{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:48.832362", "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-Jul-10_to_2014-Jul-18_121.5_-18.5"}, "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": 2014070000516}, "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": "July 10 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 18 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 920343.8368506785}, "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": ["Australia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "N.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "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": ["Indian 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": -18.5}, "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": 121.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "121.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 113.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 124.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -10.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.5, -19.75], [120.03, -19.97], [120.25, -20.5], [120.03, -21.03], [119.5, -21.25], [118.97, -21.03], [118.75, -20.5], [118.97, -19.97], [119.5, -19.75]]]]}, "2014-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.5, -19.75], [120.03, -19.97], [120.25, -20.5], [120.03, -21.03], [119.5, -21.25], [118.97, -21.03], [118.75, -20.5], [118.97, -19.97], [119.5, -19.75]]]]}, "2014-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.35, -13.25], [115.25, -13.0], [115.35, -12.75], [115.25, -12.5], [115.47, -11.97], [116.0, -11.75], [116.25, -11.85], [116.5, -11.75], [117.03, -11.97], [117.18, -12.32], [117.25, -12.35], [117.5, -12.25], [117.75, -12.35], [118.0, -12.25], [118.53, -12.47], [118.68, -12.82], [118.75, -12.85], [119.0, -12.75], [119.53, -12.97], [119.68, -13.32], [119.75, -13.35], [119.82, -13.32], [119.97, -12.97], [120.5, -12.75], [121.03, -12.97], [121.18, -13.32], [121.25, -13.35], [121.5, -13.25], [121.75, -13.35], [122.0, -13.25], [122.25, -13.35], [122.5, -13.25], [123.03, -13.47], [123.18, -13.82], [123.53, -13.97], [123.68, -14.32], [124.03, -14.47], [124.25, -15.0], [124.15, -15.25], [124.18, -15.32], [124.53, -15.47], [124.75, -16.0], [124.53, -16.53], [124.18, -16.68], [124.15, -16.75], [124.18, -16.82], [124.53, -16.97], [124.75, -17.5], [124.65, -17.75], [124.75, -18.0], [124.65, -18.25], [124.75, -18.5], [124.53, -19.03], [124.18, -19.18], [124.15, -19.25], [124.25, -19.5], [124.15, -19.75], [124.25, -20.0], [124.15, -20.25], [124.18, -20.32], [124.53, -20.47], [124.75, -21.0], [124.53, -21.53], [124.18, -21.68], [124.03, -22.03], [123.68, -22.18], [123.53, -22.53], [123.0, -22.75], [122.47, -22.53], [122.32, -22.18], [122.25, -22.15], [122.0, -22.25], [121.75, -22.15], [121.5, -22.25], [121.25, -22.15], [121.0, -22.25], [120.47, -22.03], [120.32, -21.68], [120.25, -21.65], [120.0, -21.75], [119.47, -21.53], [119.32, -21.18], [119.25, -21.15], [119.0, -21.25], [118.47, -21.03], [118.32, -20.68], [117.97, -20.53], [117.75, -20.0], [117.85, -19.75], [117.82, -19.68], [117