{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:02.904871", "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": "2020-May-09_to_2020-May-14_148.5_-7.5"}, "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": 2020050001508}, "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": "May 09 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 14 2020"}, "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": 82575.25987509216}, "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": ["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": -7.5}, "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": 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": 152.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -9.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -6.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[152.5, -8.75], [153.03, -8.97], [153.25, -9.5], [153.03, -10.03], [152.5, -10.25], [151.97, -10.03], [151.75, -9.5], [151.97, -8.97], [152.5, -8.75]]]]}, "2020-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[152.5, -8.75], [153.03, -8.97], [153.25, -9.5], [153.03, -10.03], [152.5, -10.25], [151.97, -10.03], [151.75, -9.5], [151.97, -8.97], [152.5, -8.75]]]]}, "2020-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.0, -7.75], [150.53, -7.97], [150.68, -8.32], [150.75, -8.35], [151.0, -8.25], [151.25, -8.35], [151.5, -8.25], [151.75, -8.35], [152.0, -8.25], [152.25, -8.35], [152.5, -8.25], [153.03, -8.47], [153.25, -9.0], [153.15, -9.25], [153.25, -9.5], [153.03, -10.03], [152.5, -10.25], [152.25, -10.15], [152.0, -10.25], [151.47, -10.03], [151.32, -9.68], [151.25, -9.65], [151.0, -9.75], [150.75, -9.65], [150.5, -9.75], [150.25, -9.65], [150.0, -9.75], [149.75, -9.65], [149.5, -9.75], [148.97, -9.53], [148.75, -9.0], [148.97, -8.47], [149.32, -8.32], [149.47, -7.97], [150.0, -7.75]]]]}, "2020-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.85, -7.25], [147.75, -7.0], [147.97, -6.47], [148.5, -6.25], [148.75, -6.35], [149.0, -6.25], [149.25, -6.35], [149.5, -6.25], [150.03, -6.47], [150.25, -7.0], [150.15, -7.25], [150.18, -7.32], [150.25, -7.35], [150.5, -7.25], [151.0, -7.46], [151.5, -7.25], [152.03, -7.47], [152.25, -8.0], [152.15, -8.25], [152.18, -8.32], [152.25, -8.35], [152.5, -8.25], [153.03, -8.47], [153.25, -9.0], [153.03, -9.53], [152.68, -9.68], [152.53, -10.03], [152.0, -10.25], [151.47, -10.03], [151.32, -9.68], [151.25, -9.65], [151.0, -9.75], [150.75, -9.65], [150.5, -9.75], [150.25, -9.65], [150.0, -9.75], [149.75, -9.65], [149.5, -9.75], [148.97, -9.53], [148.82, -9.18], [148.47, -9.03], [148.32, -8.68], [147.97, -8.53], [147.75, -8.0], [147.85, -7.75], [147.75, -7.5], [147.85, -7.25]]]]}, "2020-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.85, -7.25], [147.75, -7.0], [147.97, -6.47], [148.5, -6.25], [148.75, -6.35], [149.0, -6.25], [149.25, -6.35], [149.5, -6.25], [150.03, -6.47], [150.25, -7.0], [150.15, -7.25], [150.18, -7.32], [150.25, -7.35], [150.5, -7.25], [151.0, -7.46], [151.5, -7.25], [152.03, -7.47], [152.25, -8.0], [152.15, -8.25], [152.18, -8.32], [152.25, -8.35], [152.5, -8.25], [153.03, -8.47], [153.25, -9.0], [153.03, -9.53], [152.68, -9.68], [152.53, -10.03], [152.0, -10.25], [151.47, -10.03], [151.32, -9.68], [151.25, -9.65], [151.0, -9.75], [150.75, -9.65], [150.5, -9.75], [150.25, -9.65], [150.0, -9.75], [149.75, -9.65], [149.5, -9.75], [148.97, -9.53], [148.82, -9.18], [148.47, -9.03], [148.32, -8.68], [147.97, -8.53], [147.75, -8.0], [147.85, -7.75], [147.75, -7.5], [147.85, -7.25]]]]}, "2020-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.85, -7.25], [147.75, -7.0], [147.97, -6.47], [148.5, -6.25], [148.75, -6.35], [149.0, -6.25], [149.25, -6.35], [149.5, -6.25], [150.03, -6.47], [150.25, -7.0], [150.15, -7.25], [150.18, -7.32], [150.25, -7.35], [150.5, -7.25], [151.0, -7.46], [151.5, -7.25], [152.03, -7.47], [152.25, -8.0], [152.15, -8.25], [152.25, -8.5], [152.15, -8.75], [152.25, -9.0], [152.03, -9.53], [151.5, -9.75], [151.25, -9.65], [151.0, -9.75], [150.75, -9.65], [150.5, -9.75], [150.25, -9.65], [150.0, -9.75], [149.75, -9.65], [149.5, -9.75], [148.97, -9.53], [148.82, -9.18], [148.47, -9.03], [148.32, -8.68], [147.97, -8.53], [147.75, -8.0], [147.85, -7.75], [147.75, -7.5], [147.85, -7.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5151108180115216}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.0032310698441411}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.862813200827475, 27.772796038348133, 27.702120824432768, 27.90598531152824, 28.026307248506612, 27.925260267532053]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.862813200827475, 27.772796038348133, 28.00699721238135, 28.380294471393597, 28.43524407840283, 28.4414278660862]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.889263840702597, 0.8043384378299265, 0.8166814666425068, 0.9833324545837653, 1.104041427607329, 1.0064767475875753]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.889263840702597, 0.8043384378299265, 0.9392457004839798, 1.3689108526870655, 1.4758387905715722, 1.5151108180115216]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.691125148757169, 1.544073658550329, 1.6038500727035303, 1.866896879146823, 2.0932501242393724, 1.9153452260903363]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.691125148757169, 1.544073658550329, 1.8864114066779942, 2.553388987042793, 2.752485229302421, 2.806068990449393]}}