{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:51.303016", "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": "2019-Jun-04_to_2019-Jun-06_138.5_-16.0"}, "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": 2019060000201}, "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": "June 04 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 06 2019"}, "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": 62211.348980312614}, "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": ["Arafura 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": -16.0}, "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": 136.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 140.75}, "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": -14.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.75, -15.0], [135.97, -14.47], [136.5, -14.25], [136.75, -14.35], [137.0, -14.25], [137.53, -14.47], [137.68, -14.82], [138.03, -14.97], [138.18, -15.32], [138.25, -15.35], [138.5, -15.25], [138.8, -15.37], [138.97, -14.97], [139.5, -14.75], [139.75, -14.85], [140.0, -14.75], [140.53, -14.97], [140.75, -15.5], [140.65, -15.75], [140.68, -15.82], [141.03, -15.97], [141.25, -16.5], [141.04, -17.0], [141.25, -17.5], [141.15, -17.75], [141.25, -18.0], [141.15, -18.25], [141.25, -18.5], [141.15, -18.75], [141.25, -19.0], [141.03, -19.53], [140.5, -19.75], [139.97, -19.53], [139.82, -19.18], [139.47, -19.03], [139.25, -18.5], [139.46, -18.0], [139.25, -17.5], [139.35, -17.25], [139.3, -17.12], [139.0, -17.25], [138.75, -17.15], [138.5, -17.25], [137.97, -17.03], [137.82, -16.68], [137.75, -16.65], [137.5, -16.75], [136.97, -16.53], [136.82, -16.18], [136.47, -16.03], [136.32, -15.68], [135.97, -15.53], [135.75, -15.0]]]]}, "2019-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.75, -15.0], [135.97, -14.47], [136.5, -14.25], [136.75, -14.35], [137.0, -14.25], [137.53, -14.47], [137.68, -14.82], [138.03, -14.97], [138.18, -15.32], [138.25, -15.35], [138.5, -15.25], [138.8, -15.37], [138.97, -14.97], [139.5, -14.75], [139.75, -14.85], [140.0, -14.75], [140.53, -14.97], [140.75, -15.5], [140.65, -15.75], [140.68, -15.82], [141.03, -15.97], [141.25, -16.5], [141.04, -17.0], [141.25, -17.5], [141.15, -17.75], [141.25, -18.0], [141.15, -18.25], [141.25, -18.5], [141.15, -18.75], [141.25, -19.0], [141.03, -19.53], [140.5, -19.75], [139.97, -19.53], [139.82, -19.18], [139.47, -19.03], [139.25, -18.5], [139.46, -18.0], [139.25, -17.5], [139.35, -17.25], [139.3, -17.12], [139.0, -17.25], [138.75, -17.15], [138.5, -17.25], [137.97, -17.03], [137.82, -16.68], [137.75, -16.65], [137.5, -16.75], [136.97, -16.53], [136.82, -16.18], [136.47, -16.03], [136.32, -15.68], [135.97, -15.53], [135.75, -15.0]]]]}, "2019-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.75, -15.0], [135.97, -14.47], [136.5, -14.25], [136.75, -14.35], [137.0, -14.25], [137.53, -14.47], [137.68, -14.82], [138.03, -14.97], [138.18, -15.32], [138.25, -15.35], [138.5, -15.25], [138.8, -15.37], [138.97, -14.97], [139.5, -14.75], [139.75, -14.85], [140.0, -14.75], [140.53, -14.97], [140.75, -15.5], [140.65, -15.75], [140.68, -15.82], [141.03, -15.97], [141.25, -16.5], [141.04, -17.0], [141.25, -17.5], [141.15, -17.75], [141.25, -18.0], [141.15, -18.25], [141.25, -18.5], [141.15, -18.75], [141.25, -19.0], [141.03, -19.53], [140.5, -19.75], [139.97, -19.53], [139.82, -19.18], [139.47, -19.03], [139.25, -18.5], [139.46, -18.0], [139.25, -17.5], [139.35, -17.25], [139.3, -17.12], [139.0, -17.25], [138.75, -17.15], [138.5, -17.25], [137.97, -17.03], [137.82, -16.68], [137.75, -16.65], [137.5, -16.75], [136.97, -16.53], [136.82, -16.18], [136.47, -16.03], [136.32, -15.68], [135.97, -15.53], [135.75, -15.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -6.142021234949539}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.1520657264266054}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.382874261977804, 20.75351382861379, 20.7049847093445]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.356076474483928, 17.56635442989915, 17.624900193489736]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.460096039949105, -3.020559644723091, -2.9755414946076204]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-6.142021234949539, -4.860734867875237, -5.321027294197108]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.8035206295904889, -1.6225070437823599, -1.6132674578918813]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.019258440308069, -1.7835740610783954, -1.7605858742340672]}}