{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:34:43.906925", "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-Mar-22_to_2023-Mar-27_137.0_-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": 2023030002197}, "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 22 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 27 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 70949.7320668576}, "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": ["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": -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": 137.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "137.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 138.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "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": {"2023-03-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.0, -4.75], [138.53, -4.97], [138.75, -5.5], [138.53, -6.03], [138.0, -6.25], [137.47, -6.03], [137.25, -5.5], [137.47, -4.97], [138.0, -4.75]]]]}, "2023-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.75, -3.0], [131.97, -2.47], [132.38, -2.3], [132.25, -2.0], [132.35, -1.75], [132.25, -1.5], [132.47, -0.97], [133.0, -0.75], [133.25, -0.85], [133.5, -0.75], [134.03, -0.97], [134.25, -1.5], [134.15, -1.75], [134.18, -1.82], [134.53, -1.97], [134.75, -2.5], [134.65, -2.75], [134.68, -2.82], [134.75, -2.85], [135.0, -2.75], [135.5, -2.96], [136.0, -2.75], [136.53, -2.97], [136.7, -3.37], [137.0, -3.25], [137.53, -3.47], [137.68, -3.82], [138.03, -3.97], [138.25, -4.5], [138.13, -4.8], [138.53, -4.97], [138.75, -5.5], [138.53, -6.03], [138.0, -6.25], [137.47, -6.03], [137.25, -5.5], [137.38, -5.2], [137.0, -5.04], [136.5, -5.25], [135.97, -5.03], [135.82, -4.68], [135.75, -4.65], [135.5, -4.75], [134.97, -4.53], [134.82, -4.18], [134.75, -4.15], [134.5, -4.25], [134.25, -4.15], [134.0, -4.25], [133.75, -4.15], [133.5, -4.25], [133.25, -4.15], [133.0, -4.25], [132.47, -4.03], [132.32, -3.68], [131.97, -3.53], [131.75, -3.0]]]]}, "2023-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.75, -3.0], [131.97, -2.47], [132.38, -2.3], [132.25, -2.0], [132.35, -1.75], [132.25, -1.5], [132.47, -0.97], [133.0, -0.75], [133.25, -0.85], [133.5, -0.75], [134.03, -0.97], [134.25, -1.5], [134.15, -1.75], [134.18, -1.82], [134.53, -1.97], [134.75, -2.5], [134.65, -2.75], [134.68, -2.82], [134.75, -2.85], [135.0, -2.75], [135.5, -2.96], [136.0, -2.75], [136.53, -2.97], [136.7, -3.37], [137.0, -3.25], [137.53, -3.47], [137.68, -3.82], [137.75, -3.85], [138.0, -3.75], [138.53, -3.97], [138.75, -4.5], [138.65, -4.75], [138.75, -5.0], [138.65, -5.25], [138.75, -5.5], [138.53, -6.03], [138.0, -6.25], [137.47, -6.03], [137.32, -5.68], [136.97, -5.53], [136.8, -5.13], [136.5, -5.25], [135.97, -5.03], [135.82, -4.68], [135.75, -4.65], [135.5, -4.75], [134.97, -4.53], [134.82, -4.18], [134.75, 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duration", "value": 1.9778069280557702}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.3321473004180813}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.08310935917308, 24.932932665763815, 25.524059775629098, 25.111951032030788, 24.261807761207592, 14.626556818841095]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.08310935917308, 28.386376141411176, 28.692305617208547, 28.14967669815792, 28.23537338824042, 14.626556818841095]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9508833679427653, 1.217072477988583, 1.5301455570514073, 1.2631823566132814, 1.3058916112133487, 1.109454988646121]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9508833679427653, 1.5650011647074962, 1.9778069280557702, 1.6742389677087886, 1.6356540369607728, 1.109454988646121]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3312320290733755, 1.6481343316869608, 2.0440172562065975, 1.700320764757477, 1.693457294590781, 1.5939629438157614]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3312320290733755, 2.1734961838294633, 2.577991454174005, 2.436519559612222, 2.1320347208184205, 1.5939629438157614]}}