{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:08.838852", "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": "2020-Aug-05_to_2020-Aug-08_357.0_31.0"}, "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": 2020080001540}, "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 05 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 08 2020"}, "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": 72326.85171497037}, "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": ["Algeria", "Morocco"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "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": 31.0}, "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": 357.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "357.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 354.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 357.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-08-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.53, 30.03], [-5.0, 30.25], [-4.75, 30.15], [-4.62, 30.2], [-4.75, 30.5], [-4.62, 30.8], [-4.75, 30.85], [-5.0, 30.75], [-5.53, 30.97], [-5.75, 31.5], [-5.53, 32.03], [-5.0, 32.25], [-4.75, 32.15], [-4.5, 32.25], [-4.25, 32.15], [-4.0, 32.25], [-3.47, 32.03], [-3.3, 31.62], [-3.18, 31.68], [-3.03, 32.03], [-2.5, 32.25], [-1.97, 32.03], [-1.75, 31.5], [-1.97, 30.97], [-2.32, 30.82], [-2.47, 30.47], [-3.0, 30.25], [-2.47, 30.03], [-2.25, 29.5], [-2.47, 28.97], [-3.0, 28.75], [-3.25, 28.85], [-3.32, 28.82], [-3.35, 28.75], [-3.32, 28.68], [-2.97, 28.53], [-2.75, 28.0], [-2.97, 27.47], [-3.5, 27.25], [-3.8, 27.38], [-3.97, 26.97], [-4.5, 26.75], [-5.03, 26.97], [-5.18, 27.32], [-5.25, 27.35], [-5.5, 27.25], [-6.03, 27.47], [-6.25, 28.0], [-6.03, 28.53], [-5.62, 28.7], [-5.75, 29.0], [-5.65, 29.25], [-5.75, 29.5], [-5.53, 30.03]], [[-3.3, 30.38], [-3.37, 30.2], [-3.25, 30.15], [-3.0, 30.25], [-3.3, 30.38]]]]}, "2020-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.53, 30.03], [-5.0, 30.25], [-4.75, 30.15], [-4.68, 30.18], [-4.65, 30.25], [-4.68, 30.32], [-5.03, 30.47], [-5.18, 30.82], [-5.53, 30.97], [-5.75, 31.5], [-5.53, 32.03], [-5.0, 32.25], [-4.75, 32.15], [-4.5, 32.25], [-4.25, 32.15], [-4.0, 32.25], [-3.5, 32.04], [-3.0, 32.25], [-2.75, 32.15], [-2.5, 32.25], [-1.97, 32.03], [-1.75, 31.5], [-1.85, 31.25], [-1.75, 31.0], [-1.97, 30.47], [-2.32, 30.32], [-2.46, 30.0], [-2.25, 29.5], [-2.47, 28.97], [-3.0, 28.75], [-3.25, 28.85], [-3.32, 28.82], [-3.35, 28.75], [-3.32, 28.68], [-2.97, 28.53], [-2.75, 28.0], [-2.97, 27.47], [-3.5, 27.25], [-3.75, 27.35], [-3.82, 27.32], [-3.97, 26.97], [-4.5, 26.75], [-5.03, 26.97], [-5.18, 27.32], [-5.25, 27.35], [-5.5, 27.25], [-6.03, 27.47], [-6.25, 28.0], [-6.03, 28.53], [-5.62, 28.7], [-5.75, 29.0], [-5.65, 29.25], [-5.75, 29.5], [-5.53, 30.03]]]]}, "2020-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.53, 30.03], [-5.0, 30.25], [-4.75, 30.15], [-4.68, 30.18], [-4.65, 30.25], [-4.68, 30.32], [-5.03, 30.47], [-5.18, 30.82], [-5.53, 30.97], [-5.75, 31.5], [-5.53, 32.03], [-5.0, 32.25], [-4.75, 32.15], [-4.5, 32.25], [-4.25, 32.15], [-4.0, 32.25], [-3.5, 32.04], [-3.0, 32.25], [-2.75, 32.15], [-2.5, 32.25], [-1.97, 32.03], [-1.75, 31.5], [-1.85, 31.25], [-1.75, 31.0], [-1.97, 30.47], [-2.32, 30.32], [-2.46, 30.0], [-2.25, 29.5], [-2.47, 28.97], [-3.0, 28.75], [-3.25, 28.85], [-3.32, 28.82], [-3.35, 28.75], [-3.32, 28.68], [-2.97, 28.53], [-2.75, 28.0], [-2.97, 27.47], [-3.5, 27.25], [-3.75, 27.35], [-3.82, 27.32], [-3.97, 26.97], [-4.5, 26.75], [-5.03, 26.97], [-5.18, 27.32], [-5.25, 27.35], [-5.5, 27.25], [-6.03, 27.47], [-6.25, 28.0], [-6.03, 28.53], [-5.62, 28.7], [-5.75, 29.0], [-5.65, 29.25], [-5.75, 29.5], [-5.53, 30.03]]]]}, "2020-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.53, 30.03], [-5.0, 30.25], [-4.75, 30.15], [-4.68, 30.18], [-4.65, 30.25], [-4.68, 30.32], [-5.03, 30.47], [-5.25, 31.0], [-5.03, 31.53], [-4.68, 31.68], [-4.53, 32.03], [-4.0, 32.25], [-3.5, 32.04], [-3.0, 32.25], [-2.75, 32.15], [-2.5, 32.25], [-1.97, 32.03], [-1.75, 31.5], [-1.85, 31.25], [-1.75, 31.0], [-1.97, 30.47], [-2.32, 30.32], [-2.47, 29.97], [-3.0, 29.75], [-3.25, 29.85], [-3.32, 29.82], [-3.47, 29.47], [-3.82, 29.32], [-3.87, 29.2], [-3.47, 29.03], [-3.25, 28.5], [-3.35, 28.25], [-3.25, 28.0], [-3.47, 27.47], [-4.0, 27.25], [-4.53, 27.47], [-4.75, 28.0], [-4.65, 28.25], [-4.7, 28.38], [-5.0, 28.25], [-5.53, 28.47], [-5.75, 29.0], [-5.65, 29.25], [-5.75, 29.5], [-5.53, 30.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.0471145672082685}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.216581784443375}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [38.01059890296341, 38.39315859523418, 38.053914753815434, 37.82573622492998]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [39.17361086143279, 40.0787018463123, 39.06485416122712, 39.12540339797539]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9682756353485173, 2.487632309841055, 2.188083425166429, 2.0942642667049975]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.1450621652078894, 3.0471145672082685, 2.8231625253220045, 2.4451578398890206]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3083821755230582, 1.6815595031688793, 1.4746514516711853, 1.3663909351468484]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4213389803619318, 1.9739111181269762, 1.9305506202644727, 1.5896561520161097]}}