{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:04:07.011884", "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": "2025-Mar-14_to_2025-Mar-17_138.5_-6.5"}, "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": 2025030001754}, "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 14 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 17 2025"}, "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": 70706.75255879873}, "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"]}, "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": ["Arafura Sea"]}, "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": -6.5}, "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": 138.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "138.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 136.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 140.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -7.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -5.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[136.82, -4.82], [136.97, -4.47], [137.5, -4.25], [137.75, -4.35], [138.0, -4.25], [138.25, -4.35], [138.5, -4.25], [139.03, -4.47], [139.18, -4.82], [139.25, -4.85], [139.5, -4.75], [139.75, -4.85], [140.0, -4.75], [140.53, -4.97], [140.75, -5.5], [140.53, -6.03], [140.0, -6.25], [139.75, -6.15], [139.68, -6.18], [139.53, -6.53], [139.18, -6.68], [139.15, -6.75], [139.25, -7.0], [139.03, -7.53], [138.5, -7.75], [138.25, -7.65], [138.0, -7.75], [137.75, -7.65], [137.5, -7.75], [136.97, -7.53], [136.82, -7.18], [136.75, -7.15], [136.5, -7.25], [135.97, -7.03], [135.75, -6.5], [135.96, -6.0], [135.75, -5.5], [135.97, -4.97], [136.5, -4.75], [136.75, -4.85], [136.82, -4.82]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.97, -4.97], [136.5, -4.75], [136.75, -4.85], [136.82, -4.82], [136.97, -4.47], [137.5, -4.25], [137.75, -4.35], [138.0, -4.25], [138.53, -4.47], [138.75, -5.0], [138.54, -5.5], [138.68, -5.82], [139.03, -5.97], [139.25, -6.5], [139.03, -7.03], [138.68, -7.18], [138.53, -7.53], [138.0, -7.75], [137.75, -7.65], [137.5, -7.75], [136.97, -7.53], [136.82, -7.18], [136.75, -7.15], [136.5, -7.25], [135.97, -7.03], [135.75, -6.5], [135.96, -6.0], [135.75, -5.5], [135.97, -4.97]]], [[[140.0, -6.25], [139.47, -6.03], [139.25, -5.5], [139.47, -4.97], [140.0, -4.75], [140.53, -4.97], [140.75, -5.5], [140.53, -6.03], [140.0, -6.25]]]]}, "2025-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.75, -5.5], [135.97, -4.97], [136.5, -4.75], [136.75, -4.85], [136.82, -4.82], [136.97, -4.47], [137.5, -4.25], [137.75, -4.35], [138.0, -4.25], [138.25, -4.35], [138.5, -4.25], [139.03, -4.47], [139.18, -4.82], [139.25, -4.85], [139.5, -4.75], [139.75, -4.85], [140.0, -4.75], [140.53, -4.97], [140.75, -5.5], [140.53, -6.03], [140.0, -6.25], [139.75, -6.15], [139.68, -6.18], [139.53, -6.53], [139.18, -6.68], [139.15, -6.75], [139.25, -7.0], [139.03, -7.53], [138.5, -7.75], [138.25, -7.65], [138.0, -7.75], [137.75, -7.65], [137.5, -7.75], [136.97, -7.53], [136.82, -7.18], [136.75, -7.15], [136.5, -7.25], [135.97, -7.03], [135.75, -6.5], [135.96, -6.0], [135.75, -5.5]]]]}, "2025-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.75, -5.5], [135.97, -4.97], [136.5, -4.75], [136.75, -4.85], [136.82, -4.82], [136.97, -4.47], [137.5, -4.25], [137.75, -4.35], [138.0, -4.25], [138.25, -4.35], [138.5, -4.25], [139.03, -4.47], [139.18, -4.82], [139.25, -4.85], [139.5, -4.75], [139.75, -4.85], [140.0, -4.75], [140.53, -4.97], [140.75, -5.5], [140.53, -6.03], [140.0, -6.25], [139.75, -6.15], [139.68, -6.18], [139.53, -6.53], [139.18, -6.68], [139.15, -6.75], [139.25, -7.0], [139.03, -7.53], [138.5, -7.75], [138.25, -7.65], [138.0, -7.75], [137.75, -7.65], [137.5, -7.75], [136.97, -7.53], [136.82, -7.18], [136.75, -7.15], [136.5, -7.25], [135.97, -7.03], [135.75, -6.5], [135.96, -6.0], [135.75, -5.5]]]]}, "2025-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[137.47, -5.53], [137.25, -5.0], [137.47, -4.47], [138.0, -4.25], [138.25, -4.35], [138.5, -4.25], [139.03, -4.47], [139.18, -4.82], [139.25, -4.85], [139.5, -4.75], [139.75, -4.85], [140.0, -4.75], [140.53, -4.97], [140.75, -5.5], [140.53, -6.03], [140.0, -6.25], [139.75, -6.15], [139.68, -6.18], [139.53, -6.53], [139.18, -6.68], [139.15, -6.75], [139.25, -7.0], [139.03, -7.53], [138.5, -7.75], [137.97, -7.53], [137.75, -7.0], [137.85, -6.75], [137.75, -6.5], [137.85, -6.25], [137.75, -6.0], [137.85, -5.75], [137.82, -5.68], [137.47, -5.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.158159100941134}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.30373034699311}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.973025258382222, 28.21315868211832, 28.3465565999349, 27.96886850992837]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.315615590413415, 28.943914031982445, 29.08711649576827, 28.405554707845056]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0658985718204939, 1.3453363153347357, 1.456257196898731, 1.2377557053006285]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.4156737277178877, 2.158159100941134, 2.136701220941063, 1.4426944070467584]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6576132332778395, 1.8842647295223178, 2.048055777998243, 1.5153883694852794]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9430824134331737, 2.5822648350804642, 2.6007596786018485, 1.6175057837193696]}}