{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:10:15.209481", "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": "2018-Feb-09_to_2018-Feb-15_179.5_-16.0"}, "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": 2018020001645}, "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 09 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 15 2018"}, "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": 50394.950445569244}, "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": -16.0}, "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": 179.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "179.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 178.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 181.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -17.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -14.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-02-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[179.5, -14.75], [180.0, -14.96], [180.0, -16.04], [179.5, -16.25], [178.97, -16.03], [178.75, -15.5], [178.97, -14.97], [179.5, -14.75]]], [[[-179.97, -14.97], [-179.75, -15.5], [-179.97, -16.03], [-180.0, -16.04], [-180.0, -14.96], [-179.97, -14.97]]]]}, "2018-02-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[179.5, -14.75], [180.0, -14.96], [180.0, -16.04], [179.5, -16.25], [178.97, -16.03], [178.75, -15.5], [178.97, -14.97], [179.5, -14.75]]], [[[-179.97, -14.97], [-179.75, -15.5], [-179.97, -16.03], [-180.0, -16.04], [-180.0, -14.96], [-179.97, -14.97]]]]}, "2018-02-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[178.97, -14.97], [179.5, -14.75], [179.75, -14.85], [180.0, -14.75], [180.0, -16.54], [179.5, -16.75], [178.97, -16.53], [178.75, -16.0], [178.85, -15.75], [178.75, -15.5], [178.97, -14.97]]], [[[-179.75, -14.85], [-179.68, -14.82], [-179.53, -14.47], [-179.0, -14.25], [-178.47, -14.47], [-178.25, -15.0], [-178.47, -15.53], [-178.82, -15.68], [-178.97, -16.03], [-179.5, -16.25], [-179.75, -16.15], [-179.82, -16.18], [-179.97, -16.53], [-180.0, -16.54], [-180.0, -14.75], [-179.75, -14.85]]]]}, "2018-02-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[177.97, -18.03], [177.75, -17.5], [177.97, -16.97], [178.5, -16.75], [178.75, -16.85], [178.88, -16.8], [178.75, -16.5], [178.85, -16.25], [178.75, -16.0], [178.97, -15.47], [179.32, -15.32], [179.47, -14.97], [180.0, -14.75], [180.0, -17.75], [179.7, -17.62], [179.53, -18.03], [179.0, -18.25], [178.75, -18.15], [178.5, -18.25], [177.97, -18.03]]], [[[-179.75, -14.85], [-179.68, -14.82], [-179.53, -14.47], [-179.0, -14.25], [-178.47, -14.47], [-178.25, -15.0], [-178.47, -15.53], [-178.82, -15.68], [-178.85, -15.75], [-178.82, -15.82], [-178.47, -15.97], [-178.25, -16.5], [-178.47, -17.03], [-178.82, -17.18], [-178.97, -17.53], [-179.5, -17.75], [-179.75, -17.65], [-180.0, -17.75], [-180.0, -14.75], [-179.75, -14.85]]]]}, "2018-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[177.97, -18.03], [177.75, -17.5], [177.97, -16.97], [178.5, -16.75], [178.75, -16.85], [178.88, -16.8], [178.75, -16.5], [178.85, -16.25], [178.75, -16.0], [178.97, -15.47], [179.32, -15.32], [179.47, -14.97], [180.0, -14.75], [180.0, -18.25], [179.75, -18.15], [179.5, -18.25], [179.25, -18.15], [179.0, -18.25], [178.75, -18.15], [178.5, -18.25], [177.97, -18.03]]], [[[-179.75, -14.85], [-179.68, -14.82], [-179.53, -14.47], [-179.0, -14.25], [-178.47, -14.47], [-178.25, -15.0], [-178.47, -15.53], [-178.82, -15.68], [-178.85, -15.75], [-178.82, -15.82], [-178.47, -15.97], [-178.25, -16.5], [-178.47, -17.03], [-178.82, -17.18], [-178.97, -17.53], [-179.32, -17.68], [-179.47, -18.03], [-180.0, -18.25], [-180.0, -14.75], [-179.75, -14.85]]]]}, "2018-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[177.97, -18.03], [177.75, -17.5], [177.97, -16.97], [178.5, -16.75], [178.75, -16.85], [178.88, -16.8], [178.75, -16.5], [178.85, -16.25], [178.75, -16.0], [178.97, -15.47], [179.5, -15.25], [179.75, -15.35], [180.0, -15.25], [180.0, -18.25], [179.75, -18.15], [179.5, -18.25], [179.25, -18.15], [179.0, -18.25], [178.75, -18.15], [178.5, -18.25], [177.97, -18.03]]], [[[-179.75, -15.35], [-179.5, -15.25], [-178.97, -15.47], [-178.82, -15.82], [-178.47, -15.97], [-178.25, -16.5], [-178.47, -17.03], [-178.82, -17.18], [-178.97, -17.53], [-179.32, -17.68], [-179.47, -18.03], [-180.0, -18.25], [-180.0, -15.25], [-179.75, -15.35]]]]}, "2018-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[178.47, -18.03], [178.25, -17.5], [178.47, -16.97], [179.0, -16.75], [179.25, -16.85], [179.32, -16.82], [179.47, -16.47], [180.0, -16.25], [180.0, -18.25], [179.75, -18.15], [179.5, -18.25], [179.25, -18.15], [179.0, -18.25], [178.47, -18.03]]], [[[-179.47, -16.47], [-179.25, -17.0], [-179.35, -17.25], [-179.25, -17.5], [-179.47, -18.03], [-180.0, -18.25], [-180.0, -16.25], [-179.47, -16.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6130651831293221}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.1051915469003395}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.462885142860216, 28.09435220979293, 28.17969036728732, 28.015043016586787, 28.282145287343155, 28.17274668126055, 28.07078595435678]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.462885142860216, 28.09435220979293, 28.432640393834106, 28.284081384300464, 28.720098746362112, 28.57313857818673, 28.443432573001985]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2323613270041278, 0.8684074172824126, 0.9448102125754417, 0.9901507450664359, 1.2271906971046533, 1.1695896917674111, 1.0384240369684221]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2323613270041278, 0.8684074172824126, 1.2044539588760017, 1.6130651831293221, 1.4166546529588686, 1.491117820469242, 1.2123830480049946]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.8658832599054924, 1.3258932653160218, 1.4820645359870892, 1.4861505066348109, 1.8297808925046122, 1.7859433173039085, 1.653622861562344]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8658832599054924, 1.3258932653160218, 1.8861693030683162, 2.443331258380637, 2.098246226257337, 2.1063290920573152, 1.8814271034013614]}}