{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:40.797147", "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-Feb-05_to_2014-Feb-07_153.5_-29.5"}, "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": 2014020000259}, "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": "February 05 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 07 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 67689.05334720848}, "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": ["E.Australia", "S.Pacific-Ocean"]}, "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": ["Coral 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": -29.5}, "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": 153.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "153.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 152.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 156.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -29.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -27.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.85, -28.75], [151.75, -28.5], [151.85, -28.25], [151.75, -28.0], [151.85, -27.75], [151.75, -27.5], [151.97, -26.97], [152.5, -26.75], [153.03, -26.97], [153.18, -27.32], [153.53, -27.47], [153.68, -27.82], [154.0, -27.96], [154.32, -27.82], [154.47, -27.47], [155.0, -27.25], [155.53, -27.47], [155.68, -27.82], [156.03, -27.97], [156.18, -28.32], [156.53, -28.47], [156.75, -29.0], [156.65, -29.25], [156.75, -29.5], [156.53, -30.03], [156.0, -30.25], [155.75, -30.15], [155.5, -30.25], [155.25, -30.15], [155.0, -30.25], [154.75, -30.15], [154.5, -30.25], [154.0, -30.04], [153.5, -30.25], [153.25, -30.15], [153.0, -30.25], [152.75, -30.15], [152.5, -30.25], [151.97, -30.03], [151.75, -29.5], [151.85, -29.25], [151.75, -29.0], [151.85, -28.75]]]]}, "2014-02-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.85, -28.75], [151.75, -28.5], [151.85, -28.25], [151.75, -28.0], [151.85, -27.75], [151.75, -27.5], [151.97, -26.97], [152.5, -26.75], [153.03, -26.97], [153.18, -27.32], [153.53, -27.47], [153.68, -27.82], [154.0, -27.96], [154.32, -27.82], [154.47, -27.47], [155.0, -27.25], [155.53, -27.47], [155.68, -27.82], [156.03, -27.97], [156.18, -28.32], [156.53, -28.47], [156.75, -29.0], [156.65, -29.25], [156.75, -29.5], [156.53, -30.03], [156.0, -30.25], [155.75, -30.15], [155.5, -30.25], [155.25, -30.15], [155.0, -30.25], [154.75, -30.15], [154.5, -30.25], [154.0, -30.04], [153.5, -30.25], [153.25, -30.15], [153.0, -30.25], [152.75, -30.15], [152.5, -30.25], [151.97, -30.03], [151.75, -29.5], [151.85, -29.25], [151.75, -29.0], [151.85, -28.75]]]]}, "2014-02-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.85, -28.75], [151.75, -28.5], [151.85, -28.25], [151.75, -28.0], [151.85, -27.75], [151.75, -27.5], [151.97, -26.97], [152.5, -26.75], [153.03, -26.97], [153.18, -27.32], [153.53, -27.47], [153.68, -27.82], [154.0, -27.96], [154.32, -27.82], [154.47, -27.47], [155.0, -27.25], [155.53, -27.47], [155.68, -27.82], [156.03, -27.97], [156.18, -28.32], [156.53, -28.47], [156.75, -29.0], [156.65, -29.25], [156.75, -29.5], [156.53, -30.03], [156.0, -30.25], [155.75, -30.15], [155.5, -30.25], [155.25, -30.15], [155.0, -30.25], [154.75, -30.15], [154.5, -30.25], [154.0, -30.04], [153.5, -30.25], [153.25, -30.15], [153.0, -30.25], [152.75, -30.15], [152.5, -30.25], [151.97, -30.03], [151.75, -29.5], [151.85, -29.25], [151.75, -29.0], [151.85, -28.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -4.666524354401702}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.239871634273071}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.40629617269417, 21.53058474767164, 21.976775178382525]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.183745919078945, 18.50915769282551, 18.729594598353856]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.4744735757517016, -2.3394777436870915, -1.9056635833804194]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.666524354401702, -3.404074071494108, -3.1730188477927754]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5892832116527598, -1.6687851014417223, -1.387109255901585]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.8915566530625227, -2.216706528290147, -1.7296536203709052]}}