{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:35.336593", "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-Jan-28_to_2011-Feb-01_127.5_-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": 2011010001394}, "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": "January 28 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 01 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": 70303.95457186812}, "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": ["Timor-Leste"]}, "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", "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": -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": 127.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "127.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 125.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 129.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -10.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -7.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.25, -9.5], [125.47, -8.97], [125.82, -8.82], [125.96, -8.5], [125.75, -8.0], [125.97, -7.47], [126.5, -7.25], [126.75, -7.35], [127.0, -7.25], [127.25, -7.35], [127.32, -7.32], [127.47, -6.97], [128.0, -6.75], [128.25, -6.85], [128.5, -6.75], [128.75, -6.85], [129.0, -6.75], [129.25, -6.85], [129.5, -6.75], [130.03, -6.97], [130.25, -7.5], [130.03, -8.03], [129.68, -8.18], [129.53, -8.53], [129.18, -8.68], [129.03, -9.03], [128.68, -9.18], [128.53, -9.53], [128.18, -9.68], [128.03, -10.03], [127.5, -10.25], [127.25, -10.15], [127.18, -10.18], [127.03, -10.53], [126.5, -10.75], [125.97, -10.53], [125.82, -10.18], [125.47, -10.03], [125.25, -9.5]]]]}, "2011-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.25, -9.5], [125.47, -8.97], [125.82, -8.82], [125.96, -8.5], [125.75, -8.0], [125.97, -7.47], [126.5, -7.25], [126.75, -7.35], [127.0, -7.25], [127.25, -7.35], [127.32, -7.32], [127.47, -6.97], [128.0, -6.75], [128.25, -6.85], [128.5, -6.75], [128.75, -6.85], [129.0, -6.75], [129.25, -6.85], [129.5, -6.75], [130.03, -6.97], [130.25, -7.5], [130.03, -8.03], [129.68, -8.18], [129.53, -8.53], [129.18, -8.68], [129.03, -9.03], [128.68, -9.18], [128.53, -9.53], [128.18, -9.68], [128.03, -10.03], [127.5, -10.25], [127.25, -10.15], [127.18, -10.18], [127.03, -10.53], [126.5, -10.75], [125.97, -10.53], [125.82, -10.18], [125.47, -10.03], [125.25, -9.5]]]]}, "2011-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.25, -9.5], [125.47, -8.97], [125.82, -8.82], [125.96, -8.5], [125.75, -8.0], [125.97, -7.47], [126.5, -7.25], [126.75, -7.35], [127.0, -7.25], [127.25, -7.35], [127.32, -7.32], [127.47, -6.97], [128.0, -6.75], [128.25, -6.85], [128.5, -6.75], [128.75, -6.85], [129.0, -6.75], [129.25, -6.85], [129.5, -6.75], [130.03, -6.97], [130.25, -7.5], [130.03, -8.03], [129.68, -8.18], [129.53, -8.53], [129.18, -8.68], [129.03, -9.03], [128.68, -9.18], [128.53, -9.53], [128.18, -9.68], [128.03, -10.03], [127.5, -10.25], [127.25, -10.15], [127.18, -10.18], [127.03, -10.53], [126.5, -10.75], [125.97, -10.53], [125.82, -10.18], [125.47, -10.03], [125.25, -9.5]]]]}, "2011-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, -8.0], [126.47, -7.47], [127.0, -7.25], [127.53, -7.47], [127.68, -7.82], [128.03, -7.97], [128.25, -8.5], [128.03, -9.03], [127.5, -9.25], [126.97, -9.03], [126.82, -8.68], [126.47, -8.53], [126.25, -8.0]]]]}, "2011-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.25, -8.0], [126.47, -7.47], [127.0, -7.25], [127.53, -7.47], [127.68, -7.82], [128.03, -7.97], [128.25, -8.5], [128.03, -9.03], [127.5, -9.25], [126.97, -9.03], [126.82, -8.68], [126.47, -8.53], [126.25, -8.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -1.9885893672145585}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -1.1525276633800108}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.11003833487564, 26.634002265927904, 26.706566168945017, 26.921945090162467, 26.768940651817616]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.13356896665124, 24.86939982796588, 25.189788183762005, 26.9185121149942, 26.692677857862748]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.5813851482535621, -1.024881434946619, -0.9203640703461938, -0.6805857650359997, -0.830421432551077]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.9885893672145585, -1.3825850742392163, -1.2460671501279421, -0.7665453279562371, -0.8377191968606894]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-2.905489941850659, -1.8774186055175075, -1.666218634471138, -1.3606301227256155, -1.7397260231811036]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-3.498461095959871, -2.2300165906860006, -2.1722293160865562, -1.3962899674363254, -1.8895377602138446]}}