{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:08.404438", "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": "2019-Feb-04_to_2019-Feb-07_55.5_-21.0"}, "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": 2019020001262}, "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": "February 04 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 07 2019"}, "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": 54960.33741858322}, "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": ["R\u00e9union"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Madagascar", "S.Indian-Ocean"]}, "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": ["Indian Ocean"]}, "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": -21.0}, "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": 55.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "55.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 50.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 55.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[51.75, -21.0], [51.97, -20.47], [52.5, -20.25], [53.03, -20.47], [53.18, -20.82], [53.25, -20.85], [53.5, -20.75], [53.75, -20.85], [54.0, -20.75], [54.43, -20.93], [54.32, -20.68], [53.97, -20.53], [53.75, -20.0], [53.97, -19.47], [54.5, -19.25], [54.75, -19.35], [55.0, -19.25], [55.53, -19.47], [55.75, -20.0], [55.65, -20.25], [55.68, -20.32], [56.03, -20.47], [56.25, -21.0], [56.03, -21.53], [55.5, -21.75], [54.97, -21.53], [54.82, -21.18], [54.57, -21.07], [54.75, -21.5], [54.53, -22.03], [54.0, -22.25], [53.75, -22.15], [53.5, -22.25], [53.25, -22.15], [53.0, -22.25], [52.47, -22.03], [52.32, -21.68], [51.97, -21.53], [51.75, -21.0]]]]}, "2019-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.46, -20.0], [50.25, -19.5], [50.47, -18.97], [51.0, -18.75], [51.53, -18.97], [51.68, -19.32], [52.03, -19.47], [52.18, -19.82], [52.53, -19.97], [52.68, -20.32], [53.03, -20.47], [53.18, -20.82], [53.25, -20.85], [53.5, -20.75], [53.75, -20.85], [53.82, -20.82], [53.88, -20.7], [53.47, -20.53], [53.32, -20.18], [52.97, 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t2m", "description": "The daily evolution of maximum t2m.", "value": [27.768174490359854, 28.034889104452645, 27.864631960019608, 27.983164595554513]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9357250769997734, 1.0378087371233367, 0.8849852531020528, 0.9660106660421299]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4156403120086338, 1.954618207711178, 1.178115924114195, 1.0887862860854511]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.398009227446916, 1.5941146427188055, 1.354093693946498, 1.4575279720765721]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8928619637004236, 2.567685992088233, 1.557421272765351, 1.6505909177880145]}}