{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:53.396065", "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-Nov-20_to_2013-Nov-24_99.5_8.5"}, "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": 2013110000905}, "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": "November 20 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 24 2013"}, "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": 70347.13182494599}, "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": ["Andaman or Burma Sea", "Gulf of Thailand", "Malacca 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": 8.5}, "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": 99.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "99.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 97.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 100.75}, "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": 9.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.35, 7.75], [98.25, 8.0], [98.35, 8.25], [98.25, 8.5], [98.47, 9.03], [98.82, 9.18], [98.97, 9.53], [99.5, 9.75], [100.03, 9.53], [100.18, 9.18], [100.53, 9.03], [100.75, 8.5], [100.65, 8.25], [100.75, 8.0], [100.53, 7.47], [100.18, 7.32], [100.15, 7.25], [100.25, 7.0], [100.15, 6.75], [100.25, 6.5], [100.15, 6.25], [100.25, 6.0], [100.03, 5.47], [99.5, 5.25], [98.97, 5.47], [98.75, 6.0], [98.85, 6.25], [98.82, 6.32], [98.47, 6.47], [98.25, 7.0], [98.35, 7.25], [98.25, 7.5], [98.35, 7.75]]]]}, "2013-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.85, 8.75], [97.75, 9.0], [97.85, 9.25], [97.75, 9.5], [97.97, 10.03], [98.5, 10.25], [98.75, 10.15], [99.0, 10.25], [99.25, 10.15], [99.5, 10.25], [100.03, 10.03], [100.18, 9.68], [100.53, 9.53], [100.68, 9.18], [101.03, 9.03], [101.25, 8.5], [101.03, 7.97], [100.68, 7.82], [100.53, 7.47], [100.18, 7.32], [100.15, 7.25], [100.25, 7.0], [100.15, 6.75], [100.25, 6.5], [100.15, 6.25], [100.25, 6.0], [100.03, 5.47], [99.5, 5.25], [98.97, 5.47], [98.75, 6.0], [98.85, 6.25], [98.82, 6.32], [98.47, 6.47], [98.25, 7.0], [98.35, 7.25], [98.32, 7.32], [97.97, 7.47], [97.75, 8.0], [97.85, 8.25], [97.75, 8.5], [97.85, 8.75]]]]}, "2013-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.25, 9.5], [97.47, 10.03], [98.0, 10.25], [98.25, 10.15], [98.5, 10.25], [98.75, 10.15], [99.0, 10.25], [99.25, 10.15], [99.5, 10.25], [100.03, 10.03], [100.18, 9.68], [100.53, 9.53], [100.68, 9.18], [101.03, 9.03], [101.25, 8.5], [101.03, 7.97], [100.68, 7.82], [100.53, 7.47], [100.18, 7.32], [100.15, 7.25], [100.25, 7.0], [100.15, 6.75], [100.25, 6.5], [100.15, 6.25], [100.25, 6.0], [100.03, 5.47], [99.5, 5.25], [98.97, 5.47], [98.75, 6.0], [98.85, 6.25], [98.82, 6.32], [98.47, 6.47], [98.25, 7.0], [98.35, 7.25], [98.32, 7.32], [97.97, 7.47], [97.75, 8.0], [97.85, 8.25], [97.75, 8.5], [97.85, 8.75], [97.82, 8.82], [97.47, 8.97], [97.25, 9.5]]]]}, "2013-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.25, 9.5], [97.47, 10.03], [98.0, 10.25], [98.25, 10.15], [98.5, 10.25], [98.75, 10.15], [99.0, 10.25], [99.25, 10.15], [99.5, 10.25], [100.03, 10.03], [100.18, 9.68], [100.53, 9.53], [100.68, 9.18], [101.03, 9.03], [101.25, 8.5], [101.03, 7.97], [100.5, 7.75], [100.25, 7.85], [100.0, 7.75], [99.75, 7.85], [99.63, 7.8], [99.68, 7.68], [100.03, 7.53], [100.25, 7.0], [100.15, 6.75], [100.25, 6.5], [100.15, 6.25], [100.25, 6.0], [100.03, 5.47], [99.5, 5.25], [98.97, 5.47], [98.75, 6.0], [98.85, 6.25], [98.82, 6.32], [98.47, 6.47], [98.25, 7.0], [98.35, 7.25], [98.32, 7.32], [97.97, 7.47], [97.75, 8.0], [97.85, 8.25], [97.75, 8.5], [97.85, 8.75], [97.82, 8.82], [97.47, 8.97], [97.25, 9.5]]]]}, "2013-11-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.25, 9.5], [97.47, 10.03], [98.0, 10.25], [98.53, 10.03], [98.68, 9.68], [99.03, 9.53], [99.25, 9.0], [99.03, 8.47], [98.5, 8.25], [97.97, 8.47], [97.82, 8.82], [97.47, 8.97], [97.25, 9.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -2.712259495967885}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.3640798231289655}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.032006316474565, 24.772905507631606, 24.87045068680999, 25.271339628692203, 25.63487688483235]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.664225389131445, 23.123816915212558, 23.270241182230336, 24.062924391024808, 24.7146949945531]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.4070732162926491, -1.5342829015345207, -1.4371548707706676, -1.0860813902667101, -0.874011752984643]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.5449641561337444, -2.712259495967885, -1.9981244570369086, -1.585642794066871, -1.0698477158458104]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.8440289947959059, -2.036511998561414, -1.9612792772690621, -1.5924972094713752, -1.3395711344963834]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.6782004925110634, -2.8711367092106617, -2.350955207661448, -1.9086186563113292, -1.348671591206775]}}