{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:53.993566", "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": "2013-Nov-23_to_2013-Nov-27_122.5_-9.0"}, "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": 2013110001039}, "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": "November 23 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 27 2013"}, "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": 63998.55617378581}, "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": ["N.Australia", "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": ["Savu Sea", "Timor 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": -9.0}, "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": 122.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "122.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 121.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 125.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.97, -10.03], [120.75, -9.5], [120.97, -8.97], [121.5, 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[122.8, -8.37], [122.97, -7.97], [123.5, -7.75], [123.75, -7.85], [124.0, -7.75], [124.25, -7.85], [124.5, -7.75], [124.75, -7.85], [125.0, -7.75], [125.53, -7.97], [125.75, -8.5], [125.53, -9.03], [125.0, -9.25], [124.75, -9.15], [124.68, -9.18], [124.65, -9.25], [124.75, -9.5], [124.54, -10.0], [124.68, -10.32], [125.03, -10.47], [125.25, -11.0], [125.03, -11.53], [124.5, -11.75], [123.97, -11.53], [123.82, -11.18], [123.75, -11.15], [123.68, -11.18], [123.53, -11.53], [123.0, -11.75], [122.47, -11.53], [122.25, -11.0], [122.35, -10.75], [122.32, -10.68], [121.97, -10.53], [121.82, -10.18], [121.75, -10.15], [121.5, -10.25], [120.97, -10.03]]]]}, "2013-11-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.0, -8.25], [122.25, -8.35], [122.5, -8.25], [122.8, -8.37], [122.97, -7.97], [123.5, -7.75], [123.75, -7.85], [124.0, -7.75], [124.25, -7.85], [124.5, -7.75], [124.75, -7.85], [125.0, -7.75], [125.53, -7.97], [125.75, -8.5], [125.53, -9.03], [125.0, -9.25], 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[[[[121.47, -9.53], [121.25, -9.0], [121.47, -8.47], [122.0, -8.25], [122.25, -8.35], [122.5, -8.25], [122.8, -8.37], [122.97, -7.97], [123.5, -7.75], [124.03, -7.97], [124.25, -8.5], [124.03, -9.03], [123.5, -9.25], [123.2, -9.13], [123.03, -9.53], [122.5, -9.75], [122.25, -9.65], [122.0, -9.75], [121.47, -9.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.1444182817691626}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.143450329834959}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.71230365391341, 26.595244101726507, 26.840052479662972, 26.5615222499369, 26.523294780679237]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.082714626214113, 24.85766617228063, 25.08470679311239, 26.139160732330367, 26.139559165710068]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.210823789754024, -1.2839379151039623, -1.0122672034632658, -0.9050132434810886, -0.9368868195099177]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.1444182817691626, -2.12646649491802, -1.2582746120700676, -0.9620858142303064, -1.0086504722185055]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.119628766739365, -2.2179856950219543, -1.744664874173983, -1.5469008811207183, -1.5685867020496274]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-3.007010921158345, 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