{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:46.312315", "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-Oct-06_to_2020-Oct-08_353.5_18.0"}, "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": 2020100001350}, "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": "October 06 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 08 2020"}, "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": 61181.570112586036}, "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": ["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": 18.0}, "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": 353.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "353.5\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": 353.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 17.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 21.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.75, 20.5], [-9.53, 21.03], [-9.18, 21.18], [-9.03, 21.53], [-8.5, 21.75], [-7.97, 21.53], [-7.82, 21.18], [-7.75, 21.15], [-7.5, 21.25], [-6.97, 21.03], [-6.75, 20.5], [-6.85, 20.25], [-6.75, 20.0], [-6.85, 19.75], [-6.75, 19.5], [-6.85, 19.25], [-6.75, 19.0], [-6.85, 18.75], [-6.82, 18.68], [-6.75, 18.65], [-6.5, 18.75], [-5.97, 18.53], [-5.75, 18.0], [-5.85, 17.75], [-5.75, 17.5], [-5.97, 16.97], [-6.5, 16.75], [-7.03, 16.97], [-7.18, 17.32], [-7.53, 17.47], [-7.68, 17.82], [-8.03, 17.97], [-8.18, 18.32], [-8.25, 18.35], [-8.5, 18.25], [-9.03, 18.47], [-9.18, 18.82], [-9.25, 18.85], [-9.5, 18.75], [-10.03, 18.97], [-10.25, 19.5], [-10.03, 20.03], [-9.68, 20.18], [-9.65, 20.25], [-9.75, 20.5]]]]}, "2020-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.75, 20.5], [-9.53, 21.03], [-9.18, 21.18], [-9.03, 21.53], [-8.5, 21.75], [-7.97, 21.53], [-7.82, 21.18], [-7.75, 21.15], [-7.5, 21.25], [-6.97, 21.03], [-6.75, 20.5], [-6.85, 20.25], [-6.75, 20.0], [-6.85, 19.75], [-6.75, 19.5], [-6.85, 19.25], [-6.75, 19.0], [-6.85, 18.75], [-6.82, 18.68], [-6.75, 18.65], [-6.5, 18.75], [-5.97, 18.53], [-5.75, 18.0], [-5.85, 17.75], [-5.75, 17.5], [-5.97, 16.97], [-6.5, 16.75], [-7.03, 16.97], [-7.18, 17.32], [-7.53, 17.47], [-7.68, 17.82], [-8.03, 17.97], [-8.18, 18.32], [-8.25, 18.35], [-8.5, 18.25], [-9.03, 18.47], [-9.18, 18.82], [-9.25, 18.85], [-9.5, 18.75], [-10.03, 18.97], [-10.25, 19.5], [-10.03, 20.03], [-9.68, 20.18], [-9.65, 20.25], [-9.75, 20.5]]]]}, "2020-10-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-9.75, 20.5], [-9.53, 21.03], [-9.18, 21.18], [-9.03, 21.53], [-8.5, 21.75], [-7.97, 21.53], [-7.82, 21.18], [-7.75, 21.15], [-7.5, 21.25], [-6.97, 21.03], [-6.75, 20.5], [-6.85, 20.25], [-6.75, 20.0], [-6.85, 19.75], [-6.75, 19.5], [-6.85, 19.25], [-6.75, 19.0], [-6.85, 18.75], [-6.82, 18.68], [-6.75, 18.65], [-6.5, 18.75], [-5.97, 18.53], [-5.75, 18.0], [-5.85, 17.75], [-5.75, 17.5], [-5.97, 16.97], [-6.5, 16.75], [-7.03, 16.97], [-7.18, 17.32], [-7.53, 17.47], [-7.68, 17.82], [-8.03, 17.97], [-8.18, 18.32], [-8.25, 18.35], [-8.5, 18.25], [-9.03, 18.47], [-9.18, 18.82], [-9.25, 18.85], [-9.5, 18.75], [-10.03, 18.97], [-10.25, 19.5], [-10.03, 20.03], [-9.68, 20.18], [-9.65, 20.25], [-9.75, 20.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.296024627707482}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.0848690530211176}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [32.928619169338106, 33.94653970402982, 32.99592066452743]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [33.42895834088364, 35.25984855260566, 33.9835421470471]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.5744238490799787, 3.740646194586001, 2.9395371153973726]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.9148316642567806, 4.296024627707482, 4.1485012331538655]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4449918472714127, 2.061687133844586, 1.5719531121696249]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.818711481207581, 2.6319475059441744, 2.302168083767645]}}