.47, -19.53], [117.25, -19.0], [117.35, -18.75], [117.32, -18.68], [116.97, -18.53], [116.82, -18.18], [116.47, -18.03], [116.25, -17.5], [116.35, -17.25], [116.32, -17.18], [115.97, -17.03], [115.82, -16.68], [115.47, -16.53], [115.25, -16.0], [115.47, -15.47], [115.82, -15.32], [115.85, -15.25], [115.75, -15.0], [115.85, -14.75], [115.82, -14.68], [115.47, -14.53], [115.25, -14.0], [115.35, -13.75], [115.25, -13.5], [115.35, -13.25]]]]}, "2014-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.35, -13.25], [115.25, -13.0], [115.35, -12.75], [115.25, -12.5], [115.47, -11.97], [116.0, -11.75], [116.25, -11.85], [116.5, -11.75], [116.75, -11.85], [117.0, -11.75], [117.25, -11.85], [117.5, -11.75], [117.75, -11.85], [118.0, -11.75], [118.25, -11.85], [118.5, -11.75], [118.75, -11.85], [119.0, -11.75], [119.25, -11.85], [119.32, -11.82], [119.35, -11.75], [119.25, -11.5], [119.47, -10.97], [120.0, -10.75], [120.25, -10.85], [120.5, -10.75], [120.75, -10.85], [121.0, -10.75], [121.25, -10.85], [121.5, -10.75], [121.75, -10.85], [122.0, -10.75], [122.53, -10.97], [122.68, -11.32], [123.03, -11.47], [123.18, -11.82], [123.53, -11.97], [123.75, -12.5], [123.65, -12.75], [123.68, -12.82], [124.03, -12.97], [124.25, -13.5], [124.15, -13.75], [124.18, -13.82], [124.53, -13.97], [124.75, -14.5], [124.53, -15.03], [124.18, -15.18], [124.15, -15.25], [124.18, -15.32], [124.53, -15.47], [124.75, -16.0], [124.53, -16.53], [124.18, -16.68], [124.15, -16.75], [124.18, -16.82], [124.53, -16.97], [124.75, -17.5], [124.65, -17.75], [124.75, -18.0], [124.65, -18.25], [124.75, -18.5], [124.53, -19.03], [124.18, -19.18], [124.15, -19.25], [124.25, -19.5], [124.15, -19.75], [124.25, -20.0], [124.15, -20.25], [124.18, -20.32], [124.53, -20.47], [124.75, -21.0], [124.53, -21.53], [124.18, -21.68], [124.03, -22.03], [123.68, -22.18], [123.65, -22.25], [123.68, -22.32], [124.03, -22.47], [124.25, -23.0], [124.03, -23.53], [123.5, -23.75], [123.25, -23.65], [123.0, -23.75], [122.47, -23.53], [122.25, -23.0], [122.35, -22.75], [122.32, -22.68], [121.97, -22.53], [121.82, -22.18], [121.75, -22.15], [121.5, -22.25], [121.25, -22.15], [121.0, -22.25], [120.47, -22.03], [120.32, -21.68], [120.25, -21.65], [120.0, -21.75], [119.47, -21.53], [119.32, -21.18], [119.25, -21.15], [119.0, -21.25], [118.47, -21.03], [118.32, -20.68], [117.97, -20.53], [117.75, -20.0], [117.85, -19.75], [117.82, -19.68], [117.47, -19.53], [117.25, -19.0], [117.35, -18.75], [117.32, -18.68], [116.97, -18.53], [116.82, -18.18], [116.47, -18.03], [116.25, -17.5], [116.35, -17.25], [116.32, -17.18], [115.97, -17.03], [115.82, -16.68], [115.47, -16.53], [115.25, -16.0], [115.47, -15.47], [115.82, -15.32], [115.85, -15.25], [115.75, -15.0], [115.85, -14.75], [115.82, -14.68], [115.47, -14.53], [115.25, -14.0], [115.35, -13.75], [115.25, -13.5], [115.35, -13.25]]]]}, "2014-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[112.97, -10.97], [113.32, -10.82], [113.47, -10.47], [114.0, -10.25], [114.25, -10.35], [114.5, -10.25], [114.75, -10.35], [115.0, -10.25], [115.53, -10.47], [115.68, -10.82], [115.75, -10