{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:20.428770", "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": "2024-Jun-28_to_2024-Jul-02_97.5_29.0"}, "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": 2024060000816}, "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 28 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 02 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 79691.75762958502}, "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", "India", "Myanmar"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Asia", "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": 29.0}, "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": 97.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 95.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 100.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[94.47, 28.03], [95.0, 28.25], [95.25, 28.15], [95.32, 28.18], [95.47, 28.53], [96.0, 28.75], [96.5, 28.54], [96.82, 28.68], [96.85, 28.75], [96.75, 29.0], [96.97, 29.53], [97.5, 29.75], [98.03, 29.53], [98.18, 29.18], [98.53, 29.03], [98.75, 28.5], [98.65, 28.25], [98.68, 28.18], [99.03, 28.03], [99.18, 27.68], [99.53, 27.53], [99.68, 27.18], [100.03, 27.03], [100.18, 26.68], [100.53, 26.53], [100.75, 26.0], [100.53, 25.47], [100.0, 25.25], [99.75, 25.35], [99.5, 25.25], [99.25, 25.35], [99.0, 25.25], [98.47, 25.47], [98.32, 25.82], [97.97, 25.97], [97.82, 26.32], [97.75, 26.35], [97.5, 26.25], [97.25, 26.35], [97.18, 26.32], [97.03, 25.97], [96.5, 25.75], [96.25, 25.85], [96.0, 25.75], [95.47, 25.97], [95.25, 26.5], [95.35, 26.75], [95.32, 26.82], [95.25, 26.85], [95.0, 26.75], [94.47, 26.97], [94.25, 27.5], [94.47, 28.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Tibetan-Plateau", "E.Asia", "S.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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"value": -1.7822690283675982}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [8.516151202261824, 17.069109172496383, 17.194107807977957, 17.58613158093334, 17.391668350112752]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.516151202261824, 3.239062052467375, 3.268623757206285, 5.827707367838229, 6.311944669295201]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.1591815818980535, -1.6099760285089457, -1.987499002400727, -1.9335759834643755, -1.493253407954813]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.1591815818980535, -5.097331539075753, -5.165479740373826, -3.2972169632349164, -2.258483430566912]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean 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