{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:52.816523", "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-Jul-24_to_2013-Jul-27_125.5_-16.5"}, "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": 2013070001241}, "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 24 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 27 2013"}, "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": "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": 183404.25778271083}, "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": ["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": -16.5}, "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": 125.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "125.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 122.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 129.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.97, -17.47], [123.5, -17.25], [123.75, -17.35], [123.88, -17.3], [123.82, -17.18], [123.47, -17.03], [123.25, -16.5], [123.47, -15.97], [124.0, -15.75], [124.25, -15.85], [124.32, -15.82], [124.47, -15.47], [125.0, -15.25], [125.53, -15.47], [125.68, -15.82], [125.75, -15.85], [125.82, -15.82], [125.85, -15.75], [125.75, -15.5], [125.97, -14.97], [126.5, -14.75], [126.75, -14.85], [126.82, -14.82], [126.97, -14.47], [127.5, -14.25], [128.03, -14.47], [128.18, -14.82], [128.25, -14.85], [128.5, -14.75], [129.03, -14.97], [129.18, -15.32], [129.25, -15.35], [129.5, -15.25], [130.03, -15.47], [130.25, -16.0], [130.03, -16.53], [129.5, -16.75], [129.25, -16.65], [129.0, -16.75], [128.75, -16.65], [128.5, -16.75], [128.25, -16.65], [128.0, -16.75], [127.75, -16.65], [127.68, -16.68], [127.65, -16.75], [127.75, -17.0], [127.65, -17.25], [127.75, -17.5], [127.53, -18.03], [127.18, -18.18], [127.03, -18.53], [126.68, -18.68], [126.65, -18.75], [126.75, -19.0], [126.53, -19.53], [126.0, -19.75], [125.47, -19.53], [125.32, -19.18], [125.25, -19.15], [125.0, -19.25], [124.75, -19.15], [124.5, -19.25], [124.25, -19.15], [124.0, -19.25], [123.75, -19.15], [123.5, -19.25], [122.97, -19.03], [122.75, -18.5], [122.85, -18.25], [122.75, -18.0], [122.97, -17.47]]]]}, "2013-07-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.85, -17.25], [121.75, -17.0], [121.97, -16.47], [122.5, -16.25], [122.75, -16.35], [123.0, -16.25], [123.3, -16.37], [123.47, -15.97], [123.82, -15.82], [123.85, -15.75], [123.75, -15.5], [123.97, -14.97], [124.5, -14.75], [124.75, -14.85], [124.82, -14.82], [124.97, -14.47], [125.5, -14.25], [125.75, -14.35], [125.82, -14.32], [125.97, -13.97], [126.5, -13.75], [127.03, -13.97], [127.2, -14.37], [127.5, -14.25], [128.03, -14.47], [128.18, -14.82], [128.25, -14.85], [128.5, -14.75], [129.03, -14.97], [129.18, -15.32], [129.25, -15.35], [129.5, -15.25], [130.03, -15.47], [130.25, -16.0], [130.03, -16.53], [129.5, -16.75], [129.25, -16.65], [129.0, -16.75], [128.75, -16.65], [128.5, -16.75], [128.25, -16.65], [128.0, -16.75], [127.75, -16.65], [127.68, -16.68], [127.65, -16.75], [127.75, -17.0], [127.65, -17.25], [127.75, -17.5], [127.53, -18.03], [127.18, -18.18], [127.03, -18.53], [126.68, -18.68], [126.65, -18.75], [126.75, -19.0], [126.53, -19.53], [126.0, -19.75], [125.47, -19.53], [125.32, -19.18], [125.25, -19.15], [125.0, -19.25], [124.75, -19.15], [124.5, -19.25], [124.25, -19.15], [124.0, -19.25], [123.75, -19.15], [123