{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:22.584467", "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-23_32.5_8.5"}, "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": 2022060002559}, "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 23 2022"}, "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": 143888.19532925714}, "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": ["South Sudan"]}, "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": 8.5}, "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": 32.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 5.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 9.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[28.75, 8.0], [28.85, 8.25], [28.75, 8.5], [28.97, 9.03], [29.5, 9.25], [29.75, 9.15], [30.0, 9.25], [30.25, 9.15], [30.32, 9.18], [30.35, 9.25], [30.25, 9.5], [30.47, 10.03], [31.0, 10.25], [31.25, 10.15], [31.5, 10.25], [31.75, 10.15], [32.0, 10.25], [32.25, 10.15], [32.5, 10.25], [32.75, 10.15], [33.0, 10.25], [33.53, 10.03], [33.68, 9.68], [34.03, 9.53], [34.25, 9.0], [34.15, 8.75], [34.25, 8.5], [34.03, 7.97], [33.68, 7.82], [33.65, 7.75], [33.75, 7.5], [33.65, 7.25], [33.75, 7.0], [33.53, 6.47], [33.18, 6.32], [33.15, 6.25], [33.25, 6.0], [33.03, 5.47], [32.68, 5.32], [32.65, 5.25], [32.75, 5.0], [32.53, 4.47], [32.0, 4.25], [31.47, 4.47], [31.25, 5.0], [31.35, 5.25], [31.32, 5.32], [30.97, 5.47], [30.75, 6.0], [30.88, 6.3], [30.47, 6.47], [30.3, 6.88], [30.18, 6.82], [30.03, 6.47], [29.5, 6.25], [28.97, 6.47], [28.75, 7.0], [28.85, 7.25], [28.75, 7.5], [28.85, 7.75], [28.75, 8.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa"]}, "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": [[[[28.75, 7.5], [28.85, 7.75], [28.75, 8.0], [28.85, 8.25], [28.75, 8.5], [28.97, 9.03], [29.5, 9.25], [29.75, 9.15], [30.0, 9.25], [30.25, 9.15], [30.32, 9.18], [30.35, 9.25], [30.25, 9.5], [30.47, 10.03], [31.0, 10.25], [31.25, 10.15], [31.5, 10.25], [31.75, 10.15], [32.0, 10.25], [32.25, 10.15], [32.5, 10.25], [32.75, 10.15], [33.0, 10.25], [33.53, 10.03], [33.68, 9.68], [34.03, 9.53], [34.25, 9.0], [34.15, 8.75], [34.25, 8.5], [34.03, 7.97], [33.68, 7.82], [33.65, 7.75], [33.75, 7.5], [33.65, 7.25], [33.75, 7.0], [33.53, 6.47], [33.18, 6.32], [33.15, 6.25], [33.25, 6.0], [33.03, 5.47], [32.68, 5.32], [32.65, 5.25], [32.75, 5.0], [32.53, 4.47], [32.0, 4.25], [31.47, 4.47], [31.25, 5.0], [31.35, 5.25], [31.32, 5.32], [30.97, 5.47], [30.75, 6.0], [30.88, 6.3], [30.47, 6.47], [30.3, 6.88], [30.18, 6.82], [30.03, 6.47], [29.5, 6.25], [28.97, 6.47], [28.75, 7.0], [28.85, 7.25], [28.75, 7.5]]]]}, "2022-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.75, 7.5], [28.85, 7.75], [28.75, 8.0], [28.85, 8.25], [28.75, 8.5], [28.97, 9.03], [29.5, 9.25], [29.75, 9.15], [30.0, 9.25], [30.25, 9.15], [30.32, 9.18], [30.35, 9.25], [30.25, 9.5], [30.47, 10.03], [31.0, 10.25], [31.25, 10.15], [31.5, 10.25], [31.75, 10.15], [32.0, 10.25], [32.25, 10.15], [32.5, 10.25], [32.75, 10.15], [33.0, 10.25], [33.53, 10.03], [33.68, 9.68], [34.03, 9.53], [34.25, 9.0], [34.15, 8.75], [34.25, 8.5], [34.03, 7.97], [33.68, 7.82], [33.65, 7.75], [33.75, 7.5], [33.65, 7.25], [33.75, 7.0], [33.53, 6.47], [33.18, 6.32], [33.15, 6.25], [33.25, 6.0], [33.03, 5.47], [32.68, 5.32], [32.65, 5.25], [32.75, 5.0], [32.53, 4.47], [32.0, 4.25], [31.47, 4.47], [31.25, 5.0], [31.35, 5.25], [31.32, 5.32], [30.97, 5.47], [30.75, 6.0], [30.88, 6.3], [30.47, 6.47], [30.3, 6.88], [30.18, 6.82], [30.03, 6.47], [29.5, 6.25], [28.97, 6.47], [28.75, 7.0], [28.85, 7.25], [28.75, 7.5]]]]}, "2022-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.75, 7.5], [28.85, 7.75], [28.75, 8.0], [28.85, 8.25], [28.75, 8.5], [28.97, 9.03], [29.5, 9.25], [29.75, 9.15], [30.0, 9.25], [30.25, 9.15], [30.32, 9.18], [30.35, 9.25], [30.25, 9.5], [30.47, 10.03], [31.0, 10.25], [31.25, 10.15], [31.5, 10.25], [31.75, 10.15], [32.0, 10.25], [32.25, 10.15], [32.5, 10.25], [32.75, 10.15], [33.0, 10.25], [33.53, 10.03], [33.68, 9.68], [34.03, 9.53], [34.25, 9.0], [34.15, 8.75], [34.25, 8.5], [34.03, 7.97], [33.68, 7.82], [33.65, 7.75], [33.75, 7.5], [33.65, 7.25], [33.75, 7.0], [33.53, 6.47], [33.18, 6.32], [33.15, 6.25], [33.25, 6.0], [33.03, 5.47], [32.68, 5.32], [32.65, 5.25], [32.75, 5.0], [32.53, 4.47], [32.0, 4.25], [31.47, 4.47], [31.25, 5.0], [31.35, 5.25], [31.32, 5.32], [30.97, 5.47], [30.75, 6.0], [30.88, 6.3], [30.47, 6.47], [30.3, 6.88], [30.18, 6.82], [30.03, 6.47], [29.5, 6.25], [28.97, 6.47], [28.75, 7.0], [28.85, 7.25], [28.75, 7.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.269808186062107}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.0877963482523403}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.79727395755549, 30.452852564766772, 29.926248451674212]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.728035103721993, 31.876627293005356, 31.598418151865758]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.144641536551209, 3.8234318953795086, 3.295315612826304]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.071618815809302, 5.269808186062107, 4.586115854540708]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8612535609215641, 3.3414323101131056, 2.7711702919037764]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.77531119993327, 4.4513562848560735, 3.743628508186985]}}