{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:18.009019", "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-07_to_2023-Feb-11_112.0_0.5"}, "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": 2023020001542}, "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 07 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2023"}, "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": 52544.67540352202}, "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"]}, "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": 0.5}, "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": 112.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "112.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 110.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 113.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.47, -1.53], [110.25, -1.0], [110.47, -0.47], [111.0, -0.25], [111.53, -0.47], [111.75, -1.0], [111.53, -1.53], [111.0, -1.75], [110.47, -1.53]]], [[[110.75, 0.5], [110.97, 1.03], [111.5, 1.25], [111.75, 1.15], [112.0, 1.25], [112.53, 1.03], [112.75, 0.5], [112.53, -0.03], [112.0, -0.25], [111.75, -0.15], [111.5, -0.25], [110.97, -0.03], [110.75, 0.5]]]]}, "2023-02-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.75, 0.0], [110.85, 0.25], [110.75, 0.5], [110.85, 0.75], [110.75, 1.0], [110.97, 1.53], [111.5, 1.75], [111.75, 1.65], [112.0, 1.75], [112.53, 1.53], [112.68, 1.18], [113.03, 1.03], [113.18, 0.68], [113.53, 0.53], [113.75, 0.0], [113.65, -0.25], [113.75, -0.5], [113.65, -0.75], [113.75, -1.0], [113.53, -1.53], [113.0, -1.75], [112.75, -1.65], [112.5, -1.75], [112.25, -1.65], [112.0, -1.75], [111.5, -1.54], [111.0, -1.75], [110.47, -1.53], [110.25, -1.0], [110.47, -0.47], [110.82, -0.32], [110.85, -0.25], [110.75, 0.0]]]]}, "2023-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.75, 0.0], [110.85, 0.25], [110.75, 0.5], [110.85, 0.75], [110.75, 1.0], [110.97, 1.53], [111.5, 1.75], [111.75, 1.65], [112.0, 1.75], [112.53, 1.53], [112.68, 1.18], [113.03, 1.03], [113.18, 0.68], [113.53, 0.53], [113.75, 0.0], [113.65, -0.25], [113.75, -0.5], [113.65, -0.75], [113.75, -1.0], [113.53, -1.53], [113.0, -1.75], [112.75, -1.65], [112.5, -1.75], [112.25, -1.65], [112.0, -1.75], [111.5, -1.54], [111.0, -1.75], [110.47, -1.53], [110.25, -1.0], [110.47, -0.47], [110.82, -0.32], [110.85, -0.25], [110.75, 0.0]]]]}, "2023-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.75, 0.0], [110.85, 0.25], [110.75, 0.5], [110.85, 0.75], [110.75, 1.0], [110.97, 1.53], [111.5, 1.75], [111.75, 1.65], [112.0, 1.75], [112.53, 1.53], [112.68, 1.18], [113.03, 1.03], [113.18, 0.68], [113.53, 0.53], [113.75, 0.0], [113.65, -0.25], [113.75, -0.5], [113.65, -0.75], [113.75, -1.0], [113.53, -1.53], [113.0, -1.75], [112.75, -1.65], [112.5, -1.75], [112.25, -1.65], [112.0, -1.75], [111.5, -1.54], [111.0, -1.75], [110.47, -1.53], [110.25, -1.0], [110.47, -0.47], [110.82, -0.32], [110.85, -0.25], [110.75, 0.0]]]]}, "2023-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.97, 1.53], [111.5, 1.75], [111.75, 1.65], [112.0, 1.75], [112.53, 1.53], [112.68, 1.18], [113.03, 1.03], [113.25, 0.5], [113.03, -0.03], [112.63, -0.2], [112.75, -0.5], [112.65, -0.75], [112.75, -1.0], [112.53, -1.53], [112.0, -1.75], [111.47, -1.53], [111.25, -1.0], [111.35, -0.75], [111.32, -0.68], [110.97, -0.53], [110.75, 0.0], [110.96, 0.5], [110.75, 1.0], [110.97, 1.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5370034662609555}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.461108825015911}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.004505327197762, 27.090246944489195, 26.83312382283134, 27.132840603507134, 27.21989651557078]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.57603220344896, 28.30544567960652, 27.948122207609515, 28.673877308681483, 28.02534717987095]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2161962664220407, 1.5806698549326303, 1.3246797531323797, 1.6114104218208087, 1.2420184312350753]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.3284951449140294, 1.9422219210900948, 1.5386859854506838, 2.5370034662609555, 1.5801687066386876]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4490481216758084, 1.9211129229110029, 1.6224022024975313, 1.9696967481361336, 1.5335168908343983]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.53909176106324, 2.325516511977964, 2.001578633708065, 2.7249393125900765, 1.8632165322540841]}}