{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:22:36.993666", "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": "2020-Dec-04_to_2020-Dec-09_104.5_1.0"}, "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": 2020120001546}, "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 04 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 09 2020"}, "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": 55518.82353380103}, "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": ["Indonesia"]}, "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": ["South China Sea"]}, "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": 1.0}, "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": 104.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "104.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 102.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 104.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, 6.0], [102.47, 6.53], [103.0, 6.75], [103.53, 6.53], 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5.25], [102.82, 5.32], [102.47, 5.47], [102.25, 6.0]]]]}, "2020-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.25, 6.0], [102.47, 6.53], [103.0, 6.75], [103.53, 6.53], [103.68, 6.18], [104.03, 6.03], [104.18, 5.68], [104.53, 5.53], [104.68, 5.18], [105.03, 5.03], [105.25, 4.5], [105.04, 4.0], [105.25, 3.5], [105.15, 3.25], [105.25, 3.0], [105.15, 2.75], [105.25, 2.5], [105.15, 2.25], [105.25, 2.0], [105.15, 1.75], [105.25, 1.5], [105.15, 1.25], [105.25, 1.0], [105.03, 0.47], [104.5, 0.25], [103.97, 0.47], [103.75, 1.0], [103.85, 1.25], [103.75, 1.5], [103.85, 1.75], [103.82, 1.82], [103.47, 1.97], [103.32, 2.32], [102.97, 2.47], [102.75, 3.0], [102.85, 3.25], [102.75, 3.5], [102.97, 4.03], [103.32, 4.18], [103.35, 4.25], [103.32, 4.32], [102.97, 4.47], [102.75, 5.0], [102.85, 5.25], [102.82, 5.32], [102.47, 5.47], [102.25, 6.0]]]]}, "2020-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[102.97, 4.03], [103.32, 4.18], [103.47, 4.53], 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recorded over entire duration", "value": 1.612320907627975}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.079809177078419}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.3618074587186, 27.28584709260042, 27.781039238656092, 27.699988992425517, 27.730373138872835, 27.694404160255715]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.516686822282907, 27.548400690675464, 28.296103340447985, 28.509191282162533, 27.730373138872835, 27.694404160255715]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.9912780633353103, 0.8306238921842083, 1.3062982824342397, 1.1779985856444075, 0.8414454763935737, 0.8304326042268713]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": 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