{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:22.400036", "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": "2011-May-06_to_2011-May-09_94.0_15.0"}, "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": 2011050000442}, "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": "May 06 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 09 2011"}, "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": 65847.26760014553}, "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": ["India"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Bay-of-Bengal", "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": ["Andaman or Burma Sea", "Bay of Bengal"]}, "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": 15.0}, "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": 94.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "94.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 92.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 95.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.0, 15.75], [94.53, 15.53], [94.75, 15.0], [94.53, 14.47], [94.0, 14.25], [93.47, 14.47], [93.25, 15.0], [93.47, 15.53], [94.0, 15.75]]]]}, "2011-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.96, 15.0], [91.75, 15.5], [91.97, 16.03], [92.5, 16.25], [92.75, 16.15], [93.0, 16.25], [93.25, 16.15], [93.5, 16.25], [94.03, 16.03], [94.18, 15.68], [94.25, 15.65], [94.5, 15.75], [95.03, 15.53], [95.18, 15.18], [95.53, 15.03], [95.75, 14.5], [95.65, 14.25], [95.75, 14.0], [95.53, 13.47], [95.18, 13.32], [95.03, 12.97], [94.5, 12.75], [94.25, 12.85], [94.0, 12.75], [93.5, 12.96], [93.0, 12.75], [92.47, 12.97], [92.32, 13.32], [91.97, 13.47], [91.75, 14.0], [91.85, 14.25], [91.75, 14.5], [91.96, 15.0]]]]}, "2011-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.96, 15.0], [91.75, 15.5], [91.97, 16.03], [92.5, 16.25], [92.75, 16.15], [93.0, 16.25], [93.25, 16.15], [93.5, 16.25], [94.03, 16.03], [94.18, 15.68], [94.25, 15.65], [94.5, 15.75], [95.03, 15.53], [95.18, 15.18], [95.53, 15.03], [95.75, 14.5], [95.65, 14.25], [95.75, 14.0], [95.53, 13.47], [95.18, 13.32], [95.03, 12.97], [94.5, 12.75], [94.25, 12.85], [94.0, 12.75], [93.5, 12.96], [93.0, 12.75], [92.47, 12.97], [92.32, 13.32], [91.97, 13.47], [91.75, 14.0], [91.85, 14.25], [91.75, 14.5], [91.96, 15.0]]]]}, "2011-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[91.96, 15.0], [91.75, 15.5], [91.97, 16.03], [92.5, 16.25], [92.75, 16.15], [93.0, 16.25], [93.25, 16.15], [93.5, 16.25], [94.03, 16.03], [94.18, 15.68], [94.25, 15.65], [94.5, 15.75], [95.03, 15.53], [95.18, 15.18], [95.53, 15.03], [95.75, 14.5], [95.65, 14.25], [95.75, 14.0], [95.53, 13.47], [95.18, 13.32], [95.03, 12.97], [94.5, 12.75], [94.25, 12.85], [94.0, 12.75], [93.5, 12.96], [93.0, 12.75], [92.47, 12.97], [92.32, 13.32], [91.97, 13.47], [91.75, 14.0], [91.85, 14.25], [91.75, 14.5], [91.96, 15.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.9435819193458315}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.4753154797664747}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.562298359075214, 27.133334399612124, 27.303715607355628, 27.444466095068492]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.562298359075214, 26.72729597196212, 27.029318111981752, 27.253121582254437]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.191016684067506, -1.6495723241716833, -1.4739161419259508, -1.3153806457335613]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.191016684067506, -1.9435819193458315, -1.6835293191299456, -1.5070365067762168]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.3964917398299634, -1.8801829840776738, -1.6473852696709579, -1.465975860649072]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.3964917398299634, -2.33837370735416, -1.8064425665074402, -1.6144254699159526]}}