{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:21:07.823706", "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": "2019-Dec-16_to_2019-Dec-21_105.0_16.5"}, "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": 2019120001876}, "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": "December 16 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 21 2019"}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 50403.6266137992}, "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": ["Laos", "Thailand", "Vietnam"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": []}, "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": 16.5}, "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": 105.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "105.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 104.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 107.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.97, 17.53], [105.5, 17.75], [105.75, 17.65], [106.0, 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15.97], [104.25, 16.5], [104.35, 16.75], [104.32, 16.82], [103.97, 16.97], [103.75, 17.5]]]]}, "2019-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.75, 17.5], [103.97, 18.03], [104.5, 18.25], [104.75, 18.15], [105.0, 18.25], [105.53, 18.03], [105.68, 17.68], [105.75, 17.65], [106.0, 17.75], [106.25, 17.65], [106.5, 17.75], [107.03, 17.53], [107.25, 17.0], [107.15, 16.75], [107.18, 16.68], [107.53, 16.53], [107.75, 16.0], [107.54, 15.5], [107.75, 15.0], [107.53, 14.47], [107.0, 14.25], [106.47, 14.47], [106.32, 14.82], [106.25, 14.85], [106.0, 14.75], [105.47, 14.97], [105.32, 15.32], [104.97, 15.47], [104.82, 15.82], [104.47, 15.97], [104.25, 16.5], [104.35, 16.75], [104.32, 16.82], [103.97, 16.97], [103.75, 17.5]]]]}, "2019-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.75, 17.5], [103.97, 18.03], [104.5, 18.25], [104.75, 18.15], [105.0, 18.25], [105.53, 18.03], [105.75, 17.5], [105.65, 17.25], [105.75, 17.0], [105.65, 16.75], 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"value": 5.005071325865629}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.102028016347284}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.583933055401303, 25.11611114836097, 25.23831417487895, 25.84426989699699, 26.325450142725742, 26.159705876315286]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.65726897500116, 26.929964204870487, 26.919923101445022, 26.69961336510437, 26.325450142725742, 26.159705876315286]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.883434510135186, 4.002837680483738, 4.299799842138545, 4.103048405779518, 4.43631889225486, 4.269623758331704]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m 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