{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:51.094154", "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-26_to_2010-Nov-11_120.0_-5.0"}, "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": 2010100001037}, "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 26 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 11 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 17}, "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": 83205.24999025773}, "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": ["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": ["Banda Sea", "Gulf of Boni"]}, "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": -5.0}, "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": 120.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "120.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 119.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 123.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -4.5], [119.35, -4.25], [119.25, -4.0], [119.47, -3.47], [120.0, -3.25], [120.53, -3.47], [120.75, -4.0], [120.65, -4.25], [120.75, -4.5], [120.97, -3.97], [121.5, -3.75], [122.03, -3.97], [122.2, -4.37], [122.5, -4.25], [123.03, -4.47], [123.25, -5.0], [123.03, -5.53], [122.5, -5.75], [121.97, -5.53], [121.8, -5.13], [121.5, -5.25], [121.07, -5.07], [121.25, -5.5], [121.03, -6.03], [120.5, -6.25], [120.25, -6.15], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.35, -4.75], [119.25, -4.5]], [[120.65, -4.75], [120.68, -4.82], [120.93, -4.93], [120.75, -4.5], [120.65, -4.75]]]]}, "2010-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -4.5], [119.35, -4.25], [119.25, -4.0], [119.47, -3.47], [120.0, -3.25], [120.53, -3.47], [120.7, -3.87], [121.0, -3.75], [121.25, -3.85], [121.5, -3.75], [121.75, -3.85], [122.0, -3.75], [122.53, -3.97], [122.68, -4.32], [123.03, -4.47], [123.25, -5.0], [123.03, -5.53], [122.5, -5.75], [121.97, -5.53], [121.82, -5.18], [121.75, -5.15], [121.5, -5.25], [121.25, -5.15], [121.13, -5.2], [121.25, -5.5], [121.03, -6.03], [120.5, -6.25], [120.25, -6.15], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.35, -4.75], [119.25, -4.5]]]]}, "2010-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -4.5], [119.35, -4.25], [119.25, -4.0], [119.47, -3.47], [119.82, -3.32], [119.97, -2.97], [120.5, -2.75], [120.8, -2.87], [120.97, -2.47], [121.5, -2.25], [121.75, -2.35], [122.0, -2.25], [122.53, -2.47], [122.75, -3.0], [122.65, -3.25], [122.75, -3.5], [122.65, -3.75], [122.75, -4.0], [122.65, -4.25], [122.68, -4.32], [123.03, -4.47], [123.18, -4.82], [123.53, -4.97], [123.75, -5.5], [123.53, -6.03], [123.0, -6.25], [122.47, -6.03], [122.32, -5.68], [121.97, -5.53], [121.82, -5.18], [121.75, -5.15], [121.5, -5.25], [121.25, -5.15], [121.13, -5.2], [121.25, -5.5], [121.03, -6.03], [120.5, -6.25], [120.25, -6.15], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.35, -4.75], [119.25, -4.5]]]]}, "2010-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -4.5], [119.35, -4.25], [119.25, -4.0], [119.47, -3.47], [119.82, -3.32], [119.97, -2.97], [120.5, -2.75], [120.8, -2.87], [120.97, -2.47], [121.5, -2.25], [121.75, -2.35], [122.0, -2.25], [122.53, -2.47], [122.75, -3.0], [122.65, -3.25], [122.68, -3.32], [123.03, -3.47], [123.25, -4.0], [123.15, -4.25], [123.25, -4.5], [123.15, -4.75], [123.18, -4.82], [123.53, -4.97], [123.75, -5.5], [123.53, -6.03], [123.0, -6.25], [122.47, -6.03], [122.32, -5.68], [122.2, -5.63], [122.03, -6.03], [121.5, -6.25], [121.0, -6.04], [120.5, -6.25], [120.25, -6.15], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.35, -4.75], [119.25, -4.5]]]]}, "2010-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -4.5], [119.35, -4.25], [119.25, -4.0], [119.47, -3.47], [119.82, -3.32], [119.97, -2.97], [120.5, -2.75], [120.8, -2.87], [120.97, -2.47], [121.5, -2.25], [121.75, -2.35], [122.0, -2.25], [122.53, -2.47], [122.75, -3.0], [122.65, -3.25], [122.68, -3.32], [123.03, -3.47], [123.25, -4.0], [123.15, -4.25], [123.25, -4.5], [123.15, -4.75], [123.18, -4.82], [123.53, -4.97], [123.75, -5.5], [123.53, -6.03], [123.0, -6.25], [122.47, -6.03], [122.32, -5.68], [122.2, -5.63], [122.03, -6.03], [121.5, -6.25], [121.0, -6.04], [120.5, -6.25], [120.25, -6.15], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.35, -4.75], [119.25, -4.5]]]]}, "2010-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -4.5], [119.35, -4.25], [119.25, -4.0], [119.47, -3.47], [119.82, -3.32], [119.97, -2.97], [120.5, -2.75], [121.0, -2.96], [121.5, -2.75], [121.75, -2.85], [122.0, -2.75], [122.53, -2.97], [122.68, -3.32], [123.03, -3.47], [123.25, -4.0], [123.15, -4.25], [123.25, -4.5], [123.15, -4.75], [123.18, -4.82], [123.53, -4.97], [123.75, -5.5], [123.53, -6.03], [123.0, -6.25], [122.47, -6.03], [122.32, -5.68], [122.2, -5.63], [122.03, -6.03], [121.5, -6.25], [121.0, -6.04], [120.5, -6.25], [120.25, -6.15], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.35, -4.75], [119.25, -4.5]]]]}, "2010-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -4.5], [119.35, -4.25], [119.25, -4.0], [119.47, -3.47], [120.0, -3.25], [120.53, -3.47], [120.75, -4.0], [120.65, -4.25], [120.75, -4.5], [120.97, -3.97], [121.32, -3.82], [121.47, -3.47], [122.0, -3.25], [122.53, -3.47], [122.75, -4.0], [122.65, -4.25], [122.68, -4.32], [123.03, -4.47], [123.25, -5.0], [123.03, -5.53], [122.5, -5.75], [122.2, -5.63], [122.03, -6.03], [121.5, -6.25], [121.0, -6.04], [120.5, -6.25], [120.25, -6.15], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.35, -4.75], [119.25, -4.5]], [[120.65, -4.75], [120.68, -4.82], [120.8, -4.87], [120.85, -4.75], [120.75, -4.5], [120.65, -4.75]]]]}, "2010-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -4.5], [119.35, -4.25], [119.25, -4.0], [119.47, -3.47], [120.0, -3.25], [120.53, -3.47], [120.75, -4.0], [120.65, -4.25], [120.75, -4.5], [120.97, -3.97], [121.32, -3.82], [121.47, -3.47], [122.0, -3.25], [122.25, -3.35], [122.5, -3.25], [123.03, -3.47], [123.25, -4.0], [123.04, -4.5], [123.25, -5.0], [123.03, -5.53], [122.5, -5.75], [121.97, -5.53], [121.82, -5.18], [121.75, -5.15], [121.5, -5.25], [121.07, -5.07], [121.25, -5.5], [121.03, -6.03], [120.5, -6.25], [120.25, -6.15], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.35, -4.75], [119.25, -4.5]], [[120.65, -4.75], [120.68, -4.82], [120.93, -4.93], [120.75, -4.5], [120.65, -4.75]]]]}, "2010-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.35, -4.25], [119.25, -4.0], [119.47, -3.47], [120.0, -3.25], [120.25, -3.35], [120.5, -3.25], [121.03, -3.47], [121.18, -3.82], [121.53, -3.97], [121.75, -4.5], [121.65, -4.75], [121.75, -5.0], [121.53, -5.53], [121.18, -5.68], [121.03, -6.03], [120.5, -6.25], [120.25, -6.15], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.35, -4.75], [119.25, -4.5], [119.35, -4.25]]], [[[121.75, -4.0], [121.97, -3.47], [122.5, -3.25], [122.75, -3.35], [123.0, -3.25], [123.53, -3.47], [123.75, -4.0], [123.53, -