{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:50.387913", "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": "2019-May-30_to_2019-Jun-02_139.0_-3.0"}, "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": 2019050003009}, "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": "May 30 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 02 2019"}, "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": 64804.0329426855}, "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", "Papua New Guinea"]}, "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": -3.0}, "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": 139.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "139.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 136.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 141.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.47, -3.53], [136.25, -3.0], [136.47, -2.47], [137.0, -2.25], [137.25, -2.35], [137.32, -2.32], [137.47, -1.97], [138.0, -1.75], [138.25, -1.85], [138.5, -1.75], [138.75, -1.85], [139.0, -1.75], [139.5, -1.96], [140.0, -1.75], [140.25, -1.85], [140.5, -1.75], [141.03, -1.97], [141.25, -2.5], [141.13, -2.8], [141.53, -2.97], [141.68, -3.32], [142.03, -3.47], [142.25, -4.0], [142.03, -4.53], [141.5, -4.75], [140.97, -4.53], [140.82, -4.18], [140.75, -4.15], [140.5, -4.25], [140.25, -4.15], [140.18, -4.18], [140.03, -4.53], [139.5, -4.75], [138.97, -4.53], [138.82, -4.18], [138.75, -4.15], [138.5, -4.25], [137.97, -4.03], [137.82, -3.68], [137.75, -3.65], [137.5, -3.75], [137.25, -3.65], [137.0, -3.75], [136.47, -3.53]]]]}, "2019-05-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.47, -3.53], [136.25, -3.0], [136.47, -2.47], [137.0, -2.25], [137.25, -2.35], [137.32, -2.32], [137.47, -1.97], [138.0, -1.75], [138.25, -1.85], [138.5, -1.75], [138.75, -1.85], [139.0, -1.75], [139.5, -1.96], [140.0, -1.75], [140.25, -1.85], [140.5, -1.75], [141.03, -1.97], [141.25, -2.5], [141.13, -2.8], [141.53, -2.97], [141.68, -3.32], [142.03, -3.47], [142.25, -4.0], [142.15, -4.25], [142.25, -4.5], [142.03, -5.03], [141.5, -5.25], [140.97, -5.03], [140.8, -4.63], [140.5, -4.75], [140.25, -4.65], [140.0, -4.75], [139.75, -4.65], [139.5, -4.75], [138.97, -4.53], [138.82, -4.18], [138.75, -4.15], [138.5, -4.25], [137.97, -4.03], [137.82, -3.68], [137.75, -3.65], [137.5, -3.75], [137.25, -3.65], [137.0, -3.75], [136.47, -3.53]]]]}, "2019-06-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.47, -3.53], [136.25, -3.0], [136.47, -2.47], [137.0, -2.25], [137.25, -2.35], [137.32, -2.32], [137.47, -1.97], [138.0, -1.75], [138.25, -1.85], [138.5, -1.75], [138.75, -1.85], [139.0, -1.75], [139.5, -1.96], [140.0, -1.75], [140.25, -1.85], [140.5, -1.75], [141.03, -1.97], [141.25, -2.5], [141.13, -2.8], [141.53, -2.97], [141.68, -3.32], [142.03, -3.47], [142.25, -4.0], [142.15, -4.25], [142.25, -4.5], [142.03, -5.03], [141.5, -5.25], [140.97, -5.03], [140.8, -4.63], [140.5, -4.75], [140.25, -4.65], [140.0, -4.75], [139.75, -4.65], [139.5, -4.75], [138.97, -4.53], [138.82, -4.18], [138.75, -4.15], [138.5, -4.25], [137.97, -4.03], [137.82, -3.68], [137.75, -3.65], [137.5, -3.75], [137.25, -3.65], [137.0, -3.75], [136.47, -3.53]]]]}, "2019-06-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.97, -3.53], [136.75, -3.0], [136.97, -2.47], [137.5, -2.25], [137.8, -2.37], [137.97, -1.97], [138.5, -1.75], [138.75, -1.85], [139.0, -1.75], [139.5, -1.96], [140.0, -1.75], [140.25, -1.85], [140.5, -1.75], [141.03, -1.97], [141.25, -2.5], [141.13, -2.8], [141.53, -2.97], [141.68, -3.32], [142.03, -3.47], [142.25, -4.0], [142.15, -4.25], [142.25, -4.5], [142.03, -5.03], [141.5, -5.25], [140.97, -5.03], [140.8, -4.63], [140.5, -4.75], [140.25, -4.65], [140.0, -4.75], [139.75, -4.65], [139.5, -4.75], [138.97, -4.53], [138.82, -4.18], [138.75, -4.15], [138.5, -4.25], [137.97, -4.03], [137.8, -3.63], [137.5, -3.75], [136.97, -3.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2049543993198313}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4256775566631126}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.61623461069604, 26.34970600334367, 26.26996418186684, 26.230158598867718]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.29464875094169, 29.060453417810095, 29.110582486307635, 28.39607503959479]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.5441680959296396, 1.3993383067184535, 1.3200122378769623, 1.4611923475825297]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9863795861519407, 1.9450277802464484, 1.7932945823912974, 2.2049543993198313]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7906296225827778, 1.6591411488816958, 1.608620108588853, 1.804644446013724]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.2526161566197014, 2.002474406740652, 1.9791596231070856, 2.46538856403781]}}