{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:55.801052", "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-Mar-25_to_2014-Mar-27_133.0_-17.0"}, "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": 2014030001008}, "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": "March 25 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 27 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": 64769.79698293756}, "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": []}, "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": -17.0}, "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": 133.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "133.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 136.25}, "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": -16.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.97, -16.47], [132.5, -16.25], [132.75, -16.35], [133.0, -16.25], [133.25, -16.35], [133.5, -16.25], [133.75, -16.35], [133.82, -16.32], [133.97, -15.97], [134.5, -15.75], [134.75, -15.85], [135.0, -15.75], [135.53, -15.97], [135.75, -16.5], [135.65, -16.75], [135.75, -17.0], [135.63, -17.3], [135.75, -17.35], [136.0, -17.25], [136.53, -17.47], [136.75, -18.0], [136.65, -18.25], [136.75, -18.5], [136.53, -19.03], [136.0, -19.25], [135.75, -19.15], [135.68, -19.18], [135.53, -19.53], [135.0, -19.75], [134.47, -19.53], [134.32, -19.18], [134.25, -19.15], [134.0, -19.25], [133.47, -19.03], [133.3, -18.62], [133.0, -18.75], [132.47, -18.53], [132.32, -18.18], [131.97, -18.03], [131.75, -17.5], [131.85, -17.25], [131.75, -17.0], [131.97, -16.47]]]]}, "2014-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.97, -16.47], [132.5, -16.25], [132.75, -16.35], [133.0, -16.25], [133.25, -16.35], [133.5, -16.25], [133.75, -16.35], [133.82, -16.32], [133.97, -15.97], [134.5, -15.75], [134.75, -15.85], [135.0, -15.75], [135.53, -15.97], [135.75, -16.5], [135.65, -16.75], [135.75, -17.0], [135.63, -17.3], [135.75, -17.35], [136.0, -17.25], [136.53, -17.47], [136.75, -18.0], [136.65, -18.25], [136.75, -18.5], [136.53, -19.03], [136.0, -19.25], [135.75, -19.15], [135.68, -19.18], [135.53, -19.53], [135.0, -19.75], [134.47, -19.53], [134.32, -19.18], [134.25, -19.15], [134.0, -19.25], [133.47, -19.03], [133.3, -18.62], [133.0, -18.75], [132.47, -18.53], [132.32, -18.18], [131.97, -18.03], [131.75, -17.5], [131.85, -17.25], [131.75, -17.0], [131.97, -16.47]]]]}, "2014-03-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.97, -16.47], [132.5, -16.25], [132.75, -16.35], [133.0, -16.25], [133.25, -16.35], [133.5, -16.25], [133.75, -16.35], [133.82, -16.32], [133.97, -15.97], [134.5, -15.75], [134.75, -15.85], [135.0, -15.75], [135.53, -15.97], [135.75, -16.5], [135.65, -16.75], [135.75, -17.0], [135.63, -17.3], [135.75, -17.35], [136.0, -17.25], [136.53, -17.47], [136.75, -18.0], [136.65, -18.25], [136.75, -18.5], [136.53, -19.03], [136.0, -19.25], [135.75, -19.15], [135.68, -19.18], [135.53, -19.53], [135.0, -19.75], [134.47, -19.53], [134.32, -19.18], [134.25, -19.15], [134.0, -19.25], [133.47, -19.03], [133.3, -18.62], [133.0, -18.75], [132.47, -18.53], [132.32, -18.18], [131.97, -18.03], [131.75, -17.5], [131.85, -17.25], [131.75, -17.0], [131.97, -16.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.694018799660057}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.89358463889157}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.95908256212539, 23.221433258612706, 24.390628618203266]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.17722770351901, 22.164529393468626, 22.7716634897551]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.212889894760167, -4.837162520713419, -3.630701501201124]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.998804754172909, -5.694018799660057, -5.262914241708586]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6442623890588843, -2.545721406661867, -1.95749396502581]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.032429249690897, -2.9255725286604886, -2.6615332520514716]}}