{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:13.780198", "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": "2018-Feb-04_to_2018-Feb-07_142.5_-6.5"}, "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": 2018020001405}, "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 04 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 07 2018"}, "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": 70497.381295953}, "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": -6.5}, "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": 142.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "142.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 139.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.85, -6.75], [141.75, -6.5], [141.97, -5.97], [142.5, -5.75], [143.03, -5.97], [143.18, -6.32], [143.53, -6.47], [143.75, -7.0], [143.65, -7.25], [143.75, -7.5], [143.53, -8.03], [143.0, -8.25], [142.75, -8.15], [142.5, -8.25], [141.97, -8.03], [141.75, -7.5], [141.85, -7.25], [141.75, -7.0], [141.85, -6.75]]]]}, "2018-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.75, -7.5], [138.97, -6.97], [139.5, -6.75], [139.75, -6.85], [139.82, -6.82], [139.97, -6.47], [140.5, -6.25], [140.75, -6.35], [140.82, -6.32], [140.97, -5.97], [141.5, -5.75], [141.75, -5.85], [142.0, -5.75], [142.25, -5.85], [142.5, -5.75], [143.03, -5.97], [143.18, -6.32], [143.53, -6.47], [143.75, -7.0], [143.65, -7.25], [143.75, -7.5], [143.65, -7.75], [143.75, -8.0], [143.53, -8.53], [143.18, -8.68], [143.03, -9.03], [142.5, -9.25], [141.97, -9.03], [141.8, -8.63], [141.5, -8.75], [141.25, -8.65], [141.0, -8.75], [140.75, -8.65], [140.5, -8.75], [140.25, -8.65], [140.0, -8.75], [139.47, -8.53], [139.32, -8.18], [138.97, -8.03], [138.75, -7.5]]]]}, "2018-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.75, -7.5], [138.97, -6.97], [139.5, -6.75], [139.75, -6.85], [139.82, -6.82], [139.97, -6.47], [140.5, -6.25], [140.75, -6.35], [140.82, -6.32], [140.97, -5.97], [141.5, -5.75], [141.75, -5.85], [142.0, -5.75], [142.25, -5.85], [142.5, -5.75], [143.03, -5.97], [143.18, -6.32], [143.53, -6.47], [143.75, -7.0], [143.65, -7.25], [143.75, -7.5], [143.65, -7.75], [143.75, -8.0], [143.53, -8.53], [143.18, -8.68], [143.03, -9.03], [142.5, -9.25], [141.97, -9.03], [141.8, -8.63], [141.5, -8.75], [141.25, -8.65], [141.0, -8.75], [140.75, -8.65], [140.5, -8.75], [140.25, -8.65], [140.0, -8.75], [139.47, -8.53], [139.32, -8.18], [138.97, -8.03], [138.75, -7.5]]]]}, "2018-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.75, -7.5], [138.97, -6.97], [139.5, -6.75], [139.75, -6.85], [139.82, -6.82], [139.97, -6.47], [140.5, -6.25], [140.75, -6.35], [140.82, -6.32], [140.97, -5.97], [141.5, -5.75], [141.75, -5.85], [142.0, -5.75], [142.25, -5.85], [142.5, -5.75], [143.03, -5.97], [143.25, -6.5], [143.15, -6.75], [143.25, -7.0], [143.13, -7.3], [143.53, -7.47], [143.75, -8.0], [143.53, -8.53], [143.18, -8.68], [143.03, -9.03], [142.5, -9.25], [141.97, -9.03], [141.8, -8.63], [141.5, -8.75], [141.25, -8.65], [141.0, -8.75], [140.75, -8.65], [140.5, -8.75], [140.25, -8.65], [140.0, -8.75], [139.47, -8.53], [139.32, -8.18], [138.97, -8.03], [138.75, -7.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.5073132785260555}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6433661325079147}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.572730216677087, 28.063536859774842, 28.42587428257906, 28.50094422902464]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.455090791238888, 28.69365124556174, 29.25651002204137, 29.14985397977091]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4397561262210388, 1.4334955133058207, 1.775564303222599, 1.7835919498401551]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.6420982604309984, 1.8640884502382278, 2.106285467463067, 2.5073132785260555]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.568420457582776, 1.6292495091980337, 1.9639271236127451, 2.0315727755807615]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6972684489013705, 1.910910819865616, 2.3209039698839398, 2.8110423234051405]}}