{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:36.455791", "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-Jun-11_to_2014-Jun-13_100.0_40.5"}, "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": 2014060000466}, "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 11 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 13 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": 71412.56734710146}, "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": ["China"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 40.5}, "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": 100.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "100.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 96.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 102.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.25, 40.5], [96.47, 41.03], [97.0, 41.25], [97.53, 41.03], [97.68, 40.68], [97.75, 40.65], [97.82, 40.68], [97.97, 41.03], [98.5, 41.25], [98.75, 41.15], [99.0, 41.25], [99.25, 41.15], [99.5, 41.25], [99.75, 41.15], [100.0, 41.25], [100.25, 41.15], [100.5, 41.25], [101.03, 41.03], [101.18, 40.68], [101.53, 40.53], [101.68, 40.18], [101.75, 40.15], [102.0, 40.25], [102.53, 40.03], [102.75, 39.5], [102.54, 39.0], [102.75, 38.5], [102.53, 37.97], [102.0, 37.75], [101.75, 37.85], [101.5, 37.75], [101.25, 37.85], [101.0, 37.75], [100.75, 37.85], [100.5, 37.75], [99.97, 37.97], [99.8, 38.38], [99.5, 38.25], [99.0, 38.46], [98.5, 38.25], [97.97, 38.47], [97.75, 39.0], [97.85, 39.25], [97.82, 39.32], [97.75, 39.35], [97.5, 39.25], [96.97, 39.47], [96.82, 39.82], [96.47, 39.97], [96.25, 40.5]]]]}, "2014-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.25, 40.5], [96.47, 41.03], [97.0, 41.25], [97.53, 41.03], [97.68, 40.68], [97.75, 40.65], [97.82, 40.68], [97.97, 41.03], [98.5, 41.25], [98.75, 41.15], [99.0, 41.25], [99.25, 41.15], [99.5, 41.25], [99.75, 41.15], [100.0, 41.25], [100.25, 41.15], [100.5, 41.25], [101.03, 41.03], [101.18, 40.68], [101.53, 40.53], [101.68, 40.18], [101.75, 40.15], [102.0, 40.25], [102.53, 40.03], [102.75, 39.5], [102.54, 39.0], [102.75, 38.5], [102.53, 37.97], [102.0, 37.75], [101.75, 37.85], [101.5, 37.75], [101.25, 37.85], [101.0, 37.75], [100.75, 37.85], [100.5, 37.75], [99.97, 37.97], [99.8, 38.38], [99.5, 38.25], [99.0, 38.46], [98.5, 38.25], [97.97, 38.47], [97.75, 39.0], [97.85, 39.25], [97.82, 39.32], [97.75, 39.35], [97.5, 39.25], [96.97, 39.47], [96.82, 39.82], [96.47, 39.97], [96.25, 40.5]]]]}, "2014-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.25, 40.5], [96.47, 41.03], [97.0, 41.25], [97.53, 41.03], [97.68, 40.68], [97.75, 40.65], [97.82, 40.68], [97.97, 41.03], [98.5, 41.25], [98.75, 41.15], [99.0, 41.25], [99.25, 41.15], [99.5, 41.25], [99.75, 41.15], [100.0, 41.25], [100.25, 41.15], [100.5, 41.25], [101.03, 41.03], [101.18, 40.68], [101.53, 40.53], [101.68, 40.18], [101.75, 40.15], [102.0, 40.25], [102.53, 40.03], [102.75, 39.5], [102.54, 39.0], [102.75, 38.5], [102.53, 37.97], [102.0, 37.75], [101.75, 37.85], [101.5, 37.75], [101.25, 37.85], [101.0, 37.75], [100.75, 37.85], [100.5, 37.75], [99.97, 37.97], [99.8, 38.38], [99.5, 38.25], [99.0, 38.46], [98.5, 38.25], [97.97, 38.47], [97.75, 39.0], [97.85, 39.25], [97.82, 39.32], [97.75, 39.35], [97.5, 39.25], [96.97, 39.47], [96.82, 39.82], [96.47, 39.97], [96.25, 40.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -7.547384721554124}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -5.571173996391307}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.713012098577167, 14.391288922858564, 15.657053292886928]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-2.0989363905804908, -2.2307152483157893, -0.42602433269888706]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-5.603432173024671, -6.086493586326011, -5.02359622982324]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-7.185312383971507, -7.119272429498153, -7.547384721554124]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.8415367377668233, -2.0084740570110453, -1.685420398794318]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.218496779227544, -2.318941733695015, -2.3544099276539074]}}