{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:37.473630", "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-Jun-30_to_2016-Jul-03_97.0_29.5"}, "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": 2016060000981}, "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 30 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 03 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": 75556.38717113851}, "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", "Myanmar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "Tibetan-Plateau"]}, "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": 29.5}, "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": 97.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 96.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 99.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.85, 30.25], [95.75, 30.5], [95.97, 31.03], [96.5, 31.25], 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26.25], [97.75, 26.35], [97.5, 26.25], [96.97, 26.47], [96.75, 27.0], [96.85, 27.25], [96.75, 27.5], [96.85, 27.75], [96.75, 28.0], [96.85, 28.25], [96.75, 28.5], [96.85, 28.75], [96.82, 28.82], [96.75, 28.85], [96.5, 28.75], [95.97, 28.97], [95.75, 29.5], [95.85, 29.75], [95.75, 30.0], [95.85, 30.25]]]]}, "2016-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[95.85, 30.25], [95.75, 30.5], [95.97, 31.03], [96.5, 31.25], [97.0, 31.04], [97.5, 31.25], [97.75, 31.15], [98.0, 31.25], [98.53, 31.03], [98.68, 30.68], [98.75, 30.65], [99.0, 30.75], [99.53, 30.53], [99.68, 30.18], [100.03, 30.03], [100.25, 29.5], [100.15, 29.25], [100.25, 29.0], [100.03, 28.47], [99.5, 28.25], [99.25, 28.35], [99.18, 28.32], [99.03, 27.97], [98.68, 27.82], [98.54, 27.5], [98.75, 27.0], [98.53, 26.47], [98.0, 26.25], [97.75, 26.35], [97.5, 26.25], [96.97, 26.47], [96.75, 27.0], [96.85, 27.25], [96.75, 27.5], [96.85, 27.75], [96.75, 28.0], [96.85, 28.25], [96.75, 28.5], [96.85, 28.75], 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"Mean t2m anomaly over entire duration", "value": -2.283900982741558}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [7.7736844116432735, 9.549855203496634, 9.338946844030488, 10.688549084153465]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [1.6397497435413015, 1.6455572252779689, 0.5636365579573521, 1.780351112031326]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.3335252308563845, -2.2055742577910746, -2.4510336683408247, -2.038941867573868]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.204744687420998, -3.52319815876308, -4.347001689106378, -3.2767472395345862]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.633207742352823, -1.7199682804340608, -1.8520447146494952, -1.806994849434243]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.0535280874744317, -2.082965788313012, -2.5083857253518853, -2.975850987446482]}}