{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:55:57.916840", "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-Mar-11_to_2014-Mar-17_182.0_-18.5"}, "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": 2014030001708}, "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": "March 11 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 17 2014"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 132431.7600353581}, "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": ["Fiji"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Pacific-Ocean"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": ["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": -18.5}, "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": 182.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "182.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 177.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 184.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -19.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-178.53, -19.03], [-178.75, -18.5], [-178.53, -17.97], [-178.0, -17.75], [-177.75, -17.85], [-177.5, -17.75], [-177.25, -17.85], [-177.0, -17.75], [-176.47, -17.97], [-176.25, -18.5], [-176.47, -19.03], [-177.0, -19.25], [-177.25, -19.15], [-177.5, -19.25], [-177.75, -19.15], [-178.0, -19.25], [-178.53, -19.03]]]]}, "2014-03-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-178.53, -19.03], [-178.75, -18.5], [-178.53, -17.97], [-178.0, -17.75], [-177.75, -17.85], [-177.5, -17.75], [-177.25, -17.85], [-177.0, -17.75], [-176.47, -17.97], [-176.25, -18.5], [-176.47, -19.03], [-177.0, -19.25], [-177.25, -19.15], [-177.5, -19.25], [-177.75, -19.15], [-178.0, -19.25], [-178.53, -19.03]]]]}, "2014-03-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-178.53, -17.97], [-178.0, -17.75], [-177.75, -17.85], [-177.5, -17.75], [-177.25, -17.85], [-177.0, -17.75], [-176.47, -17.97], [-176.25, -18.5], [-176.47, -19.03], [-176.82, -19.18], [-176.97, -19.53], [-177.5, -19.75], [-178.03, -19.53], [-178.18, -19.18], [-178.53, -19.03], [-178.75, -18.5], [-178.53, -17.97]]], [[[177.97, -18.53], [177.75, -18.0], [177.97, -17.47], [178.5, -17.25], [179.03, -17.47], [179.25, -18.0], [179.03, -18.53], [178.5, -18.75], [177.97, -18.53]]]]}, "2014-03-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-178.03, -19.53], [-178.25, -19.0], [-178.03, -18.47], [-177.5, -18.25], [-176.97, -18.47], [-176.75, -19.0], [-176.97, -19.53], [-177.5, -19.75], [-178.03, -19.53]]], [[[177.97, -18.53], [177.75, -18.0], [177.97, -17.47], [178.5, -17.25], [179.03, -17.47], [179.25, -18.0], [179.03, -18.53], [178.5, -18.75], [177.97, -18.53]]]]}, "2014-03-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[177.75, -18.0], [177.97, -17.47], [178.5, -17.25], [178.75, -17.35], [178.82, -17.32], [178.97, -16.97], [179.32, -16.82], [179.47, -16.47], [179.82, -16.32], [179.85, -16.25], [179.75, -16.0], [179.97, -15.47], [180.0, -15.46], [180.0, -19.54], [179.5, -19.75], [179.25, -19.65], [179.0, -19.75], [178.75, -19.65], [178.5, -19.75], [178.25, -19.65], [178.0, -19.75], [177.47, -19.53], [177.25, -19.0], [177.47, -18.47], [177.82, -18.32], [177.85, -18.25], [177.75, -18.0]]], [[[-179.5, -15.25], [-179.25, -15.35], [-179.0, -15.25], [-178.75, -15.35], [-178.5, -15.25], [-177.97, -15.47], [-177.82, -15.82], [-177.47, -15.97], [-177.25, -16.5], [-177.35, -16.75], [-177.25, -17.0], [-177.35, -17.25], [-177.25, -17.5], [-177.35, -17.75], [-177.32, -17.82], [-177.25, -17.85], [-177.18, -17.82], [-177.03, -17.47], [-176.68, -17.32], [-176.53, -16.97], [-176.18, -16.82], [-176.03, -16.47], [-175.5, -16.25], [-174.97, -16.47], [-174.75, -17.0], [-174.97, -17.53], [-175.32, -17.68], [-175.35, -17.75], [-175.25, -18.0], [-175.47, -18.53], [-175.82, -18.68], [-175.97, -19.03], [-176.32, -19.18], [-176.47, -19.53], [-177.0, -19.75], [-177.25, -19.65], [-177.5, -19.75], [-177.75, -19.65], [-178.0, -19.75], [-178.53, -19.53], [-178.68, -19.18], [-178.75, -19.15], [-179.0, -19.25], [-179.5, -19.04], [-179.82, -19.18], [-179.97, -19.53], [-180.0, -19.54], [-180.0, -15.46], [-179.5, -