{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:35.579105", "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": "2012-Oct-16_to_2012-Oct-20_120.0_1.0"}, "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": 2012100000648}, "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 16 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 20 2012"}, "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": 52520.08049049505}, "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": ["Celebes Sea", "Gulf of Tomini", "Makassar Strait"]}, "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": 1.0}, "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": 119.75}, "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": -0.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 3.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-10-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.5, 0.75], [121.03, 0.53], [121.25, 0.0], [121.03, -0.53], [120.5, -0.75], [119.97, -0.53], [119.75, 0.0], [119.97, 0.53], [120.5, 0.75]]]]}, "2012-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, 1.0], [119.47, 1.53], [120.0, 1.75], [120.53, 1.53], [120.68, 1.18], [120.75, 1.15], [121.0, 1.25], [121.53, 1.03], [121.75, 0.5], [121.53, -0.03], [121.18, -0.18], [121.03, -0.53], [120.5, -0.75], [119.97, -0.53], [119.75, 0.0], [119.85, 0.25], [119.82, 0.32], [119.47, 0.47], [119.25, 1.0]]]]}, "2012-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.47, 1.53], [120.0, 1.75], [120.25, 1.65], [120.32, 1.68], [120.35, 1.75], [120.25, 2.0], [120.47, 2.53], [120.88, 2.7], [120.75, 3.0], [120.97, 3.53], [121.5, 3.75], [121.75, 3.65], [122.0, 3.75], [122.53, 3.53], [122.68, 3.18], [122.75, 3.15], [123.0, 3.25], [123.53, 3.03], [123.75, 2.5], [123.65, 2.25], [123.75, 2.0], [123.53, 1.47], [123.0, 1.25], [122.5, 1.46], [122.18, 1.32], [122.03, 0.97], [121.63, 0.8], [121.75, 0.5], [121.53, -0.03], [121.18, -0.18], [121.03, -0.53], [120.5, -0.75], [119.97, -0.53], [119.82, -0.18], [119.47, -0.03], [119.25, 0.5], [119.35, 0.75], [119.25, 1.0], [119.47, 1.53]]]]}, "2012-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.47, 1.53], [120.0, 1.75], [120.25, 1.65], [120.32, 1.68], [120.35, 1.75], [120.25, 2.0], [120.47, 2.53], [120.88, 2.7], [120.75, 3.0], [120.97, 3.53], [121.5, 3.75], [121.75, 3.65], [122.0, 3.75], [122.53, 3.53], [122.68, 3.18], [122.75, 3.15], [123.0, 3.25], [123.53, 3.03], [123.75, 2.5], [123.65, 2.25], [123.75, 2.0], [123.53, 1.47], [123.0, 1.25], [122.5, 1.46], [122.18, 1.32], [122.03, 0.97], [121.63, 0.8], [121.75, 0.5], [121.53, -0.03], [121.18, -0.18], [121.03, -0.53], [120.5, -0.75], [119.97, -0.53], [119.82, -0.18], [119.47, -0.03], [119.25, 0.5], [119.35, 0.75], [119.25, 1.0], [119.47, 1.53]]]]}, "2012-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.47, 1.53], [120.0, 1.75], [120.25, 1.65], [120.32, 1.68], [120.35, 1.75], [120.25, 2.0], [120.47, 2.53], [120.88, 2.7], [120.75, 3.0], [120.97, 3.53], [121.5, 3.75], [121.75, 3.65], [122.0, 3.75], [122.53, 3.53], [122.68, 3.18], [122.75, 3.15], [123.0, 3.25], [123.53, 3.03], [123.75, 2.5], [123.65, 2.25], [123.75, 2.0], [123.53, 1.47], [123.0, 1.25], [122.5, 1.46], [122.18, 1.32], [122.03, 0.97], [121.5, 0.75], [121.25, 0.85], [121.18, 0.82], [121.03, 0.47], [120.68, 0.32], [120.53, -0.03], [120.0, -0.25], [119.47, -0.03], [119.25, 0.5], [119.35, 0.75], [119.25, 1.0], [119.47, 1.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.2981584199166036}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -0.9831188631406999}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.35763122093846, 25.430928519956694, 26.20346488832331, 26.188822457489664, 26.329694051795002]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.35763122093846, 24.2975700216943, 24.455244526154445, 24.49283821587511, 24.814902990725898]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.7811165362435304, -0.9548963824494905, -0.9688238912981767, -0.9794018640408908, -1.0274828456893894]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.7811165362435304, -1.0590207887490237, -1.2981584199166036, -1.2666638996291795, -1.1963869904647026]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.2293942449275261, -1.6390254612276507, -1.493520772886232, -1.5022381166614873, -1.599656459007349]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.2293942449275261, -1.7677702630296646, -1.8329825737965526, -1.8819963080883546, -2.1328318447539605]}}