.85], [116.0, -10.75], [116.5, -10.96], [116.82, -10.82], [116.97, -10.47], [117.5, -10.25], [117.75, -10.35], [118.0, -10.25], [118.25, -10.35], [118.5, -10.25], [119.03, -10.47], [119.25, -11.0], [119.15, -11.25], [119.25, -11.5], [119.47, -10.97], [120.0, -10.75], [120.25, -10.85], [120.5, -10.75], [120.75, -10.85], [121.0, -10.75], [121.25, -10.85], [121.5, -10.75], [121.75, -10.85], [122.0, -10.75], [122.53, -10.97], [122.68, -11.32], [123.03, -11.47], [123.18, -11.82], [123.53, -11.97], [123.75, -12.5], [123.65, -12.75], [123.68, -12.82], [124.03, -12.97], [124.25, -13.5], [124.15, -13.75], [124.18, -13.82], [124.53, -13.97], [124.75, -14.5], [124.53, -15.03], [124.18, -15.18], [124.15, -15.25], [124.18, -15.32], [124.53, -15.47], [124.75, -16.0], [124.53, -16.53], [124.18, -16.68], [124.15, -16.75], [124.18, -16.82], [124.53, -16.97], [124.75, -17.5], [124.65, -17.75], [124.75, -18.0], [124.65, -18.25], [124.75, -18.5], [124.53, -19.03], [124.18, -19.18], [124.15, -19.25], [124.25, -19.5], [124.15, -19.75], [124.25, -20.0], [124.15, -20.25], [124.18, -20.32], [124.53, -20.47], [124.75, -21.0], [124.53, -21.53], [124.18, -21.68], [124.03, -22.03], [123.68, -22.18], [123.65, -22.25], [123.68, -22.32], [124.03, -22.47], [124.25, -23.0], [124.03, -23.53], [123.5, -23.75], [123.25, -23.65], [123.0, -23.75], [122.47, -23.53], [122.25, -23.0], [122.35, -22.75], [122.32, -22.68], [121.97, -22.53], [121.82, -22.18], [121.75, -22.15], [121.5, -22.25], [121.25, -22.15], [121.0, -22.25], [120.47, -22.03], [120.32, -21.68], [120.25, -21.65], [120.0, -21.75], [119.47, -21.53], [119.32, -21.18], [119.25, -21.15], [119.0, -21.25], [118.47, -21.03], [118.32, -20.68], [117.97, -20.53], [117.75, -20.0], [117.85, -19.75], [117.82, -19.68], [117.47, -19.53], [117.25, -19.0], [117.35, -18.75], [117.32, -18.68], [116.97, -18.53], [116.82, -18.18], [116.47, -18.03], [116.25, -17.5], [116.35, -17.25], [116.32, -17.18], [115.97, -17.03], [115.82, -16.68], [115.47, -16.53], [115.25, -16.0], [115.46, -15.5], [115.25, -15.0], [115.35, -14.75], [115.32, -14.68], [114.97, -14.53], [114.82, -14.18], [114.47, -14.03], [114.25, -13.5], [114.35, -13.25], [114.32, -13.18], [113.97, -13.03], [113.82, -12.68], [113.75, -12.65], [113.5, -12.75], [112.97, -12.53], [112.75, -12.0], [112.85, -11.75], [112.75, -11.5], [112.97, -10.97]], [[119.15, -11.75], [119.18, -11.82], [119.25, -11.85], [119.32, -11.82], [119.35, -11.75], [119.25, -11.5], [119.15, -11.75]]]]}, "2014-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.47, -20.97], [122.0, -20.75], [122.53, -20.97], [122.68, -21.32], [123.03, -21.47], [123.18, -21.82], [123.53, -21.97], [123.68, -22.32], [124.03, -22.47], [124.25, -23.0], [124.03, -23.53], [123.5, -23.75], [123.25, -23.65], [123.0, -23.75], [122.47, -23.53], [122.25, -23.0], [122.35, -22.75], [122.32, -22.68], [121.97, -22.53], [121.82, -22.18], [121.47, -22.03], [121.25, -21.5], [121.47, -20.97]]], [[[113.32, -10.82], [113.47, -10.47], [114.0, -10.25], [114.25, -10.35], [114.5, -10.25], [114.75, -10.35], [115.0, -10.25], [115.53, -10.47], [115.68, -10.82], [115.75, -10.85], [116.0, -10.75], [116.5, -10.96], [116.82, -10.82], [116.97, -10.47], [117.5, -10.25], [117.75, -10.35], [118.0, -10.25], [118.25, -10.35], [118.5, -10.25], [119.03, -10.47], [119.25, -11.0], [119.15, -11.25], [119.25, -11.5], [119.47, -10.97], [120.0, -10.75], [120.25, -10.85], [120.5, -10.75], [120.75, -10.85], [121.0, -10.75], [121.25, -10.85], [121.5, -10.75], [121.75, -10.85], [122.0, -10.75], [122.53, -10.97], [122.68, -11.32], [123.03, -11.47], [123.18, -11.82], [123.53, -11.97], [123.75, -12.5], [123.65, -12.75], [123.68, -12.82], [124.03, -12.97], [124.25, -13.5], [124.15, -13.75], [124.18, -13.82], [124.53, -13.97], [124.75, -14.5], [124.53, -15.03], [124.18, -15.18], [124.15, -15.25], [124.25, -15.5], [124.15, -15.75], [124.25, -16.0], [124.15, -16.25], [124.25, -16.5], [124.15, -16.75], [124.25, -17.0], [124.03, -17.53], [123.68, -17.68], [123.65, -17.75], [123.68, -17.82], [124.03, -17.97], [124.25, -18.5], [124.03, -19.03], [123.5, -19.25], [123.25, -19.15], [123.18, -19.18], [123.03, -19.53], [122.5, -19.75], [122.25, -19.65], [122.18, -19.68], [122.03, -20.03], [121.5, -20.25], [121.25, -20.15], [121.0, -20.25], [120.47, -20.03], [120.25, -19.5], [120.35, -19.25], [120.32, -19.18], [120.25, -19.15], [120.0, -19.25], [119.47, -19.03], [119.32, -18.68], [118.97, -18.53], [118.75, -18.0], [118.85, -17.75], [118.82, -17.68], [118.75, -17.65], [118.5, -17.75], [117.97, -17.53], [117.82, -17.18], [117.47, -17.03], [117.32, -16.68], [117.25, -16.65], [117.0, -16.75], [116.47, -16.53], [116.32, -16.18], [115.97, -16.03], [115.82, -15.68], [115.47, -15.53], [115.25, -15.0], [115.35, -14.75], [115.32, -14.68], [114.97, -14.53], [114.82, -14.18], [114.47, -14.03], [114.25, -13.5], [114.35, -13.25], [114.32, -13.18], [113.97, -13.03], [113.82, -12.68], [113.75, -12.65], [113.5, -12.75], [112.97, -12.53], [112.75, -12.0], [112.85, -11.75], [112.75, -11.5], [112.97, -10.97], [113.32, -10.82]], [[119.15, -11.75], [119.18, -11.82], [119.25, -11.85], [119.32, -11.82], [119.35, -11.75], [119.25, -11.5], [119.15, -11.75]]]]}, "2014-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.97, -22.53], [121.75, -22.0], [121.97, -21.47], [122.5, -21.25], [123.03, -21.47], [123.25, -22.0], [123.03, -22.53], [122.5, -22.75], [121.97, -22.53]]], [[[120.47, -17.97], [121.0, -17.75], [121.25, -17.85], [121.5, -17.75], [122.03, -17.97], [122.25, -18.5], [122.03, -19.03], [121.5, -19.25], [121.25, -19.15], [121.0, -19.25], [120.47, -19.03], [120.25, -18.5], [120.47, -17.97]]], [[[113.47, -10.47], [114.0, -10.25], [114.25, -10.35], [114.5, -10.25], [114.75, -10.35], [115.0, -10.25], [115.53, -10.47], [115.68, -10.82], [115.75, -10.85], [116.0, -10.75], [116.5, -10.96], [116.82, -10.82], [116.97, -10.47], [117.5, -10.25], [117.75, -10.35], [118.0, -10.25], [118.25, -10.35], [118.5, -10.25], [119.03, -10.47], [119.25, -11.0], [119.15, -11.25], [119.25, -11.5], [119.15, -11.75], [119.25, -12.0], [119.15, -12.25], [119.25, -12.5], [119.15, -12.75], [119.25, -13.0], [119.15, -13.25], [119.25, -13.5], [119.03, -14.03], [118.68, -14.18], [118.53, -14.53], [118.18, -14.68], [118.03, -15.03], [117.68, -15.18], [117.53, -15.53], [117.0, -15.75], [116.75, -15.65], [116.5, -15.75], [116.25, -15.65], [116.0, -15.75], [115.47, -15.53], [115.32, -15.18], [114.97, -15.03], [114.82, -14.68], [114.47, -14.53], [114.25, -14.0], [114.35, -13.75], [114.25, -13.5], [114.35, -13.25], [114.32, -13.18], [113.97, -13.03], [113.82, -12.68], [113.75, -12.65], [113.5, -12.75], [112.97, -12.53], [112.75, -12.0], [112.85, -11.75], [112.75, -11.5], [112.97, -10.97], [113.32, -10.82], [113.47, -10.47]]]]}, "2014-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[113.97, -11.47], [114.32, -11.32], [114.47, -10.97], [115.0, -10.75], [115.25, -10.85], [115.5, -10.75], [116.03, -10.97], [116.25, -11.5], [116.15, -11.75], [116.25, -12.0], [116.15, -12.25], [116.25, -12.5], [116.15, -12.75], [116.25, -13.0], [116.15, -13.25], [116.18, -13.32], [116.53, -13.47], [116.68, -13.82], [117.03, -13.97], [117.25, -14.5], [117.03, -15.03], [116.68, -15.18], [116.53, -15.53], [116.0, -15.75], [115.47, -15.53], [115.32, -15.18], [114.97, -15.03], [114.82, -14.68], [114.47, -14.53], [114.25, -14.0], [114.35, -13.75], [114.25, -13.5], [114.35, -13.25], [114.32, -13.18], [113.97, -13.03], [113.75, -12.5], [113.85, -12.25], [113.75, -12.0], [113.97, -11.47]]]]}, "2014-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[114.25, -14.0], [114.47, -13.47], [115.0, -13.25], [115.53, -13.47], [115.68, -13.82], [116.03, -13.97], [116.25, -14.5], [116.03, -15.03], [115.5, -15.25], [114.97, -15.03], [114.82, -14.68], [114.47, -14.53], [114.25, -14.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -7.6310682063661375}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.4684624143044935}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.599377654665602, 16.653681590919575, 20.16643722354104, 21.094166447484724, 21.484395249564272, 23.316330390095118, 24.50257907037502, 24.635049526283296, 24.36588164205881]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.599377654665602, 16.653681590919575, 12.709566711613263, 11.738259189229666, 12.308117366913393, 12.516004828401094, 13.79223061861569, 23.878020742353726, 24.26239599666684]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.646067308283932, -3.520778638786453, -3.340611625118833, -2.7082238552930673, -2.5665675669820214, -1.7308682401671394, -1.1050729338982137, -1.063364739637767, -1.0627525207359838]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.646067308283932, -3.520778638786453, -7.6310682063661375, -6.305869030121812, -5.47638926898361, -3.8772808267148093, -3.431033453104135, -1.5246242280464912, -1.0940592889315326]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4771663265237187, -1.4180395434836197, -2.249999521859245, -1.9392386852530656, -2.0794668766208866, -1.7952086020652318, -1.4862153395382367, -1.5321545510958117, -1.4754261108834195]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.4771663265237187, -1.4180395434836197, -3.6603400884483293, -2.937834650479688, -3.100300337243187, -2.696605952009143, -1.9380812330014543, -2.037584531369438, -1.5063856697761269]}}