{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:58.269103", "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-Jan-16_to_2018-Jan-19_130.0_1.0"}, "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": 2018010002077}, "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 16 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 19 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": 67992.65032852486}, "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": ["Ceram Sea", "Halmahera Sea", "North Pacific Ocean", "South Pacific 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": 1.0}, "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": 130.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "130.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 128.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 131.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -1.75}, "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": {"2018-01-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.97, 1.53], [129.5, 1.75], [129.75, 1.65], [130.0, 1.75], [130.53, 1.53], [130.75, 1.0], [130.65, 0.75], [130.75, 0.5], [130.53, -0.03], [130.0, -0.25], [129.75, -0.15], [129.5, -0.25], [128.97, -0.03], [128.75, 0.5], [128.85, 0.75], [128.75, 1.0], [128.97, 1.53]]]]}, "2018-01-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.85, 1.25], [128.75, 1.5], [128.97, 2.03], [129.32, 2.18], [129.47, 2.53], [130.0, 2.75], [130.53, 2.53], [130.68, 2.18], [130.75, 2.15], [131.0, 2.25], [131.53, 2.03], [131.75, 1.5], [131.65, 1.25], [131.75, 1.0], [131.65, 0.75], [131.75, 0.5], [131.63, 0.2], [132.03, 0.03], [132.25, -0.5], [132.03, -1.03], [131.5, -1.25], [131.25, -1.15], [131.18, -1.18], [131.15, -1.25], [131.25, -1.5], [131.03, -2.03], [130.5, -2.25], [129.97, -2.03], [129.82, -1.68], [129.47, -1.53], [129.32, -1.18], [129.25, -1.15], [129.0, -1.25], [128.47, -1.03], [128.25, -0.5], [128.47, 0.03], [128.88, 0.2], [128.75, 0.5], [128.85, 0.75], [128.75, 1.0], [128.85, 1.25]]]]}, "2018-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.85, 1.25], [128.75, 1.5], [128.97, 2.03], [129.32, 2.18], [129.47, 2.53], [130.0, 2.75], [130.53, 2.53], [130.68, 2.18], [130.75, 2.15], [131.0, 2.25], [131.53, 2.03], [131.75, 1.5], [131.65, 1.25], [131.75, 1.0], [131.65, 0.75], [131.75, 0.5], [131.63, 0.2], [132.03, 0.03], [132.25, -0.5], [132.03, -1.03], [131.5, -1.25], [131.25, -1.15], [131.18, -1.18], [131.15, -1.25], [131.25, -1.5], [131.03, -2.03], [130.5, -2.25], [129.97, -2.03], [129.82, -1.68], [129.47, -1.53], [129.32, -1.18], [129.25, -1.15], [129.0, -1.25], [128.47, -1.03], [128.25, -0.5], [128.47, 0.03], [128.88, 0.2], [128.75, 0.5], [128.85, 0.75], [128.75, 1.0], [128.85, 1.25]]]]}, "2018-01-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.47, -1.03], [128.25, -0.5], [128.47, 0.03], [129.0, 0.25], [129.25, 0.15], [129.32, 0.18], [129.46, 0.5], [129.32, 0.82], [128.97, 0.97], [128.75, 1.5], [128.97, 2.03], [129.32, 2.18], [129.47, 2.53], [130.0, 2.75], [130.53, 2.53], [130.68, 2.18], [130.75, 2.15], [131.0, 2.25], [131.53, 2.03], [131.75, 1.5], [131.65, 1.25], [131.75, 1.0], [131.65, 0.75], [131.75, 0.5], [131.63, 0.2], [132.03, 0.03], [132.25, -0.5], [132.03, -1.03], [131.5, -1.25], [131.25, -1.15], [131.18, -1.18], [131.15, -1.25], [131.25, -1.5], [131.03, -2.03], [130.5, -2.25], [129.97, -2.03], [129.82, -1.68], [129.47, -1.53], [129.32, -1.18], [129.25, -1.15], [129.0, -1.25], [128.47, -1.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5452672689349924}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.011460462374188}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.76909791275068, 28.24834059217858, 27.751868829672617, 27.92118101484465]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.797234594356098, 28.50904808637216, 28.14776075691458, 28.44708569862229]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8032753538763302, 1.2842494770341633, 0.8099998841270648, 0.9726980851588558]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.832946752167345, 1.5452672689349924, 1.135263187840394, 1.2235852326296595]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4878789570206914, 2.509962711686825, 1.6229748628731817, 1.9445578589725472]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.555491481312901, 3.0235089733649714, 2.2538567165816352, 2.353718237014516]}}