{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-20 10:52:21.511973", "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-Mar-01_to_2026-Mar-04_143.5_-7.0"}, "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": 2026030001011}, "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": "March 01 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 04 2026"}, "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": 55316.17620460612}, "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": -7.0}, "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": 143.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "143.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 138.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 144.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.47, -4.47], [139.0, -4.25], [139.5, -4.46], [140.0, -4.25], [140.53, -4.47], [140.68, -4.82], [141.03, -4.97], [141.2, -5.37], [141.5, -5.25], [141.75, -5.35], [142.0, -5.25], [142.53, -5.47], [142.68, -5.82], [143.03, -5.97], [143.2, -6.37], [143.5, -6.25], [144.03, -6.47], [144.25, -7.0], [144.15, -7.25], [144.25, -7.5], [144.03, -8.03], [143.5, -8.25], [142.97, -8.03], [142.8, -7.63], [142.5, -7.75], [141.97, -7.53], [141.82, -7.18], [141.47, -7.03], [141.32, -6.68], [140.97, -6.53], [140.8, -6.13], [140.5, -6.25], [140.25, -6.15], [140.0, -6.25], [139.75, -6.15], [139.5, -6.25], [139.25, -6.15], [139.0, -6.25], [138.47, -6.03], [138.25, -5.5], [138.35, -5.25], [138.25, -5.0], [138.47, -4.47]]]]}, "2026-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.47, -4.47], [139.0, -4.25], [139.5, -4.46], [140.0, -4.25], [140.53, -4.47], [140.68, -4.82], [141.03, -4.97], [141.18, -5.32], [141.25, -5.35], [141.5, -5.25], [141.75, -5.35], [142.0, -5.25], [142.25, -5.35], [142.5, -5.25], [143.03, -5.47], [143.18, -5.82], [143.25, -5.85], [143.5, -5.75], [144.03, -5.97], [144.18, -6.32], [144.53, -6.47], [144.75, -7.0], [144.53, -7.53], [144.18, -7.68], [144.03, -8.03], [143.5, -8.25], [142.97, -8.03], [142.8, -7.63], [142.5, -7.75], [141.97, -7.53], [141.82, -7.18], [141.47, -7.03], [141.32, -6.68], [141.25, -6.65], [141.0, -6.75], [140.47, -6.53], [140.32, -6.18], [140.25, -6.15], [140.0, -6.25], [139.75, -6.15], [139.5, -6.25], [139.25, -6.15], [139.0, -6.25], [138.47, -6.03], [138.25, -5.5], [138.35, -5.25], [138.25, -5.0], [138.47, -4.47]]]]}, "2026-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.47, -4.47], [139.0, -4.25], [139.5, -4.46], [140.0, -4.25], [140.53, -4.47], [140.68, -4.82], [141.03, -4.97], [141.18, -5.32], [141.25, -5.35], [141.5, -5.25], [141.75, -5.35], [142.0, -5.25], [142.25, -5.35], [142.5, -5.25], [143.03, -5.47], [143.18, -5.82], [143.25, -5.85], [143.5, -5.75], [144.03, -5.97], [144.18, -6.32], [144.53, -6.47], [144.75, -7.0], [144.53, -7.53], [144.18, -7.68], [144.03, -8.03], [143.5, -8.25], [142.97, -8.03], [142.8, -7.63], [142.5, -7.75], [141.97, -7.53], [141.82, -7.18], [141.47, -7.03], [141.32, -6.68], [141.25, -6.65], [141.0, -6.75], [140.47, -6.53], [140.32, -6.18], [140.25, -6.15], [140.0, -6.25], [139.75, -6.15], [139.5, -6.25], [139.25, -6.15], [139.0, -6.25], [138.47, -6.03], [138.25, -5.5], [138.35, -5.25], [138.25, -5.0], [138.47, -4.47]]]]}, "2026-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.47, -4.47], [140.0, -4.25], [140.53, -4.47], [140.68, -4.82], [141.03, -4.97], [141.18, -5.32], [141.25, -5.35], [141.5, -5.25], [142.0, -5.46], [142.5, -5.25], [143.03, -5.47], [143.18, -5.82], [143.25, -5.85], [143.5, -5.75], [144.03, -5.97], [144.18, -6.32], [144.53, -6.47], [144.75, -7.0], [144.53, -7.53], [144.0, -7.75], [143.75, -7.65], [143.5, -7.75], [142.97, -7.53], [142.82, -7.18], [142.47, -7.03], [142.32, -6.68], [142.0, -6.54], [141.5, -6.75], [141.25, -6.65], [141.0, -6.75], [140.47, -6.53], [140.32, -6.18], [140.25, -6.15], [140.0, -6.25], [139.47, -6.03], [139.25, -5.5], [139.35, -5.25], [139.25, -5.0], [139.47, -4.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.932240942752628}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.803411783142105}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.805466735057394, 27.33253405535669, 27.98386267202875, 25.8916025797526]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.994156138102255, 29.357784525553427, 30.108953094482445, 28.10096130371096]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4615307274133285, 1.7392353581935727, 2.4255273712576204, 1.2435666618889456]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.0927056478320196, 2.322426699657399, 2.932240942752628, 1.6229148047765989]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5600973860502054, 1.96111275893518, 2.7595483131997005, 1.51841078134795]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.210664950681218, 2.7310940370328463, 3.477764162697739, 1.9242803529628592]}}