{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:42.829969", "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": "2010-May-30_to_2010-Jun-01_138.5_-19.0"}, "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": 2010050000924}, "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": "May 30 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 01 2010"}, "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": 128600.84955056172}, "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": -19.0}, "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": 138.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "138.5\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": 140.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -20.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.0, -18.75], [133.25, -18.85], [133.5, -18.75], [133.75, -18.85], [134.0, -18.75], [134.25, -18.85], [134.5, -18.75], [134.75, -18.85], [135.0, -18.75], [135.25, -18.85], [135.5, -18.75], [135.75, -18.85], [135.88, -18.8], [135.75, -18.5], [135.85, -18.25], [135.82, -18.18], [135.47, -18.03], [135.32, -17.68], [134.97, -17.53], [134.75, -17.0], [134.97, -16.47], [135.5, -16.25], [135.75, -16.35], [136.0, -16.25], [136.53, -16.47], [136.68, -16.82], [136.75, -16.85], [137.0, -16.75], [137.53, -16.97], [137.68, -17.32], [138.03, -17.47], [138.18, -17.82], [138.25, -17.85], [138.5, -17.75], [138.75, -17.85], [138.82, -17.82], [138.97, -17.47], [139.5, -17.25], [140.03, -17.47], [140.25, -18.0], [140.15, -18.25], [140.25, -18.5], [140.15, -18.75], [140.18, -18.82], [140.53, -18.97], [140.75, -19.5], [140.65, -19.75], [140.75, -20.0], [140.53, -20.53], [140.0, -20.75], [139.5, -20.54], [139.0, -20.75], [138.75, -20.65], [138.5, -20.75], [138.25, -20.65], [138.0, -20.75], [137.47, -20.53], [137.32, -20.18], [137.25, -20.15], [137.0, -20.25], 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"2010-06-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.0, -18.75], [133.25, -18.85], [133.5, -18.75], [133.75, -18.85], [134.0, -18.75], [134.25, -18.85], [134.5, -18.75], [134.75, -18.85], [135.0, -18.75], [135.25, -18.85], [135.5, -18.75], [135.75, -18.85], [135.88, -18.8], [135.75, -18.5], [135.85, -18.25], [135.82, -18.18], [135.47, -18.03], [135.32, -17.68], [134.97, -17.53], [134.75, -17.0], [134.97, -16.47], [135.5, -16.25], [135.75, -16.35], [136.0, -16.25], [136.53, -16.47], [136.68, -16.82], [136.75, -16.85], [137.0, -16.75], [137.53, -16.97], [137.68, -17.32], [138.03, -17.47], [138.18, -17.82], [138.25, -17.85], [138.5, -17.75], [138.75, -17.85], [138.82, -17.82], [138.97, -17.47], [139.5, -17.25], [140.03, -17.47], [140.25, -18.0], [140.15, -18.25], [140.25, -18.5], [140.15, -18.75], [140.18, -18.82], [140.53, -18.97], [140.75, -19.5], [140.65, -19.75], [140.75, -20.0], [140.53, -20.53], [140.0, -20.75], [139.5, -20.54], [139.0, -20.75], [138.75, 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15.853464938588957]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.076181525061202, 13.250301699976774, 14.68757809073503]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-5.293458528473078, -6.205726641932627, -4.930026042817868]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-6.1192107921838215, -6.983731023679923, -5.5000646903838515]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6488433219012324, -1.9435162331673177, -1.5529093919248262]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.878731552719022, -2.1597922601659905, -1.8346746931842446]}}