{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:06.120618", "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": "2014-Aug-27_to_2014-Aug-31_118.5_0.0"}, "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": 2014080001140}, "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": "August 27 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 31 2014"}, "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": 74170.3343363702}, "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": ["Celebes Sea", "Makassar Strait"]}, "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": 0.0}, "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": 118.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "118.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 116.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 119.75}, "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": 2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.0, 0.75], [118.25, 0.65], [118.5, 0.75], [119.0, 0.54], [119.5, 0.75], [120.03, 0.53], [120.25, 0.0], [120.15, -0.25], [120.25, -0.5], [120.03, -1.03], [119.5, -1.25], [119.0, -1.04], [118.5, -1.25], [118.0, -1.04], [117.5, -1.25], [116.97, -1.03], [116.75, -0.5], [116.97, 0.03], [117.32, 0.18], [117.47, 0.53], [118.0, 0.75]]]]}, "2014-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.25, 0.5], [116.47, 1.03], [116.82, 1.18], [116.88, 1.3], [116.47, 1.47], [116.25, 2.0], [116.47, 2.53], [116.82, 2.68], [116.97, 3.03], [117.5, 3.25], [118.03, 3.03], [118.18, 2.68], [118.53, 2.53], [118.75, 2.0], [118.65, 1.75], [118.75, 1.5], [118.54, 1.0], [118.68, 0.68], [118.75, 0.65], [119.0, 0.75], [119.25, 0.65], [119.5, 0.75], [120.03, 0.53], [120.25, 0.0], [120.15, -0.25], [120.25, -0.5], [120.03, -1.03], [119.68, -1.18], [119.65, -1.25], [119.75, -1.5], [119.53, -2.03], [119.0, -2.25], [118.75, -2.15], [118.5, -2.25], [118.25, -2.15], [118.0, -2.25], [117.47, -2.03], [117.25, -1.5], [117.35, -1.25], [117.32, -1.18], [116.97, -1.03], [116.75, -0.5], [116.85, -0.25], [116.82, -0.18], [116.47, -0.03], [116.25, 0.5]]]]}, "2014-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.25, 0.5], [116.47, 1.03], [116.82, 1.18], [116.88, 1.3], [116.47, 1.47], [116.25, 2.0], [116.47, 2.53], [116.82, 2.68], [116.97, 3.03], [117.5, 3.25], [118.03, 3.03], [118.18, 2.68], [118.53, 2.53], [118.75, 2.0], [118.65, 1.75], [118.75, 1.5], [118.54, 1.0], [118.68, 0.68], [118.75, 0.65], [119.0, 0.75], [119.25, 0.65], [119.5, 0.75], [120.03, 0.53], [120.25, 0.0], [120.15, -0.25], [120.25, -0.5], [120.03, -1.03], [119.68, -1.18], [119.65, -1.25], [119.75, -1.5], [119.53, -2.03], [119.0, -2.25], [118.75, -2.15], [118.5, -2.25], [118.25, -2.15], [118.0, -2.25], [117.47, -2.03], [117.25, -1.5], [117.35, -1.25], [117.32, -1.18], [116.97, -1.03], [116.75, -0.5], [116.85, -0.25], [116.82, -0.18], [116.47, -0.03], [116.25, 0.5]]]]}, "2014-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.25, 0.5], [116.47, 1.03], [116.82, 1.18], [116.88, 1.3], [116.47, 1.47], [116.25, 2.0], [116.47, 2.53], [116.82, 2.68], [116.97, 3.03], [117.5, 3.25], [118.03, 3.03], [118.18, 2.68], [118.53, 2.53], [118.75, 2.0], [118.65, 1.75], [118.75, 1.5], [118.54, 1.0], [118.68, 0.68], [118.75, 0.65], [119.0, 0.75], [119.25, 0.65], [119.5, 0.75], [120.03, 0.53], [120.25, 0.0], [120.15, -0.25], [120.25, -0.5], [120.03, -1.03], [119.68, -1.18], [119.65, -1.25], [119.75, -1.5], [119.53, -2.03], [119.0, -2.25], [118.75, -2.15], [118.5, -2.25], [118.25, -2.15], [118.0, -2.25], [117.47, -2.03], [117.25, -1.5], [117.35, -1.25], [117.32, -1.18], [116.97, -1.03], [116.75, -0.5], [116.85, -0.25], [116.82, -0.18], [116.47, -0.03], [116.25, 0.5]]]]}, "2014-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.97, 0.53], [118.5, 0.75], [118.75, 0.65], [119.0, 0.75], [119.53, 0.53], [119.75, 0.0], [119.53, -0.53], [119.18, -0.68], [119.03, -1.03], [118.5, -1.25], [117.97, -1.03], [117.75, -0.5], [117.85, -0.25], [117.75, 0.0], [117.97, 0.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.050319063910649}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.1879007347489359}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.171610355844052, 25.497280138616247, 25.732105375479534, 25.63678502584429, 26.18113173751334]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.098089309415457, 24.185849638149534, 24.698406254168106, 24.70975201246489, 26.141714549064034]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.8525727627410428, -1.3452460273199993, -1.1155307862182628, -1.2234290111879318, -0.8945277149296279]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.9991698165060257, -2.050319063910649, -1.6247089696498165, -1.6079709999426086, -0.9590933401360076]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4863503010766754, -2.01676882618217, -1.687705820820603, -1.9204042935203816, -1.5631906717735067]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.6796737072221042, -2.6788589828274634, -2.1395198858932867, -2.359295744698746, -1.6220861780815465]}}