{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:46.155147", "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-Jul-05_to_2022-Jul-09_11.0_1.0"}, "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": 2022070001626}, "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": "July 05 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 09 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 77212.81509874022}, "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": ["Cameroon", "Congo", "Equatorial Guinea", "Gabon"]}, "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": 1.0}, "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": 11.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "11.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 13.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 4.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 0.97], [9.25, 1.5], [9.47, 2.03], [10.0, 2.25], [10.5, 2.04], [11.0, 2.25], [11.53, 2.03], [11.75, 1.5], [11.53, 0.97], [11.0, 0.75], [10.5, 0.96], [10.0, 0.75], [9.47, 0.97]]]]}, "2022-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 2.53], [10.0, 2.75], [10.25, 2.65], [10.32, 2.68], [10.46, 3.0], [10.25, 3.5], [10.47, 4.03], [10.82, 4.18], [10.97, 4.53], [11.5, 4.75], [12.03, 4.53], [12.18, 4.18], [12.25, 4.15], [12.5, 4.25], [13.03, 4.03], [13.25, 3.5], [13.15, 3.25], [13.25, 3.0], [13.15, 2.75], [13.18, 2.68], [13.53, 2.53], [13.68, 2.18], [14.03, 2.03], [14.25, 1.5], [14.03, 0.97], [13.5, 0.75], [13.25, 0.85], [13.18, 0.82], [13.03, 0.47], [12.5, 0.25], [12.25, 0.35], [12.0, 0.25], [11.5, 0.46], [11.0, 0.25], [10.47, 0.47], [10.3, 0.87], [10.0, 0.75], [9.47, 0.97], [9.25, 1.5], [9.35, 1.75], [9.25, 2.0], [9.47, 2.53]]]]}, "2022-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 2.53], [10.0, 2.75], [10.25, 2.65], [10.32, 2.68], [10.46, 3.0], [10.25, 3.5], [10.47, 4.03], [10.82, 4.18], [10.97, 4.53], [11.5, 4.75], [12.03, 4.53], [12.18, 4.18], [12.25, 4.15], [12.5, 4.25], [13.03, 4.03], [13.25, 3.5], [13.15, 3.25], [13.25, 3.0], [13.15, 2.75], [13.18, 2.68], [13.53, 2.53], [13.68, 2.18], [14.03, 2.03], [14.25, 1.5], [14.03, 0.97], [13.5, 0.75], [13.25, 0.85], [13.18, 0.82], [13.03, 0.47], [12.5, 0.25], [12.25, 0.35], [12.0, 0.25], [11.5, 0.46], [11.0, 0.25], [10.47, 0.47], [10.3, 0.87], [10.0, 0.75], [9.47, 0.97], [9.25, 1.5], [9.35, 1.75], [9.25, 2.0], [9.47, 2.53]]]]}, "2022-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 2.53], [10.0, 2.75], [10.25, 2.65], [10.32, 2.68], [10.46, 3.0], [10.25, 3.5], [10.47, 4.03], [10.82, 4.18], [10.97, 4.53], [11.5, 4.75], [12.03, 4.53], [12.18, 4.18], [12.25, 4.15], [12.5, 4.25], [13.03, 4.03], [13.25, 3.5], [13.15, 3.25], [13.25, 3.0], [13.15, 2.75], [13.18, 2.68], [13.53, 2.53], [13.68, 2.18], [14.03, 2.03], [14.25, 1.5], [14.03, 0.97], [13.5, 0.75], [13.25, 0.85], [13.18, 0.82], [13.03, 0.47], [12.5, 0.25], [12.25, 0.35], [12.0, 0.25], [11.5, 0.46], [11.0, 0.25], [10.47, 0.47], [10.3, 0.87], [10.0, 0.75], [9.47, 0.97], [9.25, 1.5], [9.35, 1.75], [9.25, 2.0], [9.47, 2.53]]]]}, "2022-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 1.47], [9.25, 2.0], [9.47, 2.53], [10.0, 2.75], [10.25, 2.65], [10.5, 2.75], [11.03, 2.53], [11.25, 2.0], [11.13, 1.7], [11.53, 1.53], [11.75, 1.0], [11.53, 0.47], [11.0, 0.25], [10.47, 0.47], [10.25, 1.0], [10.38, 1.3], [10.25, 1.35], [10.0, 1.25], [9.47, 1.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.143731884209103}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.2028522466225184}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.502431761009575, 24.414871631987296, 24.40363455630711, 24.291029154658588, 24.253147017751076]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.705040375838564, 25.48440575628132, 25.33229767226868, 25.094876441720714, 24.64510229856387]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.935411562013968, 1.267466631625914, 1.2673506215117027, 1.1163357276597214, 0.9973385222924284]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9494540606699502, 2.143731884209103, 1.5584006887885948, 1.4001743019099422, 1.0634202373630046]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3115683235569278, 1.6508775950368642, 1.6538579459039047, 1.4651684548987756, 1.4325634819357722]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3972522693849874, 2.739063092398844, 2.0042754495141146, 1.6835908123844678, 1.505535665832984]}}