.5, -19.25], [122.97, -19.03], [122.8, -18.62], [122.5, -18.75], [121.97, -18.53], [121.75, -18.0], [121.85, -17.75], [121.75, -17.5], [121.85, -17.25]]]]}, "2013-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.85, -17.25], [121.75, -17.0], [121.97, -16.47], [122.5, -16.25], [122.75, -16.35], [123.0, -16.25], [123.3, -16.37], [123.47, -15.97], [123.82, -15.82], [123.85, -15.75], [123.75, -15.5], [123.97, -14.97], [124.5, -14.75], [124.75, -14.85], [124.82, -14.82], [124.97, -14.47], [125.5, -14.25], [125.75, -14.35], [125.82, -14.32], [125.97, -13.97], [126.5, -13.75], [127.03, -13.97], [127.2, -14.37], [127.5, -14.25], [128.03, -14.47], [128.18, -14.82], [128.25, -14.85], [128.5, -14.75], [129.03, -14.97], [129.18, -15.32], [129.25, -15.35], [129.5, -15.25], [130.03, -15.47], [130.25, -16.0], [130.03, -16.53], [129.5, -16.75], [129.25, -16.65], [129.0, -16.75], [128.75, -16.65], [128.5, -16.75], [128.25, -16.65], [128.0, -16.75], [127.75, -16.65], [127.68, -16.68], [127.65, -16.75], [127.75, -17.0], [127.65, -17.25], [127.75, -17.5], [127.53, -18.03], [127.18, -18.18], [127.03, -18.53], [126.68, -18.68], [126.65, -18.75], [126.75, -19.0], [126.53, -19.53], [126.0, -19.75], [125.47, -19.53], [125.32, -19.18], [125.25, -19.15], [125.0, -19.25], [124.75, -19.15], [124.5, -19.25], [124.25, -19.15], [124.0, -19.25], [123.75, -19.15], [123.5, -19.25], [122.97, -19.03], [122.8, -18.62], [122.5, -18.75], [121.97, -18.53], [121.75, -18.0], [121.85, -17.75], [121.75, -17.5], [121.85, -17.25]]]]}, "2013-07-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.85, -17.25], [121.75, -17.0], [121.97, -16.47], [122.5, -16.25], [122.75, -16.35], [123.0, -16.25], [123.3, -16.37], [123.47, -15.97], [123.82, -15.82], [123.85, -15.75], [123.75, -15.5], [123.97, -14.97], [124.5, -14.75], [124.75, -14.85], [124.82, -14.82], [124.97, -14.47], [125.5, -14.25], [125.75, -14.35], [125.82, -14.32], [125.97, -13.97], [126.5, -13.75], [127.03, -13.97], [127.25, -14.5], [127.03, -15.03], [126.68, -15.18], [126.53, -15.53], [126.18, -15.68], [126.15, -15.75], [126.25, -16.0], [126.15, -16.25], [126.25, -16.5], [126.03, -17.03], [125.63, -17.2], [125.75, -17.5], [125.53, -18.03], [125.0, -18.25], [124.75, -18.15], [124.68, -18.18], [124.53, -18.53], [124.0, -18.75], [123.47, -18.53], [123.32, -18.18], [123.2, -18.12], [123.03, -18.53], [122.5, -18.75], [121.97, -18.53], [121.75, -18.0], [121.85, -17.75], [121.75, -17.5], [121.85, -17.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.796925648416163}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.7892759377657126}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.43602580902325, 18.42104237718729, 18.526399249958786, 19.225265828995987]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.35220629510394, 15.86823627795053, 16.406437800928984, 16.810823503032907]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.7456321081032957, -3.9297849232393527, -3.872893679148994, -3.2939325669049637]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.481404536308048, -4.796925648416163, -4.738616162999847, -4.627200104884366]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5333037215006686, -1.6774832140163274, -1.6690020035726498, -1.6226871006724541]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.8729979258592102, -2.0411197814918056, -2.018707976491519, -2.15405887928357]}}