{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:48.838117", "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": "2010-Oct-12_to_2010-Oct-17_123.0_-11.0"}, "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": 2010100000511}, "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": "October 12 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 17 2010"}, "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": "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": 109125.76530253293}, "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": ["N.Australia", "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": ["Indian Ocean", "Savu Sea", "Timor 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": -11.0}, "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": 123.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "123.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 121.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 126.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -12.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -9.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.0, -10.25], [123.53, -10.47], [123.75, -11.0], [123.53, -11.53], [123.0, -11.75], [122.47, -11.53], [122.25, -11.0], [122.47, -10.47], [123.0, -10.25]]]]}, "2010-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.0, -10.25], [123.53, -10.47], [123.75, -11.0], [123.53, -11.53], [123.0, -11.75], [122.47, -11.53], [122.25, -11.0], [122.47, -10.47], [123.0, -10.25]]]]}, "2010-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.25, -11.5], [121.47, -10.97], [122.0, -10.75], [122.25, -10.85], [122.32, -10.82], [122.47, -10.47], [123.0, -10.25], [123.53, -10.47], [123.75, -11.0], [123.63, -11.3], [124.03, -11.47], [124.18, -11.82], [124.53, -11.97], [124.75, -12.5], [124.53, -13.03], [124.0, -13.25], [123.75, -13.15], [123.5, -13.25], [123.25, -13.15], [123.0, -13.25], [122.47, -13.03], [122.32, -12.68], [121.97, -12.53], [121.82, -12.18], [121.47, -12.03], [121.25, -11.5]]]]}, "2010-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.25, -11.5], [121.47, -10.97], [121.82, -10.82], [121.85, -10.75], [121.82, -10.68], [121.47, -10.53], [121.25, -10.0], [121.47, -9.47], [121.82, -9.32], [121.97, -8.97], [122.5, -8.75], [123.03, -8.97], [123.2, -9.37], [123.5, -9.25], [123.75, -9.35], [124.0, -9.25], [124.53, -9.47], [124.75, -10.0], [124.63, -10.3], [124.75, -10.35], [125.0, -10.25], [125.25, -10.35], [125.5, -10.25], [125.75, -10.35], [126.0, -10.25], [126.53, -10.47], [126.68, -10.82], [127.03, -10.97], [127.25, -11.5], [127.03, -12.03], [126.5, -12.25], [126.25, -12.15], [126.18, -12.18], [126.03, -12.53], [125.5, -12.75], [125.25, -12.65], [125.0, -12.75], [124.75, -12.65], [124.68, -12.68], [124.53, -13.03], [124.0, -13.25], [123.75, -13.15], [123.5, -13.25], [123.25, -13.15], [123.0, -13.25], [122.47, -13.03], [122.32, -12.68], [121.97, -12.53], [121.82, -12.18], [121.47, -12.03], [121.25, -11.5]]]]}, "2010-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.25, -11.5], [121.47, -10.97], [121.82, -10.82], [121.85, -10.75], [121.82, -10.68], [121.47, -10.53], [121.25, -10.0], [121.47, -9.47], [121.82, -9.32], [121.97, -8.97], [122.5, -8.75], [123.03, -8.97], [123.2, -9.37], [123.5, -9.25], [123.75, -9.35], [124.0, -9.25], [124.53, -9.47], [124.75, -10.0], [124.63, -10.3], [124.75, -10.35], [125.0, -10.25], [125.25, -10.35], [125.5, -10.25], [125.75, -10.35], [126.0, -10.25], [126.53, -10.47], [126.68, -10.82], [127.03, -10.97], [127.25, -11.5], [127.03, -12.03], [126.5, -12.25], [126.25, -12.15], [126.18, -12.18], [126.03, -12.53], [125.5, -12.75], [125.25, -12.65], [125.0, -12.75], [124.75, -12.65], [124.68, -12.68], [124.53, -13.03], [124.0, -13.25], [123.75, -13.15], [123.5, -13.25], [123.25, -13.15], [123.0, -13.25], [122.47, -13.03], [122.32, -12.68], [121.97, -12.53], [121.82, -12.18], [121.47, -12.03], [121.25, -11.5]]]]}, "2010-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.25, -10.0], [121.47, -9.47], [121.82, -9.32], [121.97, -8.97], [122.5, -8.75], [123.03, -8.97], [123.2, -9.37], [123.5, -9.25], [123.75, -9.35], [124.0, -9.25], [124.53, -9.47], [124.75, -10.0], [124.63, -10.3], [124.75, -10.35], [125.0, -10.25], [125.25, -10.35], [125.5, -10.25], [125.75, -10.35], [126.0, -10.25], [126.53, -10.47], [126.68, -10.82], [127.03, -10.97], [127.25, -11.5], [127.03, -12.03], [126.5, -12.25], [126.25, -12.15], [126.18, -12.18], [126.03, -12.53], [125.5, -12.75], [125.25, -12.65], [125.0, -12.75], [124.75, -12.65], [124.5, -12.75], [124.25, -12.65], [124.0, -12.75], [123.47, -12.53], [123.32, -12.18], [123.25, -12.15], [123.0, -12.25], [122.75, -12.15], [122.5, -12.25], [121.97, -12.03], [121.75, -11.5], [121.85, -11.25], [121.75, -11.0], [121.85, -10.75], [121.82, -10.68], [121.47, -10.53], [121.25, -10.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.095458548050999}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.1538810678537317}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.32174170780786, 26.768073685171828, 26.74539848489343, 26.46433909571374, 26.469259300247018, 26.534359494090893]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.32174170780786, 26.768073685171828, 26.572835139644155, 25.210294670521932, 24.55575654108128, 24.806053080895026]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.6933839345393267, -1.308070158421799, -0.876657679414595, -1.1549112701762962, -1.1912503476773457, -1.168327177558426]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.6933839345393267, -1.308070158421799, -1.1255369137469984, -1.6433326854041752, -2.095458548050999, -1.8778590933100645]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.6207503733724353, -1.9783134467672387, -1.4320401971494578, -1.919156744759731, -2.0232128921247057, -1.9898624321368041]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.6207503733724353, -1.9783134467672387, -1.6913743669129016, -2.4957025588938064, -2.666099873601227, -2.7829457666740427]}}