{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:31.750639", "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-Jan-31_to_2026-Feb-02_118.5_-20.5"}, "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": 2026010002490}, "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": "January 31 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 02 2026"}, "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": 60665.86383916005}, "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": ["Australia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "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": -20.5}, "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": 118.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "118.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 116.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 121.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.75}, "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": {"2026-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.47, -20.47], [117.0, -20.25], [117.25, -20.35], [117.32, -20.32], [117.47, -19.97], [118.0, -19.75], [118.25, -19.85], [118.5, -19.75], [118.75, -19.85], [118.82, -19.82], [118.97, -19.47], [119.5, -19.25], [119.75, -19.35], [120.0, -19.25], [120.25, -19.35], [120.5, -19.25], [120.75, -19.35], [121.0, -19.25], [121.53, -19.47], [121.75, -20.0], [121.53, -20.53], [121.0, -20.75], [120.75, -20.65], [120.68, -20.68], [120.53, -21.03], [120.18, -21.18], [120.15, -21.25], [120.25, -21.5], [120.03, -22.03], [119.5, -22.25], [119.25, -22.15], [119.0, -22.25], [118.75, -22.15], [118.5, -22.25], [118.25, -22.15], [118.0, -22.25], [117.75, -22.15], [117.5, -22.25], [117.25, -22.15], [117.0, -22.25], [116.47, -22.03], [116.25, -21.5], [116.35, -21.25], [116.25, -21.0], [116.47, -20.47]]]]}, "2026-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.47, -20.47], [117.0, -20.25], [117.25, -20.35], [117.32, -20.32], [117.47, -19.97], [118.0, -19.75], [118.25, -19.85], [118.5, -19.75], [118.75, -19.85], [118.82, -19.82], [118.97, -19.47], [119.5, -19.25], [119.75, -19.35], [120.0, -19.25], [120.25, -19.35], [120.5, -19.25], [120.75, -19.35], [121.0, -19.25], [121.53, -19.47], [121.75, -20.0], [121.53, -20.53], [121.0, -20.75], [120.75, -20.65], [120.68, -20.68], [120.53, -21.03], [120.18, -21.18], [120.15, -21.25], [120.25, -21.5], [120.03, -22.03], [119.5, -22.25], [119.25, -22.15], [119.0, -22.25], [118.75, -22.15], [118.5, -22.25], [118.25, -22.15], [118.0, -22.25], [117.75, -22.15], [117.5, -22.25], [117.25, -22.15], [117.0, -22.25], [116.47, -22.03], [116.25, -21.5], [116.35, -21.25], [116.25, -21.0], [116.47, -20.47]]]]}, "2026-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.47, -20.47], [117.0, -20.25], [117.25, -20.35], [117.32, -20.32], [117.47, -19.97], [118.0, -19.75], [118.25, -19.85], [118.5, -19.75], [118.75, -19.85], [118.82, -19.82], [118.97, -19.47], [119.5, -19.25], [119.75, -19.35], [120.0, -19.25], [120.25, -19.35], [120.5, -19.25], [120.75, -19.35], [121.0, -19.25], [121.53, -19.47], [121.75, -20.0], [121.53, -20.53], [121.0, -20.75], [120.75, -20.65], [120.68, -20.68], [120.53, -21.03], [120.18, -21.18], [120.15, -21.25], [120.25, -21.5], [120.03, -22.03], [119.5, -22.25], [119.25, -22.15], [119.0, -22.25], [118.75, -22.15], [118.5, -22.25], [118.25, -22.15], [118.0, -22.25], [117.75, -22.15], [117.5, -22.25], [117.25, -22.15], [117.0, -22.25], [116.47, -22.03], [116.25, -21.5], [116.35, -21.25], [116.25, -21.0], [116.47, -20.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.406547442065062}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.0875892204866044}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [35.102896747891805, 35.61598176502042, 34.52901393345428]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.77736816406252, 36.978077189127646, 35.80665995279952]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.088703876987614, 4.629370435247917, 3.5446933492242816]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.286302102800846, 5.406547442065062, 4.306396018203145]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7138911154902996, 1.9462864295484732, 1.4684677423685415]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.159104924600234, 2.420347665972418, 2.0075250428677265]}}