{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:01.343879", "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": "2015-Oct-03_to_2015-Oct-05_59.0_-21.5"}, "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": 2015100001096}, "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 03 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 05 2015"}, "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": 94761.49244792179}, "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": ["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": -21.5}, "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": 59.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "59.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 54.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 61.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.25}, "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": {"2015-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.5, -20.25], [55.75, -20.35], [56.0, -20.25], [56.25, -20.35], [56.5, -20.25], [56.75, -20.35], [57.0, -20.25], [57.25, -20.35], [57.32, -20.32], [57.35, -20.25], [57.25, -20.0], [57.47, -19.47], [58.0, -19.25], [58.53, -19.47], [58.75, -20.0], [58.65, -20.25], [58.68, -20.32], [59.03, -20.47], [59.18, -20.82], [59.25, -20.85], [59.5, -20.75], [60.03, -20.97], [60.18, -21.32], [60.25, -21.35], [60.5, -21.25], [60.75, -21.35], [61.0, -21.25], [61.25, -21.35], [61.5, -21.25], [62.03, -21.47], [62.25, -22.0], [62.03, -22.53], [61.5, -22.75], [61.25, -22.65], [61.0, -22.75], [60.75, -22.65], [60.5, -22.75], [60.25, -22.65], [60.0, -22.75], [59.75, -22.65], [59.5, -22.75], [59.25, -22.65], [59.18, -22.68], [59.03, -23.03], [58.68, -23.18], [58.53, -23.53], [58.0, -23.75], [57.75, -23.65], [57.5, -23.75], [57.25, -23.65], [57.0, -23.75], [56.47, -23.53], [56.25, -23.0], [56.35, -22.75], [56.32, -22.68], [55.97, -22.53], [55.75, -22.0], [55.85, -21.75], [55.82, -21.68], [55.75, -21.65], [55.68, -21.68], [55.53, -22.03], [55.0, -22.25], [54.47, -22.03], [54.25, -21.5], [54.47, -20.97], [54.82, -20.82], [54.97, -20.47], [55.5, -20.25]]]]}, "2015-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.5, -20.25], [55.75, -20.35], [56.0, -20.25], [56.25, -20.35], [56.5, -20.25], [56.75, -20.35], [57.0, -20.25], [57.25, -20.35], [57.32, -20.32], [57.35, -20.25], [57.25, -20.0], [57.47, -19.47], [58.0, -19.25], [58.53, -19.47], [58.75, -20.0], [58.65, -20.25], [58.68, -20.32], [59.03, -20.47], [59.18, -20.82], [59.25, -20.85], [59.5, -20.75], [60.03, -20.97], [60.18, -21.32], [60.25, -21.35], [60.5, -21.25], [60.75, -21.35], [61.0, -21.25], [61.25, -21.35], [61.5, -21.25], [62.03, -21.47], [62.25, -22.0], [62.03, -22.53], [61.5, -22.75], [61.25, -22.65], [61.0, -22.75], [60.75, -22.65], [60.5, -22.75], [60.25, -22.65], [60.0, -22.75], [59.75, -22.65], [59.5, -22.75], [59.25, -22.65], [59.18, -22.68], [59.03, -23.03], [58.68, -23.18], [58.53, -23.53], [58.0, -23.75], [57.75, -23.65], [57.5, -23.75], [57.25, -23.65], [57.0, -23.75], [56.47, -23.53], [56.25, -23.0], [56.35, -22.75], [56.32, -22.68], [55.97, -22.53], [55.75, -22.0], [55.85, -21.75], [55.82, -21.68], [55.75, -21.65], [55.68, -21.68], [55.53, -22.03], [55.0, -22.25], [54.47, -22.03], [54.25, -21.5], [54.47, -20.97], [54.82, -20.82], [54.97, -20.47], [55.5, -20.25]]]]}, "2015-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.5, -20.25], [55.75, -20.35], [56.0, -20.25], [56.25, -20.35], [56.5, -20.25], [56.75, -20.35], [57.0, -20.25], [57.25, -20.35], [57.32, -20.32], [57.35, -20.25], [57.25, -20.0], [57.47, -19.47], [58.0, -19.25], [58.53, -19.47], [58.75, -20.0], [58.65, -20.25], [58.68, -20.32], [59.03, -20.47], [59.18, -20.82], [59.25, -20.85], [59.5, -20.75], [60.03, -20.97], [60.18, -21.32], [60.25, -21.35], [60.5, -21.25], [60.75, -21.35], [61.0, -21.25], [61.25, -21.35], [61.5, -21.25], [62.03, -21.47], [62.25, -22.0], [62.03, -22.53], [61.5, -22.75], [61.25, -22.65], [61.0, -22.75], [60.75, -22.65], [60.5, -22.75], [60.25, -22.65], [60.0, -22.75], [59.75, -22.65], [59.5, -22.75], [59.25, -22.65], [59.18, -22.68], [59.03, -23.03], [58.68, -23.18], [58.53, -23.53], [58.0, -23.75], [57.75, -23.65], [57.5, -23.75], [57.25, -23.65], [57.0, -23.75], [56.47, -23.53], [56.25, -23.0], [56.35, -22.75], [56.32, -22.68], [55.97, -22.53], [55.75, -22.0], [55.85, -21.75], [55.82, -21.68], [55.75, -21.65], [55.68, -21.68], [55.53, -22.03], [55.0, -22.25], [54.47, -22.03], [54.25, -21.5], [54.47, -20.97], [54.82, -20.82], [54.97, -20.47], [55.5, -20.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6677464972553935}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.132699424506426}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.012489669461218, 23.402751895213214, 23.20702590661483]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.529537077766406, 23.827598964689287, 23.739669639214128]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9853031606319601, 1.327321504325732, 1.0854736085615855]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.1136535750955545, 1.5960085743801073, 1.6677464972553935]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.391911622953139, 1.8818664796716502, 1.4900990842595832]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5323507719595106, 2.044063363424747, 1.7918088729066008]}}