{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:07.542319", "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": "2025-Jun-19_to_2025-Jun-28_32.5_-6.0"}, "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": 2025060002406}, "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 19 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 28 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 61382.27626175779}, "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": ["Tanzania, United Republic of"]}, "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": -6.0}, "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": 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": 32.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[33.0, -5.46], [33.32, -5.32], [33.47, -4.97], [34.0, -4.75], [34.25, -4.85], [34.5, -4.75], [35.03, -4.97], [35.25, -5.5], [35.04, -6.0], [35.18, -6.32], [35.53, -6.47], [35.75, -7.0], [35.53, -7.53], [35.13, -7.7], [35.25, -8.0], [35.15, -8.25], [35.18, -8.32], [35.53, -8.47], [35.75, -9.0], [35.53, -9.53], [35.0, -9.75], [34.47, -9.53], [34.32, -9.18], [33.97, -9.03], [33.75, -8.5], [33.85, -8.25], [33.82, -8.18], [33.47, -8.03], [33.32, -7.68], [33.25, -7.65], [33.0, -7.75], [32.47, -7.53], [32.32, -7.18], [31.97, -7.03], [31.82, -6.68], [31.47, -6.53], [31.25, -6.0], [31.47, -5.47], [32.0, -5.25], [32.25, -5.35], [32.5, -5.25], [33.0, -5.46]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Eastern-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, -7.03], [32.25, -6.5], [32.47, -5.97], [32.82, -5.82], [32.97, -5.47], [33.32, -5.32], [33.47, -4.97], [34.0, -4.75], 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24.49281463623049, 23.707397715250693]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4173122672824205, 1.48513493813159, 1.4952377279871532, 1.2012651185704954, 1.281181464401224, 1.1763775956944755, 1.1963541286880002, 1.193358047454107, 1.7460704703182917, 1.2759126108261398]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7350268829424635, 1.7998167323431744, 1.7260284578333085, 1.3573114132286719, 1.3492405515162318, 1.2022256957929471, 1.2334362055868837, 1.225857851081173, 1.9829760784027712, 1.2759126108261398]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.483810440747071, 1.5785489367060874, 1.6256625508665528, 1.292951320950356, 1.4343452052806163, 1.3684305316397092, 1.320719508406735, 1.2801469848778992, 1.8367238373049786, 1.234612400068152]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6968200699828047, 2.0725571294128753, 2.0651070673906617, 1.3897695660270377, 1.4752791207813158, 1.459931274013386, 1.366399088826455, 1.362661436511259, 1.9838264967775667, 1.234612400068152]}}