{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:59:42.814158", "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": "2026-May-15_to_2026-May-19_141.5_-8.5"}, "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": 2026050001770}, "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": "May 15 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 19 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 67409.75685924588}, "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": ["Indonesia", "Papua New Guinea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": -8.5}, "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": 141.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "141.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 140.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.96, -7.5], [139.75, -7.0], [139.97, -6.47], [140.32, -6.32], [140.47, -5.97], [141.0, -5.75], [141.25, -5.85], [141.5, -5.75], [141.75, -5.85], [142.0, -5.75], [142.25, -5.85], [142.5, -5.75], [143.03, -5.97], [143.25, -6.5], [143.15, -6.75], [143.18, -6.82], [143.53, -6.97], [143.75, -7.5], [143.53, -8.03], [143.13, -8.2], [143.25, -8.5], [143.03, -9.03], [142.5, -9.25], [142.25, -9.15], [142.0, -9.25], [141.75, -9.15], [141.5, -9.25], [141.25, -9.15], [141.0, -9.25], [140.75, -9.15], [140.5, -9.25], [139.97, -9.03], [139.75, -8.5], [139.85, -8.25], [139.75, -8.0], [139.96, -7.5]]]]}, "2026-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.96, -7.5], [139.75, -7.0], [139.97, -6.47], [140.32, -6.32], [140.47, -5.97], [141.0, -5.75], [141.25, -5.85], [141.5, -5.75], [141.75, -5.85], [142.0, -5.75], [142.25, -5.85], [142.5, -5.75], [143.03, -5.97], [143.25, -6.5], [143.15, -6.75], [143.18, -6.82], [143.53, -6.97], [143.75, -7.5], [143.53, -8.03], [143.13, -8.2], [143.25, -8.5], [143.03, -9.03], [142.5, -9.25], [142.25, -9.15], [142.0, -9.25], [141.75, -9.15], [141.5, -9.25], [141.25, -9.15], [141.0, -9.25], [140.75, -9.15], [140.5, -9.25], [139.97, -9.03], [139.75, -8.5], [139.85, -8.25], [139.75, -8.0], [139.96, -7.5]]]]}, "2026-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.96, -7.5], [139.75, -7.0], [139.97, -6.47], [140.32, -6.32], [140.47, -5.97], [141.0, -5.75], [141.25, -5.85], [141.5, -5.75], [141.75, -5.85], [142.0, -5.75], [142.25, -5.85], [142.5, -5.75], [143.03, -5.97], [143.25, -6.5], [143.15, -6.75], [143.18, -6.82], [143.53, -6.97], [143.75, -7.5], [143.53, -8.03], [143.13, -8.2], [143.25, -8.5], [143.03, -9.03], [142.5, -9.25], [142.25, -9.15], [142.0, -9.25], [141.75, -9.15], [141.5, -9.25], [141.25, -9.15], [141.0, -9.25], [140.75, -9.15], [140.5, -9.25], [139.97, -9.03], [139.75, -8.5], [139.85, -8.25], [139.75, -8.0], [139.96, -7.5]]]]}, "2026-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.47, -9.03], [140.25, -8.5], [140.47, -7.97], [141.0, -7.75], [141.25, -7.85], [141.5, -7.75], [141.75, -7.85], [142.0, -7.75], [142.53, -7.97], [142.75, -8.5], [142.53, -9.03], [142.0, -9.25], [141.75, -9.15], [141.5, -9.25], [141.25, -9.15], [141.0, -9.25], [140.47, -9.03]]]]}, "2026-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.47, -9.03], [140.25, -8.5], [140.47, -7.97], [141.0, -7.75], [141.25, -7.85], [141.5, -7.75], [141.75, -7.85], [142.0, -7.75], [142.53, -7.97], [142.75, -8.5], [142.53, -9.03], [142.0, -9.25], [141.75, -9.15], [141.5, -9.25], [141.25, -9.15], [141.0, -9.25], [140.47, -9.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.8755797767446438}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3561866941292082}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.297317528002225, 27.63002166748049, 27.70809152776542, 27.30019361707906, 27.370907084147177]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.904365793863974, 28.14027557373049, 28.174670155843103, 27.468840535481775, 27.63221893310549]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1199376138419113, 1.4667107893619402, 1.5515437246955008, 1.053475566991627, 1.1482628208474541]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3173576441199089, 1.7198068279363952, 1.8755797767446438, 1.0578711273282124, 1.2359668992897923]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4168862578238597, 1.9036253139247383, 2.0547216287651326, 1.4218512168431008, 1.5846158296537205]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5834153571342926, 2.2452391890915244, 2.4780356419717804, 1.4417410933017971, 1.7048480138376918]}}