{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:23.505226", "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": "2013-Sep-15_to_2013-Sep-17_95.5_20.0"}, "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": 2013090000777}, "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": "September 15 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 17 2013"}, "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": "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": 52125.28802873399}, "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": ["Myanmar"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Asia", "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": 20.0}, "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": 95.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "95.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 94.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 96.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 18.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.75, 22.0], [93.97, 22.53], [94.5, 22.75], [94.75, 22.65], [95.0, 22.75], [95.5, 22.54], [96.0, 22.75], [96.53, 22.53], [96.75, 22.0], [96.65, 21.75], [96.75, 21.5], [96.65, 21.25], [96.75, 21.0], [96.65, 20.75], [96.75, 20.5], [96.65, 20.25], [96.68, 20.18], [97.03, 20.03], [97.25, 19.5], [97.15, 19.25], [97.25, 19.0], [97.15, 18.75], [97.25, 18.5], [97.03, 17.97], [96.5, 17.75], [95.97, 17.97], [95.82, 18.32], [95.47, 18.47], [95.32, 18.82], [94.97, 18.97], [94.75, 19.5], [94.85, 19.75], [94.75, 20.0], [94.85, 20.25], [94.82, 20.32], [94.47, 20.47], [94.25, 21.0], [94.38, 21.3], [93.97, 21.47], [93.75, 22.0]]]]}, "2013-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.75, 22.0], [93.97, 22.53], [94.5, 22.75], [94.75, 22.65], [95.0, 22.75], [95.5, 22.54], [96.0, 22.75], [96.53, 22.53], [96.75, 22.0], [96.65, 21.75], [96.75, 21.5], [96.65, 21.25], [96.75, 21.0], [96.65, 20.75], [96.75, 20.5], [96.65, 20.25], [96.68, 20.18], [97.03, 20.03], [97.25, 19.5], [97.15, 19.25], [97.25, 19.0], [97.15, 18.75], [97.25, 18.5], [97.03, 17.97], [96.5, 17.75], [95.97, 17.97], [95.82, 18.32], [95.47, 18.47], [95.32, 18.82], [94.97, 18.97], [94.75, 19.5], [94.85, 19.75], [94.75, 20.0], [94.85, 20.25], [94.82, 20.32], [94.47, 20.47], [94.25, 21.0], [94.38, 21.3], [93.97, 21.47], [93.75, 22.0]]]]}, "2013-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[93.75, 22.0], [93.97, 22.53], [94.5, 22.75], [94.75, 22.65], [95.0, 22.75], [95.5, 22.54], [96.0, 22.75], [96.53, 22.53], [96.75, 22.0], [96.65, 21.75], [96.75, 21.5], [96.65, 21.25], [96.75, 21.0], [96.65, 20.75], [96.75, 20.5], [96.65, 20.25], [96.68, 20.18], [97.03, 20.03], [97.25, 19.5], [97.15, 19.25], [97.25, 19.0], [97.15, 18.75], [97.25, 18.5], [97.03, 17.97], [96.5, 17.75], [95.97, 17.97], [95.82, 18.32], [95.47, 18.47], [95.32, 18.82], [94.97, 18.97], [94.75, 19.5], [94.85, 19.75], [94.75, 20.0], [94.85, 20.25], [94.82, 20.32], [94.47, 20.47], [94.25, 21.0], [94.38, 21.3], [93.97, 21.47], [93.75, 22.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.353390614034538}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.7511228404071093}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.747600679555433, 25.737667261034744, 25.482579500435747]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.725317891759005, 23.646058573300536, 23.399153314519594]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.6765897171853732, -1.667948451001921, -1.908830353034034]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.309071331326379, -2.353390614034538, -2.313895160150423]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.553341616992123, -1.5578696390972409, -1.7741686755289738]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.042207623636706, -1.9628534105624131, -2.2594831737964367]}}