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.97, 18.03], [35.5, 18.25], [36.03, 18.03], [36.25, 17.5], [36.03, 16.97], [35.5, 16.75], [34.97, 16.97], [34.75, 17.5], [34.97, 18.03]]]]}, "2022-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, 16.0], [34.47, 16.53], [34.82, 16.68], [34.85, 16.75], [34.75, 17.0], [34.85, 17.25], [34.75, 17.5], [34.97, 18.03], [35.5, 18.25], [35.75, 18.15], [36.0, 18.25], [36.53, 18.03], [36.75, 17.5], [36.63, 17.2], [36.75, 17.15], [37.0, 17.25], [37.25, 17.15], [37.32, 17.18], [37.35, 17.25], [37.25, 17.5], [37.47, 18.03], [38.0, 18.25], [38.53, 18.03], [38.75, 17.5], [38.65, 17.25], [38.75, 17.0], [38.65, 16.75], [38.75, 16.5], [38.65, 16.25], [38.68, 16.18], [39.03, 16.03], [39.25, 15.5], [39.03, 14.97], [38.5, 14.75], [37.97, 14.97], [37.82, 15.32], [37.47, 15.47], [37.32, 15.82], [37.25, 15.85], [37.18, 15.82], [37.03, 15.47], [36.68, 15.32], [36.53, 14.97], [36.0, 14.75], [35.75, 14.85], [35.5, 14.75], [35.25, 14.85], [35.0, 14.75], [34.47, 14.97], [34.25, 15.5], [34.35, 15.75], [34.25, 16.0]]]]}, "2022-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, 16.0], [34.47, 16.53], [34.82, 16.68], [34.85, 16.75], [34.75, 17.0], [34.85, 17.25], [34.75, 17.5], [34.97, 18.03], [35.5, 18.25], [35.75, 18.15], [36.0, 18.25], [36.53, 18.03], [36.75, 17.5], [36.63, 17.2], [36.75, 17.15], [37.0, 17.25], [37.25, 17.15], [37.32, 17.18], [37.35, 17.25], [37.25, 17.5], [37.47, 18.03], [38.0, 18.25], [38.53, 18.03], [38.75, 17.5], [38.65, 17.25], [38.75, 17.0], [38.65, 16.75], [38.75, 16.5], [38.65, 16.25], [38.68, 16.18], [39.03, 16.03], [39.25, 15.5], [39.03, 14.97], [38.5, 14.75], [37.97, 14.97], [37.82, 15.32], [37.47, 15.47], [37.32, 15.82], [37.25, 15.85], [37.18, 15.82], [37.03, 15.47], [36.68, 15.32], [36.53, 14.97], [36.0, 14.75], [35.75, 14.85], [35.5, 14.75], [35.25, 14.85], [35.0, 14.75], [34.47, 14.97], [34.25, 15.5], [34.35, 15.75], [34.25, 16.0]]]]}, "2022-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[34.25, 16.0], [34.47, 16.53], [34.82, 16.68], [34.85, 16.75], [34.75, 17.0], [34.85, 17.25], [34.75, 17.5], [34.97, 18.03], [35.5, 18.25], [35.75, 18.15], [36.0, 18.25], [36.53, 18.03], [36.75, 17.5], [36.63, 17.2], [36.75, 17.15], [37.0, 17.25], [37.25, 17.15], [37.32, 17.18], [37.35, 17.25], [37.25, 17.5], [37.47, 18.03], [38.0, 18.25], [38.53, 18.03], [38.75, 17.5], [38.65, 17.25], [38.75, 17.0], [38.65, 16.75], [38.75, 16.5], [38.65, 16.25], [38.68, 16.18], [39.03, 16.03], [39.25, 15.5], [39.03, 14.97], [38.5, 14.75], [37.97, 14.97], [37.82, 15.32], [37.47, 15.47], [37.32, 15.82], [37.25, 15.85], [37.18, 15.82], [37.03, 15.47], [36.68, 15.32], [36.53, 14.97], [36.0, 14.75], [35.75, 14.85], [35.5, 14.75], [35.25, 14.85], [35.0, 14.75], [34.47, 14.97], [34.25, 15.5], [34.35, 15.75], [34.25, 16.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.2044595009558066}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.0451182808339095}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.57513186843755, 34.43751956585322, 34.56982432626086, 34.28943891737612]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.57513186843755, 37.0654696284102, 37.33665722644747, 37.00914124930114]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4513422410568069, 1.9478965176489311, 2.2031187769283243, 2.0155909184390572]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4513422410568069, 2.351924062978071, 3.2044595009558066, 2.373789141867178]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2512106511655983, 1.4883075323090718, 1.640759005709206, 1.4036960490699544]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2512106511655983, 1.9859473287547564, 2.7172953286837527, 1.8393876722873572]}}