{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:51:22.229242", "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": "2023-Feb-19_to_2023-Feb-27_133.0_-4.0"}, "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": 2023020002196}, "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 19 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 27 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 58571.07375998353}, "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", "Aru Basin", "Ceram 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": -4.0}, "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": 133.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "133.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 135.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[133.0, -2.96], [133.32, -2.82], [133.47, -2.47], [134.0, -2.25], [134.53, -2.47], [134.68, -2.82], [135.03, -2.97], [135.18, -3.32], [135.53, -3.47], [135.68, -3.82], [136.03, -3.97], [136.25, -4.5], [136.03, -5.03], [135.5, -5.25], [135.0, -5.04], [134.68, -5.18], [134.53, -5.53], [134.0, -5.75], [133.75, -5.65], [133.5, -5.75], [133.25, -5.65], [133.0, -5.75], [132.47, -5.53], [132.32, -5.18], [132.25, -5.15], [132.0, -5.25], [131.47, -5.03], [131.25, -4.5], [131.47, -3.97], [131.82, -3.82], [131.85, -3.75], [131.75, -3.5], [131.97, -2.97], [132.5, -2.75], [133.0, -2.96]]]]}}, "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": {"2023-02-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -5.03], [132.75, -4.5], [132.97, -3.97], [133.5, -3.75], [133.75, -3.85], [134.0, -3.75], [134.53, -3.97], [134.75, -4.5], [134.65, -4.75], [134.75, -5.0], [134.53, -5.53], [134.0, -5.75], [133.47, -5.53], [133.32, -5.18], [132.97, -5.03]]]]}, "2023-02-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.85, -3.75], [131.75, -3.5], [131.97, -2.97], [132.5, -2.75], [133.0, -2.96], [133.32, -2.82], [133.47, -2.47], [134.0, -2.25], [134.53, -2.47], [134.68, -2.82], [135.03, -2.97], [135.25, -3.5], [135.03, -4.03], [134.68, -4.18], [134.65, -4.25], [134.75, -4.5], [134.65, -4.75], [134.75, -5.0], [134.53, -5.53], [134.0, -5.75], [133.75, -5.65], [133.5, -5.75], [133.25, -5.65], [133.0, -5.75], [132.47, -5.53], [132.32, -5.18], [132.25, -5.15], [132.0, -5.25], [131.47, -5.03], [131.25, -4.5], [131.47, -3.97], [131.82, -3.82], [131.85, -3.75]]]]}, "2023-02-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.85, -3.75], [131.75, -3.5], [131.97, -2.97], [132.5, -2.75], [133.0, -2.96], [133.32, -2.82], [133.47, -2.47], [134.0, -2.25], [134.53, -2.47], [134.68, -2.82], [135.03, -2.97], [135.25, -3.5], [135.03, -4.03], [134.68, -4.18], [134.65, -4.25], [134.75, -4.5], [134.65, -4.75], [134.75, -5.0], [134.53, -5.53], [134.0, -5.75], [133.75, -5.65], [133.5, -5.75], [133.25, -5.65], [133.0, -5.75], [132.47, -5.53], [132.32, -5.18], [132.25, -5.15], [132.0, -5.25], [131.47, -5.03], [131.25, -4.5], [131.47, -3.97], [131.82, -3.82], [131.85, -3.75]]]]}, "2023-02-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.85, -3.75], [131.75, -3.5], [131.97, -2.97], [132.5, -2.75], [133.0, -2.96], [133.32, -2.82], [133.47, -2.47], [134.0, -2.25], [134.53, -2.47], [134.68, -2.82], [135.03, -2.97], [135.25, -3.5], [135.03, -4.03], [134.68, -4.18], [134.65, -4.25], [134.75, -4.5], [134.65, -4.75], [134.75, -5.0], [134.53, -5.53], [134.0, -5.75], [133.75, -5.65], [133.5, -5.75], [133.25, -5.65], [133.0, -5.75], [132.47, -5.53], [132.32, -5.18], [132.25, -5.15], [132.0, -5.25], [131.47, -5.03], [131.25, -4.5], [131.47, -3.97], [131.82, -3.82], [131.85, -3.75]]]]}, "2023-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.25, -3.0], [133.47, -2.47], [134.0, -2.25], [134.53, -2.47], [134.75, -3.0], [134.57, -3.43], [135.0, -3.25], [135.53, -3.47], [135.75, -4.0], [135.53, -4.53], [135.0, -4.75], [134.47, -4.53], [134.25, -4.0], [134.43, -3.57], [134.0, -3.75], [133.57, -3.57], [133.75, -4.0], [133.53, -4.53], [133.0, -4.75], [132.47, -4.53], [132.25, -4.0], [132.47, -3.47], [133.0, -3.25], [133.43, -3.43], [133.25, -3.0]]]]}, "2023-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.25, -4.0], [134.47, -3.47], [135.0, -3.25], [135.53, -3.47], [135.68, -3.82], [136.03, -3.97], [136.25, -4.5], [136.03, -5.03], [135.5, -5.25], [134.97, -5.03], [134.82, -4.68], [134.47, -4.53], [134.25, -4.0]]], [[[133.0, -4.75], [132.47, -4.53], [132.25, -4.0], [132.47, -3.47], [133.0, -3.25], [133.53, -3.47], [133.75, -4.0], [133.53, -4.53], [133.0, -4.75]]]]}, "2023-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.0, -3.25], [135.53, 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1.3664692654356325]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7816075259500002, 2.66179377662685, 3.2003959742445804, 1.7771787836460302, 1.556442607047331, 1.4858603018477516, 2.4196851147550915, 2.305791871374597, 1.4189262060061483]}}