{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:20:49.920609", "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": "2019-Nov-08_to_2019-Nov-13_143.0_-7.5"}, "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": 2019110000249}, "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 08 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 13 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 67401.1779711082}, "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": ["Papua New Guinea"]}, "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": ["Coral 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": -7.5}, "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": 143.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "143.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 141.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 146.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-11-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.25, -7.5], [142.47, -6.97], [143.0, -6.75], [143.3, -6.87], [143.47, -6.47], [144.0, -6.25], [144.25, -6.35], [144.5, -6.25], [144.75, -6.35], [145.0, -6.25], [145.53, -6.47], [145.75, -7.0], [145.65, -7.25], [145.75, -7.5], [145.53, -8.03], [145.18, -8.18], [145.03, -8.53], [144.5, -8.75], [144.25, -8.65], [144.0, -8.75], [143.75, -8.65], [143.5, -8.75], [142.97, -8.53], [142.82, -8.18], [142.47, -8.03], [142.25, -7.5]]]]}, "2019-11-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.25, -7.5], [142.47, -6.97], [143.0, -6.75], [143.3, -6.87], [143.35, -6.75], [143.25, -6.5], [143.47, -5.97], [144.0, -5.75], [144.53, -5.97], [144.68, -6.32], [144.75, -6.35], [145.0, -6.25], [145.53, -6.47], [145.75, -7.0], [145.65, -7.25], [145.75, -7.5], [145.65, -7.75], [145.68, -7.82], [145.75, -7.85], [146.0, -7.75], [146.53, -7.97], [146.75, -8.5], [146.53, -9.03], [146.0, -9.25], [145.75, -9.15], [145.5, -9.25], [145.25, -9.15], [145.0, -9.25], [144.47, -9.03], [144.32, -8.68], [144.25, -8.65], [144.0, -8.75], [143.75, -8.65], [143.5, -8.75], [142.97, -8.53], [142.82, -8.18], [142.47, -8.03], [142.25, -7.5]]]]}, "2019-11-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.25, -7.5], [142.47, -6.97], [143.0, -6.75], [143.3, -6.87], [143.35, -6.75], [143.25, -6.5], [143.47, -5.97], [144.0, -5.75], [144.53, -5.97], [144.68, -6.32], [144.75, -6.35], [145.0, -6.25], [145.53, -6.47], [145.75, -7.0], [145.65, -7.25], [145.75, -7.5], [145.65, -7.75], [145.68, -7.82], [145.75, -7.85], [146.0, -7.75], [146.53, -7.97], [146.75, -8.5], [146.53, -9.03], [146.0, -9.25], [145.75, -9.15], [145.5, -9.25], [145.25, -9.15], [145.0, -9.25], [144.47, -9.03], [144.32, -8.68], [144.25, -8.65], [144.0, -8.75], [143.75, -8.65], [143.5, -8.75], [142.97, -8.53], [142.82, -8.18], [142.47, -8.03], [142.25, -7.5]]]]}, "2019-11-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.47, -6.97], [141.82, -6.82], [141.97, -6.47], [142.5, -6.25], [142.75, -6.35], [143.0, -6.25], [143.3, -6.37], [143.47, 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entire duration", "value": -1.2510502031959638}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.64652840474139, 24.230028991196832, 24.656154603516484, 24.461089513134482, 25.346975230682176, 25.312572657829662]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.960497169342773, 17.137683112772265, 17.275102896165038, 17.29186760171757, 23.81263953225772, 24.167301958435417]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-1.2094468043346056, -1.3253055298289584, -0.9415840840687305, -1.429546536443565, -1.2420607930733685, -1.2537333639902726]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-1.922057405448129, -2.3985368035407646, -1.3641535302274406, -2.0987255216256244, -1.5992944350573453, -1.6081791636722187]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.7226908005877775, -2.1002598212106776, -1.524190670014089, -1.9174096359900876, -1.4959382054348034, -1.449223768284401]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.1130828155720955, -3.0405361839517933, -1.847538483902453, -2.3516970959111574, -1.8324867746495987, -1.5889060690195569]}}