{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:52:57.931527", "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-Aug-10_to_2024-Aug-13_351.0_18.5"}, "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": 2024080001657}, "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": "August 10 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 13 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 78971.04498472641}, "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": 18.5}, "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": 351.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "351.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 350.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 356.25}, "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": {"2024-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.03, 18.97], [-5.25, 19.5], [-5.03, 20.03], [-4.5, 20.25], [-4.25, 20.15], [-4.0, 20.25], [-3.47, 20.03], [-3.25, 19.5], [-3.47, 18.97], [-4.0, 18.75], [-4.25, 18.85], [-4.5, 18.75], [-5.03, 18.97]]]]}, "2024-08-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.03, 19.53], [-9.68, 19.68], [-9.53, 20.03], [-9.0, 20.25], [-8.75, 20.15], [-8.5, 20.25], [-7.97, 20.03], [-7.82, 19.68], [-7.75, 19.65], [-7.68, 19.68], [-7.53, 20.03], [-7.0, 20.25], [-6.75, 20.15], [-6.5, 20.25], [-5.97, 20.03], [-5.82, 19.68], [-5.75, 19.65], [-5.5, 19.75], [-5.25, 19.65], [-5.18, 19.68], [-5.03, 20.03], [-4.5, 20.25], [-4.25, 20.15], [-4.0, 20.25], [-3.47, 20.03], [-3.25, 19.5], [-3.47, 18.97], [-3.87, 18.8], [-3.75, 18.5], [-3.97, 17.97], [-4.5, 17.75], [-4.75, 17.85], [-5.0, 17.75], [-5.5, 17.96], [-5.82, 17.82], [-5.97, 17.47], [-6.5, 17.25], [-6.75, 17.35], [-7.0, 17.25], [-7.53, 17.47], [-7.7, 17.88], [-8.0, 17.75], [-8.25, 17.85], [-8.5, 17.75], [-8.75, 17.85], [-9.0, 17.75], [-9.25, 17.85], [-9.5, 17.75], [-10.03, 17.97], [-10.25, 18.5], [-10.15, 18.75], [-10.25, 19.0], [-10.03, 19.53]]]]}, "2024-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.03, 19.53], [-9.68, 19.68], [-9.53, 20.03], [-9.0, 20.25], [-8.75, 20.15], [-8.5, 20.25], [-7.97, 20.03], [-7.82, 19.68], [-7.75, 19.65], [-7.68, 19.68], [-7.53, 20.03], [-7.0, 20.25], [-6.75, 20.15], [-6.5, 20.25], [-5.97, 20.03], [-5.82, 19.68], [-5.75, 19.65], [-5.5, 19.75], [-5.25, 19.65], [-5.18, 19.68], [-5.03, 20.03], [-4.5, 20.25], [-4.25, 20.15], [-4.0, 20.25], [-3.47, 20.03], [-3.25, 19.5], [-3.47, 18.97], [-3.87, 18.8], [-3.75, 18.5], [-3.97, 17.97], [-4.5, 17.75], [-4.75, 17.85], [-5.0, 17.75], [-5.5, 17.96], [-5.82, 17.82], [-5.97, 17.47], [-6.5, 17.25], [-6.75, 17.35], [-7.0, 17.25], [-7.53, 17.47], [-7.7, 17.88], [-8.0, 17.75], [-8.25, 17.85], [-8.5, 17.75], [-8.75, 17.85], [-9.0, 17.75], [-9.25, 17.85], [-9.5, 17.75], [-10.03, 17.97], [-10.25, 18.5], [-10.15, 18.75], [-10.25, 19.0], [-10.03, 19.53]]]]}, "2024-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-10.03, 19.53], [-9.68, 19.68], [-9.53, 20.03], [-9.0, 20.25], [-8.75, 20.15], [-8.5, 20.25], [-7.97, 20.03], [-7.82, 19.68], [-7.75, 19.65], [-7.68, 19.68], [-7.53, 20.03], [-7.0, 20.25], [-6.75, 20.15], [-6.5, 20.25], [-5.97, 20.03], [-5.82, 19.68], [-5.75, 19.65], [-5.5, 19.75], [-5.25, 19.65], [-5.0, 19.75], [-4.47, 19.53], [-4.32, 19.18], [-3.97, 19.03], [-3.75, 18.5], [-3.97, 17.97], [-4.5, 17.75], [-4.75, 17.85], [-5.0, 17.75], [-5.5, 17.96], [-5.82, 17.82], [-5.97, 17.47], [-6.5, 17.25], [-6.75, 17.35], [-7.0, 17.25], [-7.53, 17.47], [-7.7, 17.88], [-8.0, 17.75], [-8.25, 17.85], [-8.5, 17.75], [-8.75, 17.85], [-9.0, 17.75], [-9.25, 17.85], [-9.5, 17.75], [-10.03, 17.97], [-10.25, 18.5], [-10.15, 18.75], [-10.25, 19.0], [-10.03, 19.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.224562779525911}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.511159321465426}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [36.02221875588242, 35.517496533552674, 35.62102483113898, 35.403835560595724]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.15510822905003, 36.79764901408595, 36.20644565454393, 36.423238507850726]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9881211994518821, 2.4526538245074767, 2.6214681918212217, 2.497054727956836]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0736892847348827, 2.9018997005387632, 3.224562779525911, 3.1061957672000062]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2643621080943568, 1.3725305049817378, 1.462506321447557, 1.3879949077684715]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3136477175530268, 1.7390994909124624, 1.6612041275505405, 1.6611264791559577]}}