{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:27.356549", "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": "2016-Oct-30_to_2016-Nov-02_93.5_12.5"}, "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": 2016100000891}, "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": "October 30 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 02 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 99723.7438749653}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Bay-of-Bengal", "S.E.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": ["Andaman or Burma Sea", "Bay of Bengal"]}, "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": 12.5}, "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": 93.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "93.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 89.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 94.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 14.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.25, 12.5], [89.47, 13.03], [90.0, 13.25], [90.25, 13.15], 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12.35], [92.5, 12.25], [92.25, 12.35], [92.18, 12.32], [92.15, 12.25], [92.25, 12.0], [92.13, 11.7]]]]}, "2016-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[89.25, 12.5], [89.47, 13.03], [90.0, 13.25], [90.25, 13.15], [90.38, 13.2], [90.25, 13.5], [90.47, 14.03], [90.82, 14.18], [90.97, 14.53], [91.5, 14.75], [92.03, 14.53], [92.18, 14.18], [92.25, 14.15], [92.5, 14.25], [92.75, 14.15], [93.0, 14.25], [93.53, 14.03], [93.68, 13.68], [93.75, 13.65], [94.0, 13.75], [94.53, 13.53], [94.75, 13.0], [94.65, 12.75], [94.75, 12.5], [94.65, 12.25], [94.75, 12.0], [94.53, 11.47], [94.0, 11.25], [93.57, 11.43], [93.68, 11.18], [94.03, 11.03], [94.25, 10.5], [94.03, 9.97], [93.5, 9.75], [93.25, 9.85], [93.0, 9.75], [92.75, 9.85], [92.68, 9.82], [92.53, 9.47], [92.0, 9.25], [91.47, 9.47], [91.32, 9.82], [90.97, 9.97], [90.82, 10.32], [90.47, 10.47], [90.32, 10.82], [89.97, 10.97], [89.75, 11.5], [89.85, 11.75], [89.82, 11.82], [89.47, 11.97], [89.25, 12.5]], [[92.13, 11.7], 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-1.0634204180231062}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.316878892439945, 26.373089685832724, 26.15567303762026, 26.507879452931547]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.894532064665157, 26.11132546101618, 25.95410504150999, 26.42668390257029]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.0173141857809103, -0.9804954466636018, -1.1954711937062739, -1.0154558322299039]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.250092084140988, -1.2106331513566033, -1.4333307480723079, -1.0876634827307043]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.510481349661525, -1.4275525714529882, -1.7445137654011977, -1.399442888922564]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7570305945963147, -1.6098256962499389, -1.9101105000213612, -1.4840099082665423]}}