{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:57.469516", "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": "2019-Jun-11_to_2019-Jun-15_186.0_-44.0"}, "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": 2019060001963}, "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": "June 11 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 15 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 51767.80082417775}, "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": ["New Zealand"]}, "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": -44.0}, "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": 186.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "186.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 182.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 186.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -44.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -41.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-177.53, -44.53], [-177.75, -44.0], [-177.53, -43.47], [-177.0, -43.25], [-176.47, -43.47], [-176.25, -44.0], [-176.47, -44.53], [-177.0, -44.75], [-177.53, -44.53]]], [[[-174.53, -44.53], [-174.75, -44.0], [-174.53, -43.47], [-174.0, -43.25], [-173.47, -43.47], [-173.25, -44.0], [-173.47, -44.53], [-174.0, -44.75], [-174.53, -44.53]]]]}, "2019-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-177.75, -44.0], [-177.53, -43.47], [-177.0, -43.25], [-176.75, -43.35], [-176.68, -43.32], [-176.65, -43.25], [-176.75, -43.0], [-176.53, -42.47], [-176.18, -42.32], [-176.03, -41.97], [-175.68, -41.82], [-175.65, -41.75], [-175.75, -41.5], [-175.53, -40.97], [-175.0, -40.75], [-174.75, -40.85], [-174.5, -40.75], [-173.97, -40.97], [-173.75, -41.5], [-173.85, -41.75], [-173.75, -42.0], [-173.85, -42.25], [-173.75, -42.5], [-173.93, -42.93], [-173.5, -42.75], [-172.97, -42.97], [-172.75, -43.5], [-172.97, -44.03], [-173.32, -44.18], [-173.47, -44.53], [-174.0, -44.75], [-174.25, -44.65], [-174.5, -44.75], [-174.75, -44.65], [-175.0, -44.75], [-175.25, -44.65], [-175.32, -44.68], [-175.47, -45.03], [-176.0, -45.25], [-176.25, -45.15], [-176.5, -45.25], [-177.03, -45.03], [-177.18, -44.68], [-177.53, -44.53], [-177.75, -44.0]]]]}, "2019-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-177.75, -44.0], [-177.53, -43.47], [-177.0, -43.25], [-176.75, -43.35], [-176.68, -43.32], [-176.65, -43.25], [-176.75, -43.0], [-176.53, -42.47], [-176.18, -42.32], [-176.03, -41.97], [-175.68, -41.82], [-175.65, -41.75], [-175.75, -41.5], [-175.53, -40.97], [-175.0, -40.75], [-174.75, -40.85], [-174.5, -40.75], [-173.97, -40.97], [-173.75, -41.5], [-173.85, -41.75], [-173.75, -42.0], [-173.85, -42.25], [-173.75, -42.5], [-173.93, -42.93], [-173.5, -42.75], [-172.97, -42.97], [-172.75, -43.5], [-172.97, -44.03], [-173.32, -44.18], [-173.47, -44.53], [-174.0, -44.75], [-174.25, -44.65], [-174.5, -44.75], [-174.75, -44.65], [-175.0, -44.75], [-175.25, -44.65], [-175.32, -44.68], [-175.47, -45.03], [-176.0, -45.25], [-176.25, -45.15], [-176.5, -45.25], [-177.03, -45.03], [-177.18, -44.68], [-177.53, -44.53], [-177.75, -44.0]]]]}, "2019-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-177.03, -43.47], [-176.68, -43.32], [-176.65, -43.25], [-176.75, -43.0], [-176.53, -42.47], [-176.18, -42.32], [-176.03, -41.97], [-175.68, -41.82], [-175.65, -41.75], [-175.75, -41.5], [-175.53, -40.97], [-175.0, -40.75], [-174.75, -40.85], [-174.5, -40.75], [-173.97, -40.97], [-173.75, -41.5], [-173.85, -41.75], [-173.75, -42.0], [-173.85, -42.25], [-173.75, -42.5], [-173.93, -42.93], [-173.5, -42.75], [-172.97, -42.97], [-172.75, -43.5], [-172.97, -44.03], [-173.32, -44.18], [-173.47, -44.53], [-174.0, -44.75], [-174.25, -44.65], [-174.5, -44.75], [-174.75, -44.65], [-175.0, -44.75], [-175.25, -44.65], [-175.32, -44.68], [-175.47, -45.03], [-176.0, -45.25], [-176.25, -45.15], [-176.5, -45.25], [-177.03, -45.03], [-177.25, -44.5], [-177.15, -44.25], [-177.25, -44.0], [-177.03, -43.47]]]]}, "2019-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-174.5, -42.75], [-174.0, -42.96], [-173.5, -42.75], [-172.97, -42.97], [-172.75, -43.5], [-172.97, -44.03], [-173.32, -44.18], [-173.47, -44.53], [-174.0, -44.75], [-174.25, -44.65], [-174.5, -44.75], [-174.75, -44.65], [-175.0, -44.75], [-175.53, -44.53], [-175.75, -44.0], [-175.53, -43.47], [-175.18, -43.32], [-175.03, -42.97], [-174.5, -42.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6147299710718244}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.178162230379625}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [13.08141676432274, 13.908654142014427, 13.636877594559394, 13.705244334908286, 13.503743481082665]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [13.169526062435466, 14.821097901141343, 14.544479548630818, 14.711065083045753, 13.725420163818114]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.0018261504422696, 2.3238077257230354, 2.0989919471575766, 2.1179047821392385, 2.2080434588540014]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.127871390571215, 2.6147299710718244, 2.2815284825156255, 2.3980789109382386, 2.3405825492483814]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2362369918278966, 1.4591215597174068, 1.3138029467910137, 1.3632299545363582, 1.447496089937908]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2884234393457124, 1.6618698835917611, 1.3575039055044233, 1.553512918846181, 1.5239474338027947]}}