{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:31.391516", "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": "2017-Nov-13_to_2017-Nov-18_148.5_-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": 2017110001923}, "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 13 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 18 2017"}, "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": "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": 61392.587583053944}, "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": ["Equatorial.Pacific-Ocean", "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": ["Solomon 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": 148.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "148.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 148.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 152.25}, "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": -5.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-11-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[152.0, -5.25], [152.53, -5.47], [152.75, -6.0], [152.53, -6.53], [152.0, -6.75], [151.47, -6.53], [151.25, -6.0], [151.47, -5.47], [152.0, -5.25]]]]}, "2017-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.0, -5.25], [151.25, -5.35], [151.5, -5.25], [151.75, -5.35], [152.0, -5.25], [152.53, -5.47], [152.75, -6.0], [152.54, -6.5], [152.75, -7.0], [152.53, -7.53], [152.0, -7.75], [151.47, -7.53], [151.32, -7.18], [151.25, -7.15], [151.0, -7.25], [150.47, -7.03], [150.25, -6.5], [150.35, -6.25], [150.25, -6.0], [150.47, -5.47], [151.0, -5.25]]], [[[147.97, -6.53], [147.75, -6.0], [147.97, -5.47], [148.5, -5.25], [149.03, -5.47], [149.25, -6.0], [149.03, -6.53], [148.5, -6.75], [147.97, -6.53]]]]}, "2017-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.25, -5.35], [151.5, -5.25], [151.75, -5.35], [152.0, -5.25], [152.53, -5.47], [152.75, -6.0], [152.54, -6.5], [152.75, -7.0], [152.53, -7.53], [152.0, -7.75], [151.47, -7.53], [151.32, -7.18], [151.25, -7.15], [151.0, -7.25], [150.75, -7.15], [150.5, -7.25], [149.97, -7.03], [149.75, -6.5], [149.97, -5.97], [150.32, -5.82], [150.47, -5.47], [151.0, -5.25], [151.25, -5.35]]], [[[148.5, -5.25], [148.75, -5.35], [149.0, -5.25], [149.53, -5.47], [149.75, -6.0], [149.53, -6.53], [149.18, -6.68], [149.03, -7.03], [148.5, -7.25], [147.97, -7.03], [147.75, -6.5], [147.85, -6.25], [147.75, -6.0], [147.97, -5.47], [148.5, -5.25]]]]}, "2017-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.97, -5.47], [148.5, -5.25], [148.75, -5.35], [149.0, -5.25], [149.53, -5.47], [149.68, -5.82], [149.75, -5.85], [150.0, -5.75], [150.25, -5.85], [150.32, -5.82], [150.47, -5.47], [151.0, -5.25], [151.25, -5.35], [151.5, -5.25], [151.75, -5.35], [152.0, -5.25], [152.53, -5.47], [152.75, -6.0], [152.54, -6.5], [152.75, -7.0], [152.53, -7.53], [152.0, -7.75], [151.47, -7.53], [151.32, -7.18], [151.25, -7.15], [151.0, -7.25], [150.75, -7.15], [150.68, -7.18], [150.53, -7.53], [150.18, -7.68], [150.15, -7.75], [150.25, -8.0], [150.03, -8.53], [149.5, -8.75], [149.25, -8.65], [149.0, -8.75], [148.47, -8.53], [148.25, -8.0], [148.35, -7.75], [148.25, -7.5], [148.35, -7.25], [148.32, -7.18], [147.97, -7.03], [147.75, -6.5], [147.85, -6.25], [147.75, -6.0], [147.97, -5.47]]]]}, "2017-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.97, -5.47], [148.5, -5.25], [148.75, -5.35], [149.0, -5.25], [149.53, -5.47], [149.68, -5.82], [149.75, -5.85], [150.0, -5.75], [150.25, -5.85], [150.32, -5.82], [150.47, -5.47], [151.0, -5.25], [151.25, -5.35], [151.5, -5.25], [152.03, -5.47], [152.25, -6.0], [152.03, -6.53], [151.5, -6.75], [151.25, -6.65], [151.18, -6.68], [151.03, -7.03], [150.68, -7.18], [150.53, -7.53], [150.18, -7.68], [150.15, -7.75], [150.25, -8.0], [150.03, -8.53], [149.5, -8.75], [149.25, -8.65], [149.0, -8.75], [148.47, -8.53], [148.25, -8.0], [148.35, -7.75], [148.25, -7.5], [148.35, -7.25], [148.32, -7.18], [147.97, -7.03], [147.75, -6.5], [147.85, -6.25], [147.75, -6.0], [147.97, -5.47]]]]}, "2017-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.97, -5.47], [148.5, -5.25], [148.75, -5.35], [149.0, -5.25], [149.53, -5.47], [149.68, -5.82], [149.75, -5.85], [150.0, -5.75], [150.25, -5.85], [150.32, -5.82], [150.47, -5.47], [151.0, -5.25], [151.25, -5.35], [151.5, -5.25], [152.03, -5.47], [152.25, -6.0], [152.03, -6.53], [151.5, -6.75], [151.25, -6.65], [151.18, -6.68], [151.03, -7.03], [150.68, -7.18], [150.53, -7.53], [150.18, -7.68], [150.15, -7.75], [150.25, -8.0], [150.03, -8.53], [149.5, -8.75], [149.25, -8.65], [149.0, -8.75], [148.47, -8.53], [148.25, -8.0], [148.35, -7.75], [148.25, -7.5], [148.35, -7.25], [148.32, -7.18], [147.97, -7.03], [147.75, -6.5], [147.85, -6.25], [147.75, -6.0], [147.97, -5.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.7934534217876035}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.9326561266423247}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.939705703145705, 27.912498841597937, 27.667235020396163, 27.733856081557974, 27.66854475685392, 27.718951735663552]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.939705703145705, 28.622718641033885, 28.3342516236807, 28.20646294497027, 28.115073889900827, 28.19216309282575]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.101529661841539, 1.164277172392758, 0.9716421700399224, 0.907139647437765, 0.8642916219375074, 0.8966611497635775]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.101529661841539, 1.7934534217876035, 1.219702872772075, 1.4096522929380626, 1.406847646130359, 1.138664100658616]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9153290878253426, 2.080551031985703, 1.7483985493745844, 1.6940604467805387, 1.7193475400386642, 1.7469772118598899]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9153290878253426, 3.082164313765199, 2.179208757791144, 2.5046403072533487, 2.5856279366063766, 2.2678251017080417]}}