{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:49:44.496597", "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-Feb-19_to_2012-Feb-22_143.5_-4.5"}, "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": 2012020002415}, "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": "February 19 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 22 2012"}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 55461.5399303726}, "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": ["Bismarck 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": -4.5}, "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": 143.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "143.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 142.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 145.25}, "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": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-02-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.75, -4.0], [141.97, -3.47], [142.5, -3.25], [143.0, -3.46], [143.5, -3.25], [144.0, -3.46], [144.5, -3.25], [145.03, -3.47], [145.25, -4.0], [145.13, -4.3], [145.53, -4.47], [145.75, -5.0], [145.53, -5.53], [145.0, -5.75], [144.75, -5.65], [144.5, -5.75], [143.97, -5.53], [143.82, -5.18], [143.75, -5.15], [143.63, -5.2], [143.75, -5.5], [143.53, -6.03], [143.0, -6.25], [142.75, -6.15], [142.5, -6.25], [141.97, -6.03], [141.75, -5.5], [141.97, -4.97], [142.38, -4.8], [142.32, -4.68], [141.97, -4.53], [141.75, -4.0]]]]}, "2012-02-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.97, -3.47], [142.5, -3.25], [142.75, -3.35], [143.0, -3.25], [143.25, -3.35], [143.5, -3.25], [143.75, -3.35], [144.0, -3.25], [144.25, -3.35], [144.5, -3.25], [144.75, -3.35], [145.0, -3.25], [145.53, -3.47], [145.75, -4.0], [145.65, -4.25], [145.75, -4.5], [145.65, -4.75], [145.75, -5.0], [145.53, -5.53], [145.0, -5.75], [144.75, -5.65], [144.5, -5.75], [144.25, -5.65], [144.0, -5.75], [143.75, -5.65], [143.68, -5.68], [143.53, -6.03], [143.0, -6.25], [142.75, -6.15], [142.5, -6.25], [141.97, -6.03], [141.75, -5.5], [141.96, -5.0], [141.75, -4.5], [141.85, -4.25], [141.75, -4.0], [141.97, -3.47]]]]}, "2012-02-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.97, -3.47], [142.5, -3.25], [142.75, -3.35], [143.0, -3.25], [143.25, -3.35], [143.5, -3.25], [143.75, -3.35], [144.0, -3.25], [144.25, -3.35], [144.5, -3.25], [144.75, -3.35], [145.0, -3.25], [145.53, -3.47], [145.75, -4.0], [145.65, -4.25], [145.75, -4.5], [145.65, -4.75], [145.75, -5.0], [145.53, -5.53], [145.0, -5.75], [144.75, -5.65], [144.5, -5.75], [144.25, -5.65], [144.0, -5.75], [143.75, -5.65], [143.68, -5.68], [143.53, -6.03], [143.0, -6.25], [142.75, -6.15], [142.5, -6.25], [141.97, -6.03], [141.75, -5.5], [141.96, -5.0], [141.75, -4.5], [141.85, -4.25], [141.75, -4.0], [141.97, -3.47]]]]}, "2012-02-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.97, -3.47], [142.5, -3.25], [142.75, -3.35], [143.0, -3.25], [143.25, -3.35], [143.5, -3.25], [143.75, -3.35], [144.0, -3.25], [144.25, -3.35], [144.5, -3.25], [144.75, -3.35], [145.0, -3.25], [145.53, -3.47], [145.75, -4.0], [145.65, -4.25], [145.75, -4.5], [145.65, -4.75], [145.75, -5.0], [145.53, -5.53], [145.0, -5.75], [144.75, -5.65], [144.5, -5.75], [144.25, -5.65], [144.0, -5.75], [143.75, -5.65], [143.5, -5.75], [142.97, -5.53], [142.82, -5.18], [142.75, -5.15], [142.5, -5.25], [141.97, -5.03], [141.75, -4.5], [141.85, -4.25], [141.75, -4.0], [141.97, -3.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.3442810971400263}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.4438188943246901}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.279399110367194, 25.906636303448693, 26.402970848087023, 27.26361508383866]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.014033375230042, 28.314683008598706, 29.228484062451457, 28.567594800488735]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1769685858170873, 1.2697330657872372, 1.743773188348816, 1.4689983134694344]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5366727218896585, 1.6813204702365283, 2.3442810971400263, 1.9456093274562818]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5018797274330016, 1.7218672889617943, 2.4205439134536615, 1.9679019174453594]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9320945010611654, 2.1196249194435945, 3.2102081601477925, 2.2732912180959537]}}