{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:04:29.860085", "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": "2015-Dec-15_to_2015-Dec-17_80.0_9.5"}, "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": 2015120001852}, "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 15 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 17 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 55018.793726154356}, "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": ["Sri Lanka"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Bay-of-Bengal", "S.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": ["Bay of Bengal", "Laccadive 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": 9.5}, "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": 80.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "80.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 78.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 81.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 10.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-12-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.25, 8.5], [78.47, 9.03], [78.82, 9.18], [78.85, 9.25], [78.75, 9.5], [78.85, 9.75], [78.75, 10.0], [78.97, 10.53], [79.5, 10.75], [80.03, 10.53], [80.18, 10.18], [80.25, 10.15], [80.5, 10.25], [81.03, 10.03], [81.18, 9.68], [81.53, 9.53], [81.68, 9.18], [82.03, 9.03], [82.25, 8.5], [82.03, 7.97], [81.5, 7.75], [81.25, 7.85], [81.13, 7.8], [81.25, 7.5], [81.03, 6.97], [80.5, 6.75], [80.25, 6.85], [80.18, 6.82], [80.03, 6.47], [79.5, 6.25], [78.97, 6.47], [78.75, 7.0], [78.85, 7.25], [78.75, 7.5], [78.85, 7.75], [78.82, 7.82], [78.47, 7.97], [78.25, 8.5]]]]}, "2015-12-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.25, 8.5], [78.47, 9.03], [78.82, 9.18], [78.85, 9.25], [78.75, 9.5], [78.85, 9.75], [78.75, 10.0], [78.97, 10.53], [79.5, 10.75], [80.03, 10.53], [80.18, 10.18], [80.25, 10.15], [80.5, 10.25], [81.03, 10.03], [81.18, 9.68], [81.53, 9.53], [81.68, 9.18], [82.03, 9.03], [82.25, 8.5], [82.03, 7.97], [81.5, 7.75], [81.25, 7.85], [81.13, 7.8], [81.25, 7.5], [81.03, 6.97], [80.5, 6.75], [80.25, 6.85], [80.18, 6.82], [80.03, 6.47], [79.5, 6.25], [78.97, 6.47], [78.75, 7.0], [78.85, 7.25], [78.75, 7.5], [78.85, 7.75], [78.82, 7.82], [78.47, 7.97], [78.25, 8.5]]]]}, "2015-12-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[78.25, 8.5], [78.47, 9.03], [78.82, 9.18], [78.85, 9.25], [78.75, 9.5], [78.85, 9.75], [78.75, 10.0], [78.97, 10.53], [79.5, 10.75], [80.03, 10.53], [80.18, 10.18], [80.25, 10.15], [80.5, 10.25], [81.03, 10.03], [81.18, 9.68], [81.53, 9.53], [81.68, 9.18], [82.03, 9.03], [82.25, 8.5], [82.03, 7.97], [81.5, 7.75], [81.25, 7.85], [81.13, 7.8], [81.25, 7.5], [81.03, 6.97], [80.5, 6.75], [80.25, 6.85], [80.18, 6.82], [80.03, 6.47], [79.5, 6.25], [78.97, 6.47], [78.75, 7.0], [78.85, 7.25], [78.75, 7.5], [78.85, 7.75], [78.82, 7.82], [78.47, 7.97], [78.25, 8.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9884842510396084}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1096314839032952}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.055269434622346, 27.028479993466306, 27.053947719676728]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.90373354326647, 27.626546853223715, 27.852263546851134]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.0887260925611473, 1.0922054188294983, 1.14796294031924]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.9884842510396084, 1.6149047804571524, 1.4465892597556262]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8005575561562703, 1.9140203507690994, 2.0633285173624505]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.5694527814626578, 2.7742349072047383, 3.1275323650752105]}}