{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:04.163907", "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-25_to_2025-Jun-29_34.0_-10.0"}, "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": 2025060002608}, "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 25 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 29 2025"}, "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": 60785.014449152455}, "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": ["Malawi", "Tanzania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "S.Eastern-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": -10.0}, "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": 34.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "34.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 32.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, -9.53], [32.25, -9.0], [32.47, -8.47], [33.0, -8.25], [33.25, -8.35], [33.5, -8.25], [33.75, -8.35], [33.82, -8.32], [33.97, -7.97], [34.5, -7.75], [34.75, -7.85], [35.0, -7.75], [35.53, -7.97], [35.75, -8.5], [35.53, -9.03], [35.13, -9.2], [35.25, -9.5], [35.03, -10.03], [34.5, -10.25], [33.97, -10.03], [33.82, -9.68], [33.75, -9.65], [33.5, -9.75], [33.25, -9.65], [33.0, -9.75], [32.47, -9.53]]]]}, "2025-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.96, -12.0], [32.75, -11.5], [32.97, -10.97], [33.32, -10.82], [33.35, -10.75], [33.32, -10.68], [32.97, -10.53], [32.75, -10.0], [32.88, -9.7], [32.47, -9.53], [32.25, -9.0], [32.47, -8.47], [33.0, -8.25], [33.25, -8.35], [33.5, -8.25], [33.75, -8.35], [33.82, -8.32], [33.97, -7.97], [34.5, -7.75], [34.75, -7.85], [35.0, -7.75], [35.53, -7.97], [35.75, -8.5], [35.53, -9.03], [35.13, -9.2], [35.25, -9.5], [35.15, -9.75], [35.25, -10.0], [35.15, -10.25], [35.25, -10.5], [35.03, -11.03], [34.68, -11.18], [34.53, -11.53], [34.18, -11.68], [34.04, -12.0], [34.25, -12.5], [34.15, -12.75], [34.25, -13.0], [34.03, -13.53], [33.5, -13.75], [32.97, -13.53], [32.75, -13.0], [32.85, -12.75], [32.75, -12.5], [32.96, -12.0]]]]}, "2025-06-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.96, -12.0], [32.75, -11.5], [32.97, -10.97], [33.32, -10.82], [33.35, -10.75], [33.32, -10.68], [32.97, -10.53], [32.75, -10.0], [32.88, -9.7], [32.47, -9.53], [32.25, -9.0], [32.47, -8.47], [33.0, -8.25], [33.25, -8.35], [33.5, -8.25], [33.75, -8.35], [33.82, -8.32], [33.97, -7.97], [34.5, -7.75], [34.75, -7.85], [35.0, -7.75], [35.53, -7.97], [35.75, -8.5], [35.53, -9.03], [35.13, -9.2], [35.25, -9.5], [35.15, -9.75], [35.25, -10.0], [35.15, -10.25], [35.25, -10.5], [35.15, -10.75], [35.25, -11.0], [35.15, -11.25], [35.25, -11.5], [35.15, -11.75], [35.25, -12.0], [35.03, -12.53], [34.5, -12.75], [34.25, -12.65], [34.18, -12.68], [34.15, -12.75], [34.25, -13.0], [34.03, -13.53], [33.5, -13.75], [32.97, -13.53], [32.75, -13.0], [32.85, -12.75], [32.75, -12.5], [32.96, -12.0]]]]}, "2025-06-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.96, -12.0], [32.75, -11.5], [32.97, -10.97], [33.32, -10.82], [33.35, -10.75], [33.32, -10.68], [32.97, -10.53], [32.75, -10.0], [32.97, -9.47], [33.32, -9.32], [33.47, -8.97], [34.0, -8.75], [34.53, -8.97], [34.68, -9.32], [35.03, -9.47], [35.25, -10.0], [35.15, -10.25], [35.25, -10.5], [35.15, -10.75], [35.25, -11.0], [35.15, -11.25], [35.25, -11.5], [35.15, -11.75], [35.25, -12.0], [35.03, -12.53], [34.5, -12.75], [34.25, -12.65], [34.18, -12.68], [34.15, -12.75], [34.25, -13.0], [34.03, -13.53], [33.5, -13.75], [32.97, -13.53], [32.75, -13.0], [32.85, -12.75], [32.75, -12.5], [32.96, -12.0]]]]}, "2025-06-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[33.75, -11.0], [33.88, -10.7], [33.47, -10.53], [33.25, -10.0], [33.47, -9.47], [34.0, -9.25], [34.53, -9.47], [34.75, -10.0], [34.63, -10.3], [35.03, -10.47], [35.25, -11.0], [35.15, -11.25], [35.25, -11.5], [35.15, -11.75], [35.25, -12.0], [35.03, -12.53], [34.5, -12.75], [34.25, -12.65], [34.0, -12.75], [33.47, -12.53], [33.25, -12.0], [33.47, -11.47], [33.82, -11.32], [33.85, -11.25], [33.75, -11.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0432387073448695}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6766039091193992}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.387417941623255, 18.623878733317042, 19.749186706543014, 20.13919528779536, 22.637951405843125]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.984165445963583, 23.48910802205404, 23.671851094563806, 24.19559758504232, 23.744982655843103]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.350067010752421, 1.6178242673096719, 1.95614210199019, 1.5941415503589715, 1.369284873996935]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4631291967879747, 2.455472243455631, 3.0432387073448695, 1.9231880433759443, 1.499399196877846]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3397284832426735, 1.5595082493512764, 1.9182853300576876, 1.5976639570207953, 1.5426869291921212]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4473814115197745, 1.8827954404805833, 2.3335559942543624, 2.102736470396892, 1.6379183547684493]}}