{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:52:31.570149", "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": "2024-Jul-06_to_2024-Jul-08_354.0_19.5"}, "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": 2024070001357}, "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 06 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 08 2024"}, "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": 73151.26788607784}, "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": ["Mali", "Mauritania"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 19.5}, "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": 354.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "354.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 351.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 355.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.03, 17.97], [-9.25, 18.5], [-9.03, 19.03], [-8.5, 19.25], [-8.25, 19.15], [-8.18, 19.18], [-8.15, 19.25], [-8.25, 19.5], [-8.03, 20.03], [-7.5, 20.25], [-7.0, 20.04], [-6.5, 20.25], [-6.25, 20.15], [-6.0, 20.25], [-5.75, 20.15], [-5.5, 20.25], [-5.25, 20.15], [-5.0, 20.25], [-4.75, 20.15], [-4.5, 20.25], [-3.97, 20.03], [-3.75, 19.5], [-3.85, 19.25], [-3.75, 19.0], [-3.97, 18.47], [-4.32, 18.32], [-4.47, 17.97], [-4.82, 17.82], [-4.97, 17.47], [-5.5, 17.25], [-5.75, 17.35], [-6.0, 17.25], [-6.25, 17.35], [-6.5, 17.25], [-6.75, 17.35], [-7.0, 17.25], [-7.53, 17.47], [-7.68, 17.82], [-7.75, 17.85], [-8.0, 17.75], [-8.25, 17.85], [-8.5, 17.75], [-9.03, 17.97]]]]}, "2024-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.03, 17.97], [-9.25, 18.5], [-9.03, 19.03], [-8.5, 19.25], [-8.25, 19.15], [-8.18, 19.18], [-8.15, 19.25], [-8.25, 19.5], [-8.03, 20.03], [-7.5, 20.25], [-7.0, 20.04], [-6.5, 20.25], [-6.25, 20.15], [-6.0, 20.25], [-5.75, 20.15], [-5.5, 20.25], [-5.25, 20.15], [-5.0, 20.25], [-4.75, 20.15], [-4.5, 20.25], [-3.97, 20.03], [-3.75, 19.5], [-3.85, 19.25], [-3.75, 19.0], [-3.97, 18.47], [-4.32, 18.32], [-4.47, 17.97], [-4.82, 17.82], [-4.97, 17.47], [-5.5, 17.25], [-5.75, 17.35], [-6.0, 17.25], [-6.25, 17.35], [-6.5, 17.25], [-6.75, 17.35], [-7.0, 17.25], [-7.53, 17.47], [-7.68, 17.82], [-7.75, 17.85], [-8.0, 17.75], [-8.25, 17.85], [-8.5, 17.75], [-9.03, 17.97]]]]}, "2024-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.03, 17.97], [-9.25, 18.5], [-9.03, 19.03], [-8.5, 19.25], [-8.25, 19.15], [-8.18, 19.18], [-8.15, 19.25], [-8.25, 19.5], [-8.03, 20.03], [-7.5, 20.25], [-7.0, 20.04], [-6.5, 20.25], [-6.25, 20.15], [-6.0, 20.25], [-5.75, 20.15], [-5.5, 20.25], [-5.25, 20.15], [-5.0, 20.25], [-4.75, 20.15], [-4.5, 20.25], [-3.97, 20.03], [-3.75, 19.5], [-3.85, 19.25], [-3.75, 19.0], [-3.97, 18.47], [-4.32, 18.32], [-4.47, 17.97], [-4.82, 17.82], [-4.97, 17.47], [-5.5, 17.25], [-5.75, 17.35], [-6.0, 17.25], [-6.25, 17.35], [-6.5, 17.25], [-6.75, 17.35], [-7.0, 17.25], [-7.53, 17.47], [-7.68, 17.82], [-7.75, 17.85], [-8.0, 17.75], [-8.25, 17.85], [-8.5, 17.75], [-9.03, 17.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.1092222386727144}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.1957427866627963}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.195617093460726, 36.95782639679936, 36.36395419517214]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.547648354611454, 38.0717828668931, 37.71251517883138]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.8587262905561714, 2.65094066181661, 2.077561407615608]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.38150195082585, 3.1092222386727144, 2.9851813463196777]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6598919133461516, 2.332257914254687, 1.790460801326153]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0254558384289747, 2.8763283830154025, 2.672176136995595]}}