{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:48.842689", "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-Jul-02_to_2013-Jul-05_106.5_-6.0"}, "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": 2013070000265}, "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": "July 02 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 05 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 104624.5822692088}, "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": ["Java 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": -6.0}, "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": 106.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 105.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 109.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -6.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-07-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.25, -5.0], [106.35, -4.75], [106.25, -4.5], [106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25], [107.75, -3.35], [108.0, -3.25], [108.53, -3.47], [108.68, -3.82], [108.75, -3.85], [109.0, -3.75], [109.25, -3.85], [109.5, -3.75], [110.03, -3.97], [110.25, -4.5], [110.15, -4.75], [110.25, -5.0], [110.15, -5.25], [110.25, -5.5], [110.03, -6.03], [109.68, -6.18], [109.53, -6.53], [109.18, -6.68], [109.03, -7.03], [108.5, -7.25], [107.97, -7.03], [107.82, -6.68], [107.75, -6.65], [107.5, -6.75], [107.25, -6.65], [107.0, -6.75], [106.75, -6.65], [106.5, -6.75], [105.97, -6.53], [105.75, -6.0], [105.97, -5.47], [106.32, -5.32], [106.35, -5.25], [106.25, -5.0]]]]}, "2013-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.97, -4.47], [105.5, -4.25], [106.03, -4.47], [106.25, -5.0], [106.35, -4.75], [106.25, -4.5], [106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25], [107.75, -3.35], [108.0, -3.25], [108.53, -3.47], [108.68, -3.82], [108.75, -3.85], [109.0, -3.75], [109.25, -3.85], [109.5, -3.75], [110.03, -3.97], [110.25, -4.5], [110.15, -4.75], [110.25, -5.0], [110.15, -5.25], [110.25, -5.5], [110.03, -6.03], [109.68, -6.18], [109.53, -6.53], [109.18, -6.68], [109.03, -7.03], [108.5, -7.25], [108.25, -7.15], [108.0, -7.25], [107.75, -7.15], [107.5, -7.25], [107.25, -7.15], [107.0, -7.25], [106.75, -7.15], [106.5, -7.25], [105.97, -7.03], [105.82, -6.68], [105.47, -6.53], [105.32, -6.18], [104.97, -6.03], [104.75, -5.5], [104.85, -5.25], [104.75, -5.0], [104.97, -4.47]], [[106.15, -5.25], [106.18, -5.32], [106.25, -5.35], [106.32, -5.32], [106.35, -5.25], [106.25, -5.0], [106.15, -5.25]]]]}, "2013-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.97, -4.47], [105.5, -4.25], [106.03, -4.47], [106.25, -5.0], [106.35, -4.75], [106.25, -4.5], [106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25], [107.75, -3.35], [108.0, -3.25], [108.53, -3.47], [108.68, -3.82], [108.75, -3.85], [109.0, -3.75], [109.25, -3.85], [109.5, -3.75], [110.03, -3.97], [110.25, -4.5], [110.15, -4.75], [110.25, -5.0], [110.15, -5.25], [110.25, -5.5], [110.03, -6.03], [109.68, -6.18], [109.53, -6.53], [109.18, -6.68], [109.03, -7.03], [108.5, -7.25], [108.25, -7.15], [108.0, -7.25], [107.75, -7.15], [107.5, -7.25], [107.25, -7.15], [107.0, -7.25], [106.75, -7.15], [106.5, -7.25], [105.97, -7.03], [105.82, -6.68], [105.47, -6.53], [105.32, -6.18], [104.97, -6.03], [104.75, -5.5], [104.85, -5.25], [104.75, -5.0], [104.97, -4.47]], [[106.15, -5.25], [106.18, -5.32], [106.25, -5.35], [106.32, -5.32], [106.35, -5.25], [106.25, -5.0], [106.15, -5.25]]]]}, "2013-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.97, -4.47], [105.5, -4.25], [106.03, -4.47], [106.25, -5.0], [106.35, -4.75], [106.25, -4.5], [106.47, -3.97], [106.82, -3.82], [106.97, -3.47], [107.5, -3.25], [108.03, -3.47], [108.18, -3.82], [108.25, -3.85], [108.5, -3.75], [108.75, -3.85], [109.0, -3.75], [109.25, -3.85], [109.5, -3.75], [110.03, -3.97], [110.25, 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25.718738453981302, 25.683973731200865]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.11286994721189, 23.918424804385836, 23.328006568368323, 23.164472553899202]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.006914025972336, -1.1695630379325854, -1.3907382619333026, -1.3535372488585418]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.198610011104165, -1.5046741939335675, -2.2675888454126607, -2.1416922748315983]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7585161917871863, -1.9359823235318505, -2.300763659889889, -2.2296142940518995]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.227014398946344, -2.6642345341745646, -3.4269951969254326, -3.2304632777066793]}}