{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:08.051492", "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-Aug-15_to_2011-Aug-19_100.0_14.5"}, "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": 2011080000837}, "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": "August 15 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 19 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 65605.99804764806}, "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": ["Thailand"]}, "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": 14.5}, "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": 100.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "100.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 99.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 103.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.75, 15.5], [98.97, 16.03], [99.32, 16.18], [99.47, 16.53], [100.0, 16.75], [100.25, 16.65], [100.5, 16.75], [101.03, 16.53], [101.18, 16.18], [101.25, 16.15], [101.5, 16.25], [101.75, 16.15], [101.82, 16.18], [101.85, 16.25], [101.75, 16.5], [101.97, 17.03], [102.5, 17.25], [103.03, 17.03], [103.25, 16.5], [103.15, 16.25], [103.25, 16.0], [103.15, 15.75], [103.25, 15.5], [103.15, 15.25], [103.18, 15.18], [103.53, 15.03], [103.75, 14.5], [103.53, 13.97], [103.0, 13.75], [102.75, 13.85], [102.5, 13.75], [102.25, 13.85], [102.0, 13.75], [101.47, 13.97], [101.32, 14.32], [101.25, 14.35], [101.18, 14.32], [101.03, 13.97], [100.5, 13.75], [100.25, 13.85], [100.0, 13.75], [99.47, 13.97], [99.25, 14.5], [99.35, 14.75], [99.32, 14.82], [98.97, 14.97], [98.75, 15.5]]]]}, "2011-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.75, 15.5], [98.97, 16.03], [99.32, 16.18], [99.47, 16.53], [100.0, 16.75], [100.25, 16.65], [100.5, 16.75], [101.03, 16.53], [101.18, 16.18], [101.25, 16.15], [101.5, 16.25], [101.75, 16.15], [101.82, 16.18], [101.85, 16.25], [101.75, 16.5], [101.97, 17.03], [102.5, 17.25], [103.03, 17.03], [103.25, 16.5], [103.15, 16.25], [103.25, 16.0], [103.15, 15.75], [103.25, 15.5], [103.15, 15.25], [103.18, 15.18], [103.53, 15.03], [103.75, 14.5], [103.53, 13.97], [103.0, 13.75], [102.75, 13.85], [102.5, 13.75], [102.25, 13.85], [102.0, 13.75], [101.47, 13.97], [101.32, 14.32], [101.25, 14.35], [101.18, 14.32], [101.03, 13.97], [100.5, 13.75], [100.25, 13.85], [100.0, 13.75], [99.47, 13.97], [99.25, 14.5], [99.35, 14.75], [99.32, 14.82], [98.97, 14.97], [98.75, 15.5]]]]}, "2011-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.75, 15.5], [98.97, 16.03], [99.32, 16.18], [99.47, 16.53], [100.0, 16.75], [100.25, 16.65], [100.5, 16.75], [101.03, 16.53], [101.18, 16.18], [101.25, 16.15], [101.5, 16.25], [101.75, 16.15], [101.82, 16.18], [101.85, 16.25], [101.75, 16.5], [101.97, 17.03], [102.5, 17.25], [103.03, 17.03], [103.25, 16.5], [103.15, 16.25], [103.25, 16.0], [103.15, 15.75], [103.25, 15.5], [103.15, 15.25], [103.18, 15.18], [103.53, 15.03], [103.75, 14.5], [103.53, 13.97], [103.0, 13.75], [102.75, 13.85], [102.5, 13.75], [102.25, 13.85], [102.0, 13.75], [101.47, 13.97], [101.32, 14.32], [101.25, 14.35], [101.18, 14.32], [101.03, 13.97], [100.5, 13.75], [100.25, 13.85], [100.0, 13.75], [99.47, 13.97], [99.25, 14.5], [99.35, 14.75], [99.32, 14.82], [98.97, 14.97], [98.75, 15.5]]]]}, "2011-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.0, 15.25], [100.53, 15.03], [100.75, 14.5], [100.53, 13.97], [100.0, 13.75], [99.47, 13.97], [99.25, 14.5], [99.47, 15.03], [100.0, 15.25]]]]}, "2011-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[100.0, 15.25], [100.53, 15.03], [100.75, 14.5], [100.53, 13.97], [100.0, 13.75], [99.47, 13.97], [99.25, 14.5], [99.47, 15.03], [100.0, 15.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.397129913100059}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.7288607837918282}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.714693762826016, 26.555837764679097, 26.53349829705735, 27.86471916894419, 27.622284010009537]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.933289460909407, 24.598080409425336, 24.88114940681396, 27.86471916894419, 27.622284010009537]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.6534267964400984, -1.775933049735241, -1.7595447200361656, -1.5652941692873128, -1.841338671903884]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.397129913100059, -2.0436977362806488, -2.3540735754195907, -1.5652941692873128, -1.841338671903884]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6901510581754444, -1.8200284803225073, -1.7954677617783397, -1.3221589675742855, -1.5471501786995359]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.1241807769666736, -2.322240558350629, -2.398887798327888, -1.3221589675742855, -1.5471501786995359]}}