4.53], [123.0, -4.75], [122.75, -4.65], [122.5, -4.75], [121.97, -4.53], [121.75, -4.0]]]]}, "2010-11-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -4.5], [119.35, -4.25], [119.25, -4.0], [119.47, -3.47], [120.0, -3.25], [120.25, -3.35], [120.5, -3.25], [121.03, -3.47], [121.18, -3.82], [121.25, -3.85], [121.32, -3.82], [121.47, -3.47], [122.0, -3.25], [122.25, -3.35], [122.5, -3.25], [122.75, -3.35], [123.0, -3.25], [123.53, -3.47], [123.75, -4.0], [123.53, -4.53], [123.18, -4.68], [123.15, -4.75], [123.25, -5.0], [123.03, -5.53], [122.5, -5.75], [121.97, -5.53], [121.82, -5.18], [121.75, -5.15], [121.68, -5.18], [121.53, -5.53], [121.18, -5.68], [121.03, -6.03], [120.5, -6.25], [120.25, -6.15], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.35, -4.75], [119.25, -4.5]]]]}, "2010-11-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -4.5], [119.35, -4.25], [119.25, -4.0], [119.47, -3.47], [120.0, -3.25], [120.25, -3.35], [120.5, -3.25], [121.03, -3.47], [121.18, -3.82], [121.25, -3.85], [121.32, -3.82], [121.47, -3.47], [122.0, -3.25], [122.25, -3.35], [122.5, -3.25], [122.75, -3.35], [123.0, -3.25], [123.53, -3.47], [123.75, -4.0], [123.53, -4.53], [123.18, -4.68], [123.15, -4.75], [123.25, -5.0], [123.03, -5.53], [122.5, -5.75], [121.97, -5.53], [121.82, -5.18], [121.75, -5.15], [121.68, -5.18], [121.53, -5.53], [121.18, -5.68], [121.03, -6.03], [120.5, -6.25], [120.25, -6.15], [120.0, -6.25], [119.75, -6.15], [119.5, -6.25], [118.97, -6.03], [118.75, -5.5], [118.97, -4.97], [119.32, -4.82], [119.35, -4.75], [119.25, -4.5]]]]}, "2010-11-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -5.0], [119.47, -4.47], [120.0, -4.25], [120.5, -4.46], [120.82, -4.32], [120.97, -3.97], [121.32, -3.82], [121.47, -3.47], [122.0, -3.25], [122.5, -3.46], [123.0, -3.25], [123.53, -3.47], [123.75, -4.0], [123.53, -4.53], [123.18, -4.68], [123.15, -4.75], [123.25, -5.0], [123.03, -5.53], [122.5, -5.75], [121.97, -5.53], [121.82, -5.18], [121.75, -5.15], [121.68, -5.18], [121.53, -5.53], [121.18, -5.68], [121.03, -6.03], [120.5, -6.25], [119.97, -6.03], [119.82, -5.68], [119.47, -5.53], [119.25, -5.0]]]]}, "2010-11-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.97, -3.47], [120.5, -3.25], [121.03, -3.47], [121.25, -4.0], [121.15, -4.25], [121.25, -4.5], [121.03, -5.03], [120.68, -5.18], [120.53, -5.53], [120.0, -5.75], [119.47, -5.53], [119.25, -5.0], [119.47, -4.47], [119.82, -4.32], [119.85, -4.25], [119.75, -4.0], [119.97, -3.47]]], [[[122.25, -3.35], [122.5, -3.25], [123.03, -3.47], [123.25, -4.0], [123.04, -4.5], [123.25, -5.0], [123.03, -5.53], [122.5, -5.75], [121.97, -5.53], [121.82, -5.18], [121.47, -5.03], [121.25, -4.5], [121.35, -4.25], [121.25, -4.0], [121.47, -3.47], [122.0, -3.25], [122.25, -3.35]]]]}, "2010-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.97, -3.47], [120.5, -3.25], [121.03, -3.47], [121.25, -4.0], [121.15, -4.25], [121.25, -4.5], [121.03, -5.03], [120.68, -5.18], [120.53, -5.53], [120.0, -5.75], [119.47, -5.53], [119.25, -5.0], [119.47, -4.47], [119.82, -4.32], [119.85, -4.25], [119.75, -4.0], [119.97, -3.47]]], [[[122.25, -3.35], [122.5, -3.25], [123.03, -3.47], [123.25, -4.0], [123.04, -4.5], [123.25, -5.0], [123.03, -5.53], [122.5, -5.75], [121.97, -5.53], [121.82, -5.18], [121.47, -5.03], [121.25, -4.5], [121.35, -4.25], [121.25, -4.0], [121.47, -3.47], [122.0, -3.25], [122.25, -3.35]]]]}, "2010-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.97, -3.47], [120.5, -3.25], [121.03, -3.47], [121.25, -4.0], [121.15, -4.25], [121.25, -4.5], [121.03, -5.03], [120.68, -5.18], [120.53, -5.53], [120.0, -5.75], [119.47, -5.53], [119.25, -5.0], [119.47, -4.47], [119.82, -4.32], [119.85, -4.25], [119.75, -4.0], [119.97, -3.47]]], [[[122.25, -3.35], [122.5, -3.25], [123.03, -3.47], [123.25, -4.0], [123.04, -4.5], [123.25, -5.0], [123.03, -5.53], [122.5, -5.75], [121.97, -5.53], [121.82, -5.18], [121.47, -5.03], [121.25, -4.5], [121.35, -4.25], [121.25, -4.0], [121.47, -3.47], [122.0, -3.25], [122.25, -3.35]]]]}, "2010-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.0, -4.25], [120.53, -4.47], [120.75, -5.0], [120.53, -5.53], [120.0, -5.75], [119.47, -5.53], [119.25, -5.0], [119.47, -4.47], [120.0, -4.25]]]]}, "2010-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.0, -4.25], [120.53, -4.47], [120.75, -5.0], [120.53, -5.53], [120.0, -5.75], [119.47, -5.53], [119.25, -5.0], [119.47, -4.47], [120.0, -4.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.7838942226597396}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.5195596482849267}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.201972459053252, 26.17651175893235, 25.458379739651093, 25.350831649831775, 25.596833666091243, 25.486132702078635, 26.080484068003557, 26.059599138346016, 26.221526979591374, 26.085920199844736, 26.179797642406413, 26.327218561084806, 26.222543606844795, 26.192581342515098, 25.87220255946096, 25.047388394408813, 25.04119449873525]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.991801366881305, 24.719554074082453, 21.1657054323735, 20.970756665763133, 21.239091943178494, 21.612254743925575, 24.483941565636428, 24.714565340715694, 24.61467229985277, 24.288438496876267, 23.922076157035974, 24.742503763753916, 24.712259102964822, 24.846548032568307, 24.38905635531802, 25.047388394408813, 25.04119449873525]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.4425500855130196, -1.4553425861816152, -1.5124696212649509, -1.684625361881208, -1.4457619306383662, -1.753685131923624, -1.5452266040488591, -1.536926266422597, -1.3415385803129756, -1.5411353601163, -1.457552165646455, -1.3027723192675214, -1.2846508087932957, -1.335775627746029, -1.6615853607980935, -1.483269267338187, -1.494534287867225]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.9369077165713406, -2.002523066331946, -2.2299649868426172, -2.7838942226597396, -2.476028082060793, -2.6428347385538586, -2.1508760331655594, -1.8793541503317783, -2.118873362461727, -2.4132445465251067, -2.595572797507373, -1.9238299083112906, -2.0236813754143554, -1.837078174334522, -2.763084723779741, -1.483269267338187, -1.494534287867225]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7371302200734327, -1.7714116736680978, -1.7790352333136765, -2.146865613013682, -1.8373855632456082, -2.3514306938405203, -1.7876022041364965, -1.6769036021321646, -1.7913043358296363, -1.96052702665569, -1.8006800588839589, -1.6072771962532382, -1.5374934043585324, -1.668228082340333, -2.0801027052620737, -1.36959051263904, -1.331568916560022]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.152997130269677, -2.1518278157520014, -2.2645210115205705, -2.7613497571960317, -2.461206357733215, -2.74196350981563, -2.5170238223696417, -1.9492653653771597, -2.342981633800035, -2.3889898430564678, -2.598664182341493, -1.8093282514138043, -1.785485853257645, -1.9375340615247212, -2.6289027717432893, -1.36959051263904, -1.331568916560022]}}