{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:29:25.650338", "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-Feb-09_to_2022-Feb-14_24.0_5.0"}, "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": 2022020001634}, "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 09 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 14 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 55434.7361328261}, "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": ["Central African Republic", "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": 5.0}, "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": 24.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "24.0\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": 27.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.75}, "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": {"2022-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.0, 5.75], [24.25, 5.65], [24.5, 5.75], [24.75, 5.65], [25.0, 5.75], [25.25, 5.65], [25.5, 5.75], [26.03, 5.53], [26.25, 5.0], [26.15, 4.75], [26.25, 4.5], [26.15, 4.25], [26.25, 4.0], [26.03, 3.47], [25.5, 3.25], [24.97, 3.47], [24.75, 4.0], [24.85, 4.25], [24.82, 4.32], [24.75, 4.35], [24.5, 4.25], [24.25, 4.35], [24.18, 4.32], [24.03, 3.97], [23.5, 3.75], [22.97, 3.97], [22.75, 4.5], [22.97, 5.03], [23.32, 5.18], [23.47, 5.53], [24.0, 5.75]]]]}, "2022-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.0, 5.75], [24.25, 5.65], [24.5, 5.75], [24.75, 5.65], [24.88, 5.7], [24.75, 6.0], [24.97, 6.53], [25.5, 6.75], [26.03, 6.53], [26.18, 6.18], [26.25, 6.15], [26.5, 6.25], [27.03, 6.03], [27.18, 5.68], [27.53, 5.53], [27.75, 5.0], [27.53, 4.47], [27.0, 4.25], [26.75, 4.35], [26.63, 4.3], [26.75, 4.0], [26.53, 3.47], [26.0, 3.25], [25.75, 3.35], [25.5, 3.25], [24.97, 3.47], [24.82, 3.82], [24.75, 3.85], [24.5, 3.75], [24.25, 3.85], [24.0, 3.75], [23.75, 3.85], [23.5, 3.75], [22.97, 3.97], [22.75, 4.5], [22.97, 5.03], [23.32, 5.18], [23.47, 5.53], [24.0, 5.75]]]]}, "2022-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.0, 5.75], [24.25, 5.65], [24.5, 5.75], [24.75, 5.65], [24.88, 5.7], [24.75, 6.0], [24.97, 6.53], [25.5, 6.75], [26.03, 6.53], [26.18, 6.18], [26.25, 6.15], [26.5, 6.25], [27.03, 6.03], [27.18, 5.68], [27.53, 5.53], [27.75, 5.0], [27.53, 4.47], [27.0, 4.25], [26.75, 4.35], [26.63, 4.3], [26.75, 4.0], [26.53, 3.47], [26.0, 3.25], [25.75, 3.35], [25.5, 3.25], [24.97, 3.47], [24.82, 3.82], [24.75, 3.85], [24.5, 3.75], [24.25, 3.85], [24.0, 3.75], [23.75, 3.85], [23.5, 3.75], [22.97, 3.97], [22.75, 4.5], [22.97, 5.03], [23.32, 5.18], [23.47, 5.53], [24.0, 5.75]]]]}, "2022-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.0, 5.75], [24.25, 5.65], [24.5, 5.75], [24.75, 5.65], [24.82, 5.68], [24.85, 5.75], [24.75, 6.0], [24.97, 6.53], [25.5, 6.75], [26.03, 6.53], [26.18, 6.18], [26.25, 6.15], [26.5, 6.25], [27.03, 6.03], [27.18, 5.68], [27.53, 5.53], [27.75, 5.0], [27.53, 4.47], [27.0, 4.25], [26.75, 4.35], [26.63, 4.3], [26.75, 4.0], [26.53, 3.47], [26.0, 3.25], [25.75, 3.35], [25.5, 3.25], [24.97, 3.47], [24.82, 3.82], [24.75, 3.85], [24.5, 3.75], [24.25, 3.85], [24.0, 3.75], [23.75, 3.85], [23.5, 3.75], [22.97, 3.97], [22.75, 4.5], [22.97, 5.03], [23.32, 5.18], [23.47, 5.53], [24.0, 5.75]]]]}, "2022-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.0, 5.75], [24.25, 5.65], [24.5, 5.75], [24.75, 5.65], [24.82, 5.68], [24.85, 5.75], [24.75, 6.0], [24.97, 6.53], [25.5, 6.75], [26.03, 6.53], [26.18, 6.18], [26.25, 6.15], [26.5, 6.25], [27.03, 6.03], [27.18, 5.68], [27.53, 5.53], [27.75, 5.0], [27.53, 4.47], [27.0, 4.25], [26.75, 4.35], [26.63, 4.3], [26.75, 4.0], [26.53, 3.47], [26.0, 3.25], [25.47, 3.47], [25.32, 3.82], [25.0, 3.96], [24.5, 3.75], [24.25, 3.85], [24.0, 3.75], [23.75, 3.85], [23.5, 3.75], [22.97, 3.97], [22.75, 4.5], [22.97, 5.03], [23.32, 5.18], [23.47, 5.53], [24.0, 5.75]]]]}, "2022-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[23.25, 5.0], [23.47, 5.53], [24.0, 5.75], [24.25, 5.65], [24.5, 5.75], [24.75, 5.65], [24.82, 5.68], [24.85, 5.75], [24.75, 6.0], [24.97, 6.53], [25.5, 6.75], [26.03, 6.53], [26.18, 6.18], [26.25, 6.15], [26.5, 6.25], [27.03, 6.03], [27.18, 5.68], [27.53, 5.53], [27.75, 5.0], [27.53, 4.47], [27.0, 4.25], [26.75, 4.35], [26.5, 4.25], [26.25, 4.35], [26.18, 4.32], [26.03, 3.97], [25.5, 3.75], [25.0, 3.96], [24.5, 3.75], [23.97, 3.97], [23.82, 4.32], [23.47, 4.47], [23.25, 5.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.151243726679638}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.015505612171009}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.404737517604758, 30.920498987493545, 30.673009272100217, 30.70418077080376, 31.079314340524093, 31.1024849925156]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.720112536485317, 31.850230533359934, 32.132022956373305, 31.37581552870057, 31.84132010101166, 31.72889141049984]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7764044945220934, 3.2234915517981158, 2.952393290860961, 2.8973153273507757, 3.131005048773577, 2.9874413099858237]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9918493103515402, 3.9353316797153184, 4.151243726679638, 3.46763178917422, 3.488295425526644, 3.5130241446016157]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4959197102071708, 1.7484983074214435, 1.6173955060536773, 1.596304091489008, 1.7391508067034311, 1.6596109819976568]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6151344340179694, 2.1593970842987864, 2.278566393627957, 1.852561744639945, 1.971489788196494, 1.959460075506731]}}