15.25]]]]}, "2014-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[178.32, -17.82], [178.47, -17.47], [178.82, -17.32], [178.97, -16.97], [179.32, -16.82], [179.47, -16.47], [179.82, -16.32], [179.85, -16.25], [179.75, -16.0], [179.97, -15.47], [180.0, -15.46], [180.0, -19.54], [179.5, -19.75], [179.25, -19.65], [179.0, -19.75], [178.75, -19.65], [178.5, -19.75], [178.25, -19.65], [178.0, -19.75], [177.47, -19.53], [177.25, -19.0], [177.47, -18.47], [177.82, -18.32], [177.97, -17.97], [178.32, -17.82]]], [[[-179.5, -15.25], [-179.25, -15.35], [-179.0, -15.25], [-178.75, -15.35], [-178.5, -15.25], [-177.97, -15.47], [-177.82, -15.82], [-177.47, -15.97], [-177.25, -16.5], [-177.35, -16.75], [-177.25, -17.0], [-177.35, -17.25], [-177.25, -17.5], [-177.35, -17.75], [-177.32, -17.82], [-177.25, -17.85], [-177.18, -17.82], [-177.03, -17.47], [-176.68, -17.32], [-176.53, -16.97], [-176.18, -16.82], [-176.03, -16.47], [-175.5, -16.25], [-174.97, -16.47], [-174.75, -17.0], [-174.97, -17.53], [-175.32, -17.68], [-175.35, -17.75], [-175.25, -18.0], [-175.47, -18.53], [-175.82, -18.68], [-175.97, -19.03], [-176.32, -19.18], [-176.47, -19.53], [-177.0, -19.75], [-177.25, -19.65], [-177.5, -19.75], [-177.75, -19.65], [-178.0, -19.75], [-178.53, -19.53], [-178.68, -19.18], [-178.75, -19.15], [-179.0, -19.25], [-179.5, -19.04], [-179.82, -19.18], [-179.97, -19.53], [-180.0, -19.54], [-180.0, -15.46], [-179.5, -15.25]]]]}, "2014-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[178.32, -17.82], [178.47, -17.47], [178.82, -17.32], [178.97, -16.97], [179.32, -16.82], [179.47, -16.47], [179.82, -16.32], [179.85, -16.25], [179.75, -16.0], [179.97, -15.47], [180.0, -15.46], [180.0, -19.54], [179.5, -19.75], [179.25, -19.65], [179.0, -19.75], [178.75, -19.65], [178.5, -19.75], [178.25, -19.65], [178.0, -19.75], [177.47, -19.53], [177.25, -19.0], [177.47, -18.47], [177.82, -18.32], [177.97, -17.97], [178.32, -17.82]]], [[[-179.5, -15.25], [-179.25, -15.35], [-179.0, -15.25], [-178.75, -15.35], [-178.5, -15.25], [-177.97, -15.47], [-177.82, -15.82], [-177.47, -15.97], [-177.25, -16.5], [-177.35, -16.75], [-177.25, -17.0], [-177.35, -17.25], [-177.25, -17.5], [-177.35, -17.75], [-177.32, -17.82], [-177.25, -17.85], [-177.18, -17.82], [-177.03, -17.47], [-176.68, -17.32], [-176.53, -16.97], [-176.18, -16.82], [-176.03, -16.47], [-175.5, -16.25], [-174.97, -16.47], [-174.75, -17.0], [-174.97, -17.53], [-175.32, -17.68], [-175.35, -17.75], [-175.25, -18.0], [-175.47, -18.53], [-175.82, -18.68], [-175.97, -19.03], [-176.32, -19.18], [-176.47, -19.53], [-177.0, -19.75], [-177.25, -19.65], [-177.5, -19.75], [-177.75, -19.65], [-178.0, -19.75], [-178.53, -19.53], [-178.68, -19.18], [-178.75, -19.15], [-179.0, -19.25], [-179.5, -19.04], [-179.82, -19.18], [-179.97, -19.53], [-180.0, -19.54], [-180.0, -15.46], [-179.5, -15.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5183457124856545}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0041844740572705}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.85555475411519, 27.819832154630262, 27.91873472418439, 27.47282512469053, 28.013816543252005, 28.336730755394854, 27.947287219404814]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.980934073875687, 27.86581124276273, 28.1001845162736, 27.693952518350386, 28.305064130966116, 28.57531009891767, 28.255832985457573]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8423908352725485, 0.7884666273526287, 1.0121947914829548, 0.7867310767232709, 0.89953977621484, 1.2487406167471058, 0.9013647192519133]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.9608954796070748, 0.8361826036607454, 1.2968295861164734, 0.8660014406191294, 1.2557615655150016, 1.5183457124856545, 1.0676752239243115]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5448264337891293, 1.4329221677630786, 1.7790863997586712, 1.3437361744981713, 1.573200114644474, 2.1572306060912236, 1.5547847203053458]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7535666606056601, 1.5143732555035263, 2.129541905744798, 1.4249632426227277, 2.107710377435834, 2.6207239187716893, 1.756231111210915]}}