{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:27.483159", "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-Apr-18_to_2010-Apr-23_95.5_25.5"}, "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": 2010040000510}, "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": "April 18 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 23 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 55439.63385383558}, "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": ["India", "Myanmar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.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": 25.5}, "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": 95.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "95.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 95.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 97.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-04-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.97, 26.03], [95.5, 26.25], [95.75, 26.15], [95.88, 26.2], 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[95.5, 24.75], [94.97, 24.97], [94.75, 25.5], [94.96, 26.0], [94.75, 26.5], [94.96, 27.0]]]]}, "2010-04-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.0, 28.75], [96.53, 28.53], [96.75, 28.0], [96.53, 27.47], [96.0, 27.25], [95.47, 27.47], [95.25, 28.0], [95.47, 28.53], [96.0, 28.75]]]]}, "2010-04-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[96.0, 28.75], [96.53, 28.53], [96.75, 28.0], [96.53, 27.47], [96.0, 27.25], [95.47, 27.47], [95.25, 28.0], [95.47, 28.53], [96.0, 28.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.462990385532635}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -3.5045551436651006}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.504272088218727, 20.450970589777114, 20.219466683421047, 20.018777462824232, 19.01481725640076, 19.300442033996262]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.503480435193467, 15.141795783358532, 14.740626746465011, 14.667622347659915, 19.01481725640076, 19.300442033996262]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.1475729673743587, -3.5667642553964445, -3.7839992792327046, -3.351171551637599, -3.0815876409311045, -2.899489422512545]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.444485769542098, -5.170763854734844, -5.462990385532635, -4.7113140109272535, -3.0815876409311045, -2.899489422512545]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": 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