{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:08.530413", "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": "2015-Jun-11_to_2015-Jun-15_105.0_-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": 2015060000396}, "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": "June 11 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 15 2015"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 55634.105601942036}, "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": ["South China 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": -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": 105.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "105.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 103.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 105.75}, "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": 1.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.75, -1.0], [103.97, -0.47], [104.32, -0.32], [104.47, 0.03], [105.0, 0.25], [105.53, 0.03], [105.68, -0.32], [106.03, -0.47], [106.25, -1.0], [106.15, -1.25], [106.25, -1.5], [106.03, -2.03], [105.5, -2.25], [105.25, -2.15], [105.0, -2.25], [104.47, -2.03], [104.32, -1.68], [103.97, -1.53], [103.75, -1.0]]]]}, "2015-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.35, 0.25], [103.25, 0.5], [103.47, 1.03], [104.0, 1.25], [104.5, 1.04], [105.0, 1.25], [105.25, 1.15], [105.5, 1.25], [106.03, 1.03], [106.25, 0.5], [106.15, 0.25], [106.25, 0.0], [106.15, -0.25], [106.25, -0.5], [106.15, -0.75], [106.25, -1.0], [106.15, -1.25], [106.25, -1.5], [106.03, -2.03], [105.5, -2.25], [105.25, -2.15], [105.0, -2.25], [104.47, -2.03], [104.32, -1.68], [103.97, -1.53], [103.82, -1.18], [103.47, -1.03], [103.25, -0.5], [103.35, -0.25], [103.25, 0.0], [103.35, 0.25]]]]}, "2015-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.35, 0.25], [103.25, 0.5], [103.47, 1.03], [104.0, 1.25], [104.3, 1.13], [104.47, 1.53], [105.0, 1.75], [105.25, 1.65], [105.5, 1.75], [106.03, 1.53], [106.25, 1.0], [106.15, 0.75], [106.25, 0.5], [106.15, 0.25], [106.25, 0.0], [106.15, -0.25], [106.25, -0.5], [106.15, -0.75], [106.25, -1.0], [106.15, -1.25], [106.25, -1.5], [106.03, -2.03], [105.5, -2.25], [105.25, -2.15], [105.0, -2.25], [104.47, -2.03], [104.32, -1.68], [103.97, -1.53], [103.82, -1.18], [103.47, -1.03], [103.25, -0.5], [103.35, -0.25], [103.25, 0.0], [103.35, 0.25]]]]}, "2015-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.35, 0.25], [103.25, 0.5], [103.47, 1.03], [104.0, 1.25], [104.3, 1.13], [104.47, 1.53], [105.0, 1.75], [105.25, 1.65], [105.5, 1.75], [106.03, 1.53], [106.25, 1.0], [106.15, 0.75], [106.25, 0.5], [106.15, 0.25], [106.25, 0.0], [106.15, -0.25], [106.25, -0.5], [106.15, -0.75], [106.25, -1.0], [106.15, -1.25], [106.25, -1.5], [106.03, -2.03], [105.5, -2.25], [104.97, -2.03], [104.82, -1.68], [104.75, -1.65], [104.5, -1.75], [103.97, -1.53], [103.82, -1.18], [103.47, -1.03], [103.25, -0.5], [103.35, -0.25], [103.25, 0.0], [103.35, 0.25]]]]}, "2015-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.0, 1.75], [105.25, 1.65], [105.5, 1.75], [106.03, 1.53], [106.25, 1.0], [106.15, 0.75], [106.25, 0.5], [106.03, -0.03], [105.5, -0.25], [105.25, -0.15], [105.0, -0.25], [104.5, -0.04], [104.0, -0.25], [103.47, -0.03], [103.25, 0.5], [103.47, 1.03], [104.0, 1.25], [104.3, 1.13], [104.47, 1.53], [105.0, 1.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.3614759936962173}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.0764681797978508}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.832192762864622, 26.798270752041674, 26.687161204016093, 26.88518828995626, 26.962978948528246]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.768318461919307, 26.54452587266985, 26.395915474963772, 26.714263821551924, 26.678466574465062]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.9970144242849699, -1.0782674600694762, -1.192664899239304, -0.9935740488188972, -1.0295868448833176]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.0807720821603652, -1.217126093095601, -1.3614759936962173, -1.1159777838357172, -1.2959283298422406]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4628324835223767, -1.611557753864373, -1.78840632683091, -1.5213710598857526, -1.6044538007297227]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.5757728392443993, -1.8566628094685376, -2.1696324904104154, -1.7050572331865352, -2.018950425184437]}}