{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:39.736241", "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": "2014-Jan-28_to_2014-Jan-31_153.5_-7.0"}, "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": 2014010002676}, "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 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 31 2014"}, "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": 101257.84650835105}, "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", "Solomon Islands"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Equatorial.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Oceania"]}, "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": ["Solomon Sea", "South Pacific Ocean"]}, "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": -7.0}, "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": 153.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "153.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 152.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 157.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -4.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-01-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[152.25, -6.5], [152.47, -5.97], [153.0, -5.75], [153.25, -5.85], [153.5, -5.75], [153.75, -5.85], [153.82, -5.82], [153.85, -5.75], [153.75, -5.5], [153.97, -4.97], [154.32, -4.82], [154.47, -4.47], [155.0, -4.25], [155.53, -4.47], [155.68, -4.82], [156.03, -4.97], [156.25, -5.5], [156.13, -5.8], [156.53, -5.97], [156.68, -6.32], [157.03, -6.47], [157.18, -6.82], [157.53, -6.97], [157.75, -7.5], [157.65, -7.75], [157.75, -8.0], [157.53, -8.53], [157.0, -8.75], [156.75, -8.65], [156.5, -8.75], [156.25, -8.65], [156.0, -8.75], [155.75, -8.65], [155.5, -8.75], [155.25, -8.65], [155.0, -8.75], [154.47, -8.53], [154.32, -8.18], [154.25, -8.15], [154.0, -8.25], [153.75, -8.15], [153.5, -8.25], [152.97, -8.03], [152.75, -7.5], [152.85, -7.25], [152.82, -7.18], [152.47, -7.03], [152.25, -6.5]]]]}, "2014-01-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[152.35, -5.75], [152.25, -5.5], [152.47, -4.97], [153.0, -4.75], [153.53, -4.97], [153.75, -5.5], [153.97, -4.97], [154.32, -4.82], [154.47, -4.47], [155.0, -4.25], [155.53, -4.47], [155.68, -4.82], [156.03, -4.97], [156.25, -5.5], [156.13, -5.8], [156.53, -5.97], [156.68, -6.32], [157.03, -6.47], [157.18, -6.82], [157.53, -6.97], [157.75, -7.5], [157.65, -7.75], [157.75, -8.0], [157.53, -8.53], [157.0, -8.75], [156.75, -8.65], [156.5, -8.75], [156.25, -8.65], [156.0, -8.75], [155.75, -8.65], [155.5, -8.75], [155.25, -8.65], [155.0, -8.75], [154.47, -8.53], [154.32, -8.18], [154.25, -8.15], [154.0, -8.25], [153.75, -8.15], [153.5, -8.25], [152.97, -8.03], [152.75, -7.5], [152.85, -7.25], [152.82, -7.18], [152.47, -7.03], [152.25, -6.5], [152.35, -6.25], [152.25, -6.0], [152.35, -5.75]], [[153.65, -5.75], [153.68, -5.82], [153.75, -5.85], [153.82, -5.82], [153.85, -5.75], [153.75, -5.5], [153.65, -5.75]]]]}, "2014-01-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[152.35, -5.75], [152.25, -5.5], [152.47, -4.97], [153.0, -4.75], [153.53, -4.97], [153.75, -5.5], [153.97, -4.97], [154.32, -4.82], [154.47, -4.47], [155.0, -4.25], [155.53, -4.47], [155.68, -4.82], [156.03, -4.97], [156.25, -5.5], [156.13, -5.8], [156.53, -5.97], [156.68, -6.32], [157.03, -6.47], [157.18, -6.82], [157.53, -6.97], [157.75, -7.5], [157.65, -7.75], [157.75, -8.0], [157.53, -8.53], [157.0, -8.75], [156.75, -8.65], [156.5, -8.75], [156.25, -8.65], [156.0, -8.75], [155.75, -8.65], [155.5, -8.75], [155.25, -8.65], [155.0, -8.75], [154.47, -8.53], [154.32, -8.18], [154.25, -8.15], [154.0, -8.25], [153.75, -8.15], [153.5, -8.25], [152.97, -8.03], [152.75, -7.5], [152.85, -7.25], [152.82, -7.18], [152.47, -7.03], [152.25, -6.5], [152.35, -6.25], [152.25, -6.0], [152.35, -5.75]], [[153.65, -5.75], [153.68, -5.82], [153.75, -5.85], [153.82, -5.82], [153.85, -5.75], [153.75, -5.5], [153.65, -5.75]]]]}, "2014-01-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[154.47, -6.53], [154.25, -6.0], [154.47, -5.47], [155.0, -5.25], [155.53, -5.47], [155.75, -6.0], [155.53, -6.53], [155.0, -6.75], [154.47, -6.53]]], [[[153.0, -4.75], [153.53, -4.97], [153.75, -5.5], [153.65, -5.75], [153.75, -6.0], [153.53, -6.53], [153.0, -6.75], [152.47, -6.53], [152.25, -6.0], [152.35, -5.75], [152.25, -5.5], [152.47, -4.97], [153.0, -4.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.9686597530017593}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.252056450683962}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.56091687659483, 28.769852287677963, 28.44529611030265, 27.187453556301875]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.89700932859222, 29.63030576736935, 29.140415330930352, 28.816760209683878]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1578802927237972, 1.468905464218205, 1.1475887755137681, 0.9576233082810669]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5256366439791123, 1.9686597530017593, 1.5578422557021554, 0.9897255077068507]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8821283165930534, 2.41770988305124, 1.9018480137019456, 1.4151942914919842]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.650745996687001, 2.9586468873285448, 2.474421098182998, 1.5663609699828747]}}